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Keywords cyclohexanone rectification residuum;formaldehyde;compound acid catalyst;resin;pyromellitic dianhydride; 环己酮精馏残渣;甲醛;复合酸催化剂;树脂;均苯四甲酸酐;
compound acid catalyst 复合酸催化剂
A new ketone resin is prepared from residuum of cyclohexanone rectification and formaldehyde with compound acid as catalyst,it is modified with pyromellitic dianhydride. 以环己酮精馏残渣和甲醛为原料，用复合酸作催化剂，通过均苯四甲酸酐改性，合成一种新的酮树脂。
Compared it with acid catalyst, organotin compound has the advantages of having no pollution and corrosiveness for apparatus as well as little capacity being used. 有机锡化合物与酸催化剂相比，具有用量少、无污染、不腐蚀仪器设备等优点。
Glycol glucoside was prepared from glucose and ethylene glycol in the presence of acid catalyst. 在酸性催化剂下,由葡萄糖和乙二醇经缩醛化反应制备了乙二醇葡糖苷。
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。
Dioctyl phthalate was synthesized using di n octyl tin oxide as an aprotic acid catalyst. 用氧化二辛基锡催化合成邻苯二甲酸二辛酯。
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。
Etherification of butanol with ethylene oxide by a new style solide acid catalyst is investigated. 研究了丁醇和环氧乙烷在一种新型固体酸催化剂上的醚化反应。
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。
Terpineol was conveniently prepared by a new type solid acid catalyst without pollution. 研究了新型固体酸催化剂催化合成松油醇的新工艺。
In the presence of acid catalyst,glycol polyglucoside was synthesized with starch and glycol as material. 以玉米淀粉和乙二醇为原料,在酸催化下合成淀粉基乙二醇糖苷。
The solid acid catalyst attracted much attention as the transesterification catalyst in recent research. 固体酸性催化剂作为酯交换的催化剂是当前的研究热点。
Synthesis of dimethyfumarate( DMF) was studied with easterification of fumaric acid and methanol catalyzed by supported phospho tungstic acid catalyst( PW12). 以富马酸和甲醇为原料,用滑石分子筛固载磷钨酸催化合成富马酸二甲酯。
Fructone - B was synthesized sing silicotungstic acid catalyst absorbed on activated carbon from ethyl ace-toacetate and 1,2 - propylene glycol with the recovery of 95% . 以乙酰乙酸乙酯和1,2-丙二醇为原料,用活性碳固载硅钨酸作催化剂合成了苹果酯-B,产率达95%25。
A novel solid acid catalyst,H3PW12O40(HPW) supported on HZSM-5, has been prepared for use in the esterification of acrylic acid(AA) with n-butanol. 制备了负载型疏水性固体酸催化剂H3PW12O40/HZSM-5,并将该疏水性固体酸催化剂用于丙烯酸(简称AA)与正丁醇的酯化反应中。
Modification of coal tar pitch(CTP) as carbon materials was studied using 4-methyl benzaldehyde(4-MB) as modifier by an acid catalyst. 以对甲基苯甲醛(4-methyl benzaldehyde,简称4-MB)为改性剂,在对甲苯磺酸(PTS)的作用下对煤沥青进行了改性研究。
Effect of temperature on gasoline olefins cracking reaction over acid catalysts in fixed fluidized bed(FFB)reactor was studied and 1-heptene was used as model compound. 以1-庚烯为模型化合物,在小型固定流化床上研究了反应温度对汽油烯烃在酸性催化剂上反应的影响。
Vapor phase synthesis of 2,3,5-trimethyl phenol from methanol and 3,5-dimethyl-phenol over solid acid catalyst was studied in a fixed bed reactor. 制备并考察了甲醇甲基化法合成2,3,5-三甲基苯酚的固体酸催化剂,进行了甲基化反应工艺条件的优化研究。