Copolyesters of phthalic acids and hydantoins

C - Chemistry – Metallurgy – 08 – G

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C08G 63/68 (2006.01) C08G 63/18 (2006.01) C08G 63/685 (2006.01) C08G 71/02 (2006.01)

Patent

CA 1121544

EC 13965 COPOLYESTERS OF PHTHALIC ACIDS AND HYDANTOINS Abstract of the Disclosure The disperse dyeability and moisture absorbency of a fiber and film forming poly(ethylene phthalate) ester is improved by including a hydantoin alcohol, hydantoin diacid, or a diester as a comonomer in the mixture of a phthalic acid or diester thereof and ethylene glycol to produce a random copolyester. The dyed fibers are useful for making various kinds of fabrics and articles made therefrom.

290812

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