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- In this paper reported a new technology of preparing butyl gallate from sodium gallate and n-chlorobu-tane. 报道了由没食子酸钠和氯代正丁烷合成没食子酸丁酯的新工艺。
- The effects of the amount of sodium bisulfate monohydrate,the amount of n butyl alcohol and reaction time on the yield of n butyl gallate have been investigated. 以没食子酸和正丁醇为原料,采用一水合硫酸氢钠作催化剂合成没食子酸正丁酯。
- The n butyl gallate was synthesized by esterification of butyl alcohol and gallic acid in catalysis of p methyl toluenesulfonic acid (PTSA) induced by microwaves. 采用微波辐射技术,以对甲苯磺酸(PTSA)作催化剂,没食子酸和正丁醇直接酯化合成没食子酸正丁酯。
- Keywords n butyl gallate;microwave;esterification;PTSA; 没食子酸正丁酯;微波;酯化;PTSA;
- Keywords butyl gallate;nanometer solid super-acid SO42/Fe2O3;direct esterification; 没食子酸正丁酯;纳米固体超强酸;直接酯化;
- butyl gallate 丁基没食子酸
- The compound butyl rubber is calendered. 将混制成的丁基橡胶进行精压。
- To bring a butyl group into(a compound). 丁基化将丁基组引入(某化合物)
- Possess of unique butyl quantity alarm system. 特有胶量报警系统。
- Reasonable butyl spreading system and low pressure. 出胶系统合理,压力低。
- Objective:To improve the synthesis technology of n-butyl gallate. 目的:改进没食子酸正丁酯的合成工艺。
- To study antimutation of epigallocatechin gallate(EGCG). 目的研究表没食子儿茶素没食子酸酯(EGCG)抗突变作用。
- Method We measured SCHE by Butyl Cholinesterase Sulfide method. 方法利用硫代丁酰胆碱法检测血清胆碱酯酶。
- Propyl gallate known as a familiar antioxidant,is widely used in food industry. 没食子酸丙酯作为一种常见的抗氧化剂已被广泛应用于食品行业。
- Result:In optimal conditions,the yield of n-butyl gallate was over 93.8%. 结果:在最佳实验条件下没食子酸正丁酯收率达93.;8%25。
- Kerosene and butyl xanthate were used as collectors in bulk flotation. 混合浮选采用煤油加丁基黄药作为捕收剂。
- An ampoule of amyl nitrite or butyl nitrite used as a stimulant drug. 玻璃瓶用作兴奋剂的亚硝酸戊酯或亚硝酸丁酯的小玻璃药水瓶
- The formulas for these phenolic compounds are Epigallocatechin gallate is the main flavanol in dried green tea. 这些酚类化合物的分子式为: 表儿茶素酸酯是干绿茶中的主要黄烷醇。
- Uses: Performance: anti-corrosion properties see right Ethylparaben, and butyl. 用途: 性能:防腐性能参见对尼泊金乙酯和丁酯。
- 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。