Water-based paint composition and coating article
A water-based paint and composition technology, applied in the field of coated articles and water-based paint compositions, can solve the problem of oily dirt being unable to obtain sufficient anti-fouling properties, etc., and achieve excellent anti-fouling and decontamination properties, excellent water and oil repellency. Effect
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[0182] Hereinafter, the present invention will be described concretely with reference to examples, comparative examples, and test examples. However, these descriptions do not limit the present invention.
[0183] Hereinafter, unless otherwise specified, parts or % represent parts by weight or % by weight.
[0184] The properties were determined as follows.
[0185] polymer stability
[0186] The aqueous dispersion prepared in the production example was left to stand at room temperature for one week, and the stability was visually evaluated.
[0187]
[0188] Antifouling test
[0189] The antifouling test was carried out with reference to ASTM (American Society for Testing and Materials: American Society for Testing and Materials standard) D6758-00 and JG / T304-2011. Dirt was attached to the sample-coated PET film using water-based whiteboard pens (ZEBRA blue and red) and oil-based markers (Sharpie blue and black). After 10 minutes, wipe with various wiping methods i...
manufacture example 1
[0196] In a 500ml reaction flask, make CF 3 CF 2 -(CF 2 CF 2 ) n -CH 2 CH 2 OCOCH=CH 2 (n=2.0) (C6SFA) 15g, methyl methacrylate 28g, butyl acrylate 22g, hydroxyethyl acrylate 27g, methacrylic acid 3g, methacrylate-3-chloro-2-hydroxypropyl 0.5g, glycerin 0.5 g of methacrylate was dissolved in 150 g of 2-propanol, and after nitrogen substitution in the reaction flask, a solution of 0.4 g of azobisisobutyronitrile and 9 g of water was added, heated to 80° C., and reacted for 20 hours. Then, neutralization was performed, 150 g of pure water was added, and 2-propanol was distilled off at 60 degreeC with stirring, and the aqueous dispersion liquid was obtained. The solid content was adjusted to 40%, and the composition of the polymer was basically the same as that of the loaded monomer.
manufacture example 2
[0198] Add 150 g of pure water, 3 g of alkyl sulfonate, and 3.0 g of polyoxyethylene alkyl ether into a 500 ml reaction flask, and after nitrogen substitution, add 2,2-azobis(2-amidinopropane) dihydrochloride A solution of 0.4g of salt and 9g of water, heated to 80°C, mixed slowly and dropwise added CF 3 CF 2 -(CF 2 CF 2 ) n -CH 2 CH 2 OCOCH=CH 2 (n=2.0) 5 g of (C6SFA), 32 g of methyl methacrylate, 37 g of butyl acrylate, 21 g of hydroxyethyl acrylate, and 3 g of methacrylic acid. After completion of the dropwise addition, it was allowed to react for 20 hours to obtain an aqueous dispersion. The solid content was adjusted to 40%, and the composition of the polymer was basically the same as that of the loaded monomer.
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