再生纤维素微球ARGETATRP接枝共聚制备PMMA的研究  

Research on PMMA-regenerated Cellulose Microspheres Copolymer Preparation by ARGET ATRP Grafting

作　　者：庄志良[1] 吴伟兵[1] 谷军[1] 戴红旗[1] 

机构地区：[1]南京林业大学江苏省制浆造纸科学与技术重点实验室,江苏南京210037

出　　处：《造纸化学品》2013年第4期5-9,共5页Paper Chemicals

基　　金：基金项目：国家自然科学基金（31200453,31270614）：中国博士后科学基金面上项目（49批）,江苏省制浆造纸科学与技术重点实验室开放基金（201311）

摘　　要：该文主要研究了再生纤维素微球表面的再生电子转移生成催化剂原子转移自由基聚合（ARGETATRP）侧链接枝方法，通过ARGETATRP在孔隙结构良好、比表面积大的再生纤维素微球表面接枝引入甲基丙烯酸甲酯（MMA）。FT-IR谱图和SEM照片证明纤维素微球表面成功接枝PMMA；凝胶渗透色谱分析表明PMMA的相对分子质量分布窄（Mw／Mn=1．03），说明该ARGETATRP实现了对接枝侧链结构的有效控制。ARGETATRP成功地在纤维素基表面接枝引入高分子侧链．在制备新型功能性纤维素材料方面具有广泛的应用前景。Activators regenerated by electron transfer atom transfer radical polymerization（ARGET ATRP） side chain grafting was studied primarily in this paper to graft methyl methacrylate（MMA） on to regenerated cellulose microspheres surface with good pore structure and large specific surface area. It was proved that PMMA was successfully grafted on to the surface of the cellulose microspheres by evaluation with FT-IR and SEM. The relative molecular weight distribution was found to be narrow（Mw/Mn=1.03） for PMMA by GPC, which proved that sufficient control of grafted side chain structure was achieved via ARGET ATRP. Polymer side chain was grafted on to cellulose surface successfully by ARGET ATRP, indicating its broad application prospect in preparation of new functional cellulose-based materials.

关 键 词：再生电子转移生成催化剂原子转移自由基聚合 纤维素微球 可控聚合 相对分子质量分布 

分 类 号：TS72[轻工技术与工程—制浆造纸工程]