Aromatic amorphous thermoplastic polymers

Details Aromatic amorphous thermoplastic polymers Aromatic amorphous thermoplastic polymers

1990-01-19

1992-09-01

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528126, 528174, 528175, 528219, 525534, 525535, C08G 7523, C08G 6540, C08G 802, C08G 1400

Patent

active

051440016

ABSTRACT:
Described herein are amorphous thermoplastic terpolymers containing units of the formula: ##STR1## wherein R is independently hydrogen, C.sub.1 to C.sub.6 alkyl, or C.sub.4 to C.sub.8 cycloalkyl, a is an integer of 0 to 4 and n is independently an integer of 1 to 3. The units are attached to each other by an --0-- bond. These polymers have an excellent combination of mechanical properties. They display high notched izod impact values, high heat distortion temperatures and excellent environmental stress crack resistance.

REFERENCES:
patent: 4108837 (1978-08-01), Johnson et al.
patent: 4175175 (1979-11-01), Johnson et al.
patent: 4273903 (1981-06-01), Rose

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