CN102320787B - Self-closing polymer cement waterproof coating and preparation method thereof - Google Patents
Self-closing polymer cement waterproof coating and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a self-closing polymer cement waterproof coating and a preparation method thereof. The self-closing polymer cement waterproof coating comprises powder and liquid materials in a weight ratio of 1:1, wherein the powder comprises 25-45 parts of cement, 25-45 parts of quartz powder, 20-40 parts of filler and 2-10 parts of active master batch FLW; and the liquid materials comprise 10-20 parts of water, 0.1-0.5 part of wetting agent, 1-5 parts of plasticizer, 0.1-0.5 part of silicone defoamer and 70-90 parts of polymer emulsion. The preparation method comprises the steps of liquid material component preparation and powder component preparation. The self-closing polymer cement waterproof coating has the self-closing performance after a waterproof film has cracks due to external factors and simultaneously has higher breaking elongation, and the elasticity of the waterproof coating is greatly better than that of rigid cement-based waterproof materials.
Description
Technical field
The present invention relates to a kind of self-closing's waterproof paint and preparation method thereof, relate in particular a kind of self-closing polymer cement waterproof paint and preparation method thereof.
Background technology
Polymer cement waterproof paint (being called for short the JS waterproof paint) is the two-component coating that is composited with polymer emulsion (acrylic ester emulsion, ethene-vinyl acetate emulsion etc.) and cement, silica powder, mineral filler and additive.Because this coating is comprised of " polymer emulsion-cement " two-pack, therefore have the characteristic of " tempering toughness with gentleness ", the extensibility of existing polymer coating film, water-repellancy also have the advantage that hydraulic cementing materials intensity is high, easy and wet base bonds.Can the telomerized polymer emulsion and the ratio of cement, satisfy different engineerings to the requirement of snappiness and intensity etc., constructional method is convenient.This kind coating as dispersion agent, has solved environmental pollution that tar, pitch, solvent equal solvent type waterproof paint cause and to the harm of HUMAN HEALTH with water.So at home and abroad development becomes the up-and-coming youngster in the waterproof paint rapidly.But the waterproof effect of polymer cement waterproof paint is sometimes not fully up to expectations in practical engineering application, in case mainly be the seepage that can't prevent sealing because external force or structural stress effect produce the penetrability crack.Such problem obtains certain solution by the penetrant crystalline technology in the cement group water-proofing material of rigidity, but does not solve so far at polymer cement (JS) waterproof paint of flexibility.
Summary of the invention
Purpose of the present invention provides a kind of self-closing polymer cement waterproof paint in order to solve above-mentioned technical problem, this self-closing polymer cement waterproof paint has preferably dereism (self-healing), and can reach higher tension set simultaneously, become a kind of flexible waterproof coating with function of self closing.
Two of purpose of the present invention provides the preparation method of above-mentioned a kind of self-closing polymer cement waterproof paint.
Technical scheme of the present invention
A kind of self-closing polymer cement waterproof paint is comprised of powder and two kinds of components of liquid material, it is characterized in that, described powder and liquid material are calculated by weight, i.e. powder: liquid material is 1:1;
Wherein powder is comprised of cement, silica powder, filler and active masterbatch FLW, and the content of the cement in the described powder, silica powder, filler and active masterbatch FLW is calculated as follows by weight:
25～45 parts of cement
25～45 parts of silica powders
20～40 parts of fillers
2～10 parts of active masterbatch FLW
Described filler is one or more the mixture in calcium carbonate, talcum powder, the kaolin;
Liquid material is comprised of water, wetting agent, softening agent, silicone antifoam agent and polymer emulsion, and the content of water, wetting agent, softening agent, silicone antifoam agent and polymer emulsion is calculated as follows by weight in the liquid material:
70～90 parts of polymer emulsions
0.1～0.5 part of wetting agent
1～5 part in softening agent
0.1～0.5 part of silicone antifoam agent
10～20 parts in water
Described polymer emulsion is a kind of or mixture in ethene-vinyl acetate emulsion, the acrylic ester emulsion;
Described wetting agent is wetting agent W-205, wetting agent SILCO WET 065 or wetting agent SN-WET992;
Described softening agent is one or more the mixture in dibutyl phthalate, dioctyl phthalate (DOP), the neopentyl glycol diisobutyrate.
The preparation method of above-mentioned a kind of self-closing polymer cement waterproof paint comprises the steps:
(1), water, wetting agent, softening agent, silicone antifoam agent are added successively in the stirring tank and to stir 30 minutes
Then clock adds polymer emulsion and stirs, and namely gets polymeric constituent, is called for short the liquid material component.
(2), cement, silica powder, filler, active masterbatch FLW are put into successively fine material mixer and fully mix, namely get the mineral compound component, be called for short the powder component.
Above-mentioned a kind of self-closing polymer cement waterproof paint in use,
PressWeight ratio is calculated, and liquid material component and powder component are pressed 1:1 proportioning mixing and stirring, knife-coat application.Warp is according to GB/T 23445-2009 " polymer cement waterproof paint " standard detection, and tensile strength is 2.22MPa, and elongation at break is 105%, and dereism is 7 hours.
Beneficial effect of the present invention
A kind of self-closing polymer cement waterproof paint of the present invention, owing to containing the active masterbatch compound of high dispersing, after liquid material and powder two components are mixing cured, this active compound runs into the moisture that infiltrates in the crack can react with it formation solid crystal thing, this solid crystal thing again can with waterproof coating in cement and the interaction such as polymkeric substance and being connected, thereby reach the self-closing effect in the crack of filming.
Simultaneously, because the polymer emulsion in the waterproof paint can guarantee higher tension set, thereby so that its elasticity is better than the cement group water-proofing material of rigidity greatly.
And owing to containing polymer emulsion in the waterproof paint, the construction gel time of made waterproof paint is also much larger than cement group water-proofing material, but so knife-coat application.
Embodiment
Below in conjunction with specific embodiment the present invention is further set forth, but do not limit the present invention.
The used various raw materials of the present invention are the commercially available raw material commonly used that is used for polymer cement (JS) waterproof paint.
Embodiment 1
A kind of self-closing polymer cement waterproof paint is comprised of powder and two kinds of components of liquid material, and described powder and liquid material are calculated by weight, i.e. powder: liquid material is 1:1;
Wherein powder is comprised of cement, silica powder, filler kaolin and active masterbatch FLW, and the content of the cement in the powder, silica powder, filler kaolin and active masterbatch FLW is calculated as follows by weight:
25 parts of cement
25 parts of silica powders
20 parts of kaolin
2 parts of active masterbatch FLW
Liquid material is that the ethene-vinyl acetate emulsion forms by water, wetting agent W-205, plasticizer phthalic acid dioctyl ester, silicone antifoam agent and polymer emulsion, and water, wetting agent W-205, plasticizer phthalic acid dioctyl ester, silicone antifoam agent and polymer emulsion are that the content of ethene-vinyl acetate emulsion is calculated as follows by weight in the liquid material:
70 parts of ethene-vinyl acetate emulsions
0.1 part of wetting agent W-205
1 part of dioctyl phthalate (DOP)
0.1 part of silicone antifoam agent
10 parts in water.
The preparation method of above-mentioned a kind of self-closing polymer cement waterproof paint comprises the steps:
(1), the preparation of liquid material component
10 parts of water, 0.1 part of wetting agent W-205,1 part of dioctyl phthalate (DOP), 0.1 part of silicone antifoam agent added in the stirring tank successively stirred 30 minutes, then add 70 parts of ethene-vinyl acetate emulsions and stirred 1 hour, namely get the liquid material component;
(2), the preparation of powder component
25 parts of cement, 25 parts of silica powders, 20 parts of kaolin, 2 parts of active masterbatch FLW are put successively
Enter fully to mix 1 hour in the fine material mixer, namely get the powder component.
A kind of self-closing polymer cement waterproof paint of gained calculates in use by weight, and liquid material component and powder component are pressed the 1:1 proportioning.
Embodiment 2
A kind of self-closing polymer cement waterproof paint is comprised of powder and two kinds of components of liquid material, and described powder and liquid material are calculated by weight, i.e. powder: liquid material is 1:1;
Wherein powder is comprised of cement, silica powder, filler-calcium carbonate and active masterbatch FLW, and the content of the cement in the powder, silica powder, filler-calcium carbonate and active masterbatch FLW is calculated as follows by weight:
45 parts of cement
45 parts of silica powders
40 parts in calcium carbonate
10 parts of active masterbatch FLW
Liquid material is that acrylic ester emulsion forms by water, wetting agent SILCO WET 065, softening agent neopentyl glycol diisobutyrate, silicone antifoam agent and polymer emulsion, and water, wetting agent SILCO WET 065, softening agent neopentyl glycol diisobutyrate, silicone antifoam agent and polymer emulsion are that the content of acrylic ester emulsion is calculated as follows by weight in the liquid material:
90 parts of acrylic ester emulsions
065 0.5 parts of wetting agent SILCO WET
5 parts of neopentyl glycol diisobutyrates
0.5 part of silicone antifoam agent
20 parts in water.
The preparation method of above-mentioned a kind of self-closing polymer cement waterproof paint comprises the steps:
(1), the preparation of liquid material component
20 parts of water, 065,5 parts of neopentyl glycol diisobutyrates of 0.5 part of wetting agent SILCO WET, 0.5 part of silicone antifoam agent added in the stirring tank successively stirred 30 minutes, then add 90 parts of acrylic ester emulsions and stirred 1 hour, namely get the liquid material component;
(2), the preparation of powder component
45 parts of cement, 45 parts of silica powders, 40 parts of calcium carbonate, 10 parts of active masterbatch FLW are put into successively fine material mixer and fully mix 1 hour, namely get the powder component.
A kind of self-closing polymer cement waterproof paint of gained calculates in use by weight, and liquid material component and powder component are pressed the 1:1 proportioning.
Embodiment 3
A kind of self-closing polymer cement waterproof paint is comprised of powder and two kinds of components of liquid material, and described powder and liquid material are calculated by weight, i.e. powder: liquid material is 1:1;
Wherein powder is comprised of cement, silica powder, filler-calcium carbonate and talcum powder and active masterbatch FLW, and the content of the cement in the powder, silica powder, filler-calcium carbonate and active masterbatch FLW is calculated as follows by weight:
35 parts of cement
32 parts of silica powders
20 parts in calcium carbonate
10 parts of talcum powder
4 parts of active masterbatch FLW
Liquid material is that ethene-vinyl acetate emulsion and acrylic ester emulsion form by water, wetting agent SN-WET992, plasticizer phthalic acid dibutylester and neopentyl glycol diisobutyrate, silicone antifoam agent and polymer emulsion, and water, wetting agent SN-WET992, plasticizer phthalic acid dibutylester and neopentyl glycol diisobutyrate, silicone antifoam agent and polymer emulsion are that the content of ethene-vinyl acetate emulsion and acrylic ester emulsion is calculated as follows by weight in the liquid material:
50 parts of ethene-vinyl acetate emulsions
30 parts of acrylic ester emulsions
0.2 part of wetting agent SN-WET992
1 part of dibutyl phthalate
1 part of neopentyl glycol diisobutyrate
0.2 part of silicone antifoam agent
15 parts in water.
The preparation method of above-mentioned a kind of self-closing polymer cement waterproof paint comprises the steps:
(1), the preparation of liquid material component
15 parts of water, 0.2 part of wetting agent SN-WET992,1 part of dibutyl phthalate and 1 part of neopentyl glycol diisobutyrate, 0.2 part of silicone antifoam agent added in the stirring tank successively stirred 30 minutes, then add 50 parts of ethene-vinyl acetate emulsions and 30 parts of acrylic ester emulsions and stirred 1 hour, namely get the liquid material component;
(2), the preparation of powder component
35 parts of cement, 32 parts of silica powder, 20 parts of calcium carbonate and 10 parts of talcum powder, 4 parts of active masterbatch FLW are put into successively fine material mixer and fully mix 1 hour, namely get the powder component.
A kind of self-closing polymer cement waterproof paint of gained calculates in use by weight, and liquid material component and powder component are pressed the 1:1 proportioning.Warp is according to GB/T 23445-2009 " polymer cement waterproof paint " standard detection, and its tensile strength is 2.22MPa, and elongation at break is 105%, and dereism is 7 hours.
Above said content only is the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technical scheme of the present invention is done, all should belong to protection scope of the present invention.
Claims (3)
1. a self-closing polymer cement waterproof paint is comprised of powder and two kinds of components of liquid material, it is characterized in that, described powder and liquid material are calculated by weight, i.e. powder: liquid material is 1:1;
Wherein powder is comprised of cement, silica powder, filler and active masterbatch FLW, the cement in the powder,
The content of silica powder, filler and active masterbatch FLW is calculated as follows by weight:
25～45 parts of cement
25～45 parts of silica powders
20～40 parts of fillers
2～10 parts of active masterbatch FLW
Described filler is a kind of or mixture in calcium carbonate, talcum powder, the kaolin;
Liquid material is comprised of water, wetting agent, softening agent, silicone antifoam agent and polymer emulsion, and the content of water, wetting agent, softening agent, silicone antifoam agent and polymer emulsion is calculated as follows by weight in the liquid material:
70～90 parts of polymer emulsions
0.1～0.5 part of wetting agent
1～5 part in softening agent
0.1～0.5 part of silicone antifoam agent
10～20 parts in water
Described polymer emulsion is a kind of or mixture in ethene-vinyl acetate emulsion, the acrylic ester emulsion;
Described wetting agent is wetting agent W-205, wetting agent SILCO WET 065 or wetting agent SN-WET992;
Described softening agent is a kind of or mixture in dibutyl phthalate, dioctyl phthalate (DOP), the neopentyl glycol diisobutyrate.
2. the preparation method of self-closing polymer cement waterproof paint as claimed in claim 1 is characterized in that comprising the steps:
(1), the preparation of liquid material component
Water, wetting agent, softening agent, silicone antifoam agent added in the stirring tank successively stir
Mixed 30 minutes, and then added polymer emulsion and stir, namely get the liquid material component;
(2), the preparation of powder component
Cement, silica powder, filler, active masterbatch FLW are put into successively fine material mixer and fully mix, namely get the powder component.
3. the using method of self-closing polymer cement waterproof paint as claimed in claim 1 is characterized in that making
Time spent,
PressWeight ratio is calculated, and liquid material component and powder component are pressed 1:1 proportioning mixing and stirring,
Get final product knife-coat application.
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| CN 201110225371 CN102320787B (en) | 2011-08-08 | 2011-08-08 | Self-closing polymer cement waterproof coating and preparation method thereof |
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| CN 201110225371 CN102320787B (en) | 2011-08-08 | 2011-08-08 | Self-closing polymer cement waterproof coating and preparation method thereof |
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Families Citing this family (16)
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| CN102775103A (en) * | 2012-08-20 | 2012-11-14 | 上海应用技术学院 | Sodium silicate-containing polymer cement waterproof coating and preparation method thereof |
| CN102786275B (en) * | 2012-08-25 | 2014-12-31 | 广东韶钢松山股份有限公司 | Cement-based infiltration crystalline waterproof material |
| CN103740183A (en) * | 2013-11-05 | 2014-04-23 | 张逸飞 | Compound high-viscosity JS waterproof emulsion |
| CN104177007B (en) * | 2014-08-11 | 2016-01-20 | 上海应用技术学院 | A kind of slow setting self-closing polymer cement waterproof paint |
| CN104194463B (en) * | 2014-08-25 | 2016-08-17 | 大岩（上海）建筑材料有限公司 | A kind of self-closing polymer cement waterproof paint |
| CN104194506A (en) * | 2014-09-17 | 2014-12-10 | 遵义市斌灏信息咨询有限公司 | Polymer cement waterproof paint |
| CN106630778A (en) * | 2015-10-30 | 2017-05-10 | 丹阳市海信涂料化工厂 | Waterproof paint |
| CN106630807A (en) * | 2015-10-30 | 2017-05-10 | 丹阳市海信涂料化工厂 | Preparation technology of waterproof paint |
| CN106010058A (en) * | 2016-06-30 | 2016-10-12 | 广西梧州龙鱼漆业有限公司 | Superhigh-elasticity water-resistant paint and preparation method thereof |
| CN108276844B (en) * | 2018-02-06 | 2020-03-27 | 奥泰利新技术集团有限公司 | Self-closing resin waterproof coating and preparation method and application thereof |
| CN109111167B (en) * | 2018-08-10 | 2020-11-24 | 安徽朗凯奇建材有限公司 | Stretch-proofing cement-based capillary crystalline waterproof material |
| CN109988527A (en) * | 2019-04-02 | 2019-07-09 | 王谦 | A kind of flexible polymer cement seal material and preparation method thereof |
| CN111748247A (en) * | 2020-07-07 | 2020-10-09 | 三棵树涂料股份有限公司 | Self-repairing waterproof coating and preparation method thereof |
| CN112011234A (en) * | 2020-08-14 | 2020-12-01 | 赣州市犇牛防水建材有限公司 | Polymer cement-based waterproof coating and preparation method thereof |
| CN112174585A (en) * | 2020-09-22 | 2021-01-05 | 东莞市山力高分子材料科研有限公司 | Polymer cement waterproof coating and preparation method thereof |
| CN112322120A (en) * | 2020-11-12 | 2021-02-05 | 刘健辉 | Self-repairing waterproof coating for external wall cracks and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3176831B2 (en) * | 1995-09-22 | 2001-06-18 | 大関化学工業株式会社 | Coating composition for concrete structures |
| JP3877636B2 (en) * | 2002-04-25 | 2007-02-07 | 電気化学工業株式会社 | Cement admixture and cement composition using the same |
| CN101899243B (en) * | 2010-03-22 | 2012-08-15 | 苏州市姑苏新型建材有限公司 | Self-closing polymer cement waterproof paint and method for preparing same |
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