Process for the preparation of polycarbonate and/or polyarylate

Details Process for the preparation of polycarbonate and/or polyarylate Process for the preparation of polycarbonate and/or polyarylate

1989-04-03

1991-12-31

Bleutge, John C.

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

Synthetic resins

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

525397, 525425, 525433, 525437, 525439, 525462, 525466, C08G 8100, C08G 7523, C08G 6418, C08G 6364

Patent

active

050773518

ABSTRACT:
The invention describes a novel process for the preparation of polycarbonate and/or polyarylate block copolymers with poly(aryl ethers). The process is comprised of the steps:

REFERENCES:
patent: 4645806 (1987-02-01), Freitag
patent: 4657977 (1987-04-01), Peters
patent: 4668744 (1987-05-01), Matzner
patent: 4880884 (1989-11-01), Mullins
McGrath, "BPA Polycarbonate-BPA Polysulfone Block Copolymers", Polymer Eng. & Sci.; Aug. 1977, vol. 17 #8.

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