Primer compositions

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

400/5325, 400/72

C08L 43/04 (2006.01) C09D 143/04 (2006.01) C09J 143/04 (2006.01)

Patent

CA 1334713

Improved primer compositions comprise A) at least one member of a specified group of ethylenically unsaturated organosilicon compounds containing silicon-bonded alkoxy groups, B) silicone/organic copolymers prepared from esters of ethylenically unsaturated organic acids and organosilicon compounds derived from these acids, C) organohydrogen siloxane curing agents and D) a solvent. The improvement resides in the presence in the solvent of an ethylenically unsaturated alcohol containing from 4 to 6 carbon atoms. The alcohol constitutes at least 50 percent by weight of the solvent.

589600

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