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Novel water resistant interior wall coating for building

A technology for interior wall paint and construction, applied in the field of paint, can solve the problems of poor heat resistance, easy foaming, easy sagging, etc., and achieve the effect of smooth appearance

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] Aiming at the above technical problems, this application provides a new type of water-resistant interior wall coating for buildings, which solves the technical problems of existing water-resistant interior wall coatings for buildings such as easy foaming, falling off, poor heat resistance, and easy sagging.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A new type of water-resistant interior wall paint for buildings, its raw materials are proportioned as follows in parts by weight: 100 parts of potato flour; 20 parts of formaldehyde; 10 parts of sodium hydroxide; 15 parts of sodium hexametaphosphate; 30 parts of sulfuric acid; tributyl phosphate 35 parts; 70 parts of water; 10 parts of ethanol; 20 parts of titanium dioxide; 25 parts of magnesium chloride; 40 parts of castor oil; 5 parts of tetrahydrofuran; 60 parts of light calcium carbonate; 30 parts of barium chloride; 40 parts of talc; 20 parts of sodium dinaphthalene sulfonate.

[0014] Put the potato powder and water into the reactor, stir to 90°C while heating, add formaldehyde, sulfuric acid, ethanol, barium chloride and sodium methylene bis-naphthalene sulfonate after the potato powder is completely dissolved, cool down to 30°C, add Sodium hydroxide was reacted for 0.8h, titanium dioxide, light calcium carbonate and remaining raw materials were added, and the f...

Embodiment 2

[0017] A new type of water-resistant interior wall coating for buildings, its raw materials are proportioned as follows in parts by weight: 100 parts of potato flour; 30 parts of formaldehyde; 20 parts of sodium hydroxide; 25 parts of sodium hexametaphosphate; 40 parts of sulfuric acid; tributyl phosphate 45 parts; 80 parts of water; 20 parts of ethanol; 40 parts of titanium dioxide; 35 parts of magnesium chloride; 50 parts of castor oil; 10 parts of tetrahydrofuran; 80 parts of light calcium carbonate; 40 parts of barium chloride; 50 parts of sodium dinaphthalene sulfonate.

[0018] Put the potato powder and water into the reactor, stir to 100°C while heating, add formaldehyde, sulfuric acid, ethanol, barium chloride and sodium methylene bis-naphthalene sulfonate after the potato powder is completely dissolved, cool down to 40°C, add Sodium hydroxide was reacted for 1.2 hours, titanium dioxide, light calcium carbonate and remaining raw materials were added, and the finished p...

Embodiment 3

[0021] A new type of water-resistant interior wall paint for buildings, its raw materials are proportioned as follows in parts by weight: 100 parts of potato flour; 25 parts of formaldehyde; 15 parts of sodium hydroxide; 20 parts of sodium hexametaphosphate; 35 parts of sulfuric acid; tributyl phosphate 40 parts; water 75 parts; ethanol 15 parts; titanium dioxide 30 parts; magnesium chloride 30 parts; castor oil 45 parts; tetrahydrofuran 8 parts; light calcium carbonate 70 parts; barium chloride 35 parts; talcum powder 50 parts; methylene 35 parts of sodium dinaphthalene sulfonate.

[0022] Put potato powder and water into the reactor, stir to 95°C while heating, add formaldehyde, sulfuric acid, ethanol, barium chloride and sodium methylene bis-naphthalene sulfonate after the potato powder is completely dissolved, cool down to 35°C, add Sodium hydroxide was reacted for 1 hour, titanium dioxide, light calcium carbonate and remaining raw materials were added, and the finished pr...

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Abstract

The invention discloses a novel water resistant interior wall coating for a building. The novel water resistant interior wall coating for the building is prepared from the following raw materials in parts by weight: 100 parts of sweet potato powder, 20-30 parts of formaldehyde, 10-20 parts of sodium hydroxide, 15-25 parts of sodium hexametaphosphate, 30-40 parts of sulfuric acid, 35-45 parts of tributyl phosphate, 70-80 parts of water, 10-20 parts of ethanol, 20-40 parts of a color pigment, 25-35 parts of magnesium chloride, 40-50 parts of castor oil, 5-10 parts of tetrahydrofuran, 60-80 parts of a extender pigment, 30-40 parts of barium chloride, 40-60 parts of talc and 20-50 parts of sodium methylene bis-naphthalene sulfonate. According to the novel water resistant interior wall coating for the building disclosed by the invention, the product solid content is 35-40 percent, and the fineness is 40-60 microns; the surface drying time is 0.6-1h, the novel water resistant interior wall coating does not have the phenomena of bubbling and powder removal after being soaked in water for 24h, is brushed without sagging, does not have the phenomena of tackiness and cracking at the temperature of 90 DEG C for 5h, has the viscosity to be 40-60s and the adhesion to be 100 percent, is smooth in appearance of a coating and can be widely produced and used for continuously replacing the traditional materials.

Description

technical field [0001] The application belongs to the field of coatings, in particular to a novel water-resistant interior wall coating for buildings. Background technique [0002] Interior wall paint is latex paint for general decoration. 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. Interior wall coatings include liquid coatings and powder coatings. Common latex paints and wall paints are liquid coatings. The ingredients of interior wall paint are bas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D103/02C09D7/12
CPCC08K2003/2241C09D103/02C09D7/61C09D7/63C08L91/00C08K13/02C08K3/22C08K3/32C08K5/521C08K2003/166C08K2003/265C08K3/34
Inventor 陆志强
Owner HUZHOU ZHONGCHEN CONSTR
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