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- A new colloid titration method for analyzing the degree of substitute (DS) of amphoteric starch with carboxylic and quaternary ammonium groups is first developed in this work. 摘要首次提出了用胶体滴定法测量季铵盐羧酸型两性淀粉的阴、阳离子取代度。
- The cationic starch with high degree of substitution bearing quaternary ammonium groups was prepared via reaction of starch with glycidyl trimethyl ammonium chloride (GTA) using the dry process. 3环氧丙基)三甲基氯化铵(GTA)阳离子化试剂,干法制备了高取代度季铵型阳离子淀粉。
- Synthesis and Property of Nano-fumed Silica Derivative with Quaternary Ammonium Group 气相法纳米二氧化硅季胺盐衍生物的合成和性能
- Keywords Polymeric adsorbent with quaternary ammonium group;Polydivinylbenzene;Adsorption;Stevia glycosides; 季铵基吸附剂;二乙烯苯聚合物;吸附;甜菊甙;
- quaternary ammonium group 季铵基
- SYNTHESIS OF POLYMERIC ADSORBENTS WITH QUATERNARY AMMONIUM GROUPS AND THEIR APLICATION IN EXTRACTION AND SEPARATION OF STEVIA GLYCOSIDES 季铵基吸附树脂的合成及其在甜菊甙提取分离中的应用
- SYNTHESIS, STRUCTURE AND APPLICATION OF CATIONIC STARCH FLOCCULANT BEARING QUATERNARY AMMONIUM GROUPS BY MICROWAVE RADIATION IN DRY PROCESS 季铵型阳离子淀粉絮凝剂的微波干法合成、结构表征及应用研究
- The preparation and respective characteristics of polysiloxane with polyether, amino, quaternary ammonium, alkyl and so on functional group are summarized. 阐述了带有聚醚基、氨基、季铵基和烷基等功能基聚硅氧烷的制备方法以及它们各自的特性。
- 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.
- The difference of ammonia, amido, amino group and quaternary ammonium salt, some common wrong expressions on them, and the valence state of phosphorus in some of its oxyacid were pointed out. 指出了氨、氨基、胺基及季铵盐的区别及其常见错误表述,以及磷的几种含氧酸中磷的价态,并着重指出没有“次亚磷酸”的叫法。
- Result showed that dialkyl quaternary ammonium salts inhibited the growth of Aeromonas hydrophila and Flexibacter colnmnaris,and the short alkyl group is more effective than the long one. 结果表明,双烷基季铵盐对嗜水气单胞菌和柱状屈桡杆菌生长均具有一定抑制作用,且短链双烷基季铵溴盐比长链的抑菌效果好。
- 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。