Preparation, Characterization, and Rheological Behaviors of Polysiloxanes Presenting Densely Simple and Well-Defined Short-Branched Chains
文献类型:期刊论文
作者 | Liu, Bozheng1,2; Gao, Xiyin1; Zhao, Yunfeng1; Dai, Lina1; Xie, Zemin1; Zhang, Zhijie1 |
刊名 | MACROMOLECULAR CHEMISTRY AND PHYSICS
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出版日期 | 2017-07-01 |
卷号 | 218期号:13 |
关键词 | Flow Activation Energy Polysiloxanes "power-law" Model Short-branched Chains Rheology |
英文摘要 | In this paper, a series of polysiloxanes, presenting different contents of densely simple and well-defined short-branched chains (G(1)-G(5)), are prepared by hydrosilylation of alpha,omega-(dimethylvinylsiloxy)-poly(dimethyl-methylvinyl)siloxanes (P-1-P-5) with 1,1,1,3,5,5,5-heptamethyltrisiloxane ((MDM)-M-H) and characterized by H-1 and Si-29 nuclear magnetic resonance, Fourier transform-infrared spectroscopy, Abbe refractometry, gel permeation chromatography, and differential scanning calorimetry. The rheological behaviors of the G(1)-G(5) products are investigated to study the influences of the short-branched chains. The rheological parameters including non-Newtonian index (n) and the flow activation energy (Delta E-eta) are obtained and discussed. It is observed that the G(1)-G(5) polymers belonged to pseudoplastic fluids and the Delta E-eta values of the G(1)-G(5) products are significantly influenced by the short-chain branching degree of the polymers. |
语种 | 英语 |
源URL | [http://ir.iccas.ac.cn/handle/121111/38995] ![]() |
专题 | 化学研究所_高技术材料实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Chem, Lab Adv Polymer Mat, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Liu, Bozheng,Gao, Xiyin,Zhao, Yunfeng,et al. Preparation, Characterization, and Rheological Behaviors of Polysiloxanes Presenting Densely Simple and Well-Defined Short-Branched Chains[J]. MACROMOLECULAR CHEMISTRY AND PHYSICS,2017,218(13). |
APA | Liu, Bozheng,Gao, Xiyin,Zhao, Yunfeng,Dai, Lina,Xie, Zemin,&Zhang, Zhijie.(2017).Preparation, Characterization, and Rheological Behaviors of Polysiloxanes Presenting Densely Simple and Well-Defined Short-Branched Chains.MACROMOLECULAR CHEMISTRY AND PHYSICS,218(13). |
MLA | Liu, Bozheng,et al."Preparation, Characterization, and Rheological Behaviors of Polysiloxanes Presenting Densely Simple and Well-Defined Short-Branched Chains".MACROMOLECULAR CHEMISTRY AND PHYSICS 218.13(2017). |
入库方式: OAI收割
来源:化学研究所
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