SYNTHESIS OF POLYFUNCTIONAL MACROINITIATOR FOR ATRP BASED ON CELLULOSE IN IONIC LIQUID

被引:0
|
作者
Pang, Xinglei [1 ]
Fu, Yingjuan [1 ]
Qin, Menghua [1 ]
机构
[1] Shandong Polytech Univ, Key Lab Pulp & Paper Sci & Technol, Minist Educ, Jinan 250353, Peoples R China
来源
PROCEEDING OF THE 4TH INTERNATIONAL CONFERENCE ON PULPING, PAPERMAKING AND BIOTECHNOLOGY (ICPPB '12), VOLS. I AND II | 2012年
关键词
atom transfer radical polymerization (ATRP); ionic liquid; polyfunctional macroinitiator; graft modification of cellulose; TRANSFER RADICAL POLYMERIZATION; METHACRYLATE) COPOLYMERS;
D O I
暂无
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
A polyfunctional macroinitiator based on cellulose, cellulose 2-bromoisobutyrylate (Cell-BiB) for atom transfer radical polymerization (ATRP) was successfully synthesized in room temperature ionic liquid, 1-butyl-3-methylimidazolium chloride (BMIMCl), without using any catalysts. Then, the Cell-BiB was used to initiate the graft polymerization of methacryloxyethyltrimethyl ammonium chloride (DMC) on the cellulose backbone by ATRP, using Cu(I)Br as catalyst and PMDETA as ligand. The synthesized cellulose-based macroinitiator and cellulose graft poly-DMC were characterized by FT IR and H-1 NMR spectroscopies and the results showed that DMC had been grafted onto the cellulose backbone successfully. Further, through X-ray observation, it was found that a remarkable decrease in crystallinity of cellulose after modified in ionic liquid.
引用
收藏
页码:199 / 202
页数:4
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