CN101585683B - Attapulgite exterior wall cement paint - Google Patents
Attapulgite exterior wall cement paint Download PDFInfo
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- CN101585683B CN101585683B CN2009100262978A CN200910026297A CN101585683B CN 101585683 B CN101585683 B CN 101585683B CN 2009100262978 A CN2009100262978 A CN 2009100262978A CN 200910026297 A CN200910026297 A CN 200910026297A CN 101585683 B CN101585683 B CN 101585683B
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Abstract
The invention discloses attapulgite exterior wall cement paint. The key point of the technical proposal of the invention is that the attapulgite exterior wall cement paint consists of purified attapulgite, white portland cement, polyvinyl alcohol ultrafines, hydroxypropyl methylcellulose, rutile type titanium dioxide and a solid silicone antifoam agent. The method for producing the attapulgite exterior wall cement paint comprises the steps of material mixing, crashing, grinding into powder and packaging to obtain a finished product of the attapulgite exterior wall cement paint. The attapulgiteexterior wall cement paint takes the purified attapulgite and the white portland cement as main raw materials and takes the polyvinyl alcohol ultrafines and the hydroxypropyl methylcellulose as ancil lary materials; and after the materials are soaked by adding water at a construction site, a stable and non-layered gel is rapidly formed under the agitation by external force; the attapulgite exterior wall cement paint has the characteristics of super strong adhesive force, rapidly drying and firm coating film, wet rubbing resistance, high covering power, good weather resistance, difficult chalk after being exposed to the sun and rain, favorable site operation and the like; and the attapulgite exterior wall cement paint is applicable to building decoration.
Description
Technical field
The present invention relates to coating, be specifically related to a kind of attapulgite exterior wall cement paint.
Background technology
Exterior coating is the coating variety of consumption maximum in the building coating, owing to directly be in the atmospheric environment, begin from the construction film forming, coating will stand the photo-thermal in the atmosphere, the effect of factors such as ozone, make molecule that degraded or crosslinked take place, thereby make that coating causes cracking easily, comes off, efflorescence and fading.
Therefore, exterior coating will have water repelling property, abrasion resistance, stain resistance, freeze-thaw resistance and ultraviolet radiation resisting preferably.
Chinese patent Granted publication CN 1304503, Granted publication day is on March 14th, 2007, name is called " a kind of waterproof wall paint and preparation method thereof ", disclose that " a kind of waterproof wall paint is made by the following weight proportion raw material: polyvinyl alcohol 5～15, water 50～100,0.4% (weight) sodium tetraborate solution 1～2, sodium bentonite 5～10, grey calcium powder 20～35, white cement 10～20, SKANEM-8 mould inhibitor 0.1～0.5, ATROSOL250 thickening material 0.1～0.25.”
The weak point of above-mentioned patent is that to select polyvinyl alcohol in this technology for use be main raw material, polyvinyl alcohol need be added in the reactor, adds entry then, stirs, and heating water temperature to 90～100 ℃ make that polyvinyl alcohol dissolves fully in the reactor; Adding sodium bentonite, grey calcium powder, white cement again stirs ... the its preparation method more complicated, white cement stirs for a long time in glue and grinds, to reduce its intrinsic quality greatly, and the clay mineral of association there are illite, kaolinite, halloysite, chlorite, malthacite and some interstratified clay minerals in the sodium bentonite.The chemical ingredients of the mineral pair sodium bentonite of these associations and processing performance influence are bigger, and colloid viscosity, dispersiveness and the suspension property of the sodium bentonite of process purification are all not poor, therefore can have influence on the quality product of coating.
Summary of the invention
The objective of the invention is to overcome weak point in the prior art, a kind of attapulgite exterior wall cement paint is provided.
Attapulgite exterior wall cement paint is made up of Concavo-convex stick after purifying, white portland cement, polyvinyl alcohol ultrafine powder, Vltra tears, Rutile type Titanium Dioxide and SOLID ORGANIC silicon defoaming agent.
The production method of attapulgite exterior wall cement paint is: batching, pulverizing, abrasive dust, be packaged as the finished product of attapulgite exterior wall cement paint.
Attapulgite clay is a kind of nanometer porous fibrous silicate clay mineral of Shuifu County's magnesium that contains, and when Attapulgite content 〉=80% in the attapulgite clay was above, its specific surface area was bigger, can reach 500m
2More than/the g.Use " Attapulgite wet beneficiation craft ", the screening of mineral such as the hydromica in the attapulgite clay, quartz, opal and carbonate is got rid of, obtain a kind of Concavo-convex stick after purifying.
Attapulgite clay soil property exquisiteness, smooth surface, quality is lighter, is viscosity and plasticity-when moist, and its viscosity can reach more than the 3000mPas, helps the bonding between the raw material; The attapulgite clay drying shrinkage is little, and do not produce be full of cracks, can improve the sticking power of interior wall coating to building wall, Concavo-convex stick after purifying adds in the coating solution, forms stable not stratified gelinite under external force stirs fast, and viscosity and thixotropy are preferably arranged, the Photomicrograph that attapulgite clay coating is filmed shows, its crystal is netted arrangement, is evenly distributed in the coating, so the film coated surface wear resisting property is good.
Attapulgite clay has the selection adsorptive power, as polar molecule water, ammonia, methyl alcohol, ethanol, aldehyde, ketone, alkene, hydrocarbon etc. can be absorbed by access opening, then can not enter the duct to non-polar molecule such as oxygen etc., utilize this characterization of adsorption, formaldehyde and volatile organic matter in the energy absorbed air purify air.
White portland cement has the pure white exquisiteness of color and luster, intensity height, sticking power is good and the anti-greatly rimose characteristics of cohesive force, can strengthen the later strength of attapulgite exterior wall cement paint, can avoid exterior wall to produce and return white phenomenon.
The polyvinyl alcohol ultrafine powder has good cold water instant dissolving, excellent film-forming properties, stronger cementability and perviousness, can improve the sticking power and the crocking resistance of attapulgite exterior wall cement paint, prevents to produce efflorescence, chap and peel off behind the coating application.
Vltra tears has good thickening and water-retentivity, being used for attapulgite exterior wall cement paint can fully mix with other batching preferably, be dissolved in water when helping constructing and do not condense, can make fine and smooth, the not shedding of coating light, improve flow leveling.
Rutile type Titanium Dioxide has the strong characteristics of opacifying power, reducing power and flowing property, is the basis white pigment of building coating, and aspects such as ornamental, the weathering resistance of coating, chemical-resistant stability are played keying action, is specially adapted to exterior coating.
The SOLID ORGANIC silicon defoaming agent is to form by multiple components such as modified polyorganosiloxane, hydroxy silicon oil are composite, and outward appearance is the white powder solid particulate, have easy to use, advantage such as storing is convenient, be not afraid of high temperature and severe cold, is not subjected to environment, temperature effect, and is not perishable.
The present invention is achieved by following technical proposals:
1, the batching of attapulgite exterior wall cement paint is made up of following component by weight percentage: Concavo-convex stick after purifying 35～60%, white portland cement 35～55%, polyvinyl alcohol ultrafine powder 0.5～10%, Vltra tears 0.1～5%, Rutile type Titanium Dioxide 0.1～5%, SOLID ORGANIC silicon defoaming agent 0.01～2%.
Described Concavo-convex stick after purifying is: the wet beneficiation craft that uses Attapulgite, the Attapulgite ore deposit mixture that will contain earth impurity, import in the hydrolytic tank after crushed, soak after 24 hours, dash with high-pressure pump and to turn over, and the sieve of the drum by making with stainless steel steel wire sieve removes the impurity more than 1 millimeter, send in the acclive settling tank, continuation is dashed with high-pressure pump and is turned over, after 12 hours, because the proportion in Attapulgite ore deposit is lighter, its the superiors in whole throw out draws this part Attapulgite ore deposit with slush pump and sends in the flat settling tank, emits unnecessary water after 15 hours, through 2-3 days seasoning, take out this part Attapulgite and be Concavo-convex stick after purifying;
Above-mentioned technology is to adopt " the Attapulgite wet beneficiation craft " in application on September 18th, 2003 by the inventor, and the Chinese patent Granted publication number is: CN1224463, Granted publication day: on October 26th, 2005.
2, the production method of attapulgite exterior wall cement paint is: after the batch mixes with attapulgite exterior wall cement paint, pulverize in the input pulverizer, particle fineness after the pulverizing is less than 0.250 millimeter, carry out abrasive dust in the mixture input superfine mill after will pulverizing again, particle fineness behind the abrasive dust is packaged as the finished product of attapulgite exterior wall cement paint less than 0.015 millimeter.
Using method: attapulgite exterior wall cement paint is put into container, added water infiltration 5～30 minutes, the ratio of attapulgite exterior wall cement paint and water is 1: 1.5～1: 5, through after stirring, just can spray or brush.
Attapulgite exterior wall cement paint uses Concavo-convex stick after purifying and white portland cement to be main raw material, polyvinyl alcohol ultrafine powder and Vltra tears are subsidiary material, after water infiltration is added in the working-yard, under stirring, external force forms stable not stratified gelinite fast, therefore, attapulgite exterior wall cement paint can not produce precipitation, attapulgite exterior wall cement paint good leveling property, not shedding, sagging, ageing-resistant not.
Attapulgite exterior wall cement paint has that superpower sticking power, dried coating film are fast and firm, moisture-proof wiping, high covering power, weathering resistance are good, is difficult for efflorescence through exposing to the sun and rain and helps characteristics such as site operation.
Attapulgite exterior wall cement paint is a white standard paint, the colored cement lacquer that can directly mix colours and produce various different colours.
Attapulgite exterior wall cement paint is applicable to the decorating building finishing.
Embodiment
The invention will be further described below in conjunction with embodiment:
1, the batching of attapulgite exterior wall cement paint is made up of following component by weight percentage: Concavo-convex stick after purifying 48%, white portland cement 42%, polyvinyl alcohol ultrafine powder 6%, Vltra tears 2%, Rutile type Titanium Dioxide 1.7%, SOLID ORGANIC silicon defoaming agent 0.3%.
2, the production method of attapulgite exterior wall cement paint is: after the batch mixes with attapulgite exterior wall cement paint, pulverize in the input pulverizer, particle fineness after the pulverizing is less than 0.250 millimeter, carry out abrasive dust in the mixture input superfine mill after will pulverizing again, particle fineness behind the abrasive dust is packaged as the finished product of attapulgite exterior wall cement paint less than 0.015 millimeter.
Claims (2)
1. attapulgite exterior wall cement paint, it is characterized in that the batching of attapulgite exterior wall cement paint is made up of following component by weight percentage: Concavo-convex stick after purifying 35～60%, white portland cement 35～55%, polyvinyl alcohol ultrafine powder 0.5～10%, Vltra tears 0.1～5%, Rutile type Titanium Dioxide 0.1～5%, SOLID ORGANIC silicon defoaming agent 0.01～2%;
Described Concavo-convex stick after purifying is: the wet beneficiation craft that uses Attapulgite, the Attapulgite ore deposit mixture that will contain earth impurity, import in the hydrolytic tank after crushed, soak after 24 hours, dash with high-pressure pump and to turn over, and the sieve of the drum by making with stainless steel steel wire sieve removes the impurity more than 1 millimeter, send in the acclive settling tank, continuation is dashed with high-pressure pump and is turned over, after 12 hours, because the proportion in Attapulgite ore deposit is lighter, its the superiors in whole throw out draws this part Attapulgite ore deposit with slush pump and sends in the flat settling tank, emits unnecessary water after 15 hours, through 2-3 days seasoning, take out this part Attapulgite and be Concavo-convex stick after purifying.
2. the production method of attapulgite exterior wall cement paint according to claim 1, it is characterized in that, after the batch mixes with attapulgite exterior wall cement paint, pulverize in the input pulverizer, particle fineness after the pulverizing is less than 0.250 millimeter, carry out abrasive dust in the mixture input superfine mill after will pulverizing again, the particle fineness behind the abrasive dust is packaged as the finished product of attapulgite exterior wall cement paint less than 0.015 millimeter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100262978A CN101585683B (en) | 2009-03-27 | 2009-03-27 | Attapulgite exterior wall cement paint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100262978A CN101585683B (en) | 2009-03-27 | 2009-03-27 | Attapulgite exterior wall cement paint |
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| CN101585683A CN101585683A (en) | 2009-11-25 |
| CN101585683B true CN101585683B (en) | 2011-08-24 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632010A (en) * | 2004-11-23 | 2005-06-29 | 中国建筑材料科学研究院 | Decoration paint with air-purifying, sterilization and dampness adjusting function for internal wall |
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- 2009-03-27 CN CN2009100262978A patent/CN101585683B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1632010A (en) * | 2004-11-23 | 2005-06-29 | 中国建筑材料科学研究院 | Decoration paint with air-purifying, sterilization and dampness adjusting function for internal wall |
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| CN101585683A (en) | 2009-11-25 |
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