Process for the preparation of a rubber having polymer bound fun

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

1990-08-02

1991-12-17

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

526214, 524742, C08K 536

Patent

active

050735926

ABSTRACT:
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.

REFERENCES:
patent: 4521574 (1985-06-01), Patterson et al.

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