Polyesters containing copolymerized substituted 1,4-bis(2,6-dial

Details Polyesters containing copolymerized substituted 1,4-bis(2,6-dial Polyesters containing copolymerized substituted 1,4-bis(2,6-dial

1997-08-07

1999-10-05

Short, Patricia A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525167, 525425, 525437, 525438, 525439, 525440, 525442, 525443, 528288, 528289, 528290, 528291, 528292, C08G 63685, C08G 63688, C08B 6910

Patent

active

059625570

ABSTRACT:
A colored polyester copolymer comprising the reaction product of at least one linear thermoplastic polyester precursor and at least ten parts per million by weight of a residue of at least one 1,4-bis (2,6-dialkylanilino)-9,10-anthraquinone colorant. A composition may be formed comprising the copolymer in admixture with at least one thermoplastic polymer. The copolymer may be formed by reacting at least one thermoplastic polyester precursor with a 1,4-bis (2,6-dialkylanilino)-9,10-anthraquinone colorant which has a polyester reactive group.

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