Process for preventing oligomer deposits on dyed polyester...

D - Textiles – Paper – 06 – P

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8/93.79

D06P 1/613 (2006.01) D06P 1/651 (2006.01) D06P 5/04 (2006.01)

Patent

CA 1117708

Case 1-11291/+ Canada PROCESS FOR PREVENTING OLIGOMER DEPOSITS ON DYED POLYESTER TEXTILE MATERIAL Abstract of the Disclosure A process for preventing oligomer deposits on dyeings produced on textile material consisting of or containing polyester fibers, which process comprises applying to said material during or after dyeing a phthalic acid ester of the formula Image (1) wherein R is alkyl or alkenyl of 6 to 22 carbon atoms, X1 and X2,is hydrogen or methyl and the other is hydrogen, Z is hydrogen or alkyl of 1 to 4 carbon atoms, and n is 1 to 4.

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