Novel heat-resistant interior wall coating for buildings

A technology for interior wall coatings and construction, applied in the direction of coating, etc., can solve the problems of poor heat resistance, uneven coating film, no resistance to cracking, etc., and achieve the effect of good heat resistance and smooth coating

Inactive Publication Date: 2015-06-10
HUZHOU ZHONGCHEN CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above technical problems, this application provides a new type of heat-resistant interior wall coating for buildings, which solves the technical problems of the existing heat-resistant interior wall coatings for buildings such as uneven coating film, easy foaming and falling off, poor heat resistance, and no resistance to cracking.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A new type of heat-resistant interior wall paint for buildings, its raw materials are proportioned as follows in parts by weight: 100 parts of polyvinyl alcohol resin; 20 parts of sodium hexametaphosphate; 5 parts of sodium hydroxide; 30 parts of sodium tripolyphosphate; 80 parts of water 10 parts of sodium carboxymethyl cellulose; 5 parts of borax; 5 parts of bentonite; 15 parts of lithopone; 5 parts of tetrahydrofuran; 50 parts of light calcium carbonate; 1 part of butyl acetate; 25 parts of talcum powder; 5 parts of lead sulfate Parts, 2 parts of calcium chloride.

[0014] Put polyvinyl alcohol resin and water into the reactor, and stir to 90°C while heating. After the polyvinyl alcohol resin is completely dissolved, add sodium hexametaphosphate, sodium tripolyphosphate, sodium carboxymethyl cellulose, butyl acetate and Lead sulfate, lower the temperature to 30°C, add alkali to react for 0.8h, add light calcium carbonate and the remaining raw materials, and mix to ob...

Embodiment 2

[0017] A new type of heat-resistant interior wall coating for buildings, its raw materials are proportioned as follows in parts by weight: 100 parts of polyvinyl alcohol resin; 30 parts of sodium hexametaphosphate; 10 parts of sodium hydroxide; 40 parts of sodium tripolyphosphate; 100 parts of water 20 parts of sodium carboxymethylcellulose; 15 parts of borax; 10 parts of bentonite; 25 parts of lithopone; 10 parts of tetrahydrofuran; 60 parts of light calcium carbonate; 2 parts of butyl acetate; 35 parts of talcum powder; 25 parts of lead sulfate parts, 10 parts of calcium chloride.

[0018] Put polyvinyl alcohol resin and water into the reactor, and stir to 100°C while heating. After the polyvinyl alcohol resin is completely dissolved, add sodium hexametaphosphate, sodium tripolyphosphate, sodium carboxymethyl cellulose, butyl acetate and Lead sulfate, lower the temperature to 40°C, add alkali to react for 1.2 hours, add light calcium carbonate and the remaining raw materials...

Embodiment 3

[0021] A new type of heat-resistant interior wall coating for buildings, its raw materials are proportioned as follows in parts by weight: 100 parts of polyvinyl alcohol resin; 25 parts of sodium hexametaphosphate; 7 parts of sodium hydroxide; 35 parts of sodium tripolyphosphate; 90 parts of water 15 parts of sodium carboxymethyl cellulose; 10 parts of borax; 8 parts of bentonite; 20 parts of lithopone; 8 parts of tetrahydrofuran; 55 parts of light calcium carbonate; 1.5 parts of butyl acetate; 30 parts of talcum powder; 15 parts of lead sulfate parts, 6 parts of calcium chloride.

[0022] Put polyvinyl alcohol resin and water into the reactor, and stir to 95°C while heating. After the polyvinyl alcohol resin is completely dissolved, add sodium hexametaphosphate, sodium tripolyphosphate, sodium carboxymethyl cellulose, butyl acetate and Lead sulfate, lower the temperature to 35°C, add alkali to react for 1 hour, add light calcium carbonate and the remaining raw materials, and ...

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PUM

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Abstract

The invention discloses a novel heat-resistant interior wall coating for buildings. The novel heat-resistant interior wall coating comprises the following raw materials in parts by weight: 100 parts of polyvinyl alcohol resin, 20-30 parts of sodium hexametaphosphate, 5-10 parts of alkali, 30-40 parts of sodium tripolyphosphate, 80-100 parts of water, 10-20 parts of sodium carboxymethylcellulose, 5-15 parts of borax, 5-10 parts of bentonite, 15-25 parts of lithopone, 5-10 parts of tetrahydrofuran, 50-60 parts of extender pigment, 1-2 parts of butyl acetate, 25-35 parts of talcum powder, 5-25 parts of lead sulfate and 2-10 parts of calcium chloride; the content of solid in the coating is 30-40%; the adhesion of the coating is 100%; the surface drying time is 0.1-0.5 hour; the coating does not bubble and fall off after being immersed in water for 24 hours; the coating is high in heat resistance; the coating is not sticky and is not cracked for 6 hours at 95 DEG C; the coating is flat and smooth and free of powder falling, can be widely produced and can be used for continuously replacing the existing material.

Description

technical field [0001] The application belongs to the field of coatings, in particular to a novel heat-resistant interior wall coating for buildings. Background technique [0002] Latex paint is an emulsion paint, which can be divided into two categories: polyvinyl acetate emulsion and acrylic emulsion according to different substrates. Latex paint uses water as the diluent. It is a paint that is easy to construct, safe, washable, and has good air permeability. It can be formulated according to different color schemes to produce different colors. Types: Water-based interior wall paint, oil-based interior wall paint, dry powder type interior wall paint, are water-based paints, mainly composed of water, emulsion, pigments, fillers, and additives. And along with popularizing of humanized concept, and the formation of new-style harmonious society, it is very necessary to design a kind of heat-resistant interior wall paint that does not sag and is excellent in heat resistance. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D129/04C09D101/28C09D7/12
CPCC09D129/04C09D7/61C09D7/63C08L1/286C08K13/02C08K3/32C08K2003/324C08K3/346C08K2003/265C08K3/34
Inventor 陆志强
Owner HUZHOU ZHONGCHEN CONSTR
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