PTMG

常见例句

• 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。
• The PTMG project of 25,000 t/a, which is invested independently by Mitsubishi Chemical Company, has been started construction in May, 2008.
  由三菱化学独资建设的2.;5万吨/年聚四氢呋喃醚（PTMG）项目于2008年5月开工建设。
• 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 T g of polyester soft segment is higher than of polyether soft segment,and the elastic modulus increases in the order of PPG PEG PTMG in the PU elastomer.
  在PU弹性体中 ,聚酯软段比聚醚软段的Tg 高 ,弹性模量依PPG、PEG、PTMG软段顺序增加
• And two new segmented poly(urethaneureas) were prepared from poly(tetramethylene glycol)(PTMG) or polyadipate of 1,4 butanediol(PBA), MDI and Urea(as chain extender).
  通过对聚氨酯脲及其硬段模型化合物的结构与性能的研究，发现这种体系有高相分离程度、高氢键密度的特点，并暗示了三维氢键网络结构的存在。
• The factors include relative molecular mass of PTMG, diisocyanates, chain extenders, mass fraction of hard segment, NCO mass fraction and chemical crosslink in prepolymer,etc.
  讨论了化学结构因素对聚氨酯弹性体力学性能的影响,化学结构因素包括PTMG相对分子质量、二异氰酸酯、扩链剂、硬段质量分数、预聚体NCO基质量分数和化学交联等。
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