A kind of anti-aging waterproof architectural coating and preparation method thereof
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An architectural coating and anti-aging technology, applied in the field of coating technical materials, can solve the problems of insignificant improvement in performance, poor anti-blocking resistance of paint film, poor wear resistance, etc., and achieve the effect of improving light aging resistance and good antibacterial performance.
Active Publication Date: 2018-11-02
HUNAN XIANFENG BUILDING MATERIAL
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[0007] At present, the amount of acrylate elastic emulsion used as water-based wood coating is increasing day by day. Since acrylic emulsion is free radical polymerization, the molecular structure formed is linear, so the wood paint made of it has poor abrasion resistance and paint film resistance. Disadvantages of poor adhesion
In recent years, many researchers have carried out a lot of research work to further improve the performance of acrylate emulsions. The more common method is to introduce cross-linking monomers. At present, most of the emulsions on the market use acrylamide as a cross-linking agent. Introduced, played a certain cross-linking effect, but did not change the linear structure of the acrylic emulsion, so the performance improvement is not obvious
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Embodiment 1
[0033] Weigh each raw material (parts by weight): 40 parts of acrylate emulsion, 8 parts of polyvinyl alcohol, 6 parts of 2-methoxy-4-methylphenol, 10 parts of ethylene glycol, 4 parts of ethylene-vinyl acetate copolymer emulsion , 6 parts of titanium dioxide, 2 parts of sodium lauryl sulfonate, 0.4 part of simethicone, 2 parts of propylene glycol methyl ether acetate, 0.5 part of antibacterial agent, and 0.5 part of ultraviolet light absorber.
[0034] The ultraviolet absorber consists of 0.25 parts of 2,2'-dihydroxy-4,4'-dimethoxybenzophenone-5,5'-disulfonic acid and 0.25 parts of 2,5-dihydroxy- 4-Methoxybenzophenone is obtained by mixing evenly.
[0035] The antibacterial agent is obtained by uniformly mixing 0.25 parts of 1,3-diiodo-5,5-dimethylhydantoin and 0.25 parts of 3-bromo-5,5-dimethylhydantoin.
[0039] The anti-aging waterproof architectural coating was prepared according to the raw material ratio and method of Example 1, except that the antibacterial agent was 0.5 part of 1,3-diiodo-5,5-dimethylhydantoin. Obtain the anti-aging waterproof architectural coating of embodiment 2.
Embodiment 3
[0041] The anti-aging waterproof architectural coating was prepared according to the raw material ratio and method of Example 1, except that the antibacterial agent was 0.5 parts of 3-bromo-5,5-dimethylhydantoin. Obtain the anti-aging waterproof architectural coating of embodiment 3.
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Abstract
The invention discloses an antiaging waterproof building paint and a preparation method thereof. The antiaging water-resistant architectural paint is prepared from the following raw materials in parts by weight: 35-50 parts of acrylate emulsion, 5-15 parts of polyvinyl alcohol, 5-10 parts of 2-methoxy-4-methylphenol, 5-15 parts of ethylene glycol, 3-8 parts of ethylene-vinyl acetate copolymer emulsion, 5-10 parts of titanium dioxide, 1-3 parts of sodium dodecylsulfate, 0.1-1 part of dimethyl silicone oil, 1-5 parts of propylene glycol methyl ether acetate, 0.1-1.0 part of antimicrobial agent and 0.1-1.0 part of ultraviolet absorbent. The types and consumptions of the ultraviolet absorbent and antimicrobial agent suitable for the external wall paint are selected according to reasonable proportioning, thereby enhancing the illumination aging resistance; and the paint has favorable antimicrobial property.
Description
technical field [0001] The invention relates to the field of paint technical materials, in particular to an anti-aging waterproof architectural paint and a preparation method thereof. Background technique [0002] Paint is a material that can be well bonded to the base material and form a complete and tough protective film on the surface of an object, called a paint. Paint and paint are the same concept. Paint is a customary name that people have used for a long time. After it was introduced into my country, it has been used in the construction industry. The role of coatings can be summarized into three aspects: protection, decoration, and special functions. The general composition of coatings: including film-forming substances, pigments and fillers, solvents, and additives. [0003] Architectural coatings have the functions of decoration, protection and habitability improvement. The proportions of various functions vary depending on the purpose of use. The decorative f...
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