Tetraphenols and their use as polycarbonate branching agents

Details Tetraphenols and their use as polycarbonate branching agents Tetraphenols and their use as polycarbonate branching agents

1996-12-17

1999-01-26

Buttner, David

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

Synthetic resins

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

525462, 528199, 528204, C08G 6406, C08G 6442

Patent

active

058639926

ABSTRACT:
Branched polycarbonates having properties suitable for blow molding are prepared by equilibrating a linear or branched aromatic polycarbonate with certain tetraphenols, especially 2,2,5,5-tetrakis (4-hydroxyphenyl)hexane

REFERENCES:
patent: Re27682 (1973-06-01), Schnell et al.
patent: 4415725 (1983-11-01), Hedges et al.
patent: 5021521 (1991-06-01), Krabbenhoft et al.
patent: 5288838 (1994-02-01), Sivaram
patent: 5418316 (1995-05-01), Kuhling

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