quaternary salt

Synthesis and properties of quaternary ammonium salt cationic surfactant with different esterification degree

不同酯化度的酯基季铵盐阳离子表面活性剂的制备及性能

A novel bi-pyridine quaternary ammonium salt cationic surfactants was prepared by acrylic modified rosin.

普通松香通过丙烯酸改性,与氯化亚砜、甲醛、吡啶合成新型吡啶双季铵盐阳离子表面活性剂.

Like tertiary ammonium, quaternary ammonium salt has accelerating effect on curing of acid anhydride/ epoxy resin system and has a certain degree of latent tendency.

本文研究了季铵盐对酸酐/环氧树脂体系的促进作用.结果表明，这种季铵盐与叔胺一样可作为酸酐/环氧树脂固化体系的促进剂，且具有一定的潜伏性。

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。

Determination of quaternary phosphonium salt tributyl tetradecyl

季粦盐三丁基十四烷基氯化粦（TTPC）的测定

It was pointed out that the quaternary ammonium salt was the most important phase transfer catalyst.

指出了此类合成反应中所采用的重要相转移催化剂是季铵盐类.

Objective: To study the effects of quaternary ammonium salt derivative of haloperidol ( F-2) on experimental arrhythmia induced by barium chloride ( BaCl-2).

目的：研究氟哌啶醇季铵盐衍生物（F2）抗实验性大鼠心律失常的作用。

OBJECTIVE To study the synthesis of quaternary ammonium salt derivatives of haloperidol and their vasodilative activities.

目的合成氟哌啶醇季铵盐衍生物及其还原物并研究它们的扩血管活性.

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.

The ionic liquids formed from anhydrous AlCl 3 with low-carbon-chain quaternary ammonium salt such as tetrabutylammonium bromide or triethylamine hydrochloride exhibit the advantage of easy separation from reaction mixture. The isolated yield of 1,2-bis ( 3,4-dimethylphenyl) ethane is in the range of 40%~ 60%.

短碳链季铵盐四丁基溴化铵或三乙胺盐酸盐与无水AlCl3形成的离子液体具有与产物易于分离的优点，1,2-双（3,4-二甲基苯基）乙烷的分离产率为40%～60%。