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- 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。
- 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。
- 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。
- 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。
- Allyl phenoxyacetate was synthesized by esterification of phenoxyacetic acid and allyl alcohol catalyzed by phosphotungstic acid supported on activated carbon. 介绍了活性碳负载磷钨酸为催化剂,催化苯氧乙酸与烯丙醇的酯化反应,合成了苯氧乙酸烯丙酯。
- Synthesis of stearic acid glycol ester is studied in this paper in different reactive condition using p-Toluenesulfonic, Ortho-phosphroic and Phosphotungstic acid as catalysts. 本文以对甲苯磺酸、正磷酸、磷钨酸等为催化剂，在不同的反应条件下合成了硬脂酸乙二醇酯，讨论了酯化的反应条件对产品性能的影响。
- Ethyl p-hydroxybenzoate was synthesized with phosphotungstic acid as catalyst. Factors influencing yield were discussed. The yiela under the optimum condition was 46.4%. 以磷钨酸为催化剂合成了时羟基苯甲酸乙酯，讨论了影响合成产率的各种因素，产率可达46．4%25。
- In a 200 mL stainless steel autoclave, dimethyl 2,6 naphthalene dicarboxylate (DM 2,6 NDC) was prepared by reacting 2,6 naphthalenedicarboxylic acid (2,6 NDA) with methyl alcohol in the presence of phosphotungstic acid as catalyst. 在 0 .;2 L不锈钢高压釜中;用磷钨酸作催化剂;以 2;6萘二甲酸和甲醇为原料制备了 2;6萘二甲酸二甲酯。
- Composite proton exchange membranes are prepared with polyvinyl alcohol(PVA),phosphotungstic acid(PWA) and alumina(Al_2O_3). The proton conductivity,water uptake,swelling degree and methanol permeability of the membranes are measured. 在聚乙烯醇(PVA)中添加磷钨酸(PWA)和氧化铝(A l2O3);制得复合质子交换膜;测定其电导率、含水率、溶胀度和甲醇透过系数等性质.
- Methods:After being routinely embedded in paraffin,complete serial sections of right atria were cut and stained with HE,Masson trichrome and with phosphotungstic acid hematoxylin,10 cases were observed under light microscope. 方法 :取 1 0例家兔心脏 ,常规石蜡包埋整心连续切片 ,HE染色、Masson三色染色和磷钨酸苏木素染色后 ,在光镜下观察。
- Catalytic activity of phosphotungstic acid on synthesizing butanone 1,2-propanediol ketal was discussed,the factors influencing the synthesis were discussed and the best conditions were found out. 探讨了磷钨酸对丁酮1,2丙二醇缩酮合成反应的催化活性,研究了酮醇摩尔比、催化剂用量、反应时间等因素对产品收率的影响。
- Synthesis of n-butyl lactate is catalyzed by phosphotungstic acid and aluminium phosphotungstate. 以磷钨酸和磷钨酸铝为催化剂,用乳酸和正丁酸合成了乳酸正丁酯。
- Keywords phosphotungstic acid;ketal;apple ester B; 磷钨酸;缩酮;苹果酯-B;
- Phosphotungstic Acid Supported on Active Carbon 活性炭负载磷钨酸
- activated carbon supported phosphotungstic acid 活性炭负载磷钨酸
