Blends of polysulfone with diaryl fluorene carbonate polymer

Details Blends of polysulfone with diaryl fluorene carbonate polymer Blends of polysulfone with diaryl fluorene carbonate polymer

1996-05-02

1997-05-27

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...

525469, C08L 6900, C08L 8106

Patent

active

056333315

ABSTRACT:
Polymer blend compositions are prepared having excellent combinations of optical properties, physical properties and hydrolytic stability comprising, in admixture, (a) a diaryl fluorene carbonate polymer and (b) a polysulfone. Preferably, the diaryl carbonate polymer is a copolycarbonate of bisphenol A with bis(hydroxyphenyl) fluorene, preferably 9,9-bis(4-hydroxyphenyl) fluorene. Optionally, the blend compositions also comprise a second non-fluorene carbonate polymer (c). Preferably, the polysulfone is a bisphenol A polysulfone or a polyether poly sulfone. In preferred aspects of this invention, the polysulfone and diaryl carbonate polymer components are selected to provide a transparent blend composition.

REFERENCES:
patent: 3365517 (1968-01-01), Barth
patent: 4152367 (1979-05-01), Binsack
patent: 5486577 (1996-01-01), Farah

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