There are two types of polyols: polyester and polyether.
有两种类型的糖醇：聚酯和聚醚。
The toughening of DAIP resin with liquid nitrile-butadiene rubber, polybutadiene, polyether, silicone rubber, unsaturated polyester and vinyl resins was investigated.
用液体丁腈橡胶、聚丁二烯、聚醚、硅橡胶、不饱和聚酯和多种乙烯基酯树脂为改性剂，研究了它们对DAIP树脂的增韧作用。
Waterborne polyurethane resin is prepared by alcoholyzing oil with polyol at first, and then reacting with polyether (polyester), dimethylol propionic acid, diisocyanate.
油与多元醇经醇解反应，进而与聚醚或聚酯、 二羟甲基丙酸、 二异氰酸酯反应制得水溶性氨酯油。
The synthesis processes of various kinds of hyperbranched epoxy resin were discussed in detail, including polyester, polyether, polyester-polyether and aliphatic hyperbranched epoxy resin.
综述了各类超支化环氧树脂的合成工艺，主要包括聚酯型、 聚醚型、聚酯聚醚型和聚烷烃超支化环氧树脂。
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。
The mechanical property, thermal behavior, dynamic mechanical property, dynamic rheological behavior and the phase morphology are studied when polyether TPU and polyester TPU are mixed in TPEE.
研究了聚醚型TPU和聚酯型TPU对TPEE力学性能、热性能、动态机械性能、流变行为及共混物相形态的影响。
The result shows that the process conditions of polyester type open cell polyurethane foam are easy to control, and the mechanics performance of polyester type is better than that of polyether type.
实验结果表明：聚酯型网状聚氨酯泡沫塑料的制备工艺条件更容易控制，力学性能优于聚醚型；
The spherulite growth behaviour of hard segment has been studied by SALS and other techniques for polyester-polyether block copolymers with low hard segment content.
采用SALS等方法研究了低硬段含量的聚酯-聚醚多嵌段共聚物中硬段结晶时的球晶生长规律。
Lastly, of course, the main reaction of interest is the formation of urethane groups by reaction of isocyanate groups and hydroxy - groups of the polyester or polyether.
最后，当然，利息的主要反应是异氰酸酯基和羟基的聚酯或聚醚组反应形成聚氨酯组。
A series of polyurethane (PU) elastomer were synthesized from polyester(PEA, PEPA) or polyether(PTMG), toluene dissocyanate (TDI), mixture of triisopropanolamine(TIPA) and 1,4-butanediol(BDO).
以聚酯（PEA、PEPA）或聚醚（PTMG）和TDI为原料合成聚氨酯预聚体，用三异丙醇胺 （TIPA）和1，4-丁二醇（BDO）的混合物作扩链剂制备聚氨酯弹性体。
On the basis of the experimental data, solubility parameters for polyether and polyester foams were estimated. These may be useful in further study of the absorption behaviour …
这些对于进一步研究聚氨酯泡沫塑料的吸收性能和在分析化学中的富集是很有用的。
On the basis of the experimental data, solubility parameters for polyether and polyester foams were estimated. These may be useful in further study of the absorption behaviour …
这些对于进一步研究聚氨酯泡沫塑料的吸收性能和在分析化学中的富集是很有用的。
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