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- Keywords super acid;proton;nucleophile;conjugate; 超强酸;共轭;质子;亲核;
- It points that using solid super acid as catalyst is a more effective method for the synthesis of methyl glycolate. 指出固体超强酸催化偶联法是较适用的合成乙醇酸甲酯的方法。
- The synthesis of butyl formate from formic acid and butanol was catalyzed by this super acid. 对羟基苯甲酸与正丁醇在对甲苯磺酸催化下,微波幅射法合成对羟基苯甲酸丁酯。
- A spray drying process of preparation of diisporopyl malonate with super acid as catalyst was studied. 介绍了一种以喷雾干燥脱水,以超强酸催化酯化合成丙二酸二异丙酯的方法。
- Keywords isooctyl mercaptoacetate;solid super acid; 巯基乙酸异辛酯;固体超强酸;
- Isooctyl choloroacetate was synthesized by choloroacetic acid and isooctanol with our self-made solid super acid as the catalyst. 以自制固体超强酸为催化剂,以氯乙酸和异辛醇为原料合成氯乙酸异辛酯。
- The preparation method of tributyl citrate and acetyl tributyl citrate by solid super acid,rare earth solid acid,heteropoly acid et al.were reviewed. 介绍了固体超强酸、稀土固体酸,杂多酸等催化剂的催化效果和特点。
- Methyl isonicotinate was synthesized using isonicotinic acid and anhydrous methanol as raw materials in presence of solid super acid as catalyst. 以异烟酸、无水甲醇为原料,固体超强酸做催化剂,合成了异烟酸甲酯。
- The paper reviews catalysts used in acetic ester synthesis replacing strong sulfaric acid catalyst such as: zeolites solid heteropoly acid . solid super acid phase transfer etc. 对近年来用沸石分子筛、体杂多酸、体超强酸、转移等催化剂代替浓硫酸钾化利合成醋酸酯类的研究进展进行了综述.
- A spray drying process of preparation of diisporopyl malonate with super acid as catalyst was studied. The yield and purity were above 90% and 96%, respectively. 介绍了一种以喷雾干燥脱水,以超强酸催化酯化合成丙二酸二异丙酯的方法。产品收率>90%25,纯度>96%25。
- Keywords super alloy;friction welding;precipitates; 高温合金;摩擦焊;析出相;
- Reaction catalyzed by solid super acid to synthesize alkyl-polyglycoside is reported.The best reaction activity of solid super acid catalyst is discussed.The conversion of glucose arrived to 99%. 报道了固体超强酸作催化剂合成烷基葡萄糖多苷的反应,并讨论了固体超强酸的最佳反应活性,葡萄糖转化率达99%25。
- Keywords Super Nine;flatiron;improvement.; 超九;烙铁;改进;
- Keywords Super narrow cage Grabber Reformed design; 过窄罐笼;抓捕器;改造设计;
- The synthesis methods of nipagin esters catalyzed by sulfuric acid, p- toluene sulfonic acid, ferric sul-fate hydrate, ferric chloride hexahydrate, aluminium chloride hexahydrate, rare earth compound, solid super acid and heteropoly acid were reviewed. 评述了采用硫酸、甲苯磺酸、合硫酸铁、水合三氯化铁、水合三氯化铝、土化合物、体超强酸和杂多酸等催化剂催化合成对羟基苯甲酸酯的方法。
- The latest progress on the researches of zeolite superacid catalysts, which is a novel catalyst possessed the advantages of both zeolite and super acid catalysts, was reviewed in this paper. 分子筛超强酸为一种同时具备分子筛和超强酸的特性的新型催化材料,在此介绍了这类催化剂的最新研究情况。
- Reaction catalyzed by solid super acid to synthesize alkyl polyglycoside is reported.The best reaction activity of solid super acid catalyst is discussed.The conversion of glucose arrived to 99 %. 报道了固体超强酸作催化剂合成烷基葡萄糖多苷的反应,并讨论了固体超强酸的最佳反应活性,葡萄糖转化率达99%25。
- Keywords super absorption resin;graft copolymerization;corn starch;acylic acid; 高吸水性树脂;接枝共聚;玉米淀粉;丙烯酸;
- 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) 。