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。
This paper preparation methods of high performance polyurethane adhesive for shoes was approached. It is introduced synthetic methods of polyester polyols and polyurethane adhesive.
探讨了研制高性能鞋用聚氨酯胶粘剂的技术路线，并介绍了聚酯多元醇和聚氨酯胶粘剂的合成工艺和方法。
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。
There are two types of polyols: polyester and polyether.
有两种类型的糖醇：聚酯和聚醚。
The influence of polyester resin, polyols, and pigments on performance of topcoat and influence of application technology on compatibility between primer and topcoat are discussed.
讨论了耐雨蚀面漆中聚酯树脂、多元醇和颜料对其性能的影响，施工工艺对耐雨蚀涂层与底涂层之间配套性能的影响。
Polyester resins are the condensation products of polybasic acids and polyols.
树脂是多元酸和多元羟基化合缩聚而成。
Polyester resins are the condensation products of polybasic acids and polyols.
树脂是多元酸和多元羟基化合缩聚而成。
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