CN102531498A - Powdery anti-cracking elastic coating and production method thereof - Google Patents
Powdery anti-cracking elastic coating and production method thereof Download PDFInfo
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- CN102531498A CN102531498A CN2012100003903A CN201210000390A CN102531498A CN 102531498 A CN102531498 A CN 102531498A CN 2012100003903 A CN2012100003903 A CN 2012100003903A CN 201210000390 A CN201210000390 A CN 201210000390A CN 102531498 A CN102531498 A CN 102531498A
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Abstract
The invention discloses a powdery anti-cracking elastic coating and a production method thereof, which relate to the technical field of the coating and building materials. According to the specified proportion, the powdery anti-cracking elastic coating is prepared from the following raw materials of kaolin, talc powder, triple superphosphate, quartz powder, white cement and rubber powder. The raw materials are mixed, stirred, filtered and dried under the specified condition to obtain a finished product. The product disclosed by the invention has the advantages of high whiteness and long service life, is firm and crack-proof and is convenient to package and transport.
Description
Technical field
The present invention relates to the coating building materials technology field, particularly relate to a kind of powdery anticracking elastic coating that is used to whitewash metope.
Background technology
In the prior art, the common coating that people's decorated wall surface is used is not firm, whiteness is low, be prone to split the distortion of rising, and uses and transport because of being paste inconvenience.
The chemical composition analysis that the present invention relates to is following:
Kaolin: the pure kaolin of matter have whiteness height, matter soft, be prone to dispersion suspension in water, good plasticity-and high cohesiveness, excellent electric insulation performance; Have good antiacid dissolubility, very low cation exchange capacity, physico-chemical property such as resistivity against fire preferably.Therefore kaolin has become tens necessary raw mineral materialss of industry such as papermaking, pottery, rubber, chemical industry, coating, medicine and national defence.Kaolin in application in papermaking industry very extensively.Mainly contain two fields, one is the filler that in papermaking (or claiming to copy paper) process, uses, and another is the pigment that in the surface coated process, uses.
Talcum powder: be the powder of white or off-white color, fine, no grittiness, hand has been touched greasy feeling, and odorless is tasteless, in water, the acid of rare ore deposit or rare alkali hydroxide solution, does not all dissolve.Can do medicinal.Have oilness, anti-stick, help stream, resistivity against fire, resistance to acid, insulativity, fusing point height, chemical torpescence, opacifying power well, good physics, chemical property such as softness, good luster, adsorptive power be strong.
Dicalcium powder: white powder, colourless, tasteless.Stable in the air.Water-soluble hardly, be insoluble to alcohol.Meet dilute acetic acid, Hydrogen chloride, rare nitric acid generation intumescence, and dissolving.Being heated to 898 ℃ begins to decompose and defends quicklime and carbonic acid gas.Water-ground limestone is called for short coarse whiting, is to be ground and formed by natural carbonate mineral such as calcite, marble, Wingdale.Be the powdery mineral filler of using always, have chemical purity height, inertia big, be difficult for chemical reaction, Heat stability is good, can not decompose below 400 ℃, whiteness is high, oil absorbency is low, refractive index is low, matter is soft, dry, do not contain crystal water, hardness is hanged down advantages such as wear(ing)value is little, nontoxic, tasteless, odorless, good dispersivity.Common dicalcium powder, superfine heavy calcium carbonate, wet grinding calcium carbonate superfine powder, the ultra-fine surface-treated water-ground limestone of different grain size requirement can be provided as required.
Silica powder: claim silicon powder again.Silica powder is a kind of mineral of hard, wear-resisting, stable chemical performance, and its essential mineral composition is quartzy, and its main chemical compositions is SiO
2, the color of silica sand is an oyster white or colourless translucent, hardness 7, and the crisp no cleavage of property, conchoidal fracture, oily luster, density is 2.65, tap density (the 20-200 order is 1.5), its chemistry, calorifics and mechanical property have tangible anisotropy, are insoluble to acid.The quartzite that goes out from mining is after processing, and the general product of granularity on 120 mesh sieves claimed silica sand.The product of crossing 120 mesh sieves is called silica powder.
White cement: the abbreviation of white portland cement, burn to partial melting with the raw material of proper composition, the Calucium Silicate powder that is able to is a staple, the poor grog of irony adds an amount of gypsum, the levigate white hydraulic cementing materials of processing.When grinding cement, allow to add the Wingdale that is no more than cement weight 5%.Mostly white cement is ornamental usefulness, and its ME will be got well much than Portland cement.Mainly be used for the slit of ditch ceramic whiteware sheet generally being not used in metope, reason is exactly that intensity is not high.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of powdery anticracking elastic coating and working method thereof are provided, this powdery anticracking elastic coating whiteness is high, the life-span is long, cost is low, can conveniently carry out packed and transported and use.
Technical scheme of the present invention is following:
Powdery anticracking elastic coating of the present invention is processed by following raw materials by weight percent: kaolin 30～45%, talcum powder 15～25%, dicalcium powder 5～15%, silica powder 5～15%, white cement 5～15% and rubber powder 1～3%.
Powdery anticracking elastic coating of the present invention, the preferred feedstock weight percent is: kaolin 35～40%, talcum powder 20～25%, dicalcium powder 10～15%, silica powder 10～15%, white cement 10～15% and rubber powder 1～3%.
Powdery anticracking elastic coating of the present invention, most preferably raw material weight per-cent is: kaolin 40%, talcum powder 20%, dicalcium powder 15%, silica powder 12%, white cement 10% and rubber powder 3%.
The working method of powdery anticracking elastic coating of the present invention comprises following process step:
(1) gets kaolin, talcum powder, dicalcium powder, silica powder, white cement and rubber powder by weight percentage as raw material, be not less than in envrionment temperature under 15 ℃ the condition, place stirred pot to mix 30～40 minutes above raw material;
(2) be that 300～400 filter sieve filters with the mixture that stirs through the order number;
(3) mixture after will filtering is placed in the dryer and dries, and causing water cut is 2～10%, gets product.
A kind of powdery anticracking of the present invention elastic coating has whiteness height, firm, difficult drop-off, and the advantage of being convenient to packed and transported.
Embodiment
Below in conjunction with embodiment the present invention is elaborated, but not only for so:
Embodiment one: preparation powdery anticracking elastic coating
(1) gets kaolin 40 ㎏, talcum powder 20 ㎏, dicalcium powder 15 ㎏, silica powder 12 ㎏, white cement 10 ㎏ and rubber powder 3 ㎏, under the condition of 20 ℃ of envrionment temperatures, place stirred pot to mix 40 minutes in above mixture;
(2) mixture, is filtered the order number in being 400 filter sieve;
(3) mixture after will filtering is placed in the dryer and dries, and causes water cut and is lower than 5%, gets product.
Embodiment two: preparation powdery anticracking elastic coating
(1) gets kaolin 45 ㎏, talcum powder 24 ㎏, dicalcium powder 10 ㎏, silica powder 10 ㎏, white cement 10 ㎏, rubber powder 1 ㎏, under the condition of 25 ℃ of envrionment temperatures, place stirred pot to mix 40 minutes in above mixture;
(2) mixture, is filtered the order number in being 400 filter sieve;
(3) mixture after will filtering is placed in the dryer and dries, and causes water cut and is lower than 5%, gets product.
Embodiment three: preparation powdery anticracking elastic coating
(1) gets kaolin 42 ㎏, talcum powder 20 ㎏, dicalcium powder 13 ㎏, silica powder 12 ㎏, white cement 10 ㎏, rubber powder 3 ㎏, under the condition of 18 ℃ of envrionment temperatures, place stirred pot to mix 35 minutes in above mixture;
(2) mixture, is filtered the order number in being 350 filter sieve;
(3) mixture after will filtering is placed in the dryer and dries, and causes water cut and is lower than 5%, gets product.
Product of the present invention is dispersion medium with water, does not nontoxicly fire, and has fine and physical strength, fast drying, is prone to be coated with and scrapes and polish.Execution conditions: more than the envrionment temperature-5 ℃, relative humidity is below 85%.Rain, snow, mist, dust storm are bigger etc., and ugly weather descends to carry out application; Store and transportation: this product should be stored in cool place, the indoor warehouse of exsiccant, and temperature is not less than under 0 ℃ of environment, and be 1 year storage period.By general non-dangerous goods transportation; The user should satisfy the requirement of surface treatment, execution conditions in use; This product can not paint with other, organic solvent etc. used with.
Claims (4)
1. a powdery anticracking elastic coating is characterized in that being processed by following raw materials by weight percent: kaolin 30～45%, talcum powder 15～25%, dicalcium powder 5～15%, silica powder 5～15%, white cement 5～15% and rubber powder 1～3%.
2. powdery anticracking elastic coating according to claim 1 is characterized in that being processed by following raw materials by weight percent: kaolin 35～40%, talcum powder 20～25%, dicalcium powder 10～15%, silica powder 10～15%, white cement 10～15% and rubber powder 1～3%.
3. powdery anticracking elastic coating according to claim 1 and 2 is characterized in that being processed by following raw materials by weight percent: kaolin 40%, talcum powder 20%, dicalcium powder 15%, silica powder 12%, white cement 10% and rubber powder 3%.
4. like the working method of the said powdery anticracking of claim 3 elastic coating, it is characterized in that comprising following process step:
(1) gets kaolin, talcum powder, dicalcium powder, silica powder, white cement and rubber powder by weight percentage as raw material, be not less than in envrionment temperature under 15 ℃ the condition, place stirred pot to mix 30～40 minutes above raw material;
(2) be that 300～400 filter sieve filters with the mixture that stirs through the order number;
(3) mixture after will filtering is placed in the dryer and dries, and causing water cut is 2～10%, gets product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100003903A CN102531498A (en) | 2012-01-04 | 2012-01-04 | Powdery anti-cracking elastic coating and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100003903A CN102531498A (en) | 2012-01-04 | 2012-01-04 | Powdery anti-cracking elastic coating and production method thereof |
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| CN102531498A true CN102531498A (en) | 2012-07-04 |
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| CN2012100003903A Pending CN102531498A (en) | 2012-01-04 | 2012-01-04 | Powdery anti-cracking elastic coating and production method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1686912A (en) * | 2005-04-04 | 2005-10-26 | 上海龙洲新型建材有限公司 | Method for manufacturing inflexible and flexible composite waterproof material based on macromolecule cement |
| CN101633573A (en) * | 2009-08-14 | 2010-01-27 | 武汉广益工程咨询有限公司 | Water-emulsion organic silicon composited acrylic acid modified asphalt cement-base waterproof coating and preparation method thereof |
| US7655710B2 (en) * | 2002-05-22 | 2010-02-02 | Basf Construction Polymers Gmbh | Use of water-soluble polymers as auxiliary drying agents for the production of polymer dispersing agents |
| CN102153949A (en) * | 2011-01-30 | 2011-08-17 | 上海三瑞化学有限公司 | As-cast finish concrete simulated coating |
-
2012
- 2012-01-04 CN CN2012100003903A patent/CN102531498A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7655710B2 (en) * | 2002-05-22 | 2010-02-02 | Basf Construction Polymers Gmbh | Use of water-soluble polymers as auxiliary drying agents for the production of polymer dispersing agents |
| CN1686912A (en) * | 2005-04-04 | 2005-10-26 | 上海龙洲新型建材有限公司 | Method for manufacturing inflexible and flexible composite waterproof material based on macromolecule cement |
| CN101633573A (en) * | 2009-08-14 | 2010-01-27 | 武汉广益工程咨询有限公司 | Water-emulsion organic silicon composited acrylic acid modified asphalt cement-base waterproof coating and preparation method thereof |
| CN102153949A (en) * | 2011-01-30 | 2011-08-17 | 上海三瑞化学有限公司 | As-cast finish concrete simulated coating |
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Application publication date: 20120704 |