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- Quaternary ammonium chitosan 壳聚糖季铵盐
- The preparation methods of quaternary ammonium salt of chitosan at home and abroad, meanwhile were introduced, and heir advantages and shortcomings were compared. 摘要对目前国内外壳聚糖季铵盐的制备方法加以介绍,并比较了它们的优缺点。
- Quaternary ammonium salt of chitosan was synthesized starting from chitosan, triethylamine and ethyl chloroacetate by ester exchange reaction. 以三乙胺、氯乙酸乙酯和壳聚糖等为原料,采用酯交换法合成了壳聚糖季铵盐。
- The results showed that the antimicobial activity of single-substitute quaternary ammonium salts of chitosan were lessen than that of the binay-substitute derivatives. 实验结果表明,单取代壳聚糖季铵盐抗菌活性弱于双取代壳聚糖季铵。
- Flocculation of kaolin suspensions using ternary polymerization flocculant(CAS) synthesized by chitosan(CTS),acrylamide and ethyl acrylate quaternary ammonium salt was investigated in lab-scale. 采用烧杯混凝实验研究了壳聚糖(CTS)、CTS与丙烯酰胺和丙烯酸乙酯季铵盐三元接枝共聚阳离子絮凝剂(CAS)对高岭土悬浊液的絮凝特性。
- Optical properties of doped quaternary ammonium salt KDP crystals[J]. 引用该论文 许心光;孙洵;王正平;许贵宝;高樟寿;邵宗书.
- Chitosan quaternary ammonium salt 壳聚糖季铵盐
- N-tri-methyl quaternary ammonium salt of chitosan N-三甲基壳聚糖季铵盐
- O-substituted chitosan quaternary ammonium salt O-季铵盐壳聚糖
- quaternary ammonium salt of chitosan 壳聚糖季铵盐
- An antistatic agent of polyacrylamide quaternary ammonium compound was designed and synthesized. 设计合成了聚丙烯酰胺季铵盐类的抗静电剂。
- This paper mostly describes the study of the preparation of organosilicon quaternary ammonium salt and the study of the antimicrobial effect. 摘要研究有机硅高分子氨乙基氨丙基硅油的季铵化及其抗菌性能。
- EI/MS and ESI/MS were used for the analysis of quaternary ammonium salt cationic surfactants. 以电子轰击质谱法(EI/MS)与电喷雾质谱法(ESI/MS)相结合,分析季铵盐型表面活性剂。
- In the previous work,a conformational rule was proposed for Hofmann elimination of quaternary ammonium hydroxides. 本文合成了12种含环戊基或环己基的第四级铵碱,使之发生Hofmann消除反应。
- In this paper, the new cyclic quaternary ammonium salt DCAS was designed and synthesized. 设计并合成了新的环状季铵盐DCAS。
- These anions were separated on a Vydac 302 IC quaternary ammonium phase column using aqueous solution of 0. 选用四硼酸钠及对紫外光有较强吸收的邻苯二甲酸作为流动相的主要成分,用以洗脱和分离无机阴离子。
- Abstract :Double alkyl quaternary ammonium salts have been prep ared through bromoalkane, an intermediate material. (摘要) 以溴代烷为原料制备了双烷基二甲基溴化铵 系列产品。
- Various iodinated strong base quaternary ammonium anion exchange resins were prepared. 制备了数种不同的强碱型阴离子碘化树脂。
- Transparent hair shampoo was prepared using poly siloxane quaternary ammonium salt microemulsion as a conditioner. 以聚硅氧烷季铵盐微乳液为调理剂制备透明洗发香波。
- Using fatty alcohol as starting material, double octyl quaternary ammonium bromide was obtained.It's yield reached 80%. 以脂肪醇为原料,合成了双辛基季铵溴盐,其产率达80%25。