Flame retardant aromatic polyester-carbonate copolymer compositi

Details Flame retardant aromatic polyester-carbonate copolymer compositi Flame retardant aromatic polyester-carbonate copolymer compositi

1980-12-31

1982-09-14

Phynes, Lucille M.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525439, 528128, 528173, 528191, C08G 6364

Patent

active

043496580

ABSTRACT:
Polyester-carbonate copolymers, blends of polyesters with polyester-carbonate copolymers and block copolymer compositions of polyester-carbonate copolymers have improved flame retardance when portions of the copolymer contain fluorinated diphenol copolymer. The fluorinated diphenol has at least one fluorinated alkyl or fluorinated aryl group upon the methylene carbon atom positioned between the aromatic ring structures of the diphenol. Polyester-carbonate copolymers, the blends of polyesters with the polyester-carbonate copolymers and block polymer compositions of polyester-carbonate copolymers are flame retardant.

REFERENCES:
patent: 3388097 (1968-06-01), Cramer
patent: 4220583 (1980-09-01), Mark
patent: 4273899 (1981-06-01), Saiki et al.
patent: 4283523 (1981-08-01), Salee et al.

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