1．I．2聚氨醅基本原料 聚醚多元醇 （ polyether polyols ）、聚酯多元醇（polyester polyols）和有机多 异氰酸酯（isocyanates）是聚氨酯的三大基本原料。
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Aliphatic polyester polyols 脂肪族聚酯多元醇
aromatic polyester polyols 芳烃聚酯多元醇
benzoic acid anhydride polyester polyols 苯酐聚酯多元醇
using benzoic anhydride polyester polyols 苯酐聚酯多元醇
benzolic acid anhydride polyester polyols 苯酐聚酯多元醇
Water-soluble saturated polyester polyols dispersoid 水性饱和聚酯多元醇分散体
polyester imide polyols 聚酯亚胺多元醇
A high solid elastic polyurethane prepolymer has been prepared based on MDI, PAPI, HDI, IPDI and polyester polyols and polyether polyols.
采用MDI、PAPI、HDI、IPDI等不同的异氰酸酯和聚酯多元醇、聚醚多元醇等反应，制备高固体分的聚氨酯弹性体预聚物。
Several succinic acid polyester polyols were synthesized and used to prepare polyurethane elastomers having excellent solvent resistance.
合成了一种新系列丁二酸多元醇聚酯，并用它合成出耐酮类溶剂的聚氨酯弹性体。
It was pointed out that controlling the trace water and acid value in the polyester polyols was the key procedure to prepare the polyurethane materials suitable for making cast mould.
指出控制聚酯多元醇的含水量和酸值是制备聚氨酯铸模材料的关键。
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