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- 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. 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。
- Chloro 2 hydroxypropyl trimethyl ammonium chloride an etherizing agent,for modified starch, was synthesised from epichlorohydrin. 以环氧氯丙烷为原料合成了3-氯-2-羟丙基基三甲基氯化铵,后者作为改性淀粉的醚化剂。
- The polyurethane-acrylate oligomer was prepared using isophorone diisocyanate, hydroxypropyl acrylate and polyethylene glycol as raw materials through two steps bulk reaction method. 以异佛尔酮二异氰酸酯、丙烯酸羟丙酯和聚乙二醇为原料,采用本体法两步合成聚氨酯丙烯酸酯齐聚物,经光热引发交联成型后可用作聚氨酯弹性体。
- Keywords alkylglucoside;3 chloro 2 hydroxypropyl trialkylammonium halide;epichlorohydrin;N;N dimethyl dodecylamine; 烷基糖苷;3-氯-2-羟丙基三烷基季胺盐;环氧氯丙烷;N;N-二甲基十二烷基胺;
- Keywords alkoxy 2 hydroxypropyl trimethylammonium bromide;sodium dodecyl sulfate;dimethylaminoazobenzene;surface activity;solubilization; 烷氧基-2-羟基丙基三甲基溴化铵;十二烷基硫酸钠;二甲基黄;表面活性;增溶;
- Keywords dodecoxy 2 hydroxypropyl trimethylammonium chloride;sodium dodecyl sulfate;surface activity;foaming ability;foam stability; 3十二烷氧基2羟丙基三甲基氯化铵;十二烷基硫酸钠;表面活性;起泡性;稳泡性;
- Will 2,000 dozens be enough for selling? 两千打够卖吗?
- Keywords chloro 2 hydroxypropyl tri methyl ammonium chloride;cationic starch of high degree of substitution;filler retention; 关键词3-氯-2-羟丙基三甲基氯化铵;高取代度阳离子淀粉;助留;
- The counselor bilked his clients out of$2 million. 那位顾问从他的顾客那里骗取了200万美元。
- Every afternoon the baby takes a nap for 2 hours. 每天下午宝宝都要睡两个小时。
- He added 2 gallons of fuel to his car. 他给汽车加了2加仑油。
- She demonstrated that 2 and 2 are four. 她证明2加2等于四。
- If you subtract 2 from 8, you get 6. 8减去2是6。
- The book will run to nearly 2,000 pages. 这本书将厚达两千页之多。
- The bridge is almost 2 kilometers long. 这座桥差不多有两公里长。
- The diameter of the tree-trunk is about 2 meters. 这树干的直径大约是2米。
- This fossil may be over 2 million years old. 这化石可能超过二百万年了。
- The bridge is almost 2 kilometres long. 这座桥差不多有两公里长。
- The doors were numbered 2,4, 6 and 8. 这些门编为2、 4、 6、 8号。
- Keywords gas chromatography;extraction;epichlorohydrin;1;3 dichloropropanol;micro organic impurity;3 chloro 2 hydroxypropyl trimethyl ammonium chloride; 气相色谱法;萃取;环氧氯丙烷;1;3二氯丙醇;微量有机杂质;3氯2羟丙基三甲基氯化铵;