Method of producing ABS polyblends having a low residual monomer

Details Method of producing ABS polyblends having a low residual monomer Method of producing ABS polyblends having a low residual monomer

1975-04-02

1976-11-09

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08L 906

Patent

active

039911365

ABSTRACT:
An improved process for preparing ABS polyblends, the steps comprising, polymerizing a polymerizable mixture of a monomer formulation and a diene rubber forming a grafted copolymer and a matrix interpolymer, the improvement comprising, polymerizing said monomer formulation to at least about 90% conversion, charging a third monomer and further polymerizing said monomer formulation in the presence of said third monomer to convert essentially all of said monomer formulation to interpolymer followed by recovering said polyblend having a low residual monomer content.

REFERENCES:
patent: 3448175 (1969-06-01), Doak
patent: 3463833 (1969-08-01), Isogawa
patent: 3515774 (1970-06-01), Lee
patent: 3627855 (1971-12-01), Schott
patent: 3657391 (1972-04-01), Curfman
patent: 3671607 (1972-06-01), Lee

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