Patent ID: 8911508
Filing Date: 2014-12-16
Classification: C08G,D06M,Y10S

Abstract:
1. A modifier for polyester fiber, comprising the following components based on parts by weight: 10-25 parts of ethylene glycol; 15-25 parts of dimethyl terephthalate; 1-50 parts of organosilicon having a general formula: where 0.2-1 parts of metal acetate with a molecular weight of 1000-20000 dalton as a catalyst; and 80-170 parts of compounds selected from one, two or more kinds of two-hydroxy-end polyethers with a general formula of (I), (II) or (III): where m stands for a number of repeating units and has a value such that the molecular weight of the two-hydroxy-end polyether with the general formula of (I) is from 10000 to 20000 dalton; where z stands for a number of repeating units and has a value such that the molecular weight of the two-hydroxy-end polyether with the general formula of (II) is from 1000 to 5000 dalton; or where p and q stand for a number of repeating units and have values such that the molecular weight of the two-hydroxy-end polyether with the general formula of (HI) is from 5000 to 9000 dalton.