CN111410860A - Method for preparing super-hydrophobic wall decoration material - Google Patents
- ️Tue Jul 14 2020
CN111410860A - Method for preparing super-hydrophobic wall decoration material - Google Patents
Method for preparing super-hydrophobic wall decoration material Download PDFInfo
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Publication number
- CN111410860A CN111410860A CN201910016597.1A CN201910016597A CN111410860A CN 111410860 A CN111410860 A CN 111410860A CN 201910016597 A CN201910016597 A CN 201910016597A CN 111410860 A CN111410860 A CN 111410860A Authority
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- China Prior art keywords
- emulsion
- hydrophobic
- nano
- fatty
- wall decoration Prior art date
- 2019-01-08 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.)
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
A method for preparing a super-hydrophobic wall decoration material relates to a method for preparing a paste material for super-hydrophobic wall decoration. The invention mainly aims to solve the problems that the existing wall decoration material can crack and fall off after absorbing water. Adding the nano super-hydrophobic emulsion into a wall decoration material, and uniformly stirring. Wherein, the content of the effective active substance component of the nano super-hydrophobic emulsion in the total dry weight of the wall decoration material is 0.05-2%, the hydrogen content of the effective active substance is 0.1-1.7%, and the concentration of the effective active substance in the hydrophobic emulsion is 1-70%. The prepared gypsum, putty or cement can be used for building construction by adding proper water according to the conventional water adding proportion. The wall decoration material has the advantages that the wall decoration material presents an excellent internal and external super-hydrophobic phenomenon after being dried, and does not absorb water or stick to water.
Description
The technical field is as follows:
the invention relates to a method for preparing a paste material for finishing a super-hydrophobic wall.
Background art:
putty, plaster and mortar, which are materials for wall finishing, are widely used in the construction field, but have fatal weaknesses such as water resistance and difficulty in drying after absorbing water, thereby causing cracking of paint or cracks, or easy falling off, or mold and stain. At present, waterproof putty for external walls is available in the market, but a large amount of water is actually absorbed, and the hydrophobic effect is not ideal.
The invention content is as follows:
the invention aims to solve the technical problem of providing a method for preparing a super-hydrophobic wall decoration material, and the wall decoration paste material obtained by the method has good hydrophobic effect and is not easy to fall off, mildew and stain.
The above object is achieved by: adding the nano super-hydrophobic emulsion into a wall decoration material, and uniformly stirring. Wherein, the content of the effective active substance component of the nano super-hydrophobic emulsion in the total dry weight of the wall decoration material is 0.05-2%, the hydrogen content of the effective active substance is 0.1-1.7%, and the concentration of the effective active substance in the hydrophobic emulsion is 1-70%.
The wall decoration material is putty, cement gum and gypsum.
The manufacturing steps are as follows:
mixing and stirring the emulsion and putty powder or gypsum or cement gum;
the prepared gypsum, putty or cement can be used for building construction by adding proper water according to the conventional water adding proportion.
The wall decoration materials such as putty, gypsum, cement paste and the like can be building materials used in any building engineering.
The nano super-hydrophobic emulsion is prepared from the following raw materials: active, emulsifier, water; wherein the active matter accounts for 1-70% of the total weight of the nano hydrophobic emulsion, the emulsifier accounts for 0.1-10% of the total weight of the nano hydrophobic emulsion, and the water accounts for 98.9-20% of the total weight of the nano hydrophobic emulsion; the active content can be any solubility from 1% to 70% in industrial production;
the active matter of the nano hydrophobic emulsion is hydrogen-containing siloxane polymer (also called hydrogen-containing silicone oil), the hydrogen content of the active matter of the nano hydrophobic emulsion is 0.1-1.7%, and the molecular formula of the hydrogen-containing siloxane polymer is as follows:
(R)3SiO[RHSiO]nSi(R)3r = alkyl of 1-5 carbons;
the emulsifier is composed of a neutral surfactant and an anionic surfactant, and the mixing ratio of the two surfactants is not limited;
the neutral surfactant can be fatty alcohol, ether or ester compounds, or a mixture of the fatty alcohol, the ether or the ester compounds, and the mixing ratio is not limited;
the anionic surfactant is fatty sulfate, fatty sulfonate or fatty acid salt, or a mixture of the fatty sulfate, the fatty sulfonate and the fatty acid salt, and the mixing ratio is not limited;
the fatty alcohols may be: saturated or unsaturated alkanes containing at least 1 or more alcoholic hydroxyl groups (-OH) and 6-30 straight or branched chain carbons, and optionally 0-3 carboxyl groups (-COO-) derivatives. Such as lauryl alcohol, stearyl alcohol, and palmityl alcohol, and the like.
The ethers may be: saturated or unsaturated alkanes containing at least 1 or more ether groups (C-O-C) and at least two 6 to 30 straight or branched chain carbons, and also derivatives of polyethylene glycol, HO [ CH2CH2O ] n-H (n = 100-.
The ester compound may be: saturated or unsaturated fatty acid ester derivatives (-COOC-) containing 6-30 straight chain or branched chain carbons, and optionally 0-5 alcoholic hydroxyl groups, such as glyceryl distearate, glyceryl monostearate, etc.
The fatty acid or salt thereof may be: saturated or unsaturated fatty acid (-COOH) containing 6-30 straight chain or branched chain carbons, or its fatty acid salt (-COOM, M = Na, K, Ca, etc.) or fatty sulfate (ROSO)3 -) Or salts of fatty acids (RSO)3 -) For example oleic acid, sodium laurate, sodium lauryl sulfate and sodium dodecyl sulfate.
The preparation method of the nano hydrophobic emulsion comprises the following steps:
dissolving emulsifier in hot water of 50-80 deg.C, and mechanically stirring the mixture for 30 min until uniform emulsion is formed; when the temperature of the emulsion is reduced to about 25 ℃ at room temperature, regulating the pH value to 7 +/-1 by using a small amount of 10% hydrochloric acid or 10% sodium hydroxide solution; the emulsion was then stirred with a high shear at 800 to 2000rpm while slowly adding the active, and the mixture after addition was stirred at high speed for 30 minutes until a homogeneous milky concentrated emulsion was formed.
The invention has the advantages that: the nano super-hydrophobic emulsion added into materials such as putty, gypsum, cement paste and the like is an environment-friendly product which is safe and harmless to people, animals and plants, and can be widely used indoors and outdoors.
The prepared hydrophobic putty, gypsum, cement and other materials have hydrophobic characteristics, and the hydrophobic contact angle is more than 120 degrees, so that the self-cleaning function is realized.
The super-hydrophobic putty can be directly smeared on the surfaces of inner and outer walls as a coating, and can also be used for plastering wall surfaces to prevent the wall coating from falling off and mildewing.
The wall decoration material shows excellent internal and external super-hydrophobic phenomenon after being dried, and does not absorb water or adhere to water.
The specific implementation mode is as follows:
adding the nano super-hydrophobic emulsion into a wall decoration material, and uniformly stirring. Wherein, the content of the effective active substance component of the nano super-hydrophobic emulsion in the total dry weight of the wall decoration material is 0.05-2%, the hydrogen content of the effective active substance is 0.1-1.7%, and the concentration of the effective active substance in the hydrophobic emulsion is 1-70%.
The wall decoration material is putty, cement gum and gypsum.
The manufacturing steps are as follows:
mixing and stirring the emulsion and putty powder or gypsum or cement gum;
the prepared gypsum, putty or cement can be used for building construction by adding proper water according to the conventional water adding proportion.
The wall decoration materials such as putty, gypsum, cement paste and the like can be building materials used in any building engineering.
The nano super-hydrophobic emulsion is prepared from the following raw materials: active, emulsifier, water; wherein the active matter accounts for 1-70% of the total weight of the nano hydrophobic emulsion, the emulsifier accounts for 0.1-10% of the total weight of the nano hydrophobic emulsion, and the water accounts for 98.9-20% of the total weight of the nano hydrophobic emulsion; the active content can be any solubility from 1% to 70% in industrial production;
the active matter of the nano hydrophobic emulsion is hydrogen-containing siloxane polymer (also called hydrogen-containing silicone oil), the hydrogen content of the active matter of the nano hydrophobic emulsion is 0.1-1.7%, and the molecular formula of the hydrogen-containing siloxane polymer is as follows:
(R)3SiO[RHSiO]nSi(R)3r = alkyl of 1-5 carbons;
the emulsifier is composed of a neutral surfactant and an anionic surfactant, and the mixing ratio of the two surfactants is not limited;
the neutral surfactant can be fatty alcohol, ether or ester compounds, or a mixture of the fatty alcohol, the ether or the ester compounds, and the mixing ratio is not limited;
the anionic surfactant is fatty sulfate, fatty sulfonate or fatty acid salt, or a mixture of the fatty sulfate, the fatty sulfonate and the fatty acid salt, and the mixing ratio is not limited;
the fatty alcohols may be: saturated or unsaturated alkanes containing at least 1 or more alcoholic hydroxyl groups (-OH) and 6-30 straight or branched chain carbons, and optionally 0-3 carboxyl groups (-COO-) derivatives. Such as lauryl alcohol, stearyl alcohol, and palmityl alcohol, and the like.
The ethers may be: saturated or unsaturated alkanes containing at least 1 or more ether groups (C-O-C) and at least two 6 to 30 straight or branched chain carbons, and also derivatives of polyethylene glycol, HO [ CH2CH2O ] n-H (n = 100-.
The ester compound may be: saturated or unsaturated fatty acid ester derivatives (-COOC-) containing 6-30 straight chain or branched chain carbons, and optionally 0-5 alcoholic hydroxyl groups, such as glyceryl distearate, glyceryl monostearate, etc.
The fatty acid or salt thereof may be: saturated or unsaturated fatty acid (-COOH) containing 6-30 straight chain or branched chain carbons, or its fatty acid salt (-COOM, M = Na, K, Ca, etc.) or fatty sulfate (ROSO)3 -) Or salts of fatty acids (RSO)3 -) For example oleic acid, sodium laurate, sodium lauryl sulfate and sodium dodecyl sulfate.
The preparation method of the nano hydrophobic emulsion comprises the following steps:
dissolving emulsifier in hot water of 50-80 deg.C, and mechanically stirring the mixture for 30 min until uniform emulsion is formed; when the temperature of the emulsion is reduced to about 25 ℃ at room temperature, regulating the pH value to 7 +/-1 by using a small amount of 10% hydrochloric acid or 10% sodium hydroxide solution; the emulsion was then stirred with a high shear at 800 to 2000rpm while slowly adding the active, and the mixture after addition was stirred at high speed for 30 minutes until a homogeneous milky concentrated emulsion was formed.
Example 1;
10 kg of nano super-hydrophobic emulsion with the concentration of 1 percent is added into 100 kg of daub, and then proper water is added according to the conventional water adding proportion of the daub and the daub is evenly stirred to be applied. The effective active ingredient content of the hydrophobic emulsion to the dry weight content of the daub is 0.10%.
Example 2;
1.0 kg of nano super-hydrophobic emulsion with the concentration of 6 percent is added into 125 kg of putty powder. The content of the effective active substance component of the hydrophobic emulsion to the dry weight of the putty is 0.05 percent. Then adding proper water according to the conventional water adding proportion of the putty powder, and uniformly stirring to brush.
Example 3;
5.71 kilograms of nano super-hydrophobic emulsion with the concentration of 70 percent is added into 200 kilograms of putty powder. The dry weight content of the effective active substance component of the hydrophobic emulsion to the putty is 2 percent. Then adding proper water according to the conventional water adding proportion of the putty powder, and uniformly stirring to brush.
Example 4;
5.94 kg of nano super-hydrophobic emulsion with the concentration of 50 percent is added into 180 kg of daub and stirred evenly. The effective active ingredient content of the hydrophobic emulsion to the dry weight content of the daub is 1.65%.
Example 5;
12.6 kg of nano super-hydrophobic emulsion with a concentration of 1% was added to 140 kg of landplaster. The dry weight content of the effective active ingredient of the hydrophobic medium emulsion to the gypsum is 0.09%. Then adding proper water according to the conventional water adding proportion of the gypsum powder, and uniformly stirring to paint.
Claims (5)
1. The method for preparing the super-hydrophobic wall decoration material is characterized by comprising the following steps of: adding the nano super-hydrophobic emulsion into a wall decoration material, and uniformly stirring; wherein, the content of the effective active substance component of the nano super-hydrophobic emulsion in the total dry weight of the wall decoration material is 0.05-2%, the hydrogen content of the effective active substance is 0.1-1.7%, and the concentration of the effective active substance in the nano super-hydrophobic emulsion is 1-70%.
2. The method for preparing a superhydrophobic wall finishing material according to claim 1, wherein: the wall decoration material is putty, cement gum and gypsum.
3. The method for preparing a superhydrophobic wall finishing material according to claim 2, wherein: the prepared gypsum, putty or cement can be used for building construction by adding proper water according to the conventional water adding proportion.
4. The method for preparing a superhydrophobic wall finishing material according to claim 1, wherein: the nano super-hydrophobic emulsion is prepared from the following raw materials: active, emulsifier, water; wherein the active matter accounts for 1-70% of the total weight of the nano hydrophobic emulsion, the emulsifier accounts for 0.1-10% of the total weight of the nano hydrophobic emulsion, and the water accounts for 98.9-20% of the total weight of the nano hydrophobic emulsion; the active content can be any solubility from 1% to 70% in industrial production;
the active matter of the nano hydrophobic emulsion is hydrogen-containing siloxane polymer, and the hydrogen content of the active matter of the nano hydrophobic emulsion is 0.1-1.7%;
the emulsifier is composed of a neutral surfactant and an anionic surfactant, and the mixing ratio of the two surfactants is not limited;
the neutral surfactant can be fatty alcohol, ether or ester compounds, or a mixture of the fatty alcohol, the ether or the ester compounds, and the mixing ratio is not limited;
the anionic surfactant is fatty sulfate, fatty sulfonate or fatty acid salt, or a mixture of the fatty sulfate, the fatty sulfonate and the fatty acid salt, and the mixing ratio is not limited;
the fatty alcohols may be: saturated or unsaturated alkanes containing at least 1 or more alcoholic hydroxyl groups (-OH) and 6-30 straight or branched chain carbons, and optionally 0-3 carboxyl (-COO-) derivatives;
the ethers may be: a saturated or unsaturated alkane containing at least 1 or more ether groups (C-O-C) and at least two 6-30 straight or branched chain carbons, which may also be a derivative of polyethylene glycol, HO [ CH2CH2O ] n-H (n = 100-;
the ester compound may be: saturated or unsaturated fatty acid ester derivative (-COOC-) containing 6-30 straight chain or branched chain carbons, and optionally 0-5 alcoholic hydroxyl groups;
the fatty acid or salt thereof may be: saturated or unsaturated fatty acid (-COOH) containing 6-30 straight chain or branched chain carbons, or its fatty acid salt (-COOM, M = Na, K, Ca, etc.) or fatty sulfate (ROSO)3 -) Or salts of fatty acids (RSO)3 -）。
5. The method for preparing a superhydrophobic wall finishing material according to claim 4, wherein: the preparation method of the nano hydrophobic emulsion comprises the following steps:
dissolving emulsifier in hot water of 50-80 deg.C, and mechanically stirring the mixture for 30 min until uniform emulsion is formed; when the temperature of the emulsion is reduced to about 25 ℃ at room temperature, regulating the pH value to 7 +/-1 by using a small amount of 10% hydrochloric acid or 10% sodium hydroxide solution; the emulsion was then stirred with a high shear at 800 to 2000rpm while slowly adding the active, and the mixture after addition was stirred at high speed for 30 minutes until a homogeneous milky concentrated emulsion was formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910016597.1A CN111410860A (en) | 2019-01-08 | 2019-01-08 | Method for preparing super-hydrophobic wall decoration material |
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| CN201910016597.1A CN111410860A (en) | 2019-01-08 | 2019-01-08 | Method for preparing super-hydrophobic wall decoration material |
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| CN111410860A true CN111410860A (en) | 2020-07-14 |
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| CN201910016597.1A Pending CN111410860A (en) | 2019-01-08 | 2019-01-08 | Method for preparing super-hydrophobic wall decoration material |
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