Process for the preparation of a thermoplastic polymer

Details Process for the preparation of a thermoplastic polymer Process for the preparation of a thermoplastic polymer

1986-10-15

1988-09-20

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526225, 526233, 526234, 526272, C08F 200

Patent

active

047726717

ABSTRACT:
A process for the preparation of a thermoplastic polymer on the basis of an alkenyl-aromatic monomer and an unsaturated dicarboxylic acid comprises the addition of 10 to 100 ppm relative to the polymer wt. % of an acid during polymerization. Suitable acids that can be applied are carboxylic acids, and sulphur- and /or phosphorus-containing acids or their mixtures.

REFERENCES:
patent: 2980653 (1961-04-01), Johnson
patent: 3794616 (1974-02-01), Denis et al.
patent: 4180637 (1979-12-01), Evani et al.
patent: 4450261 (1984-05-01), Chiao et al.

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