polyester-amide

基本解释

Polyester amide polyols were synthesized from adipic acid and RDEA which was the mixed polyol of aliphatic alcohol amide prepared with rapeseed oil and diethanolamine.
以菜籽油和二乙醇胺为原料制备了脂肪醇酰胺混合多元醇RDEA,进一步和己二酸等原料反应合成了系列的聚酯酰胺多元醇,并对两类多元醇进行了表征。
Synthesis of Vegetable Oil Based Polyester Amide Polyols and Its Application in Water-borne PU
植物油基聚酯酰胺多元醇的合成及其在水性聚氨酯中的应用
He drank off the flagon of wine amid their cheers.
在他们的喝彩声中他喝了一大瓶酒。
He sat down amid deafening applause.
他在震耳欲聋的掌声中就坐。
He kept calm amid all these excitements.
他在这些使人激动的事件中保持镇静。