Coating compositions prepared with a sterically hindered...

Details Coating compositions prepared with a sterically hindered... Coating compositions prepared with a sterically hindered...

C - Chemistry, Metallurgy

09

D

C09D 143/04 (2006.01) C09D 201/10 (2006.01)

Patent

CA 2292075

A coating composition having increased block resistance comprising a polymer prepared by emulsion polymerizing at least one ethylenically unsaturated non- carboxy functional monomer, from 0.01 to 2 pphm of a sterically hindered alkoxylated silane monomer, and at least one anionic surfactant, wherein the polymer is crosslinked during film formation. The sterically hindered alkoxylated silane monomer has the structure R1~Si~(OR2)n(R3)3-n wherein R1 is selected from the group consisting of an alkylene, arylene, and aralkylene group; R2 is independently a sterically hindered alkyl group having 3 to 10 carbon atoms in a straight or branched chain configuration; R3 is a monovalent alkyl group having 1 to 10 carbon atoms; and n is an integer of from 1 to 3.

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