1) DPQAC
双烷基聚氧乙烯基三季铵盐
1.
The kinetics of red tide organisms(Heterosigma akashiwo and Scrippsiella trochoidea) coagulation with clays modified by dialkyl-polyoxyethenyl quaternary ammonium compound(DPQAC) was studied using spectrophotometer and fluorometry,and the effects of different kinds and concentrations of clays,the second component DPQAC added in clays and pH on the coagulation rate were examined.
采用分光光度计法和活体荧光计法,研究了吉米奇类表面活性剂双烷基聚氧乙烯基三季铵盐(DPQAC)改性粘土对2种赤潮生物赤潮异弯藻和锥状斯氏藻的絮凝沉降动力学,比较了2种实验方法的不同,并对几种影响絮凝沉降的因素进行了研究。
2) TPQAC
三烷基聚氧乙烯基三季铵盐
1.
Systematic study of the sorption behavior of Gemini surfactant trialkyl-polyoxyethenyl quaternary ammonium compound(TPQAC) on kaolin and bentonite was carried out by UV-1100 spectrophotometer in order to verify the effectivity of TPQAC as the reagent for clay modification.
为了证明吉米奇类表面活性剂三烷基聚氧乙烯基三季铵盐(TPQAC)对粘土改性的有效性,利用UV-1100紫外可见分光光度计对其在2种粘土高岭土和膨润土上的吸附行为进行了研究,发现其在2 min内基本可以达到吸附平衡,吸附模式较好的符合双表面Langmuir吸附等温线,吸附量大,经红外分析发现其可以对粘土进行有效改性。
4) quaternary ammonium silicone
三甲氧基硅烷季铵盐
1.
The quaternary ammonium silicone was synthesized by one-step reaction of γ-chloropropyl trimethoxy silane and 12/14 alkyldimethylamine,catalyzed by sodium iodide.
本文以γ-氯丙基三甲氧基硅烷,12/14叔胺为原料,碘化钾为催化剂,采用一步反应直接合成了三甲氧基硅烷季铵盐,并考察了催化剂用量、原料配比、反应时间以及温度、溶剂对反应的影响。
5) double alkyl quaternary ammonium salts
双烷基季铵盐
1.
Preparation of double alkyl quaternary ammonium salts and studies of their bactericidal performance;
双烷基季铵盐的制备与杀菌性能研究
6) dialkyl quaternary ammonium salts
双烷基季铵溴盐
1.
The results showed that both dialkyl quaternary ammonium salts can restrain the growth of aeromonas hydrophila and flexibacter colnmnaris,and the short one was more effective than the long one while comparing their inhibiting effects to aquatic pathogenic bacteria.
以溴代烷烃为原料制备了两种不同链长的双烷基季铵溴盐,并用试管两倍稀释法进行了抑制水产动物病原菌的生长实验。
2.
Inhibition effect of several dialkyl quaternary ammonium salts on aquatic pathogenic bacteria was tested by double dilution method in tubes.
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。
补充资料：季铵盐
分子式：
CAS号：
性质：又称四级铵盐。可用氨或胺的彻底烃基化反应得到，通式可用R4N+X-表示，R可以是饱和基团、不饱和基团和芳香基团等，可相同也可不相同。是一类离子型物质，多为白色晶体或粉状。溶于水，不溶于乙醚。熔点较高，一般在熔点时分解。与碱作用生成季铵碱。是一类优良相转移催化剂(例如氯化三乙基苯甲基铵，TEBA)、阳离子表面活性剂(例如皂胺)、植物生长刺激素(例如矮壮素chlormequat chloride，C1CH2CH2N(CH3)3C1)、医药(例如，抗热药物氯化氨甲酰甲胆碱H2NC-CCHCH2N(CH3)3C1-)，以及有机合成试剂等。
CAS号：
性质：又称四级铵盐。可用氨或胺的彻底烃基化反应得到，通式可用R4N+X-表示，R可以是饱和基团、不饱和基团和芳香基团等，可相同也可不相同。是一类离子型物质，多为白色晶体或粉状。溶于水，不溶于乙醚。熔点较高，一般在熔点时分解。与碱作用生成季铵碱。是一类优良相转移催化剂(例如氯化三乙基苯甲基铵，TEBA)、阳离子表面活性剂(例如皂胺)、植物生长刺激素(例如矮壮素chlormequat chloride，C1CH2CH2N(CH3)3C1)、医药(例如，抗热药物氯化氨甲酰甲胆碱H2NC-CCHCH2N(CH3)3C1-)，以及有机合成试剂等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条