Vinyl aromatic polymerization process

Details Vinyl aromatic polymerization process Vinyl aromatic polymerization process

1978-05-23

1980-02-05

Hamrock, William F.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C08F27902

Patent

active

041872614

ABSTRACT:
Limiting final conversion of monomer to polymer in a multiple stage, vinyl aromatic-rubber mass polymerization system to about 50 to about 89 percent produces a polymer with increased impact strength and decreases residence time, thereby increasing the production capacity of the system.

REFERENCES:
patent: 3658946 (1972-04-01), Bronstert et al.
patent: 3903200 (1975-09-01), Cincera et al.
patent: 3903202 (1975-09-01), Carter et al.
patent: 3945976 (1976-03-01), McCurdy
patent: 4011284 (1977-03-01), Gawne et al.

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