patents.google.com

CN111993721A - High-heat-preservation low-frequency sound-insulation composite glass - Google Patents

  • ️Fri Nov 27 2020

CN111993721A - High-heat-preservation low-frequency sound-insulation composite glass - Google Patents

High-heat-preservation low-frequency sound-insulation composite glass Download PDF

Info

Publication number
CN111993721A
CN111993721A CN202010888822.3A CN202010888822A CN111993721A CN 111993721 A CN111993721 A CN 111993721A CN 202010888822 A CN202010888822 A CN 202010888822A CN 111993721 A CN111993721 A CN 111993721A Authority
CN
China
Prior art keywords
glass
layer
composite
hollow cavity
thickness
Prior art date
2020-08-28
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010888822.3A
Other languages
Chinese (zh)
Inventor
董超
曾昱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mcc Real Estate Group Co ltd
Original Assignee
Mcc Real Estate Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
2020-08-28
Filing date
2020-08-28
Publication date
2020-11-27
2020-08-28 Application filed by Mcc Real Estate Group Co ltd filed Critical Mcc Real Estate Group Co ltd
2020-08-28 Priority to CN202010888822.3A priority Critical patent/CN111993721A/en
2020-11-27 Publication of CN111993721A publication Critical patent/CN111993721A/en
Status Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/22—Layered products comprising a layer of synthetic resin characterised by the use of special additives using plasticisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • B32B7/027—Thermal properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6707—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased acoustical insulation
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/249—Glazing, e.g. vacuum glazing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/22—Glazing, e.g. vaccum glazing

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The utility model discloses a high heat preservation low frequency sound insulation composite glass, includes seven layer structures, sets gradually from a left side to the right side and sets up to be first glass for the first layer, and the second floor is PVB sound insulation film, and the third layer is second glass, and the fourth layer is little cavity body layer, and the fifth layer is third glass, the big cavity body layer in sixth layer, and the seventh layer is fourth glass, above-mentioned seven layer structure parallel arrangement. Thereby enhancing the safety and meeting the strict energy-saving standard; meanwhile, the effect of isolating most of traffic low-frequency noise is achieved, and the configuration has strong engineering universality.

Description

High-heat-preservation low-frequency sound-insulation composite glass

Technical Field

The invention relates to high-heat-preservation low-frequency sound-insulation composite glass, and belongs to the technical field of building sound-insulation materials.

Background

Along with the continuous development of urbanization, residents living near airports, high-speed rails, expressways and the like are often influenced by day and night reciprocating traffic noise, the resident belongs to low-frequency noise, the living quality of the residents needs to be improved, professional sound insulation and noise reduction designs need to be carried out on the residential buildings, the sound insulation capability of the whole external enclosure structure is improved, and the traffic noise is reduced and transmitted into the daily indoor living environment. Compared with a wall body, the sound insulation performance of an external window of the building external enclosure is poorer, and the external window is a weak point for isolating traffic noise, and the hollow glass of the common external window is very weak for isolating low-frequency traffic noise.

The existing sound insulation glass, such as the chinese utility model patent with the publication number CN207920425U, discloses a sound and heat insulation hollow glass window, which comprises a window frame and a window body arranged in the window frame, wherein the window body comprises three layers of glass; the three layers of glass are sealed into a whole through sealant, and two closed cavities are formed between the three layers of glass; any two adjacent layers of glass are not parallel. However, any two adjacent layers of glass of the sound insulation glass are not parallel, so that the glass processing has directionality, the unconventional glass processing technology has complex process and low production efficiency, and meanwhile, the building facade has poor visual effect and disordered inverted image formation after the window is installed.

Another sound-proof glass, for example, chinese patent application publication No. CN110952887A, discloses a sound-proof glass, which comprises a glass substrate and a plurality of resonator units, wherein the glass substrate has a hollow cavity, and the plurality of resonator units are dispersed in the hollow cavity and form a phononic crystal with the glass substrate. However, the plurality of resonance units are added into the glass hollow cavity, and the resonance units are dispersed in the hollow cavity, so that the unconventional glass processing technology is complex in process and low in production efficiency, and meanwhile, after the window is installed, the indoor visual effect is not transparent, and the universality of the whole engineering is poor.

Another sound insulation glass, such as the chinese utility model patent of granted publication No. CN 206571357U, discloses a sound insulation vacuum glass, which comprises a vacuum glass layer, wherein the vacuum glass layer is composed of a first toughened glass and a second toughened glass, and a vacuum gap is formed between the first toughened glass and the second toughened glass; common plate glass is arranged outside the second tempered glass, and a hollow gap is formed between the common plate glass and the second tempered glass; a central connecting column is arranged at the center of the common plate glass and the second toughened glass and is used for the common plate glass and the second toughened glass; and a transparent sound absorption film is adhered to the inner side surface of the common plate glass. However, the middle connecting column is added into the glass hollow cavity, the hollow cavity is vacuumized, and the glass processing technology is unconventional, so that the technology is complex, the production efficiency is low, and meanwhile, after the window is installed, the indoor visual effect is not transparent enough, and the safety and the durability are poor, so that the universality of the whole engineering is poor.

The background technology shows that the traffic noise of residents living in the areas is an important pain point of daily life, systematic research on low-frequency sound insulation of doors and windows is lacked at present, mature products are not provided for solving the problem, and meanwhile, the single-hollow sound insulation glass hardly meets the requirements of heat preservation and heat insulation for severe cold and cold areas in the north, so that the improved high-heat-preservation low-frequency sound insulation composite glass has important practical significance.

Disclosure of Invention

The invention aims to provide high-heat-preservation low-frequency sound-insulation composite glass which can be produced and applied in engineering in batch, is transparent and attractive after being installed, overcomes the defects of the existing sound-insulation glass technology, meets the severe energy-saving specification in northern severe cold and cold areas, and has a strong sound-insulation effect.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a high heat preservation low frequency sound insulation composite glass, includes four layers of glass layers, this four layers of glass layer parallel arrangement is first glass respectively, second glass, third glass and fourth glass, set gradually the first layer from a left side to the right side and be first glass, the second layer is PVB sound insulation film, the third layer is second glass, the fourth layer is little cavity layer, the fifth layer is third glass, the big cavity layer in sixth layer, the seventh layer is fourth glass, above-mentioned seven layers of structure parallel arrangement, the first glass of first layer is through the PVB sound insulation film and the bonding of third layer second glass on second layer.

According to the composite glass, the small aluminum alloy division bars are further arranged between the second glass of the third layer and the third glass of the fifth layer and are arranged at the positions, close to the edges, of the second glass and the third glass, and the edges are sealed by the sealant, so that a closed small hollow cavity layer is formed.

Advantageously, the small hollow cavity layer is filled with inert gas argon gas, the filling proportion is more than 90%, and the arrangement can slow down the heat convection and heat conduction of the small hollow cavity layer, so that the heat conduction capacity between the second glass and the third glass is weakened.

According to the composite glass, the large aluminum alloy division bar is further arranged between the fifth layer of third glass and the seventh layer of fourth glass, the large aluminum alloy division bar is arranged at the position, close to the edge, of the third glass and the fourth glass, and the edge position is sealed by the sealant, so that a closed large-medium cavity layer is formed.

Advantageously, the large hollow cavity layer is filled with inert gas argon with a filling ratio of more than 90%, so that the thermal convection and the thermal conduction in the large

hollow cavity layer

8 can be slowed down, and the thermal conduction capacity between the second glass and the third glass can be weakened.

The composite glass according to the present invention, wherein the first glass and the second glass have the same thickness.

Advantageously, the first glass and the second glass have a thickness of between 3 and 5 mm.

The composite glass according to the invention, wherein the fourth glass is thicker than the third glass; and the third glass and the fourth glass are both thicker than the first glass and the second glass.

Advantageously, the third glass and the fourth glass have a thickness of 4-12 mm.

According to the composite glass, the thickness of the large hollow cavity layer is larger than that of the small hollow cavity layer.

Advantageously, the small hollow cavity layer of the fourth layer is preferably 8-10mm, especially 9mm thick; the thickness of the large and medium hollow cavity body layer of the sixth layer is preferably 20-30mm, especially 25 mm.

The composite glass provided by the invention is characterized in that the PVB sound-insulating film is a three-layer composite film.

Advantageously, the PVB sound-deadening sheet has a thickness of 1-2 mm.

The composite glass is characterized in that two outer layers of the three-layer composite film are formed by PVB resin, a plasticizer and an optional processing aid.

Advantageously, the plasticizer is chosen from dipropylene glycol dibenzoate.

The composite glass of the present invention comprises 30 to 40 wt% of a plasticizer based on the weight of the PVB resin.

The composite glass of the invention is characterized in that the interlayer of the three-layer composite film is composed of PVB resin and modified SiO2Aerogel and plasticizer and optionally processing aids.

The composite glass of the present invention comprises 30 to 40 wt% of a plasticizer based on the weight of the PVB resin.

The composite glass according to the present invention, wherein the modified SiO2The addition amount of the aerogel is 6-10 wt%.

Advantageously, the plasticizer is chosen from dipropylene glycol dibenzoate.

The composite glass according to the present invention, wherein the modified SiO2The preparation method of the aerogel comprises the following steps: mixing SiO2Soaking the aerogel in 20 wt% ethanol solution of (3,3, 3-trifluoropropyl) methyldimethoxysilane for 72 h; the resulting wet gel was washed 3 times with ethanol, followed by supercritical CO2Drying at 55 ℃ and 10Mpa to obtain the modified SiO2An aerogel.

The composite glass comprises an ultraviolet absorber, a free radical trapping agent, an infrared absorber, an antioxidant, a penetrating agent and a dispersing agent.

Advantageously, the content of said processing aid is well known to the person skilled in the art.

The composite glass is prepared by uniformly mixing and melting raw materials of two outer layers and a middle layer, extruding the raw materials through a composite distributor and casting the raw materials into a film.

The composite glass of the invention is characterized in that the thickness ratio of the middle layer to each outer layer of the three-layer composite film is 1.5-2.5: 1.

The invention has the beneficial effects that: the invention enhances the safety of the whole glass during use and meets the strict energy-saving standard; simultaneously, the effect of isolating most of traffic low-frequency noise is achieved, and the glass has strong engineering universality and has no difference with the conventional glass transparent effect after installation.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 shows a high thermal insulation low frequency sound insulation composite glass according to an embodiment of the present invention.

Description of reference numerals:

1-first glass, 2-PVB sound insulation film, 3-second glass, 4-small hollow cavity layer, 5-small aluminum alloy spacing strip, 6-sealant, 7-third glass, 8-large hollow cavity layer, 9-fourth glass, 10-large aluminum alloy spacing strip and 11-sealant.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to FIG. 1: the utility model provides a high heat preservation low frequency sound insulation composite glass, includes and sets gradually from a left side to the right side that the first layer is

first glass

1, and the second floor is PVB sound insulation film 2, and the third layer is

second glass

3, and the fourth layer is

little cavity layer

4, and the fifth layer is

third glass

7, and the sixth layer is

big cavity layer

6 in the middle of the cavity, and the seventh layer is

fourth glass

9.

The composite glass comprises four glass layers which are arranged in parallel and are respectively a

first glass

1, a

second glass

3, a

third glass

7 and a

fourth glass

9.

In a preferred embodiment, the four layers of glass are float glass.

The first layer of

first glass

1 is bonded to the third layer of

second glass

3 by a second layer of PVB sound barrier film 2.

The PVB sound-proof film 2 is a semitransparent film, has good adhesive force to glass, has the characteristics of transparency, heat resistance, cold resistance, high mechanical strength and the like, and can firmly adhere the first layer of

first glass

1 and the third layer of

second glass

3.

PVB sound insulation film 2 has the retardant effect to the sound wave, can effectual reduction low frequency noise conduction.

In the invention, the PVB sound-insulating film 2 is a three-layer composite film.

Wherein, two outer layers of the three-layer composite film are formed by PVB resin, plasticizer and optional processing aid.

Advantageously, the plasticizer is chosen from dipropylene glycol dibenzoate.

The plasticizer is added in an amount of 30 to 40 wt% based on the weight of the PVB resin.

The interlayer of the three-layer composite film is composed of PVB resin and modified SiO2Aerogel and plasticizer and optionally processing aids.

The plasticizer is added in an amount of 30 to 40 wt% based on the weight of the PVB resin.

Advantageously, the plasticizer is chosen from dipropylene glycol dibenzoate.

The modified SiO2The addition amount of the aerogel is 6-10 wt%.

In the present invention, the modified SiO2The preparation method of the aerogel comprises the following steps: mixing SiO2Soaking the aerogel in 20 wt% ethanol solution of (3,3, 3-trifluoropropyl) methyldimethoxysilane for 72 h; the resulting wet gel was washed 3 times with ethanol, followed by supercritical CO2Drying at 55 ℃ and 10Mpa to obtain the modified SiO2An aerogel.

In the invention, the three-layer composite film is formed by uniformly mixing and melting the raw materials of the two outer layers and the middle layer, extruding the mixture through a composite distributor and casting the mixture into a film.

Advantageously, the melting temperature is 125-.

Without wishing to be bound by any theory, the modified SiO2The aerogel improves the blocking effect of the PVB sound insulation film 2 on sound waves, and can effectively reduce low-frequency noise conduction.

Advantageously, the thickness ratio of the middle layer to each outer layer of the three-layer composite film is (1.5-2.5): 1.

A small

hollow cavity layer

4 is arranged between the

second glass

3 of the third layer and the

third glass

7 of the fifth layer, in order to form the small

hollow cavity layer

4, a small aluminum alloy spacing strip 5 is further arranged between the

second glass

3 of the third layer and the

third glass

7 of the fifth layer, the small aluminum alloy spacing strip 5 is arranged at the position, close to the edge, of the

second glass

3 and the

third glass

7 and is sealed by a

sealant

6 at the edge position, so that the closed small

hollow cavity layer

4 is formed, inert gas argon is filled in the small

hollow cavity layer

4, the filling proportion is larger than 90%, the heat convection and the heat conduction of the small

hollow cavity layer

4 can be slowed down through the arrangement, and the heat conduction capability between the

second glass

3 and the

third glass

7 is weakened.

A large-medium

cavity body layer

8 is arranged between the

third glass

7 of the fifth layer and the

fourth glass

9 of the seventh layer, in order to form the large-medium

cavity body layer

8, a large aluminum

alloy division bar

10 is further arranged between the

third glass

7 of the fifth layer and the

fourth glass

9 of the seventh layer, the large aluminum

alloy division bar

10 is arranged at the position, close to the edge, of the

third glass

7 and the

fourth glass

9, the edge is sealed by a

sealant

11, a sealed large-medium

cavity body layer

8 is further formed, inert gas argon is filled in the large-medium

cavity body layer

8, the filling proportion is larger than 90%, so that the heat convection and the heat conduction in the large-medium

cavity body layer

8 can be slowed down, and the heat conduction capability between the

second glass

3 and the

third glass

7 can be weakened.

The preferred embodiment is that the

first glass

1 of the first layer and the

second glass

3 of the third layer adopt two pieces of glass with the thickness of 4mm, the feasibility of the laminated glass process is ensured, and the PVB sound insulation film 2 of the second layer has the thickness of 1.14mm, so that the effect of enhancing and isolating low-frequency noise is achieved.

The

third glass

7 of the fifth layer is made of 6mm thick glass, the

fourth glass

9 of the seventh layer is made of 8mm thick glass, the thickness difference between the fifth layer and the fourth layer is increased, the frequency of the coincidence effect is staggered, and the sound insulation effect of the glass is enhanced.

Preferably, the

first glass

1 and the

second glass

3 are of the same thickness, and glasses of a lower thickness are used, for example, 3-5mm, especially 4mm, the

third glass

7 and the

fourth glass

9 are of a different thickness and are each thicker than the

first glass

1 and the

second glass

3, and may be 4-12 mm.

In addition, the small

hollow cavity layer

4 of the fourth layer is preferably 8-10mm, especially 9mm thick, and the large

hollow cavity layer

8 of the sixth layer is preferably 20-30mm, especially 25mm thick.

The invention may also exist in various combinations, such as: the

third glass

7 of the fifth layer can be glass with the thickness of 4mm, the

fourth glass

9 of the seventh layer can be glass with the thickness of 10mm, the PVB sound-proof film 2 can be glass with the thickness of 1.14mm, and the large

hollow cavity layer

8 can be glass with the thickness of 20 mm.

According to the invention, two pieces of glass laminated adhesive with a relatively thin thickness and two pieces of glass with a relatively thick thickness and different thicknesses are combined, and argon is filled in the aluminum alloy parting strips with the large cavity and the small cavity, so that the safety of the whole glass in use is enhanced, the strict energy-saving standard is met, and the large thickness difference interaction among the damping adhesive layer of the PVB, the large cavity and the small cavity and the single piece of glass achieves the effect of isolating most of low-frequency traffic noise.

The following examples are merely illustrative of embodiments of the present invention and do not limit the scope of the invention.

Example 1

SiO2Aerogel raw materials are from Nanogokao Co., Ltd, Shaoxing, Zhejiang. The average pore diameter is 30 nm; the porosity is 90%; specific surface area 800m2(ii)/g; density 0.040g/cm3(ii) a The thermal conductivity was 0.015W/(m.k). The modified SiO is prepared according to the method of the invention2An aerogel.

Then preparing raw materials of two outer layers and a middle layer of the three-layer composite film respectively. The former raw material comprises 100 weight portions of PVB resin, 35 weight portions of dipropylene glycol dibenzoate, 5 weight portions of

antioxidant

1010 and 3 weight portions of UV-9; the latter raw material comprises 100 weight portions of PVB resin, 35 weight portions of dipropylene glycol dibenzoate and 8 weight portions of modified SiO2Aerogel, 5 parts by weight of

antioxidant

1010 and 3 parts by weight of UV-9.

Wherein, in the raw materials, the average molecular weight Mn of the PVB resin is 120000 daltons; the content of the butyraldehyde structural unit is 80.5 percent; the content of acetoxy structural units is 2.5 wt%; the density was 1.10g/cm3。

The raw materials of the two outer layers and the middle layer are uniformly mixed and then added into a kneader with an exhaust device for melting, wherein the melting temperature is 130 ℃. The molten raw material mixture was fed into the outer layer flow channel and the intermediate layer flow channel of the composite distributor, respectively, and spread in the flow channels to form a film. And simultaneously extruding and casting the three layers of films to form the three-layer composite film.

Wherein the thickness of the three-layer composite film is 1.52 mm; and the thickness ratio of the middle layer to each outer layer was 2: 1.

And (3) bonding the first layer of

first glass

1 and the third layer of

second glass

3 under hot pressing by taking the three-layer composite film as a PVB sound-insulating film 2 of the second layer.

The

first glass

1 and the

second glass

3 have the same thickness, and float glass with a thickness of 4mm is used.

And a small aluminum alloy spacing strip 5 is further arranged between the

second glass

3 of the third layer and the

third glass

7 of the fifth layer, the small aluminum alloy spacing strip 5 is arranged at the position, close to the edge, of the

second glass

3 and the

third glass

7, and the edge is sealed by a

sealant

6 to form a closed small

hollow cavity layer

4, and the small

hollow cavity layer

4 is filled with inert gas argon gas with the filling proportion of 95%.

And a large aluminum

alloy division bar

10 is further arranged between the fifth layer of

third glass

7 and the seventh layer of

fourth glass

9, the large aluminum

alloy division bar

10 is arranged at the position, close to the edge, of the

third glass

7 and the

fourth glass

9, the edge is sealed by a

sealant

11, a sealed large and medium

cavity body layer

8 is further formed, and the large and medium

cavity body layer

8 is filled with inert gas argon gas with the filling proportion of 95%.

The

third glass

7 of the fifth layer is made of 6mm thick glass, and the

fourth glass

9 of the seventh layer is made of 8mm thick float glass.

The thickness of the small

hollow cavity layer

4 on the fourth layer is 9mm, and the thickness of the large

hollow cavity layer

8 on the sixth layer is 25 mm.

Comparative example 1

The other conditions were the same as in example 1, except that the raw materials of the two outer layers and the intermediate layer of the three-layer composite film were the same, and they were 100 parts by weight of PVB resin, 35 parts by weight of dipropylene glycol dibenzoate, 5 parts by weight of

antioxidant

1010, and 3 parts by weight of UV-9.

Comparative example 2

The other conditions were the same as in example 1, but the same weight of SiO was used directly2Aerogel feedstock other than the modified SiO2An aerogel.

Comparative example 3

The other conditions were the same as in example 1, except that float glass having a thickness of 4mm was used for the fifth layer of the

third glass

7 and the seventh layer of the

fourth glass

9.

Application performance testing

The application performance of the sound-insulating composite glass of the

embodiment

1 and the comparative examples 1 to 3 is detected according to the relevant national standard GB/T8485-2008 classification and detection method for air sound and sound insulation performance of building doors and windows, the weighted sound insulation quantity Rw and the traffic noise frequency spectrum correction quantity (middle and low frequency) Ctr are respectively measured, and Rw + Ctr is used as an effect parameter for evaluating and insulating low frequency noise of traffic.

The results are shown in Table 1.

TABLE 1

Figure BDA0002656317480000091

Figure BDA0002656317480000101

As can be seen from table 1, in the

embodiment

1 of the present invention, two pieces of glass laminated adhesive with a small thickness and two pieces of glass with a large thickness and a different thickness are combined, and argon gas is filled into the aluminum alloy spacers with the large and small double cavities, so that on one hand, the safety of the whole glass during use is enhanced, and the strict energy saving standard is met, and on the other hand, the large thickness difference interaction among the damping adhesive layer, the large and small double cavities and the single piece of glass of the specific PVB three-layer composite film achieves the effect of isolating most of low frequency noise of traffic, and the configuration has strong engineering universality, and the transparent effect after installation is the same as that of the conventional glass.

Furthermore, without wishing to be bound by any theory, the modified SiO2The aerogel improves the blocking effect of the PVB sound insulation film 2 on sound waves, and can effectively reduce low-frequency noise conduction.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (10)

1. The utility model provides a high heat preservation low frequency sound insulation composite glass, includes four layers of glass layers, this four layers of glass layer parallel arrangement is first glass, second glass, third glass and fourth glass, its characterized in that respectively: the first layer is first glass, the second layer is a PVB sound insulation film, the third layer is second glass, the fourth layer is a small hollow cavity layer, the fifth layer is third glass, the sixth layer is a large hollow cavity layer, the seventh layer is fourth glass, the seven layers are arranged in parallel, and the first glass of the first layer is bonded with the third layer of second glass through the PVB sound insulation film of the second layer.

2. The composite glass according to claim 1, wherein: a small aluminum alloy division bar is arranged between the second glass of the third layer and the third glass of the fifth layer, is arranged at the position, close to the edge, of the second glass and the third glass, and is sealed by using a sealant at the edge position, so that a closed small hollow cavity layer is formed; the small hollow cavity layer is filled with inert gas argon.

3. The composite glass according to claim 1, wherein: a large aluminum alloy division bar is arranged between the third glass of the fifth layer and the fourth glass of the seventh layer, is arranged at the position, close to the edge, of the third glass and the fourth glass, and is sealed by using a sealant at the edge position, so that a closed large-medium cavity body layer is formed; the large hollow cavity body layer is filled with inert gas argon.

4. The composite glass according to claim 1, wherein: the first glass and the second glass are the same in thickness; and/or the thickness of the first glass and the second glass is 3-5 mm; the fourth glass is thicker than the third glass, and both are thicker than the first glass and the second glass; and/or the thickness of the third glass and the fourth glass is 4-12 mm; and/or the large hollow cavity layer is thicker than the small hollow cavity layer; and/or the thickness of the small hollow cavity layer of the fourth layer is 8-10 mm; and/or the thickness of the large and medium cavity body layer of the sixth layer is 20-30 mm; and/or the thickness of the PVB sound-proof film is 1-2 mm.

5. The composite glass according to claim 1, wherein: the PVB sound insulation film is a three-layer composite film.

6. The composite glass according to claim 5, wherein: two outer layers of the three-layer composite film are formed by PVB resin, a plasticizer and an optional processing aid; and/or the plasticizer is added in an amount of 30 to 40 wt%, based on the weight of the PVB resin.

7. The composite glass according to claim 5, wherein: the interlayer of the three-layer composite film is composed of PVB resin and modified SiO2Aerogel and plasticizer and optional processing aid formation; and/or the plasticizer is added in an amount of 30 to 40 wt% based on the weight of the PVB resin; the modified SiO2The addition amount of the aerogel is 6-10 wt%.

8. The composite glass according to claim 5 or 6, characterized in that: the plasticizer is selected from dipropylene glycol dibenzoate.

9. The composite glass according to claim 7, wherein: the modified SiO2The preparation method of the aerogel comprises the following steps: mixing SiO2Soaking the aerogel in 20 wt% ethanol solution of (3,3, 3-trifluoropropyl) methyldimethoxysilane for 72 h; the resulting wet gel was washed 3 times with ethanol, followed by supercritical CO2Drying at 55 ℃ and 10Mpa to obtain the modified SiO2An aerogel.

10. The composite glass according to claim 5, wherein: the thickness ratio of the middle layer to each outer layer of the three-layer composite film is (1.5-2.5): 1.

CN202010888822.3A 2020-08-28 2020-08-28 High-heat-preservation low-frequency sound-insulation composite glass Pending CN111993721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010888822.3A CN111993721A (en) 2020-08-28 2020-08-28 High-heat-preservation low-frequency sound-insulation composite glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010888822.3A CN111993721A (en) 2020-08-28 2020-08-28 High-heat-preservation low-frequency sound-insulation composite glass

Publications (1)

Publication Number Publication Date
CN111993721A true CN111993721A (en) 2020-11-27

Family

ID=73465449

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010888822.3A Pending CN111993721A (en) 2020-08-28 2020-08-28 High-heat-preservation low-frequency sound-insulation composite glass

Country Status (1)

Country Link
CN (1) CN111993721A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204113035U (en) * 2014-06-26 2015-01-21 北京卓越金控高科技有限公司 A kind of hollow glass
CN105040867A (en) * 2015-04-17 2015-11-11 日照市华业玻璃有限公司 Three-glass-layer and two-cavity thermal insulation hollow glass
CN106660869A (en) * 2014-09-12 2017-05-10 积水化学工业株式会社 Interlayer for laminated glass, and laminated glass
CN108314411A (en) * 2018-01-03 2018-07-24 深圳中凝科技有限公司 The method that silicon dioxide silica aerogel composite material is prepared without alcohol technique using no chlorine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204113035U (en) * 2014-06-26 2015-01-21 北京卓越金控高科技有限公司 A kind of hollow glass
CN106660869A (en) * 2014-09-12 2017-05-10 积水化学工业株式会社 Interlayer for laminated glass, and laminated glass
CN105040867A (en) * 2015-04-17 2015-11-11 日照市华业玻璃有限公司 Three-glass-layer and two-cavity thermal insulation hollow glass
CN108314411A (en) * 2018-01-03 2018-07-24 深圳中凝科技有限公司 The method that silicon dioxide silica aerogel composite material is prepared without alcohol technique using no chlorine

Similar Documents

Publication Publication Date Title
CN105715158A (en) 2016-06-29 Multi-cavity hollow glass
CN111993722A (en) 2020-11-27 Low-frequency single-hollow sound-insulation composite glass
CN214303507U (en) 2021-09-28 Low-frequency single-hollow sound-insulation composite glass
CN203284329U (en) 2013-11-13 Two-LOW-E three-glass two-cavity hollow glass
CN202073449U (en) 2011-12-14 Hollow glass
CN111993721A (en) 2020-11-27 High-heat-preservation low-frequency sound-insulation composite glass
CN106285338B (en) 2018-07-13 Heat insulating and sound insulating window construction
CN201825876U (en) 2011-05-11 soundproof glass for building
CN206091811U (en) 2017-04-12 Sound proof window
JP2010138027A (en) 2010-06-24 Multiple glass
CN100370101C (en) 2008-02-20 Transparent heat insulating board
CN2725481Y (en) 2005-09-14 Sound insulating hollow glass
CN213980488U (en) 2021-08-17 High-heat-preservation low-frequency sound-insulation composite glass
CN216950085U (en) 2022-07-12 A kind of sound insulation insulating glass
CN203128429U (en) 2013-08-14 Sound isolation and noise reduction glass structure
CN207538687U (en) 2018-06-26 A kind of interblock gap formula energy-saving heat-insulating hollow glass
CN207406227U (en) 2018-05-25 A kind of safe energy-saving hollow glass
CN207538689U (en) 2018-06-26 A kind of interblock gap formula energy-saving heat-insulating discoloration hollow glass
CN206338006U (en) 2017-07-18 A kind of vacuum sound insulation energy saving door and window
CN2784559Y (en) 2006-05-31 Sound insulation insulating glass
CN216894009U (en) 2022-07-05 Sound-insulation heat-insulation window
CN205740760U (en) 2016-11-30 A kind of multilayer compound glass
CN215859770U (en) 2022-02-18 Heat-preservation glass
CN214498843U (en) 2021-10-26 Sound-insulation heat-preservation aluminum alloy profile
CN215512620U (en) 2022-01-14 Sound-insulation toughened glass

Legal Events

Date Code Title Description
2020-11-27 PB01 Publication
2020-11-27 PB01 Publication
2020-12-15 SE01 Entry into force of request for substantive examination
2020-12-15 SE01 Entry into force of request for substantive examination