CN103351695A - Anti-cracking exterior wall putty - Google Patents
Anti-cracking exterior wall putty Download PDFInfo
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- CN103351695A CN103351695A CN 201310254169 CN201310254169A CN103351695A CN 103351695 A CN103351695 A CN 103351695A CN 201310254169 CN201310254169 CN 201310254169 CN 201310254169 A CN201310254169 A CN 201310254169A CN 103351695 A CN103351695 A CN 103351695A
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- exterior wall
- cracking
- wall putty
- elastic emulsion
- putty
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Abstract
The invention discloses anti-cracking exterior wall putty. The anti-cracking exterior wall putty comprises the following components in percentage by weight: 15-17% of pure acrylic elastic emulsion, 10-12% of silicone-acrylate elastic emulsion, 0.5-1% of carboxymethyl cellulose, 2-3% of polyacrylonitrile fiber with the length of 2-6mm, 0.4-0.6% defoaming agent, 0.5-1% of preservative, 0.8-1.2% of thickening agent, 14-16% of white cement, 4-6% of cassava gelatinized starch, 10-12% of heavy calcium carbonate, 5-7% of talcum powder and the balance of water. After being subjected to heat and cold circulation for many years in cold regions, the anti-cracking exterior wall putty disclosed by the invention does crack; tests at minus 40 DEG C to 40 DEG C show that the anti-cracking exterior wall putty has a very good anti-cracking effect; after the anti-cracking exterior wall putty is scraped, other overcoat agents do not need to be sprayed; the anti-cracking exterior wall putty is not weathered, does not peel and has high bonding strength.
Description
Technical field
The present invention relates to building material technical field, relate in particular to a kind of anti-cracking outer wall mastic.
Background technology
Along with the fast development of Building Trade in China, putty becomes one of main finishing material in interior exterior wall wall body decoration, and it more and more is subject to the welcome in market with good ornamental, weather resistance, easy construction and the good ratio of performance to price.But along with increasing of quantities, some comparatively general qualitative problems of construction have appearred, wherein application is finished through after a while most serious of all, after 1 year, the phenomenons such as be full of cracks will appear in body of wall, and this not only brings loss to buildings, cause the disadvantages such as infiltration, it is ornamental that coating has been lost, and had a strong impact on the function of architecture and attractive in appearance.
After the common putty of selling in the market drenches with rain and makes moist, the cohesive strength of putty is descended, easy-weathering easily comes off, and particularly when-20 ℃-40 ℃ temperature, recycles twice cracking resistance and weather-proof successful are descended.The retrieval prior art, find CN200610160762.3, CN200610027993.7, CN200510027045.9, CN200510111344.0, several pieces of patents of CN200510071541.4 all relate to anti-crack mastic, these several pieces of patents the preparation from production method on all variant and different, also solved in one aspect separately many above-mentioned common problems.
But in general, above-mentioned patent should have the imperfection part, although the effect of prestressed that has is improved, along with the development of science and technology, the raising that people require still can not be satisfied people's needs; Although the effect of prestressed that has is better, lost other performance of coating.Therefore, these patented technologies are still waiting further improvement.At present, need badly and a kind ofly be issued to the cracking resistance stabilising effect in severe environment, particularly often stand the anti-cracking outer wall mastic of cold-peace thermal cycling at north cold area.
Summary of the invention
The object of the invention is to propose a kind of anti-cracking outer wall mastic, this exterior wall putty stands not ftracture after the cold cycling for many years at cold district, and maintains the traditional performance of putty.
A kind of anti-cracking outer wall mastic, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 15-17%, silicon acrylate elastic emulsion 10-12%, carboxymethyl cellulose 0.5-1%, length is the polyacrylonitrile fibre 2-3% of 2-6mm, defoamer 0.4-0.6%, sanitas 0.5-1%, thickening material 0.8-1.2%, white cement 14-16%, cassava pasted starch 4-6%, water-ground limestone 10-12%, talcum powder 5-7%, surplus is water.
Preferably, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 15.5-16.5%, silicon acrylate elastic emulsion 10.5-11.5%, carboxymethyl cellulose 0.7-0.8%, length is the polyacrylonitrile fibre 2.3-2.7% of 2-6mm, defoamer 0.45-0.55%, sanitas 0.7-0.8%, thickening material 0.9-1.1%, white cement 14.5-15.5%, cassava pasted starch 4.5-5.5%, water-ground limestone 10.5-11.5%, talcum powder 5.5-6.5%, surplus is water.
Most preferably, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 15.5-16.5%, silicon acrylate elastic emulsion 10.5-11.5%, carboxymethyl cellulose 0.7-0.8%, length is the polyacrylonitrile fibre 2.3-2.7% of 2-6mm, defoamer 0.45-0.55%, sanitas 0.7-0.8%, thickening material 0.9-1.1%, white cement 14.5-15.5%, cassava pasted starch 4.5-5.5%, water-ground limestone 10.5-11.5%, talcum powder 5.5-6.5%, surplus is water.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention adopts pure acrylate elastic emulsion and silicon acrylate elastic emulsion as filmogen, by the quality proportioning of the two, so that film-formation result is excellent.The cracking resistance that the polyacrylonitrile fibre of the 2-6mm that adds has improved putty greatly forms, significantly reduce compared to existing technology simultaneously the consumption of white cement, this is because those skilled in the art will know that, white cement causes cracking easily, and add cassava pasted starch partly as tackiness agent, partly substitute white cement, thereby so that the effect of prestressed of putty is excellent.
2, as described above, these components not only improve the resistance to cleavage of putty, polyacrylonitrile fibre and cassava pasted starch help to improve the bonding strength of putty, so that putty is difficult for peeling and peels off, and, the content of each component of the present invention is to determine on the basis of great many of experiments, reaches the synergistic action technique effect between the component.Therefore putty is except having excellent resistance to cleavage, its excellent combination property.
Embodiment
Embodiment one
A kind of anti-cracking outer wall mastic, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 15%, silicon acrylate elastic emulsion 12%, carboxymethyl cellulose 0.5%, length is the polyacrylonitrile fibre 3% of 2-6mm, defoamer 0.4%, sanitas 1%, thickening material 0.8%, white cement 16%, cassava pasted starch 4%, water-ground limestone 12%, talcum powder 5%, surplus is water.
Embodiment two
A kind of anti-cracking outer wall mastic, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 17%, silicon acrylate elastic emulsion 10%, carboxymethyl cellulose 1%, length is the polyacrylonitrile fibre 2% of 2-6mm, defoamer 0.6%, sanitas 0.5%, thickening material 1.2%, white cement 14%, cassava pasted starch 6%, water-ground limestone 10%, talcum powder 7%, surplus is water.
Embodiment three
A kind of anti-cracking outer wall mastic, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 15.5%, silicon acrylate elastic emulsion 11.5%, carboxymethyl cellulose 0.7%, length is the polyacrylonitrile fibre 2.7% of 2-6mm, defoamer 0.45%, sanitas 0.8%, thickening material 0.9%, white cement 15.5%, cassava pasted starch 4.5%, water-ground limestone 11.5%, talcum powder 5.5%, surplus is water.
Embodiment four
A kind of anti-cracking outer wall mastic, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 16.5%, silicon acrylate elastic emulsion 10.5%, carboxymethyl cellulose 0.8%, length is the polyacrylonitrile fibre 2.3% of 2-6mm, defoamer 0.55%, sanitas 0.7%, thickening material 1.1%, white cement 14.5%, cassava pasted starch 5.5%, water-ground limestone 10.5%, talcum powder 6.5%, surplus is water.
Embodiment five
A kind of anti-cracking outer wall mastic, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 16%, silicon acrylate elastic emulsion 11%, carboxymethyl cellulose 0.8%, length is the polyacrylonitrile fibre 2.5% of 2-6mm, defoamer 0.5%, sanitas 0.8%, thickening material 1%, white cement 15%, cassava pasted starch 5%, water-ground limestone 11%, talcum powder 6%, surplus is water.
The present invention adopts pure acrylate elastic emulsion and silicon acrylate elastic emulsion as filmogen, by the quality proportioning of the two, so that film-formation result is excellent.The cracking resistance that the polyacrylonitrile fibre of the 2-6mm that adds has improved putty greatly forms, significantly reduce compared to existing technology simultaneously the consumption of white cement, this is because those skilled in the art will know that, white cement causes cracking easily, and add cassava pasted starch partly as tackiness agent, partly substitute white cement, thereby so that the effect of prestressed of putty is excellent.
As described above, these components not only improve the resistance to cleavage of putty, polyacrylonitrile fibre and cassava pasted starch help to improve the bonding strength of putty, so that putty is difficult for peeling and peels off, and, the content of each component of the present invention is to determine on the basis of great many of experiments, reaches the synergistic action technique effect between the component.Therefore putty is except having excellent resistance to cleavage, its excellent combination property.
This product is tested under-40 ℃ of-40 ℃ of severe environment, and the more common market product of effect of prestressed exceeds 5 times, exceeds 2-3 doubly than the patented product of prior art.This product weathering resistance is fabulous, does not need to spray other cover agent after batch scraping, and is non-efflorescing cementitious, non-scale, and cohesive strength is high.
Claims (3)
1. anti-cracking outer wall mastic, it is characterized in that, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 15-17%, silicon acrylate elastic emulsion 10-12%, carboxymethyl cellulose 0.5-1%, length is the polyacrylonitrile fibre 2-3% of 2-6mm, defoamer 0.4-0.6%, sanitas 0.5-1%, thickening material 0.8-1.2%, white cement 14-16%, cassava pasted starch 4-6%, water-ground limestone 10-12%, talcum powder 5-7%, surplus is water.
2. anti-cracking outer wall mastic as claimed in claim 1, it is characterized in that, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 15.5-16.5%, silicon acrylate elastic emulsion 10.5-11.5%, carboxymethyl cellulose 0.7-0.8%, length is the polyacrylonitrile fibre 2.3-2.7% of 2-6mm, defoamer 0.45-0.55%, sanitas 0.7-0.8%, thickening material 0.9-1.1%, white cement 14.5-15.5%, cassava pasted starch 4.5-5.5%, water-ground limestone 10.5-11.5%, talcum powder 5.5-6.5%, surplus is water.
3. anti-cracking outer wall mastic as claimed in claim 2, it is characterized in that, this exterior wall putty is comprised of following component by weight percentage: pure acrylate elastic emulsion 15.5-16.5%, silicon acrylate elastic emulsion 10.5-11.5%, carboxymethyl cellulose 0.7-0.8%, length is the polyacrylonitrile fibre 2.3-2.7% of 2-6mm, defoamer 0.45-0.55%, sanitas 0.7-0.8%, thickening material 0.9-1.1%, white cement 14.5-15.5%, cassava pasted starch 4.5-5.5%, water-ground limestone 10.5-11.5%, talcum powder 5.5-6.5%, surplus is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310254169 CN103351695A (en) | 2013-06-25 | 2013-06-25 | Anti-cracking exterior wall putty |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310254169 CN103351695A (en) | 2013-06-25 | 2013-06-25 | Anti-cracking exterior wall putty |
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| Publication Number | Publication Date |
|---|---|
| CN103351695A true CN103351695A (en) | 2013-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310254169 Pending CN103351695A (en) | 2013-06-25 | 2013-06-25 | Anti-cracking exterior wall putty |
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| CN (1) | CN103351695A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449167A (en) * | 2014-11-28 | 2015-03-25 | 江门市乔本化学工业有限公司 | Alkaline-resistant anti-cracking paint for exterior wall |
| CN104559415A (en) * | 2015-01-22 | 2015-04-29 | 上海龙珀新型建材有限公司 | Light elastic external wall heat preservation anti-cracking putty |
| CN105566979A (en) * | 2016-02-25 | 2016-05-11 | 张学健 | Paste-shaped exterior wall putty |
| CN108384289A (en) * | 2018-01-23 | 2018-08-10 | 浙江博星化工涂料有限公司 | A kind of coating and preparation method thereof of imitative yellow mud bar crackle metope effect |
-
2013
- 2013-06-25 CN CN 201310254169 patent/CN103351695A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449167A (en) * | 2014-11-28 | 2015-03-25 | 江门市乔本化学工业有限公司 | Alkaline-resistant anti-cracking paint for exterior wall |
| CN104559415A (en) * | 2015-01-22 | 2015-04-29 | 上海龙珀新型建材有限公司 | Light elastic external wall heat preservation anti-cracking putty |
| CN105566979A (en) * | 2016-02-25 | 2016-05-11 | 张学健 | Paste-shaped exterior wall putty |
| CN108384289A (en) * | 2018-01-23 | 2018-08-10 | 浙江博星化工涂料有限公司 | A kind of coating and preparation method thereof of imitative yellow mud bar crackle metope effect |
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Application publication date: 20131016 |