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

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

1981-12-14

1984-01-24

Sutto, Anton H.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

260927R, 524119, C08K 552, C07F 915

Patent

active

044278136

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

REFERENCES:
patent: 2859086 (1958-11-01), Feild, Jr. et al.
patent: 2880225 (1959-03-01), Lanham
patent: 3890409 (1975-06-01), Mayerhoefer et al.
patent: 4035448 (1977-07-01), Mayerhoefer et al.
patent: 4049617 (1977-09-01), Albright
patent: 4143101 (1979-03-01), Mayerhoefer et al.
patent: 4178281 (1979-12-01), Horn, Jr.
patent: 4254014 (1981-03-01), McEwen et al.

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