Polyester containing copolymerized substituted 1,4-bis (2,6-dialkylanilino) -9,10-anthraquinone as colorant
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机译:含有共聚取代的1,4-双(2,6-二烷基苯胺基)-9,10-蒽醌作为着色剂的聚酯
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摘要
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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