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- Keywords n butyl chloroacetate;synthesis;sodium bisulfate;catalysis; 氯乙酸正丁酯;合成;硫酸氢钠;催化;
- In the presence of aminosulfonic acid catalyst,lactic acid reacted with n butyl alcohol to form n butyl lactate. 以氨基磺酸为催化剂,实现了乳酸与正丁醇反应合成乳酸正丁酯。
- Tri n butyl citricate(TBC)was synthesized with zeolite supported ZrO 2 Dy 2O 3/SO 4 2 solid super acids(ZDSH) as catalysts. 用固体超强酸催化剂(ZrO2?Dy2O3/SO42 -?沸石分子筛) 催化合成柠檬酸三丁酯(TBC) 。
- The modified titanium base solid acid used as catalyst for the synthesis of tributyl citrate from citric acid and butyl alcohol was investigated in this paper. 以改性钛基固体酸为催化剂催化合成柠檬酸三丁酯,确定了酯化优化条件。
- N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization. 以邻氯苯甲酸和对乙氧基苯胺为原料,经过胺的苯基化、二芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。
- The n butyl gallate was synthesized by esterification of butyl alcohol and gallic acid in catalysis of p methyl toluenesulfonic acid (PTSA) induced by microwaves. 采用微波辐射技术,以对甲苯磺酸(PTSA)作催化剂,没食子酸和正丁醇直接酯化合成没食子酸正丁酯。
- A study was made on the synthesis of n butyl acetate and isobutyl acetate with aminosulfonic acid as the catalyst.The optimum conditions were chosen by the experiments. 研究了以氨基磺酸为催化剂,催化合成乙酸正丁酯和乙酸异丁酯的工艺过程,实验确定了其优惠反应条件。
- Use of zirconic acid esters as catalysts to prepare butyl chloroacetate and benzyl chloroacetate is studied, the yields of reactions are more than 90%. 介绍使用锆酸酯为催化剂,制备氯乙酸丁酯、氯乙酸苄酯的实验,讨论了影响反应的因素,该催化反应过程氯乙酸酯的收率为90%25以上。
- The conversion ratioes of chloroacetic acid in the syntheses of butyl chloroacetate and ethyl chloroacetate are 98. 8% and 83. 6% respectively. 合成氯乙酸乙酯时;其氯乙酸转化率为83.;6%25。
- Keywords solid acid;fly-ash;butyl butyrate;token; 固体酸;粉煤灰;丁酸丁酯;表征;
- In this paper, the research progress on the exposure,metabolism,toxicity and endocrine disruptingeffects of di n butyl phthalate were reviewed. 邻苯甲二酸二丁酯;;内分泌系统;;成形剂;;毒性作用;;塑料;;职业;;环境;;
- Three plasticizers were used: namely dioctyl phthalate (DOP), di n butyl phthalate (DBP) and di(-2-ethyl-hexyl)sebacate(DOS). 研究中采用的增塑剂为邻苯二甲酸二辛酯 (DOP)、邻苯二甲酸二正丁酯 (DBP)和癸二酸二辛酯 (DOS)。
- The influence facts upon adhesive strength,such as hardening agent content, n butyl acrylate content,synthesis condition were discussed. 考察了固化剂含量、预固化及预聚合时间、丙烯酸丁酯含量以及引发剂含量对胶粘剂力学强度的影响。
- It was proposed that the catalytic amination of metyl t-butyl ether by solid acid was a promising "green" process. 指出固体酸催化甲基叔丁基醚的氨化是值得开发的绿色化工技术。
- The range of organic nitrogen forms was nonhydrolysable N>amino acid N>ammonium N> hydrolysable unidentified N>amino sugar N under fertilization conditions. 不同施肥处理有机氮各组分含量随著土层的加深而下降,与有机质的变化规律一致;
- Solid acid catalyst can be substituted for sulphuric acid as esterification catalyst. 固体酸催化剂是能够代替硫酸作为酯化的催化剂。
- The effects of the amount of sodium bisulfate monohydrate,the amount of n butyl alcohol and reaction time on the yield of n butyl gallate have been investigated. 以没食子酸和正丁醇为原料,采用一水合硫酸氢钠作催化剂合成没食子酸正丁酯。
- The solid acid showed a high catalytic activity. At 3 h reaction time, the convertion of acetic acid reached 97.7%. 该固体酸对乙酸丁醇酯化反应有很高的催化活性;催化酯化反应3h;乙酸的转化率高达97.;7%25。
- A new solid acid based on heteropolyacid has been proved to be a useful catalyst for the synthesis of dibutyl maleate. 新催化剂在顺丁烯二酸二丁酯的合成反应中显示很好的活性和温和的反应条件。
- It point out th solid acid catalyst that we have atudied are all good catalyst for synthesis of diamyl meleat. 指出固体酸催化剂是催化合成马来酸二戊酯的良好催化剂。