CN1031385A - Method for producing coating by bentonite - Google Patents
Method for producing coating by bentonite Download PDFInfo
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- CN1031385A CN1031385A CN 87105610 CN87105610A CN1031385A CN 1031385 A CN1031385 A CN 1031385A CN 87105610 CN87105610 CN 87105610 CN 87105610 A CN87105610 A CN 87105610A CN 1031385 A CN1031385 A CN 1031385A
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- coating
- wilkinite
- bentonite
- water
- water resistance
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Abstract
The invention uses the inorganic mineral calcium bentonite as the base material, uses the wollastonite, the talcum powder and the light calcium carbonate as the fillers, and produces the novel waterproof building coating through mixing, grinding, dispersing and recombining, and the novel waterproof building coating has water resistance and water resistance. After the bentonite slurry is mixed with the polyvinyl alcohol solution, the bentonite is changed from hydrophilic to hydrophobic, the water resistance is enhanced, the physical adsorption mode of a common coating is changed into an ion adsorption mode, the scrubbing resistance of the coating is enhanced, meanwhile, various technical indexes of the coating are improved, and particularly, the water resistance, the scrubbing resistance and the covering power are high, and the precipitation dispersion rate is low.
Description
The present invention is a kind of production method of building coating.Building coating with present method is produced is widely used in whitewashing of all kinds of buildings inner, external walls and ground.
The like product of domestic production at present is a binding agent with polyvinyl alcohol mostly, be equipped with light calcium carbonate, titanium dioxide, zinc sulfide white, chalk powder, organic compound such as thickening material are made base-material, filler brushing film forming, complete processing is many, and stirring, sand mill are played thin production to mix, and its product is as " 106 " coating and " 803 " coating etc., all exist shortcomings such as easy dry linting and water-repellancy difference, and washability, opacifying power is lower, precipitated and separated rate height.
The objective of the invention is to utilize wilkinite production water-repellancy, brushing resistance, opacifying power all high, and the low method for producing coating of precipitated and separated rate.
It is base-material that the present invention is to use organic compound polyvinyl alcohol and natural inorganic mineral raw material calcium-base bentonite, is that filler adds chemical assistant through mixing, grind, disperse, reconfigure the new waterproof building coating of producing with wollastonite powder, talcum powder, light calcium carbonate.It is characterized in that utilizing bentonitic cohesiveness, adsorptivity and pulping performance are improved the suspension and the stability of coating.Wilkinite with can strengthen the anti-water and the water tolerance of filming after organism combines.Because bentonite slurry is with after polyvinyl alcohol solution mixes, wilkinite becomes hydrophobicly by hydrophilic, has strengthened water repelling property.The filler of simultaneously electronegative energy adsorption zone positive charge, the physical adsorption way that has changed general coating is the ionic adsorption mode, thereby has strengthened the brushing resistance of coating.The every technical indicator that makes coating simultaneously also improves thereupon, especially water-repellancy, brushing resistance, and the equal height of opacifying power is better than " 106 " and " 803 " coating.And the precipitated and separated rate is very low.
The raw mineral materials wilkinite that the present invention uses, its major ingredient is a ca-montmorillonite, and contains a spot of kaolinite and illite, smectite content height in the wilkinite, the pulping performance is good, makes the coating thickness, strong covering power.Wilkinite in coating except that making membrane-forming agent, the effect of stablizer and suspension agent of having held concurrently.Be easily to play powder after the coating drying of main stuffing with lime carbonate, and wilkinite can adsorb calcium ion with ionic condition,, make that coating is not peeled, dry linting not even losing moisture content also can combine closely.
The building coating that the present invention produced is characterized in that strong covering power, and consumption is few.In same construction, with " 106 ", 1 kilogram of coating brushing of " 803 " coating, 3～3.5m
2, use the coating that the present invention produced to brush 4～4.5m for 1 kilogram
2On consumption, reduce 28%, reduce cost 12～16%.Because the coating water-proof that the present invention produced is good, can be in the undried metope brushing of new construction, so shortened the construction period.
The XB-808 series waterproof architectural coating and " 106 " of the same type, " 803 " the coating technology performance comparison table that use the present invention to produce:
Technical process of the present invention: (1) adds the polyethylene alcohol and water in the reactor, and (2) are started stirrer and stirred, and logical steam is warming up to 60～100 ℃ gradually, and keeps this temperature 1 hour, stops to stir, and it is standby to emit cool back.(3) wilkinite is soaked, made it fully moistening.(4) wilkinite after will soaking is put into colloidal mill, starts colloidal mill then, and it is standby to make soil paste be dispersed into dense thick pasty state colloid.(5) solution and molten slurry are packed in proportion agitation vat adds wollastonite powder simultaneously respectively, and other raw materials such as light calcium carbonate, talcum powder dispersion agent, whitening agent, defoamer stir.(6) work in-process are squeezed in the colloidal mill ground, disperse, reconfigure.(7) sampling check, the finished product barrelling.
Use raw material of the present invention and prescription in the trial production of Hanzhong, Shaanxi Province mineral application experiment factory, achieve success, its product is up to the standards through paint quality supervision and inspection station, Shaanxi Province, and passes through " No. 05, Shan building materials mirror word " provincial technical evaluation on May 9th, 1987.
The material of example 1, interior wall coating is formed (pressing mass percent)
Polyvinyl alcohol solution 50% (polyvinyl alcohol: water is 1: 14.5)
Bentonite slurry 28% (wilkinite: moisture 1: 1～3.0)
Wollastonite powder 4%
Light calcium carbonate 18～20%
Talcum powder 1%
Water glass 1%
Defoamer, whitening agent, sanitas, mould inhibitor, other subsidiary material such as pigment are an amount of.
The material of example 2, exterior coating is formed (percentage ratio by weight)
Polyvinyl alcohol solution 50%(polyvinyl alcohol: water 1: 10+ chemical assistant
1∶14.5
30%）
20%
Bentonite slurry 28%(wilkinite: water is 1: 1.0～3.0)
Wollastonite powder 4%
Light calcium carbonate 18～20%
Talcum powder 1%
Water glass 1%
Defoamer, pigment etc. are an amount of
The material of example 3, floor coating is formed (by weight percentage)
Polyvinyl alcohol solution 45～48%(polyvinyl alcohol: water=1: 8+ chemistry
Auxiliary agent)
Bentonite slurry 25%(wilkinite: water=1: 1.0～3.0)
Wollastonite powder 8%
Talcum powder 6%
Mica powder 5%
Water glass 1%
※ mineral dye+water 10%(or fine particle calcium carbonate 7～10%)
Sodium sulfate, Sodium hexametaphosphate 99, phthalic acid dibutylester, defoamer, organic mill base pigment etc. are an amount of.
In with three prescription production processes, the every technical indicator of coating all reaches requirement.Water-repellancy, brushing resistance, opacifying power height, precipitated and separated rate are low.With the coating of the present invention's production, the starting material source is abundant simultaneously, and cost is low, and technical process is simple, easy construction.
Claims (4)
1, the present invention is a kind of novel method of producing building coating, it is characterized in that using raw material and natural calcium base bentonite to be base-material, with wollastonite powder, talcum powder, light calcium carbonate is the new waterproof building coating that filler is produced, has adsorptivity, wear resistance, water-fast, water resisting property also help the physicochemical property that improves product simultaneously.
2, production coating method according to claim 1.It is characterized in that cohesiveness, adsorptivity and the pulping performance of using wilkinite to have improve the suspension and the stability of coating.
3, the method for production coating according to claim 1 is characterized in that wilkinite combines with organism, has changed the physical adsorption way of general coating, makes it to become the ionic adsorption mode, has strengthened the brushing resistance of coating.
4, production coating method according to claim 1 is characterized in that using the raw mineral materials wilkinite, and its major ingredient is that ca-montmorillonite pulping performance is good, make the coating thickness, opacifying power strengthens, and loses moisture content and also can combine closely, and making films does not peel, dry linting not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87105610 CN1014797B (en) | 1987-08-21 | 1987-08-21 | Method for producing paint with calcium-based bentonite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87105610 CN1014797B (en) | 1987-08-21 | 1987-08-21 | Method for producing paint with calcium-based bentonite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1031385A true CN1031385A (en) | 1989-03-01 |
| CN1014797B CN1014797B (en) | 1991-11-20 |
Family
ID=4815386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87105610 Expired CN1014797B (en) | 1987-08-21 | 1987-08-21 | Method for producing paint with calcium-based bentonite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1014797B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031487A (en) * | 2014-06-19 | 2014-09-10 | 吴江华诚复合材料科技有限公司 | Moisture-proof wall paint |
| CN104151958A (en) * | 2014-08-29 | 2014-11-19 | 苏州圣谱拉新材料科技有限公司 | Bentonite paint |
| CN108645747A (en) * | 2018-06-15 | 2018-10-12 | 中国建筑科学研究院有限公司 | Method for measuring adsorption performance of machine-made sandstone powder |
| CN109486295A (en) * | 2018-10-31 | 2019-03-19 | 广东华矿新材料有限公司 | A kind of Diatomite mineral paint and preparation method thereof |
-
1987
- 1987-08-21 CN CN 87105610 patent/CN1014797B/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031487A (en) * | 2014-06-19 | 2014-09-10 | 吴江华诚复合材料科技有限公司 | Moisture-proof wall paint |
| CN104031487B (en) * | 2014-06-19 | 2016-03-30 | 吴江华诚复合材料科技有限公司 | A kind of damp-proofing wall coating materials |
| CN104151958A (en) * | 2014-08-29 | 2014-11-19 | 苏州圣谱拉新材料科技有限公司 | Bentonite paint |
| CN108645747A (en) * | 2018-06-15 | 2018-10-12 | 中国建筑科学研究院有限公司 | Method for measuring adsorption performance of machine-made sandstone powder |
| CN108645747B (en) * | 2018-06-15 | 2021-02-09 | 中国建筑科学研究院有限公司 | Method for measuring adsorption performance of machine-made sandstone powder |
| CN109486295A (en) * | 2018-10-31 | 2019-03-19 | 广东华矿新材料有限公司 | A kind of Diatomite mineral paint and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1014797B (en) | 1991-11-20 |
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