化纤油剂中聚醚的醚链结构对性能的影响

The Influence of Polyethers Chain Structure on the Properties of copolyethers Component of Spin Finish for Synthetic Fibre

改变化纤油剂用聚醚的醚链的结构，ＥＯ／ＰＯ比增大，提高聚醚的浊点、粘度和表面张力。增加分子量可显著提高粘度和起泡能力。形成嵌段使聚醚浊点明显下降。

Changing the EO/PO ratio,the molecular weight and the arrangement of EO and PO unit was studied. With raising the EO/PO ratio, the copolymer could point, viscosity and surface tension will increase. When the molecular weight rises, its viscosity will increase greatly, and foaming ability becomes better. With block copolyether's forming, the cloud point lowers appreciably.