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1楼 2008-01-18 15:58:11

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第一篇
Accession number:  070310373719

Title:  Polymerisable divalent di-quaternary ammonium cationic surfactant

Authors:  Liu, Kangkai; Gao, Baojiao; Li, Lei

Author affiliation:  Department of Chemical Engineering, North University of China, Taiyuan 030051, China

Serial title:  Shiyou Huagong/Petrochemical Technology

Abbreviated serial title:  Shiyou Huagong

Volume:  v 35

Issue:  n 11

Issue date:  November 2006

Publication year:  2006

Pages:  p 1082-1085

Language:  Chinese

ISSN:  1000-8144

CODEN:  SHHUE8

Document type:  Journal article (JA)

Publisher:  Beijing Research Institute of Chemical Industry, Beijing, China

Abstract:  A novel polymerisable methacrylate monovalent quaternary ammonium bromide (PMQ) surfactant was synthesized from methacryloyl chloride, 11-bromoundecan-1-ol, 4-[2-(dimethylamino) ethy] morpholine and methyl bromide. The end product polymerisable methacrylate divalent diquaternary ammonium dibromide (PDQ) surfactant was prepared by a three-step synthesis: one step of acryloyl chlorinatin and two steps of quaternarizations under appropriate conditions. The product was characterized by means of elemental analysis and 1H NMR. Measurements of surface tension and conductivity at different temperatures showed that its surface activity is higher than conventional surfactants. Critical micelle concentration (CMC) of PDQ in pure water at 25°C is 3.24 × 10-2 mol/L and the corresponding surface tension γCMC is 40.95 mN/m.

Number of references:  15

Database:  Compendex

Compilation and indexing terms, © 2007 Elsevier Inc. All rights reserved

第二篇没有找到，2007 Vol.70 No.5 P.366-370，可能EI还没来得及收录

[ Last edited by cn_wx on 2008-1-18 at 17:54 ]