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Synthesis of PPEGMEA-g-PMAA densely grafted double hydrophilic copolymer and its use as a template for the preparation of size-controlled superparamagnetic Fe3O4/polymer nano-composites
其他题名Synthesis of PPEGMEA-g-PMAA densely grafted double hydrophilic copolymer and its use as a template for the preparation of size-controlled superparamagnetic Fe3O4/polymer nano-composites
Gu LN(顾丽娜); Shen Z(沈重); Feng C(冯纯); Li YG(李垚功); Lu GL(陆国林); Huang XY(黄晓宇); Wang GW(王国维); Huang JL(黄骏廉)
2008
发表期刊J. Mater. Chem.
ISSN0959-9428
卷号18期号:36页码:4332-4340
摘要A series of well-defined amphiphilic densely grafted copolymers, containing polyacrylate backbone, hydrophobic poly(methoxymethyl methacrylate) and hydrophilic poly(ethylene glycol) side chains, were synthesized by successive atom transfer radical polymerization. Poly[poly(ethylene glycol) methyl ether acrylate] comb copolymer was firstly prepared via the grafting-through strategy. Next, poly[poly(ethylene glycol) methyl ether acrylate]-g-poly(methoxymethyl methacrylate) amphiphilic graft copolymers were synthesized via the grafting-from route. Poly(methoxymethyl methacrylate) side chains were connected to the polyacrylate backbone through stable C-C bonds instead of ester connections. The molecular weights of both the backbone and the side chains were controllable and the molecular weight distributions were in the range 1.38-1.42. Poly(methoxymethyl methacrylate) side chains were selectively hydrolyzed under mild conditions without affecting the polyacrylate backbone to obtain the final product, poly[poly(ethylene glycol) methyl ether acrylate]-g-poly(methacrylic acid) densely grafted double hydrophilic copolymer. Finally, these double hydrophilic copolymers were used as templates to prepare superparamagnetic Fe3O4/polymer nano-composites with narrow size distributions via an in situ co-precipitation process, which were characterized by FT-IR, TGA, DLS and X-ray diffraction in detail. The size of the nano-composites can be controlled in a certain range by adjusting the length of the poly(methacrylic acid) side chains and the weight ratio of copolymer to Fe3O4 nano-particle used.
学科领域高分子化学
部门归属上海有机化学研究所
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收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.sioc.ac.cn/handle/331003/24387
专题高分子材料研究室
通讯作者Huang XY(黄晓宇); Huang JL(黄骏廉)
推荐引用方式
GB/T 7714
Gu LN,Shen Z,Feng C,et al. Synthesis of PPEGMEA-g-PMAA densely grafted double hydrophilic copolymer and its use as a template for the preparation of size-controlled superparamagnetic Fe3O4/polymer nano-composites[J]. J. Mater. Chem.,2008,18(36):4332-4340.
APA 顾丽娜.,沈重.,冯纯.,李垚功.,陆国林.,...&黄骏廉.(2008).Synthesis of PPEGMEA-g-PMAA densely grafted double hydrophilic copolymer and its use as a template for the preparation of size-controlled superparamagnetic Fe3O4/polymer nano-composites.J. Mater. Chem.,18(36),4332-4340.
MLA 顾丽娜,et al."Synthesis of PPEGMEA-g-PMAA densely grafted double hydrophilic copolymer and its use as a template for the preparation of size-controlled superparamagnetic Fe3O4/polymer nano-composites".J. Mater. Chem. 18.36(2008):4332-4340.
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