Terpolymer having aliphatic polyester, polysiloxane and polycarb

Details Terpolymer having aliphatic polyester, polysiloxane and polycarb Terpolymer having aliphatic polyester, polysiloxane and polycarb

1994-03-02

1997-03-04

Dean, Ralph H.

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

Synthetic resins

From silicon reactant having at least one...

528 29, C08G 77445, C08G 77448

Patent

active

056080263

ABSTRACT:
Block condensation copolymers with improved processability, low temperature impact strength and solvent resistance have a polysiloxane block such as ##STR1## where D is about 10 to 120, and a polycarbonate-aliphatic polyester block. Such polymers are made by an interfacial reaction of phosgene with a bisphenol, a phenol-terminated siloxane, and an aliphatic dicarboxylic acid salt.

REFERENCES:
patent: 3207814 (1965-09-01), Goldberg
patent: 3419634 (1968-12-01), Vaughn
patent: 3994988 (1976-11-01), Laurin
patent: 4330662 (1982-05-01), Bales
patent: 4681922 (1987-07-01), Schmidt et al.
patent: 4945148 (1990-07-01), Rich et al.
patent: 5032661 (1991-07-01), Serini et al.

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