SYNTHESIS AND CHARACTERIZATION OF THE GRAFT COPOLYMERS OF CARBOXYMETHYLCELLULOSE WITH ACRYLAMIDE AND DIALLYLLAURYLAMINE

ZHANG Jian; XIE Xuming; ZHANG Liming; LI Zhuomei

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SYNTHESIS AND CHARACTERIZATION OF THE GRAFT COPOLYMERS OF CARBOXYMETHYLCELLULOSE WITH ACRYLAMIDE AND DIALLYLLAURYLAMINE

Research Article | 更新时间：2021-03-19

- SYNTHESIS AND CHARACTERIZATION OF THE GRAFT COPOLYMERS OF CARBOXYMETHYLCELLULOSE WITH ACRYLAMIDE AND DIALLYLLAURYLAMINE
- Acta Polymerica Sinica Issue 1, Pages: 1-6(2002)
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- Published：20 February 2002，
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ZHANG Jian, XIE Xuming, ZHANG Liming, LI Zhuomei. SYNTHESIS AND CHARACTERIZATION OF THE GRAFT COPOLYMERS OF CARBOXYMETHYLCELLULOSE WITH ACRYLAMIDE AND DIALLYLLAURYLAMINE. [J]. Acta Polymerica Sinica (1):1-6(2002)
DOI：

ZHANG Jian, XIE Xuming, ZHANG Liming, LI Zhuomei. SYNTHESIS AND CHARACTERIZATION OF THE GRAFT COPOLYMERS OF CARBOXYMETHYLCELLULOSE WITH ACRYLAMIDE AND DIALLYLLAURYLAMINE. [J]. Acta Polymerica Sinica (1):1-6(2002) DOI：

摘要

以十二胺与3-氯丙烯的反应物二(烯丙基)十二胺 (DALA)、丙烯酰胺 (AM)和羧甲基纤维素 (CMC)为原料

合成了疏水化水溶性两性纤维素接枝共聚物 (CGAL) .利用FTIR、1H-NMR、MS和元素分析(EA)等方法确证了DALA的结构.考察了CMC的取代度与浓度

AM、DALA与引发剂浓度

温度及pH等因素对接枝共聚的影响 .通过FTIR对CGAL进行了分析.借助比色滴定、EA和GPC等手段测定了CGAL的组成与分子量.TG分析和粘度法研究了CGAL及其溶液的热稳定性 .纤维素酶降解试验说明CGAL具有生物降解性.

Abstract

A novel hydrophobic comonomer diallyllaurylamine(DALA) has been prepared by tertiary amination of laurylamine and allylchloride in THF

and a series of the hydrophobically-modified amphoteric cellulosic graft copolymers(CGAL) of carboxymethylcellulose (CMC) with acrylamide (AM) and DALA have been synthesized employing potassium persulfate and dimethylaminoethyl 2-methacrylate as initiators in the mixed solvent of distilled water and DMF for the first time．DALA was characterized by means of FTIR

1H-NMR

MS and elemental analysis．The graft copolymerizations were investigated as a function of degree of substitution and concentration of CMC

concentration of AM

DALA and initiators

temperature and pH．CGAL was analyzed through FTIR．The composition and molecular weight of CGAL were determined making use of colorimetric titration

elemental analysis and gel permeation chromatography．Thermostability of CGAL and its aqueous solution was studied by thermogravimetry and viscometry．It has been shown that CGAL is biodegradable．

关键词

羧甲基纤维素接枝共聚物合成表征疏水改性水溶性

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Center for Degradable and Flame-Retardant Polymeric Materials, College of Chemistry, State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials Sichuan, Sichuan University

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