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- A series of gallate ester were prepared in use of dodecyl benzene sulfonic acid as catalyst. 以工业用十二烷基苯磺酸为催化剂制备了一系列没食子酸酯,讨论了影响酯化反应的各种因素。
- The n-octyl gallate was prepared by esterification of alcohol and gallic acid in catalysis system of dodecyl benzene sulfonic acid. 以十二烷基苯磺酸为催化剂,酸醇直接酯化合成没食子酸正辛酯。
- Abstract： Octadecyl acrylate was synthesized by direct-esterification from octadecyl alcohol and acrylic acid taking p-methy benzene sulfonic acid as catalyst. 摘 要： 以丙烯酸和十八醇为原料，由酯化反应合成丙烯酸十八酯。
- Alkyl polyglucosides were prepared from glucose and lauryl alcohol by one step reaction using p-toluenesulfonic acid and dodecyl benzene sulfonic acid as catalysts respectively. 分别采用对甲苯磺酸和十二烷基苯磺酸为催化剂进行了一步法由葡萄糖和月桂醇制备烷基糖苷的工艺研究。
- The synthetic processes of phthalic anhydride diglycol ester using sulfuric acid and methyl benzene sulfonic acid as catalysts,respectively,were investigated. 讨论了邻苯二甲酸酐一缩二乙二醇酯的合成工艺,分别以硫酸和对甲基苯磺酸为催化剂合成邻苯二甲酸酐一缩二乙二醇酯。
- Coal tar , acetic acid,dodecylbenzene Sulfonic Acid. 本品为深褐色液体；有醋酸及煤焦油的特臭。
- Overbased magnesium sulphonate using one-step process which adoped the most effectible promoter systems was commercially produced from synthetic alkyl benzene sulfonic acid obtained from UOP dehydrogenate process and magnesium oxide. 以UOP脱氢工艺重烷基苯工业磺酸和工业氧化镁为主要原料 ,采用高效促进剂体系 ,按确定的一步法工艺技术 ,在中型及大规模生产装置上生产质量和性能优异的超高碱值合成磺酸镁工业产品。
- It was found that in the solution of dodecyl benzene sulfonic acid sodium(DBS),effective energy transfer can occur(between) AO and rhodamine 6G even when the concentration of the dyes is very low. 在十二烷基苯磺酸钠水溶液中,吖啶橙与罗丹明6G染料分子间相互作用发生有效能量转移。
- DMC was prepared by cracking reaction of the waste silicone products,which were the waste silicone oil and waste silicone rubber tailings,in the presence of dodecyl benzene sulfonic acid and catalyst. 以废有机硅制品(如废硅油、废硅橡胶制品下脚料等)为原料,在十二烷基苯磺酸和催化剂存在下裂解,得到硅氧烷混合环体。
- The catalytical characteristics of nine catalysts, such as sulfuric acid, benzene sulfonic acid, heteropolyacids and molecular sieve, etc., are studied for condensation of formaldehyde with xylene. 研究了硫酸、苯基磺酸、杂多酸、分子筛等9种催化剂对甲醛与二甲苯缩合反应的催化性能。
- The results show that the concentrated sulfuric acid and benzene sulfonic acid have better activities, and a higher product yield is obtained by using the concentrated sulfuric acid as catalyst. 结果表明，浓硫酸和苯基磺酸具有较高的催化活性，而且单位硫酸的产品产率高。
- Sulfonic acid is a foaming acid available from some of the oil companies. 磺酸是从一些炼油公司获得的一种起泡酸。
- Eastman-AQ is a new kind of polymer (ester sulfonic acid) cation exchanger. Eastman-AQ(AQ-55D,AQ-29D)是一种新的聚合物(磺酸酯)阳离子交换剂,涂于玻碳电极上,形成的膜具有强的附着力、高的选择性、良好的离子交换及防污性能。
- Method phenol sulfonic acid chromatometry was used in the experiment. 结果翼首草含糖量较高,且不同药用部位含糖量不同。
- Linear alkyl benzene sulfonic acid 线性烷基苯磺酸
- meta-nitro benzene sulfonic acid sodium salt 间硝基苯磺酸钠
- lauryl benzene sulfonic acid sodium 十二烷基苯磺酸钠
- Method The rat model of ulcerative colitis was induced with2,4,6 trinitrobenzene sulfonic acid. 方法采用三硝基苯磺酸法制备大鼠实验性溃疡性结肠炎模型。
- chloromercury benzene sulfonic acid 氯汞基苯磺酸
- Methods AEO 9 and dodecylbenzene sulfonic acid of different weight ratio were mixed in the solutions. 目的探讨脂肪醇聚氧乙烯醚(AEO)9水溶液增稠条件。
