将涤纶废产物用二甘醇和三元醇经酯基转移合成齐聚酯多元醇，并用其制备聚氨酯硬质泡沫塑料。
A study was conducted to synthesize oligoester alcohols from poly (ethylene terephthalate) production wastes via transesterification with diethylene glycol and tribasic alcohol.
由于甲甙聚醚中有甲基葡萄糖甙稳定的环状结构，因此由其合成的聚氨酯硬质泡沫塑料综合性能优异，应用前景广阔。
Because of the stable methyl glucoside cyclical structure in its polyether, its rigid urethane foam is excellent in comprehensive performance with wide prospect of use.
以淀粉乙二醇糖甙聚醚、多苯基多次甲基多异氰酸酯(PAPI)为主要原料，对聚氨酯硬质泡沫塑料的发泡工艺进行了研究。
A polyurethane (PU) rigid foam was prepared, using PAPI and the polyether polyols deried from starch ethylene glycol glycoside (EGG) as the main materials, and the foaming processing was studied.
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