Low plate-out polycarbonates

Details Low plate-out polycarbonates Low plate-out polycarbonates

1988-12-20

1990-08-21

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562471, C07C 5940, C07C 5948

Patent

active

049507826

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: --CH.dbd.CH.sub.2 --CH.sub.2 .dbd.CH--
which effectively creates an additional fused aromatic ring structure. The resins exhibit a low plate-out when processed thermally.

REFERENCES:
CA 102(3):24211v, Cross. G. et al., Can. J. Chem. 62(12), 2803-12, 1984.

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