| abstract |
PROBLEM TO BE SOLVED: To provide a resin composition for water-based paints which can greatly improve the weather resistance without deteriorating the appearance of the coating film such as stain resistance and gloss, and without using a complicated production method. (A) Water-soluble and / or water-dispersible resin, (B) Organosilane represented by general formula (1) and / or its hydrolysis condensate Si (R 2 ) n (OR 1 ) 4− n (1) (Wherein R 1 is the same or different and the alkyl group having 1 to 4 carbon atoms, R 2 is the same or different, a substituted and unsubstituted organic group having 2 to 8 carbon atoms, n = 1 or 2), (C) A resin composition for water-based paints containing a curing catalyst that promotes hydrolysis / condensation reaction of alkoxysilyl groups. [Selection figure] None |