C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5323
C08L 33/04 (2006.01) C08G 81/02 (2006.01) C08K 5/06 (2006.01) C08K 5/54 (2006.01) C08L 71/02 (2006.01)
Patent
CA 1307070
K08-50099C/SI/88 ABSTRACT OF THE DISCLOSURE A curable composition. The composition contain (A) a copolymer that has silicon-containing functional groups capable of crosslinking by forming siloxane bonds and whose molecular chain consists substantially of: (1) an alkyl acrylate ester monomeric unit and/or an alkyl methacrylate ester monomeric unit, the alkyl of each being 1 to 8 carbon atoms; and (2) an alkyl acrylate ester monomeric unit and/or an alkyl methacrylate ester monomeric unit, the alkyl of each being at least 10 carbon atoms; (B) an oxyalkylene polymer having silicon- containing functional groups that are capable of crosslinking by forming siloxane bonds; and (C) at least one compound selected from (i) a hydrolyzable organic silane monomer represented by the formula (I): R14-nSiXn wherein X is a hydrolyzable group, R1 is a monovalent organic group having 1 to 18 carbon atoms, n is an integer of 1 to 4, and each R1 or X can be the same or different when two or more R1 or X groups are attached, (ii) a partial hydrolysis condensate of the organic silane monomer represented by the formula (I), and (iii) an orthoorganic acid ester represented by the formula (II): R2C(OR3)3 wherein R2 is hydrogen or methyl, R3 is a monovalent organic group having 1 to 8 carbon atoms, and the three R3 groups do not need to be the same. The composition has superior mechanical properties, transparency, storage stability and weather resistance.
565283
Isayama Katsuhiko
Wakabayashi Hiroshi
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Riches Mckenzie & Herbert Llp
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