Synthesis and linear rheological property of comb-like styrene-based polymers with a high degree of branch chain
文献类型：期刊论文
| 作者 | Lin, Yichao1,2; Zheng, Jun1,2; Yao, Kun1,2; Tan, Haiying1,2; Zhang, Guangchun1,2; Gong, Jiang1,2; Tang, Tao1; Xu, Donghua1 |
| 刊名 | POLYMER
 |
| 出版日期 | 2015-02-24 |
| 卷号 | 59页码:252-259 |
| 关键词 | Living polymerization Comb-like copolymer Linear rheological property |
| 英文摘要 | A series of model comb-like polymers (PSVS-g-PS) with high branching degree were synthesized by nucleophilic substitution reaction between iodinated copolymer of styrene (St) with 4-(vinylphenyl)-1-butene (VSt) (PSVSI, backbone) and living polystyrene lithium (PSLi, side chain). This method is a facile way for modular synthesis of graft copolymers based on living anionic polymerization and hydrozirconation reaction. The branching density of PSVS-g-PS (the number of branch chain per 100 repeat backbone units) ranged from 2.4 to 20.7%. The backbone length of PSVS-g-PS was larger than the entanglement molecular weight (M-e) of PS, while the molecular weight of branch chain was designed to be below or above the M-e of PS. The results from the linear rheological properties of the PSVS-g-PS showed hierarchical relaxation process. One appeared in the intermediate angular frequency region, corresponding to the relaxation of the side chain. The other is in the terminal region, which is related to the movement of the whole comb polymer. From scaling law of zero shear viscosity (eta(0)) of PSVS-g-PS with versus molecular weight, it could be seen that the dynamical behavior of PSVS-g-PS was different from those of both poly(macromonomers) and entangled linear polymer chains, indicating that there is certain entanglement for PSVS-g-PS with long branch chain. (C) 2015 Elsevier Ltd. All rights reserved. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2015-11-02 |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/28281]  |
| 专题 | 化学研究所_高分子物理与化学实验室 |
| 作者单位 | 1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lin, Yichao,Zheng, Jun,Yao, Kun,et al. Synthesis and linear rheological property of comb-like styrene-based polymers with a high degree of branch chain[J]. POLYMER,2015,59:252-259. |
| APA | Lin, Yichao.,Zheng, Jun.,Yao, Kun.,Tan, Haiying.,Zhang, Guangchun.,...&Xu, Donghua.(2015).Synthesis and linear rheological property of comb-like styrene-based polymers with a high degree of branch chain.POLYMER,59,252-259. |
| MLA | Lin, Yichao,et al."Synthesis and linear rheological property of comb-like styrene-based polymers with a high degree of branch chain".POLYMER 59(2015):252-259. |
入库方式： OAI收割
来源：化学研究所
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