Ultraviolet light absorbing agents and compositions and...

Details Ultraviolet light absorbing agents and compositions and... Ultraviolet light absorbing agents and compositions and...

C - Chemistry, Metallurgy

07

F

117/143, 31/164,

C07F 7/10 (2006.01) C07F 7/18 (2006.01) C08K 5/5475 (2006.01) C09D 183/04 (2006.01)

Patent

CA 1161056

ABSTRACT OF THE DISCLOSURE There are provided ultraviolet light absorbing agents of the formula Image wherein: X is Image ; Y is H or OH; Z is H, OH, OQ or OW, where at least one Z is OH if Y is H; Q is -CONH (CH2)3Si(R2)X(OR1)y or - CONH(CH2)3Si(R2)x(OCOR1)y; and W is -CmH2m+1; where x = O, 1 or 2, y = 1, 2 or 3, x + y = 3, R1 and R2, independently, are each alkyl Having 1 to 6 carbon atoms and m = 1 to 18. Also provided are organopolysiloxane protective coating compositions containing said ultraviolet light absorbing agents having unique utility for protecting transparent plastic articles.

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