E heterogeneous ion exchange membrane is made from styrene sulfonic acid type cation - exchange resin and styrene quaternary ammonium type anion - exchange resin , with pe as adhesive agent 聚乙烯异相离子交换膜聚乙烯异相离子交换膜是由苯乙烯磺酸型阳离子交换树脂、苯乙烯季铵型阴离子交
Several polyoxyethylene type quaternary ammonium salt cationic surfactants were selected to investigate their interaction with acid dyes and influence on the dyeing properties 摘要选择了几种聚氧乙烯型季铵盐阳离子表面活性剂，探讨了这些表面活性剂与酸性染料的相互作用以及对染料染色性能的影响。
The major sanitizers ( chlorine , bromine , iodine , trisodium phosphate , quaternary ammonium compounds , acids , ozone ) used for vegetable decontamination were summarized . the advantages and disadvantages were also disoussed 摘要综述了净菜常用的消毒杀菌剂如卤素及卤素化合物、离子化合物质、有机酸、活性氧化合物等各自的优缺点。
At present , sodium bentonite was used as main raw material , and cationic surfactants such as long carbon chain quaternary ammonium salt and alkylamine were used as modifying agents when synthesize organobentonites 目前，制备有机膨润土所用的原料主要为钠基膨润土，所用的插层剂主要是阳离子表面活性剂，如长碳链季铵盐、烷基胺等。
Manufacturer of phase transfer catalysts and organic quaternary ammonium compounds , located in india . other products include quaternary phosphonium compounds , pyridinium salts , and methylating and brominating agents -专业生产氟化苯甲酸系列医药中间体,如对氟苯甲酸间氟苯甲酸间溴苯甲酸2 -氯- 4 -氟苯甲酸2 -硝基- 4 -氟苯甲酸3 ， 5 -二氟苯甲酸等。
After interfacial polymerization , the module was filled with a 10 % ( wt . % ) aqueous trimethylamine solution and kept for 24 hours to convert the chloromethylated groups into cationic quaternary ammonium groups 当界面聚合反应完成后，将膜浸入浓度为10的三甲胺溶液郑州大学硕士学位论文中，通过化学修饰将其氯甲基基团转化成阳离子季胺盐基团。
Epoxy resin / montmorillonite clay nanocomposite was prepared by intercalating with epoxy and organic montmorillonite clay , which was modified with the long chain quaternary ammonium salts with two positive ions in a molecule as the organic processing reagent 摘要采用双子季铵盐对蒙脱土进行有机化处理，再与环氧树脂进行插层复合制备了环氧树脂蒙脱土复合材料。
Six quaternary ammonium tetraphenyl borates salt photobase generators were synthesized with the use of p - methoxy phenacylmethylene or 2 - naphthoymethylene as chromophore , and triethylene diamine , pyridine or 3 - methyl pyridine as tertiary amine 摘要以对甲氧基苯乙酮、萘乙酮生色团为母体、杂环叔胺三亚乙基二胺，吡啶， 3 -甲基吡啶和四苯硼盐为原料，合成了6种四苯硼季铵盐光产碱剂。
It is mainly used as chemical intermediate , can be used as insecticide , for example making pesticide toad killing agent ; it can also be used to prepare quaternary ammonium compound to change property and synthesize various kinds of processing accessory ingredients and additives 四、用途主要用于化学中间体，可作杀虫剂，如制造农药杀蟆丹；还可制备季胺化合物，作为改性合成各种处理助剂和添加剂。
However , the reserves of calcium bentonite is low and the surfactants are expensive , which bring many difficulties to industrialization . in this paper , an abundant and low cost raw material , calcium bentonite , and several new modifying agents such as compound quaternary ammonium salt with cheap caprolactam or anionic surfactant or silane coupling agent were used to synthesize new - type organobentonites , in the principal of efficient , cheap and simple 作者尝试以资源十分丰富的钙基膨润土为原料，依据高效、廉价、使用简单的原则，以传统插层剂季铵盐为基础，分别用价格较低的己内酰胺、阴离子表面活性剂、硅烷偶联剂部分取代季铵盐作插层剂，来制备新型的有机膨润土。
