Process for preparing .alpha.-methylstyrene-acrylonitrile polyme

Details Process for preparing .alpha.-methylstyrene-acrylonitrile polyme Process for preparing .alpha.-methylstyrene-acrylonitrile polyme

1987-05-22

1989-10-17

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526272, 5263292, 5263293, 526342, C08F21212, C08F22044

Patent

active

048748293

ABSTRACT:
A method of forming polymers containing .alpha.-methylstyrene and acrylonitrile by polymerizing, preferably continuously, under off-azeotrope conditions to vastly improve rate without substantially changing the content of .alpha.-methylstyrene in the polymer being formed from that obtained under azeotrope conditions.

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patent: 4755576 (1988-07-01), Zabrocki et al.
patent: 4795780 (1989-01-01), Wingler et al.

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