Cyclic carbonate trimer of 2,2-bis(4-hydroxyphenyl)-1,1-dichloro

Details Cyclic carbonate trimer of 2,2-bis(4-hydroxyphenyl)-1,1-dichloro Cyclic carbonate trimer of 2,2-bis(4-hydroxyphenyl)-1,1-dichloro

1977-06-09

1979-02-13

Pertilla, Theodore E.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 458A, 2603402, 260DIG24, 528196, 528199, C08L 2506, C08L 6700, C08L 6900

Patent

active

041396871

ABSTRACT:
The cyclic carbonate trimer of 2,2-bis(4-hydroxyphenyl)-1,1-dichloroethylene is provided which can be employed as a flame retardant for a variety of thermoplastic organic polymers, such as high molecular weight bisphenol-A polycarbonate. This cyclic carbonate trimer also can be employed as a precursor for making high molecular weight phenyl dichloroethylene polycarbonate.

REFERENCES:
patent: 3274214 (1966-09-01), Prochaska
patent: 3991120 (1976-11-01), Ladd

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