以下为句子列表：
英文: Abstract: A high performance liquid chromatography (HPLC) method for determing the 2,4-/2 ,6- isomer ratio in commercial. toluene diisocyanate (TDI) was developed.
中文: 文摘:建立了测定工业甲苯二异氰酸酯中2，4-和2，6-体异构比的液相色谱法。
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英文: The first group is polyurethane prepolumer which is made from polyether resin and diisocyanate etc after polymerization; the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc.
中文: 甲组分别是以聚醚树脂和二异氰酸脂等为原料，经聚合反应制成的含端异氰酸脂基的聚氨基甲酸脂预聚物；乙组分别由交联剂、促进剂、增韧剂、增黏剂、防霉剂和填充剂等混合加工而成。
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英文: The water-borne polyurethane (WPU) emulsion modified by epoxy resin was prepared using toluenediisocyanate (TDI), polyether (N220), dimethylolpropionic acid (DMPA), epoxy resin, hydroxypropyl acrylate (HPA) and so on.
中文: 摘要以甲苯二异氰酸酯(TDI-80)、聚醚二醇(N220)、二羟甲基丙酸(DMPA)、环氧树脂和丙烯酸羟丙酯(HPA)为主要原料，合成了环氧改性的水性聚氨酯乳液。
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