Polycarbonate containing a bis(cyclic phosphite) as a thermal st

Details Polycarbonate containing a bis(cyclic phosphite) as a thermal st Polycarbonate containing a bis(cyclic phosphite) as a thermal st

1979-08-27

1981-03-03

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 458R, 260927R, 525 2, C07F 915, C08K 552

Patent

active

042540143

ABSTRACT:
A polycarbonate such as a bisphenol-A homopolycarbonate containing a small amount of an aromatic bis(cyclic phosphite) such as 2,2'---(1-methylethylidene)bis(4,1-phenyleneoxy-2,1-ethanediyloxy)]bis(5,5 -dimethyl-1,3,2-dioxaphosphorinane) exhibits improved processability and thermal stability.

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patent: 3305520 (1967-02-01), Fritz et al.
patent: 3467733 (1969-09-01), Dever et al.
patent: 3509091 (1970-04-01), Cleveland et al.
patent: 3970635 (1976-07-01), Lawton et al.
patent: 4066611 (1978-01-01), Axelrod
patent: 4088709 (1978-05-01), Seymour et al.

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