Low plate-out polycarbonate end capped with phenoxy acetic acid

Details Low plate-out polycarbonate end capped with phenoxy acetic acid Low plate-out polycarbonate end capped with phenoxy acetic acid

1987-12-22

1989-06-20

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, C08G 6362

Patent

active

048410152

ABSTRACT:
Polycarbonate resins are chain-terminated with a group selected from those of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently selected from the group consisting of hydrogen, halogen, hydrocarbyl of from 1 to 12 carbon atoms, inclusive; and halogen-substituted hydrocarbyl of 1 to 12 carbon atoms, inclusive; R.sub.1 is attached to a ring carbon atom at one of the 4, 5 or 6 positions; and R.sub.2 and R.sub.3 when taken together represent the divalent moiety of formula:

REFERENCES:
patent: 4431793 (1984-02-01), Rosenquist
patent: 4446296 (1984-05-01), Rosenquist
patent: 4448953 (1984-05-01), Rosenquist et al.

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