Water-repellent film-forming composition

Details Water-repellent film-forming composition Water-repellent film-forming composition

C - Chemistry, Metallurgy

09

D

117/185, 117/205

C09D 133/16 (2006.01) C08L 33/16 (2006.01) C08L 43/04 (2006.01) C09D 143/04 (2006.01)

Patent

CA 1336929

A water-repellent film-forming composition comprising [A] a polymer selected from the group consist- ing of (a) a (co)polymer composed of 5 to 100 % by weight of a fluoroalkyl group-containing (meth)acrylic monomer represented by the following general formula (I) Image (I) wherein R1 represents a hydrogen atom or a methyl group, ? is an integer of 1 to 11, and Rf represents -CmF2m+1 or -CnF2nH in which m is an integer of 1 to 20 and n is an integer of 1 to 20, and 0 to 95 % by weight of an un- saturated monomer copolymerizable with the fluoroalkyl group-containing (meth)acrylic monomer, (b) a copolymer composed of 0.1 to 75 % by weight of a silicon-containing polymerizable unsaturated monomer represented by the following general formula (II) Image (II) wherein R2 represents a hydrogen atom or a methyl group, and R3 represents a group of the formula Image in which j is an integer of 0 or 1, k is an integer of 0 to 6, p is an integer of 1 to 5, q is an integer of 1 to 20, r is an integer of 0 to 2, s is an integer of 1 to 3, and r + s=3, and 25 to 99.9 % by weight of an unsaturated monomer copolymerizable with the silicon-containing polymerizable unsaturated monomer, and (c) a mixture of the (co)polymer (a) and the copolymer (b), and [B] a particulate material having an average particle diameter of not more than 5 micrometers.

603881

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