Method of preparing polycarbonate-polysiloxane block copolymers

Details Method of preparing polycarbonate-polysiloxane block copolymers Method of preparing polycarbonate-polysiloxane block copolymers

Filed on

1995-09-20

Date issued

1997-04-01

Examiner

Mosley, Terressa

Patent Class

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

SubClass

Synthetic resins

SubSubClass

From silicon reactant having at least one...

Other Related Categories

524537, 525474, 528 14, 528 15, 528 18, 528 19, 528 21, 528 25, 528 31, 528 32, 528 41, 528 43, C08G 7704

Type

Patent

Status

active

Patent number

056166745

Description

ABSTRACT:
Polycarbonate-polysiloxane block copolymers are prepared by interfacial polymerization technique in the presence or a phase transfer catalyst.

REFERENCES:
patent: 3240755 (1966-03-01), Cawthon et al.
patent: 3240756 (1966-03-01), Cawthon et al.
patent: 3419634 (1968-12-01), Vaughn
patent: 3419635 (1968-12-01), Vaughn
patent: 3992432 (1976-11-01), Napier
patent: 5391692 (1995-02-01), Boden
Journal, Macromol. Sci. Chem. 15(5), pp. 967-998 (1981).

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