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Anti-fouling and crack-resistant waterborne paint for interior wall

A water-based paint and interior wall technology, applied in the direction of antifouling/underwater paint, polyester paint, natural rubber paint, etc., can solve the problem of poor bonding between water-based paint and interior wall substrate, poor antifouling performance of water-based paint, and substrate bonding Insufficient and other problems, to improve the effect of decoration and protection, facilitate spraying and film formation, increase the porosity and adsorption of zeolite

Inactive Publication Date: 2018-12-28
含山县金中环装饰材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Water-based coatings use water-soluble resins as film-forming materials. Water-based coatings use water as a solvent, which saves a lot of resources. Water-based coatings eliminate the risk of fire during construction, reduce air pollution, and are environmentally friendly. However, water-based coatings are harmful to the construction process. And the surface cleanliness of the material is high, and the dirt is easy to cause shrinkage of the coating film, so that it is not firmly combined with the substrate. With the improvement of people's living standards and the enhancement of environmental protection awareness, water-based coatings for interior walls are more and more popular. Welcome, but the water-based paints currently sold in the market are of various brands and qualities, and have poor water resistance. They dry quickly after contact with water and are prone to cracks.
[0003] The existing patent document CN 108034343 A discloses an anti-fouling water-based paint, which has good anti-fouling performance, but when used for interior walls, the combination of the water-based paint and the interior wall substrate is not firm enough, and it is easy to fall off. Patent document CN108342154 A discloses an anti-cracking water-based paint, which can effectively prevent cracks in the water-based paint, but the water-based paint has poor antifouling performance when used for interior walls, and it is difficult to remove after staining

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] An anti-fouling and anti-cracking interior wall water-based paint, made of the following raw materials in parts by weight: acrylic resin 37, alkyd resin 31, natural latex 15, hydroxypropyl methylcellulose 14, modified nano-zeolite 4, nano-di Silicon oxide 1.3, γ-(2,3-glycidoxy)propyltrimethoxysilane 0.6, nano silver 0.2, graphene 0.11, deionized water 60.

[0020] For the modified nano-zeolite, crush the zeolite to 80~mesh, then evenly add water equal to the weight of the zeolite, mix evenly, take it out after freezing for 40 hours, heat it in vacuum to 430°C for 30min, and the heating rate is 4°C / min. Naturally cool down to 170°C, evenly add 30% sodium carbonate solution of zeolite weight, the concentration is 1.4g / L, keep warm for 10min, ball mill until the particle size is 30nm, increase the porosity and adsorption of zeolite, and avoid using when there is dust on the outer wall base Brushing the water-based paint makes pinholes remain, improves the compactness and s...

Embodiment 2

[0028] An anti-fouling and anti-cracking interior wall water-based paint, made of the following raw materials in parts by weight: acrylic resin 38, alkyd resin 32, natural latex 16, hydroxypropyl methylcellulose 15, modified nano-zeolite 5, nano-di Silicon oxide 1.4, γ-(2,3-glycidoxy)propyltrimethoxysilane 0.7, nano silver 0.3, graphene 0.12, deionized water 63.

[0029] For the modified nano zeolite, crush the zeolite to 80 mesh, then evenly add water equal to the weight of the zeolite, mix evenly, take it out after freezing for 45 hours, heat it in vacuum to 440°C for 35min, and the heating rate is 4.5°C / min. Cool down to 180°C, evenly add 35% zeolite weight sodium carbonate solution with a concentration of 1.6g / L, keep warm for 15 minutes, and ball mill until the particle size is 35nm, so as to increase the porosity and adsorption of zeolite, and avoid the water-based surface when there is dust on the outer wall base Brushing the paint makes pinholes remain, improves the co...

Embodiment 3

[0037] An anti-fouling and anti-cracking interior wall water-based paint, made of the following raw materials in parts by weight: acrylic resin 39, alkyd resin 33, natural latex 17, hydroxypropyl methylcellulose 16, modified nano-zeolite 6, nano-di Silicon oxide 1.5, γ-(2,3-glycidoxy)propyltrimethoxysilane 0.8, nano silver 0.4, graphene 0.13, deionized water 65.

[0038] For the modified nano-zeolite, crush the zeolite to 100 mesh, then evenly add water equal to the weight of the zeolite, mix evenly, take it out after freezing for 48 hours, heat it in vacuum to 450°C for 40min, and the heating rate is 5°C / min. Cool down to 190°C, evenly add sodium carbonate solution with 40% zeolite weight, the concentration is 1.8g / L, keep warm for 20min, and ball mill until the particle size is 40nm, so as to increase the porosity and adsorption of zeolite, and avoid the water-based when there is dust on the outer wall base. Brushing the paint makes pinholes remain, improves the compactness ...

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Abstract

The invention mainly relates to the technical field of waterborne paint processing and discloses anti-fouling and crack-resistant waterborne paint for an interior wall. The paint is prepared from thefollowing raw materials: 37-39 parts of acrylic resin, 31-33 parts of alkyd resin, 15-17 parts of natural latex, 14-16 parts of hydroxypropyl methyl cellulose, 4-6 parts of modified nano-zeolite, 1.3-1.5 parts of nano-silica, 0.6-0.8 part of 3-methacryloxypropyltrimethoxysilane, 0.2-0.4 part of nano-silver, 0.11-0.13 part of graphene and 60-65 parts of deionized water. The anti-fouling and crack-resistant waterborne paint for the interior wall can be tightly bound with the interior wall, prevents fouling effectively and is bacteria-resistant and bacteriostatic, cracking caused by rapid dryingof the waterborne paint is prevented, and practicability of the waterborne paint for the interior wall is improved; the acrylic resin and the alkyd resin are mixed and then heated and stirred slowly,raw material grafting can be promoted, strength and flexibility of the waterborne paint can be improved, the waterborne paint can be tightly bound with the interior wall, and falling off is prevented.

Description

technical field [0001] The invention mainly relates to the technical field of film processing, in particular to an anti-fouling and anti-cracking interior wall water-based paint. Background technique [0002] Water-based coatings use water-soluble resins as film-forming materials. Water-based coatings use water as a solvent, which saves a lot of resources. Water-based coatings eliminate the risk of fire during construction, reduce air pollution, and are environmentally friendly. However, water-based coatings are harmful to the construction process. And the surface cleanliness of the material is high, and the dirt is easy to cause shrinkage of the coating film, so that it is not firmly combined with the substrate. With the improvement of people's living standards and the enhancement of environmental protection awareness, water-based coatings for interior walls are more and more popular. However, there are various brands and qualities of water-based coatings currently on the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D167/08C09D101/28C09D107/02C09D7/61C09D7/62C09D7/63C09D5/16C09D5/14B05D7/26B05D1/02
CPCC09D133/00B05D1/02B05D7/26C08K2003/0806C08K2201/011C08L2205/035C09D5/14C09D5/1687C08L67/08C08L1/284C08L7/02C08K13/06C08K9/02C08K3/34C08K3/36C08K3/08C08K3/042C08K5/5435
Inventor 郭坤
Owner 含山县金中环装饰材料有限公司
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