Melt kneading polycarbonate with compound containing carbon to c

Details Melt kneading polycarbonate with compound containing carbon to c Melt kneading polycarbonate with compound containing carbon to c

1992-09-18

1994-02-15

Anderson, Harold D.

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

Synthetic resins

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

525439, 525442, 525445, 525462, 525467, C08G 6442

Patent

active

052868133

ABSTRACT:
The present invention discloses a polycarbonate modification method wherein a polycarbonate resin having (a) a carbon-carbon double bond, and (b) at least one group selected from the group consisting of --C(.dbd.O)--Cl, --C(.dbd.O)--Br, --C(.dbd.O)--OH, --OH, --O--C(.dbd.O)--Cl and --O--C(.dbd.O)--Br, is melt-kneaded in the presence of a radical initiator. Polycarbonate resins prepared according to the present method retain the desirable properties associated with polycarbonates while exhibiting decreased surface gloss.

REFERENCES:
patent: 3622331 (1971-11-01), Thomas
patent: 4933425 (1990-06-01), Galluci

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