The waste PET scraps was degradated with low molecular mixed polyalcohol. 用小分子混合醇降解废聚酯碎片。
Propylene glycol, glycerin, polyalcohol can be used as starting substances of polyether demulsifiers. 聚醚类破乳剂的醇类起始剂有丙二醇、甘油或多元醇。
This agent is propene polyoxy-ethylene binary block polyether chain extension production initiated by polyamine and polyalcohol. 该药剂是以多胺、多元醇为起始剂的聚氧丙烯聚氧乙烯双嵌段聚醚的扩链产物。
In order to solve environmental pollution,increase production of oil and gas and economic benefit,polyalcohol drilling fluid is developed. 聚合醇钻井液是近年来为解决环境伤害、提高油气产量和钻井综合效益而研制的一种新型钻井液体系;
The process of producing open cell pdyurethane foam was introduced.The effect of the types of polyalcohol on the performance of open cell polyueethane foam was discussed. 介绍了大孔径网状聚氨酯泡沫塑料的制备工艺,讨论了多元醇种类对网状聚氨酯材料性能的影响。
The and shale particles hydration is checked through altering their surface charge and compressing their diffused double layer with polyalcohol adsorbing. 多元醇吸附在泥页岩颗粒表面,改变其表面电荷,压缩扩散双电层,抑制泥页岩颗粒水化;