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- Polyurethane elastomers based on glycols(PEA,PPG PTMG), diisocyanate(TDI) and chain extender(E-300) were prepared. 以多元醇(PEA,PPG,PTMG),PDI,E 300为原料,制备了PU弹性体。
- Poly (propylene carbonate) polyurethane elastomers were also prepared using the synthesized poly (propylene carbonate) polyols as feedstock. 本文还利用所得到的聚碳酸亚丙酯树脂制备出性能优良的聚氨酯弹性体。
- The polyether type polyurethane elastomers based on polyether-polyol, 4,4'-diphenylmethane diisocyanate and 1,4- butanediol were synthesized. 以聚醚多元醇、4,4'-二苯基甲烷二异氰酸酯和1,4-丁二醇为原料合成了聚醚型聚氨酯弹性体。
- The properties and synthetic methods of CHDI and the synthesis and performances of CHDI based polyurethane elastomers have been discussed. 笔者论述了CHDI的性质和制备方法,讨论了CHDI型聚氨酯弹性体的合成工艺和性能。
- The property and preparation of carbodimide and its application in polyurethane elastomers and polyester resins were reviewed in the present paper. 简要介绍了可用于水解稳定剂的碳化二亚胺的性质、制备和在聚氨酯、聚酯树脂中的应用。
- The casting polyurethane elastomers were synthesized by two different prepolymerization technologies,and their properties were tested. 采用2种不同的预聚体合成方法制备聚氨酯浇注弹性体,并对其性能进行了测试。
- Specially, the Polyurethane elastomers based on PTMG have more advantages than those based on the other polybasic-alcohol. 与由二异氰酸酯类合成的聚氨酯材料、用低聚多元醇合成的聚氨酯弹性体与弹性纤维等材料相比较,该产品性能更为突出。
- The results showed that isocyanurate modified polyurethane elastomers exhibited better thermal propterty than that of general polyurethane elastomers. 结果显示,与普通聚氨酯弹性体相比,用异氰酸酯改性后的聚氨酯弹性体的热稳定性明显得到了提高。
- A series of high hardness polyurethane elastomers based on polyoxypropylene polyol, diol chain-extender and polyisocyanate were prepared by one-step process. 采用聚氧化丙烯多元醇、二醇扩链剂和多异氰酸酯为原料,用一步法工艺制得一系列高硬度聚氨酯弹性体。
- The polyurethane elastomers (PUE) which were filled with cassva starch and etherified cassva starch (ECS) respectively and then crosslinked were prepared. 向聚醚型聚氨酯预聚体中分别添加木薯淀粉及其改性的木薯醚化淀粉,再经进一步交联得到了聚氨酯(PU)弹性体。
- Transparent polyurethane elastomers used for solid wheel were prepared from polyester polyol, polyether polyol, toluene disocyanate and methylene bis-ortho-chloroaniline. 以聚酯和聚醚多元醇、异氰酸酯、三元醇和芳香族二胺等为主要原料,研制了轮子用浇注型聚氨酯弹性体。
- The advance in the investigation on the raw materials, synthesis methods and technology, and the composition ratio of polyurethane elastomers are introduced in this paper. 摘要从聚氨酯弹性体的原料、合成方法、合成工艺、原料配比等方面介绍了聚氨酯弹性体力学性能的研究进展。
- The effect of the polyester polyol structures,different diisocynatates and different extenders on solvent resistance of polyurethane elastomers were investigated. 考察了聚酯多元醇结构、多异氰酸酯种类、扩链剂种类及合成工艺对聚氨酯弹性体机械性能和耐溶剂性能的影响。
- Abstact:The effects of ethylene glycol,diglycol,1,4-butylene-glycol and 1,6-hexene-glycol as the chain-extender on the properties of polyurethane elastomers based on polyether-polyols were studied. 研究了以乙二醇、一缩二乙二醇、1,4-丁二醇和1,6-己二醇作为扩链剂对聚醚聚氨酯弹性体性能的影响。
- Abstract: Transparent polyurethane elastomers used for solid wheel were prepared from polyester polyol, polyether polyol, toluene disocyanate and methylene bis-ortho-chloroaniline. 摘 要: 以聚酯和聚醚多元醇、异氰酸酯、三元醇和芳香族二胺等为主要原料,研制了轮子用浇注型聚氨酯弹性体。
- This paper discusses on the influence of different structures of isocyanate, different system of polyether-polybasic alcohol and different synthetic methods on polyurethane elastomers. 讨论了不同异氰酸酯结构、不同聚醚多元醇体系、不同合成方法对聚氨酯弹性体的影响。
- The antistatic polyurethane elastomers are very important functional materials and they have extensive uses.They are divided into two types such as composite and blend according to their components. 抗静电聚氨酯弹性体材料是一种非常重要的功能材料,其用途非常广泛,根据其组成可分为复合型和共混型两种。
- Container inside lining includes polyurethane elastomer and rubber. 容器内衬分聚氨脂弹性体和橡胶。
- HYDROGEN BONDS IN POLYURETHANE ELASTOMERS 聚氨酯弹性体的氢键
- casting polyurethane elastomers(CPU) 浇注型聚氨酯弹性体(CPU)