常見例句

• The new telechelic prepolymers of polyisobutylene have been synthesized by the carbocationic polymerization.
  應用正碳離子聚合的方法合成新型聚異丁烯遙爪預聚物。
• The second step is to prepare prepolymers by the block copolycondensation of above polyesters with epoxy resin.
  該光敏預聚物的分子量通過調節(jié)不飽和聚酯的分子量控制。
• Polyether-type isocyanate prepolymers are prepared with polyether polyols and tolylene diisocyanate.
  采用聚醚多元醇和甲苯二異氰酸酯合成了聚醚型異氰酸酯預聚體。
• The curing enthalpy (based on reactive solids) of the PUF prepolymers increases the lower the degree of condensation.
  基于養(yǎng)護焓(固體)的活性低吸水性大大增加的程度齊聚物的冷凝。
• The structures of prepolymers and curing agents are characterized by IR and Chem-titrimetry.
  采用紅外光譜和化學滴定等方法對預聚物和固化劑進行表征和分析。
• Plastics-basic materials for polyurethanes. Determination of the free tolyylenediisocyanate content of prepolymers gas chromatography method.
  聚氨基甲酸乙酯塑料基材料。預聚合物氣相色譜分析法中游離二異氰酸二苯乙烯含量的測定。
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