Flame resistant polyesters

C - Chemistry – Metallurgy – 08 – G

Patent

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C08G 63/68 (2006.01) C07F 9/6571 (2006.01) C08G 63/692 (2006.01) C08G 79/04 (2006.01) D01F 6/84 (2006.01)

Patent

CA 1068442

FLAME RESISTANT POLYESTERS Abstract of the Disclosure Novel flame resistant polyesters provided with improved moldability. The polyester comprises a combination of an aromatic dicarboxylic acid or an ester-forming derivative thereof, a diol or an ester-forming derivative thereof, and a particular phosphorus compound having at least two ester-forming functional groups. The content of phosphorus in the polyester is about 500-50,000 ppm. A preferred phos- phorus compound has the formula Image

243735

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