Process for the preparation of copolyphosphonates of high notche

Details Process for the preparation of copolyphosphonates of high notche Process for the preparation of copolyphosphonates of high notche

1987-11-09

1988-11-01

Short, Patricia

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

Synthetic resins

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

525462, 525538, C08L 6702, C08L 6900

Patent

active

047821230

ABSTRACT:
Extrusion of solutions of aromatic polyesters and aromatic polyphosphonates gives copolyphosphonates with improved notched impact strength.

REFERENCES:
patent: 3326852 (1967-06-01), Thomas
patent: 3829405 (1974-08-01), Cohen
patent: 4028330 (1977-06-01), King
patent: 4223104 (1980-09-01), Kim
patent: 4328174 (1982-05-01), Schmidt et al.
patent: 4332921 (1982-06-01), Schmidt et al.
patent: 4481338 (1984-11-01), Serini et al.

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