Definition of "copolyester" []

• A polyester that has been modified by the addition of other chemicals. (noun)

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• "A positive: in the midst of all the various bottled waters passed out during the conference, at least in the parting gift bag, there was offered a re-usable water bottle in stain, taste and odor-resistant copolyester manufactured by Eastman Tritan."
• "The increase in sales volume was attributed to strengthened end-use demand for specialty packaging and consumer and durable goods, and the positive impact of growth initiatives for core copolyesters and Eastman Tritan™ copolyester product lines."
• "The higher sales volume was attributed to strengthened end-use demand across all markets due to the global economic recovery and the positive impact of growth initiatives for core copolyesters and the Tritan™ copolyester product lines."