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

1993-04-21

1994-02-08

Bleutge, John C.

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...

524723, 524773, 524776, C08K 549

Patent

active

052849066

ABSTRACT:
The present invention relates to a process for preparing a rubber containing polymer bound functionalities. The process comprises the emulsion polymerization at a temperature ranging from about 0.degree. C. to about 25.degree. C. of (a) at least one functionalized monomer that contains a polymerizable vinyl group; with (b) at least one copolymerizable conjugated diene monomer selected from the group consisting of butadiene 1,3, 2-chlorobutadiene-1,3, isoprene, piperylene and conjugated hexadienes; wherein the polymerization is conducted in the presence of from (1) from 2 to 30 parts by weight of an ionic surfactant per 100 parts by weight of organic components and (2) about 1 to about 70 parts by weight of a plasticizer based on 100 parts by weight of total monomers. Other than the water, ionic surfactant, and the copolymerizable conjugated diene, the plasticizer functions as the sole solvent agent for the functionalized monomer during the emulsion polymerization and additionally functions as a plasticizer for the final polymer product.

REFERENCES:
patent: 3950294 (1976-04-01), Connelly et al.
patent: 4701507 (1987-10-01), Mate et al.

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