Waterproof and light-fast exterior wall coating and preparation method thereof

An exterior wall coating, light-resistant technology, applied in polyester coatings, coatings, etc., can solve the problems of intolerance to light, affecting the appearance and service life of buildings, cracking, peeling, etc., to achieve good waterproofness and light resistance. performance, ensuring beautiful appearance and service life, and the effect of broad market prospects

Inactive Publication Date: 2017-09-01
FOSHAN LINGXIN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the acrylic exterior wall coatings on the market are not resistant to water and light. After being exposed to the sun and rain, they are prone to cracking and peeling off, causing rainwater to easily seep into the wall and corrode the wall, affecting the appearance of the building. and service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A waterproof and light-resistant exterior wall paint, which is composed of the following raw materials in parts by weight: 150 parts of water-based acrylic emulsion, 60 parts of alkyd resin, 41 parts of vinyl acetate-ethylene copolymer, 16 parts of modified kaolin, and 23 parts of titanium dioxide , 3 parts of isooctyl methacrylate, 2 parts of sphingomyelin, 2 parts of octylphenol polyoxyethylene ether, 1 part of pyridoxal phosphate, 5 parts of sodium hydroxymethyl cellulose, 8 parts of sodium borohydride, vinyl three 3 parts of ethoxysilane, 5 parts of polyvinyl alcohol, 2 parts of rosin glyceride.

[0025] Wherein, the modified kaolin is prepared by the following method: weighing kaolin, putting it into a ball mill, using water as a grinding liquid, and mixing it for 2 hours in a ball mill to obtain a slurry, calcining the slurry at 850°C for 1 hour, and then putting it into a hydrochloric acid solution , ultrasonically treated for 40 minutes, soaked for 4 hours, filt...

Embodiment 2

[0033] A waterproof and light-resistant exterior wall paint, which is composed of the following raw materials in parts by weight: 153 parts of water-based acrylic emulsion, 61 parts of alkyd resin, 42 parts of vinyl acetate-ethylene copolymer, 19 parts of modified kaolin, and 25 parts of titanium dioxide , 5 parts of isooctyl methacrylate, 3 parts of sphingomyelin, 2.2 parts of octylphenol polyoxyethylene ether, 1.3 parts of pyridoxal phosphate, 8 parts of sodium hydroxymethyl cellulose, 11 parts of sodium borohydride, vinyl tri 3.8 parts of ethoxysilane, 6 parts of polyvinyl alcohol, 4 parts of rosin glyceride.

[0034] Wherein, the modified kaolin is prepared by the following method: weighing kaolin, putting it into a ball mill, using water as a grinding liquid, and mixing it in a ball mill for 2 hours to obtain a slurry, calcining the slurry at 860° C. for 1.5 hours, and then putting it into hydrochloric acid solution, ultrasonic treatment for 42min, soaking for 4.5h, filte...

Embodiment 3

[0042] A waterproof and light-resistant exterior wall paint, which is composed of the following raw materials in parts by weight: 155 parts of water-based acrylic emulsion, 63 parts of alkyd resin, 43 parts of vinyl acetate-ethylene copolymer, 18 parts of modified kaolin, and 25 parts of titanium dioxide , 4 parts of isooctyl methacrylate, 3 parts of sphingomyelin, 2.5 parts of octylphenol polyoxyethylene ether, 1.5 parts of pyridoxal phosphate, 7 parts of sodium hydroxymethyl cellulose, 10 parts of sodium borohydride, vinyl tri 3.5 parts of ethoxysilane, 7 parts of polyvinyl alcohol, 4 parts of rosin glyceride.

[0043] Wherein, the modified kaolin is prepared by the following method: weighing kaolin, putting it into a ball mill, using water as a grinding liquid, and ball milling for 2.5 hours to obtain a slurry, calcining the slurry at 870° C. for 1.5 hours, and then putting it into In hydrochloric acid solution, ultrasonic treatment for 45min, soak for 5h, filter, wash with w...

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PUM

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Abstract

The invention discloses a waterproof and light-fast exterior wall coating. The coating is prepared from raw materials in parts by weight as follows: 150-160 parts of a water-borne acrylic emulsion, 60-65 parts of alkyd resin, 41-45 parts of a vinyl acetate-vinyl copolymer, 16-20 parts of modified kaolin, 23-26 parts of titanium dioxide, 3-6 parts of methyl methacrylate isooctyl, 2-5 parts of sphingomyelin, 2-3 parts of octylphenol polyoxyethylene ether, 1-2 parts of pyridoxal phosphate, 5-9 parts of carboxymethyl cellulose sodium, 8-12 parts of sodium borohydride, 3-4 parts of vinyltriethoxysilane, 5-9 parts of polyvinyl alcohol and 2-5 parts of glycerol ester of rosin. The invention further discloses a preparation method of the waterproof and light-fast exterior wall coating. The prepared waterproof and light-fast exterior wall coating has good waterproof performance and light-fast performance and is unlikely to crack and peel, and accordingly, the appearance attractiveness and the service life of buildings are guaranteed.

Description

technical field [0001] The invention relates to the technical field of wall coatings, in particular to a waterproof and light-resistant exterior wall coating and a preparation method thereof. Background technique [0002] Coatings are materials that are coated on the surface of an object and can be well bonded to the base material and form a complete and tough protective film. Wall coatings refer to coatings used on building walls, which play a role of decoration and protection, making the building walls beautiful and tidy, and at the same time protecting the building walls and prolonging their service life. According to the classification of building walls, wall coatings include two major parts: interior wall coatings and exterior wall coatings. Interior wall coatings focus on decoration and environmental protection; exterior wall coatings focus on protection and durability. In addition to its own decorative and protective functions, wall paint is also developing towards ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D167/08C09D131/04C09D7/12
CPCC09D133/00C08K2003/2241C08L2201/08C08L2205/035C08L67/08C08L31/04C08L1/284C08K13/06C08K9/00C08K3/346C08K3/22C08K3/38
Inventor 吴道祥吴道民黄莹张庆全冯奋
Owner FOSHAN LINGXIN INFORMATION TECH CO LTD
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