Linear copolyester containing phosphorous, procedure for its...

Details Linear copolyester containing phosphorous, procedure for its... Linear copolyester containing phosphorous, procedure for its...

C - Chemistry, Metallurgy

08

G

C08G 63/692 (2006.01) C08L 67/02 (2006.01) C08L 101/00 (2006.01) C09K 21/14 (2006.01)

Patent

CA 2085668

CASE 4624 LINEAR COPOLYESTER CONTAINING PHOSPHOROUS, PROCEDURE FOR ITS PREPARATION AND ITS USE AS A FLAME-RETARDANT ADDITIVE. Abstract A linear copolyester is prepared by polycondensation of an aromatic bicarboxylic acid with an alkylene glycol and with a carboxyphosphinic acid or anhydride which produces monomeric units having the formula: Image (I) wherein R1 is an alkylene or phenyl radical and R2 is an alkyl or phenyl radical. This copolyester can be used as a flame-retardant additive for organic polymers.

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