您要查找的是不是:
- phosphotungstic heteropolyacid 磷钨杂多酸
- Keywords silver phosphotungstate heteropolyacid;isoamyl acetate;esterification; 磷钨杂多酸银盐;醋酸异戊酯;酯化反应;
- 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。
- This paper describes the direct synthesis of octyl\|glucoside with supported heteropolyacid catalysts. 本文以负载型杂多酸为催化剂,以葡萄糖和正辛醇为原料,直接法合成辛基多苷。
- Using the phosphotungstic acid immobilized on active carbon as catalyst, the iso-amyl gallate was synthesized directly by esterifying isoamyl alcohol and gallic acid. 摘要以活性炭固载磷钨酸作为催化剂,用没食子酸与异戊醇直接酯化合成了没食子酸异戊酯。
- Fructone was synthesized from ethyl acetoacetate and glycol using activated carbon supported phosphotungstic acid as catalyst. 以活性炭负载磷钨酸为催化剂合成了苹果酯,确定了反应的最优条件。
- Cyclohexene was synthesised by dehydration of cyclohexanol using phosphotungstic acid supported on active carbon as catalyst. 以活性炭负载磷钨酸作催化剂,对环己醇脱水制备环己烯的反应进行研究。
- The development of heteropolyacid catalysts and its preparation, constitution, properties and application field were described briefly. 叙述了国内外杂多酸催化剂的研究情况,简要地介绍了杂多酸催化剂的制备、结构和催化性能及其应用领域。
- A method for synthesis of namyl lactate based on activated carbon supported phosphotungstic acid as catalyst was developed. 以磷钨酸/活性涂为催化剂,催化酯化合成乳酸正戊酯。
- Properties of catalysts such as fluorinated silica-alumina,molecular sieve,heteropolyacid and ionic liquid were evaluated. 在反应技术方面,UOP工艺比氯化法和脱氯化氢法更具竞争力,介绍了UOP工艺的各种改进方案。
- The process of m-IPT synthesis with toluene and propylene as raw mterial under the catalytic action by supported heteropolyacid was studied. 研究了负载型杂多酸的催化作用下,以甲苯和丙烯为原料进行烷基化反应合成间甲基异丙苯的工艺过程。
- The reaction of the synthesis of dibutyl adipate catalyzed by phosphotungstic acid supported on activated carbon was studied. 研究了用活性炭固载磷钨酸催化合成己二酸二丁酯的反应。
- Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst. 以醋酸和乙二醇单乙醚为原料,活性白土负载磷钨酸作为催化剂,合成了乙二醇单乙醚醋酸酯。
- A series of trimethylolhexane triheptyl esters were synthesized from trimethylolhexane with special kinds of supported phosphotungstic acid catalyst. 以自制三羟甲基己烷为原料,采用自制的负载磷钨酸催化剂催化合成一系列三羟甲基己烷脂肪酸酯。
- A series of hydroformylation catalysts were prepared by supporting Rhodium complex in the supporters modified by phosphotungstic acid. 将铑络合物担载于磷钨酸改性的载体上制备了一系列新型催化剂。
- In this paper it have bee introduced that the research achievement on synthesis of esters by heteropolyacid catalyzed carboxylic acid and alcohols in recent years. 介绍了近年来杂多酸及其盐作为酸催化剂在催化酸与醇反应合成酯的研究成果。
- P_2Mo_(18)/PANI(S_1) and P_2Mo_(17)V/PANI(S_2) electron polymer materials were prepared by using Dawson structure heteropolyacid (D-HPA) as proton acid, oxidizer and depart. 以Dawson结构杂多酸(D HPA)为氧化剂、质子酸和掺杂剂;制备了高纯度的P2Mo18/PANI(S1)和P2Mo17V/PANI(S2)电子聚合物材料.
- Isopropyl 1,3 benzodioxolane was synthesized from catechol and isobutyric aldehyde using the phosphotungstic acid supported on activated carbon as catalyst. 以邻苯二酚和异丁醛为原料,活性炭固载磷钨酸为催化剂合成了杀虫剂呋喃丹的中间体2-异丙基-1,3-苯并二氧五环。
- Adding heteropolyacid to extracted acetic acid can separated the basic nitrogen compounds from acetic acid.So acetic acid can be recycled as extractant. 在抽提后的乙酸中加入杂多酸可使乙酸中的碱氮分离出来,乙酸可以循环使用。