High-shrinkage polyester chip and fibers can be produced by adding isophthalic acid (IPA) and neopentyl glycol ( DTG) with side chain into polyester.

• 在聚酯中添加间苯二甲酸(IPA)和具有侧链结构的新戊二醇(DTG),制成了高收缩聚酯切片及纤维。