| abstract |
PROBLEM TO BE SOLVED: To provide a copolymer which imparts stain resistance, water resistance, oil resistance and ultraviolet absorption by being applied to the surface of a resin product or a metal product. And a repeating unit of the general formula [II], and has a number average molecular weight of 2,000 to 2,000. A cinnamic group-containing polysiloxane copolymer (A) having a molecular weight of 000. Embedded image Embedded image [Wherein R 1 and R 4 are hydrogen or methyl, R 2 and R 3 are alkyl, etc., n is 6 to 100, X is phenylene, carbonyloxyalkylene, etc., Y is carbonyloxyalkyleneoxy, etc.] ] |