| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a polyester fiber having good touch, flame retardancy and resistance to heat discoloration. SOLUTION: This polyester fiber is attached by an oil solution containing a polyether compound represented by the following [I] and a polyester compound represented by the following [II]. [I]: a polyether compound obtained by subjecting ethylene oxide(EO) to random or block copolymerization with propylene oxide(PO) and having (90/10) to (60/40) molar ratio of EO/PO and 9,000-17,000 molecular weight. [II]: a polyester compound having 4,000-11,000 molecular weight and obtained by subjecting an 8-20C aromatic dicarboxylic acid to random or block copolymerization with a 2-10C lower alkylene glycol and a polyalkylene glycol having 2,000-5,000 molecular weight.</p> |
