[1]陈宝璠.两性聚羧酸类高聚物阳离子丙烯酸酯单体DAC的制备及其性能[J].延边大学学报(自然科学版),2015,41(04):307-312.
　CHEN Baofan.Preparation and performance of cationic acrylate monomer(DAC)for amphoteric carboxylic acid polymer[J].Journal of Yanbian University,2015,41(04):307-312.
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两性聚羧酸类高聚物阳离子丙烯酸酯单体DAC的制备及其性能

《延边大学学报(自然科学版)》[ISSN:1004-4353/CN:22-1191/N] 卷: 第41卷 期数: 2015年04期 页码: 307-312 栏目: 基础科学研究 出版日期: 2015-12-20
Title:
Preparation and performance of cationic acrylate monomer(DAC)for amphoteric carboxylic acid polymer
文章编号:
1004-4353(2015)04-0307-06
作者:
陈宝璠1; 2
1.黎明职业大学 土木建筑工程学院, 福建 泉州 362000;
2.实用化工材料福建省高等学校应用技术工程中心, 福建 泉州 362000
Author(s):
CHEN Baofan1; 2
1.College of Civil Engineering, Liming Vocational University, Quanzhou 362000, China;
2.Applied Technology Engineering Center of Fujian Provincial High Education for Practical Chemical Material, Quanzhou 362000, China
关键词:
两性聚羧酸类高聚物;  阳离子丙烯酸酯单体;  丙烯酰氧乙基三甲基氯化铵;  酯交换反应
Keywords:
amphoteric carboxylic acid polymer;  cationic acrylate monomer;  [2-(acryloyloxy)ethyl]trimethyl ammonium chloride;  transesterification
分类号:
TU528.042
文献标志码:
A
摘要:
以丙烯酸甲酯(MA)与2-氯乙醇(CE)为反应原料,通过酯交换反应制备了丙烯酸氯乙醇酯(CA)中间体,再将CA与三甲胺(TMA)水溶液反应,合成了一种用于制备两性聚羧酸类高聚物的阳离子丙烯酸酯单体(丙烯酰氧乙基三甲基氯化铵,DAC).采用FTIR和1HNMR对DAC结构进行了表征,并考察了n(TMA)/n(CA)、催化剂用量、阻聚剂用量、反应温度和反应时间对CA转化率和DAC质量分数的影响.结果显示:最佳制备工艺条件为n(TMA)/n<
Abstract:
A cationic acrylate monomer, [2-(acryloyloxy)ethyl]trimethyl ammonium chloride, DAC), used for synthetizing amphoteric carboxylic acid polymer was prepared by reaction of 2-chloroethyl acrylate(CA)intermediate and trimethylamine(TMA)aqueous solution. The 2-chloroethyl acrylate(CA)intermediate was prepared by transesterification of methyl acrylate and 2-chloroethanol. The DAC structure was identified by means of FTIR and 1HNMR. The influences of n(TMA)/n(CA), dosages of catalyst and polymerization inhibitor, reaction temperature and reaction time were investigated with the conversion rate of CA and mass fraction of DAC. The results show that the optimal technological conditions for the preparation includes: n(TMA)/n(CA)is 1.2, the dosage of catalyst is 4.5% and the dosage of polymerization inhibitor is 0.6% according to the mass of CA, the reaction temperature is 50 ℃ and the reaction time is 3 h. And the amphoteric carboxylic acid polymer was prepared by means of inverse emulsion copolymerization of DAC, acrylic acid(AA)and methoxypolyethylene glycol acrylate(MPEGAA), which has good keeping slump and high early compressive strength.

参考文献/References:

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备注/Memo

作者简介: 陈宝璠(1965—),男,教授,研究方向为高性能混凝土外加剂.
基金项目: 福建省教育厅A类科技计划项目(JA11329,JA12412); 泉州市科技计划重点项目(2013Z47,2013Z158)

更新日期/Last Update: 2015-12-20