Emulsion pressure-sensitive adhesive polymers exhibiting...

Details Emulsion pressure-sensitive adhesive polymers exhibiting... Emulsion pressure-sensitive adhesive polymers exhibiting...

C - Chemistry, Metallurgy

08

F

C08F 222/10 (2006.01) C08F 2/22 (2006.01) C08F 218/04 (2006.01) C08F 220/12 (2006.01) C08F 220/18 (2006.01) C09J 133/08 (2006.01)

Patent

CA 2044169

There is provided inherently tacky, emulsion pressure-sensitive adhesive polymers comprising about 35 to about 65 percent by weight alkyl acrylates, about 15 to about 35 percent vinyl esters, about 20 to about 35 percent by weight diesters of a dicarbox- ylic acid, and up to about 5 percent by weight of an unsaturated carboxylic acid. There is preferably included in the monomers a reactive surfactant and a chelating monomer, with or without a chain transfer agent. The preferred polymers have a glass trans- ition temperature less than about -30ÀC and a gel content of about 50 to 70 percent by weight.

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