PROCESS FOR PREVENTING OLIGOMER DEPOSITS ON DYED POLYESTER TEXTILE MATERIAL

摘要

Case 1-11291/+CanadaPROCESS FOR PREVENTING OLIGOMER DEPOSITS ON DYED POLYESTERTEXTILE MATERIALAbstract of the DisclosureA process for preventing oligomer deposits ondyeings produced on textile material consisting of orcontaining polyester fibers, which process comprisesapplying to said material during or after dyeing a phthalicacid ester of the formula (1)whereinR 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, andn is 1 to 4.