Process for the preparation of a rubber having polymer bound...

Details Process for the preparation of a rubber having polymer bound... Process for the preparation of a rubber having polymer bound...

C - Chemistry, Metallurgy

08

F

402/397

C08F 2/24 (2006.01) C08F 236/04 (2006.01)

Patent

CA 2036763

Abstract of the Disclosure PROCESS FOR THE PREPARATION OF A RUBBER HAVING POLYMER BOUND FUNCTIONALITY The present invention relates to a process for preparing a rubber containing polymer bound antidegradants. The process comprises the aqueous emulsion polymerization of (a) at least one functionalized monomer that contains an antidegradant moiety and a polymerizable vinyl group; with (b) at least one copolymerizable conjugated diene monomer, wherein the polymerization is conducted in the presence of from about 1 to about 70 parts by weight of an ester based on 100 parts by weight of total monomers. The ester functions as a synergist for the antidegradant, as a cosolvent/dispersing agent for the antidegradant during emulsion polymerization and as a plasticizer for the final polymer product.

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