CN101508550B - Attapulgite inner wall cement paint - Google Patents

Abstract

The invention discloses a cement paint for interior walls of attapulgite. The key point of the technical proposal is that the cement paint for interior walls of attapulgite comprises purified attapulgite, white Portland cement, polyvinyl alcohol ultrafines, anatase titanium dioxide, droxyethylcellulose, a solid silicone defoaming agent and a fluorescent brightener VBL. The manufacturing method ofthe cement paint for interior walls of attapulgite comprises mixing, crashing, grinding and packaging the finished product of the cement paint for interior walls of attapulgite. The cement paint for interior walls of attapulgite is characterized by super strong adhesive force, fast-drying and firm paint film, humidity resistance, wash resistance, anti-mildew and antibacterial property and high hiding power, etc. The cement paint for interior walls of attapulgite is safe without poison and pollution and the product quality accords with the standard of GB 18582-2008 Decorating and Refurbishing Materials-Limit of Harmful Substances of Interior Architectural Coatings. In addition, the cement paint for interior walls of attapulgite is applicable to the protection and decoration of interior wall surfaces and ceilings of the building structure.

Description

Attapulgite inner wall cement paint

Technical field

The present invention relates to coating, be specifically related to a kind of attapulgite inner wall cement paint.

Background technology

Inner wall cement paint directly is coated on the internal surface of buildings or structures, and is more close with people's life or work relationship.The decorative effect of inner wall cement paint, the feel of filming, planeness and color, texture etc. can be subjected to people's more concern, inner wall cement paint can produce bigger influence to indoor environment, should have suitable ventilation property and water absorbability, airtight fully, nonhygroscopic filming can be caused the dewfall of metope, is unfavorable for the improvement of indoor environment and the raising of and comfortable for living.Can not contain poisonous, objectionable impurities in the inner wall cement paint, otherwise can work the mischief environment and health; Inner wall cement paint must have suitable water tolerance, alkali resistance and scrub resistance.

Chinese patent publication number CN 1035672, open day is on September 20th, 1989, name is called " swelled ground powder coating ", discloses " a kind of swelled ground powder coating that is used for the house inner wall surface decoration.Be characterized in the wilkinite being main raw material, production cost is low, and anti-xerotripsis is good, dry linting not, and manufacture method is simple and be easy to packed and transported.”

The weak point of above-mentioned patent is that to select wilkinite in this technology for use be main raw material, and normal association has impurity such as quartz, feldspar, zeolite, gypsum, calcite, pyrite, ferric oxide mineral and landwaste in the wilkinite, and bentonitic chemical ingredients of the mineral pair of these associations and processing performance influence are bigger, bentonitic colloid viscosity, dispersiveness and the suspension property 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 inner wall cement paint is provided.

Attapulgite inner wall cement paint is made up of Concavo-convex stick after purifying, white portland cement, polyvinyl alcohol ultrafine powder, anatase thpe white powder, Natvosol, SOLID ORGANIC silicon defoaming agent and fluorescent whitening agent VBL.

The production method of attapulgite inner wall cement paint is: batching, pulverizing, abrasive dust, be packaged as the finished product of attapulgite inner 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 inner wall cement paint, can avoid interior 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 inner wall cement paint, prevents to produce efflorescence, chap and peel off behind the coating application.

Anatase thpe white powder has excellent water dispersible and remarkable optical property, form and aspect stability, size-grade distribution is good, behind the adding attapulgite inner wall cement paint, characteristics with high gloss, high reducing power, high covering power help producing the colour inner wall cement paint of various different colours.

Natvosol can play thickening, bonding, emulsification, dispersion, stabilization in attapulgite inner wall cement paint, and can keep moisture content, forms film and keeps stable colloidal property.

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.

Fluorescent whitening agent VBL is used to improve the whitening effect of attapulgite inner wall cement paint.

The present invention is achieved by following technical proposals:

1, the batching of attapulgite inner wall cement paint is made up of following component by weight percentage: Concavo-convex stick after purifying 35～60%, white portland cement 25～55%, polyvinyl alcohol ultrafine powder 0.5～10%, anatase thpe white powder 0.1～5%, Natvosol 0.1～5%, SOLID ORGANIC silicon defoaming agent 0.01～2% and fluorescent whitening agent VBL 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 inner wall cement paint is: after the batch mixes with attapulgite inner 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 inner wall cement paint less than 0.015 millimeter.

Using method: attapulgite inner wall cement paint is put into container, added water infiltration 5～30 minutes, the ratio of attapulgite inner wall cement paint and water is 1: 1.5～1: 5, through after stirring, just can spray or brush.

Attapulgite inner wall cement paint uses Concavo-convex stick after purifying and white portland cement to be main raw material, polyvinyl alcohol ultrafine powder and Natvosol are subsidiary material, after water infiltration is added in the working-yard, under stirring, external force forms stable not stratified gelinite fast, therefore, attapulgite inner wall cement paint can not produce precipitation, attapulgite inner wall cement paint good leveling property, not shedding, sagging, ageing-resistant not.

Attapulgite inner wall cement paint has that superpower sticking power, dried coating film are fast and firm, humidity, scrubbing resistance, antimildew and antibacterial, high covering power and help characteristics such as site operation.

The attapulgite inner wall cement paint safety non-toxic, pollution-free, quality product meets " limits of harmful substances in the GB 18582-2008 indoor decorating material interior wall coating " standard.

Attapulgite inner wall cement paint is a white standard paint, can directly mix colours and produce the colo(u)r coating of various different colours.

Attapulgite inner wall cement paint is applicable to the protection and the decoration of metope, smallpox etc. in the fabric structure.

Embodiment

The invention will be further described below in conjunction with embodiment:

1, the batching of attapulgite inner wall cement paint is made up of following component by weight percentage: Concavo-convex stick after purifying 44%, white portland cement 42%, polyvinyl alcohol ultrafine powder 8%, anatase thpe white powder 3%, Natvosol 2.5%, SOLID ORGANIC silicon defoaming agent 0.3% and fluorescent whitening agent VBL 0.2%.

2, the production method of attapulgite inner wall cement paint is: after the batch mixes with attapulgite inner 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 inner wall cement paint less than 0.015 millimeter.

Claims (2)

1. attapulgite inner wall cement paint, it is characterized in that the batching of attapulgite inner wall cement paint is made up of following component by weight percentage: Concavo-convex stick after purifying 35～60%, white portland cement 25～55%, polyvinyl alcohol ultrafine powder 0.5～10%, anatase thpe white powder 0.1～5%, Natvosol 0.1～5%, SOLID ORGANIC silicon defoaming agent 0.01～2% and fluorescent whitening agent VBL 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 inner wall cement paint according to claim 1, it is characterized in that, after the batch mixes with attapulgite inner 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 inner wall cement paint less than 0.015 millimeter.