中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Gelation/crystallization mechanisms of UHMWPE solutions and structures of ultradrawn gel films

文献类型:期刊论文

作者Shi, Xiaomei1; Bin, Yuezhen1; Hou, Daishui1; Men, Yongfeng2; Matsuo, Masaru1
刊名POLYMER JOURNAL
出版日期2014
卷号46期号:1页码:21-35
关键词Gel Syneresis Gelation Speed And Temperature High-strength High-modulus Uhmwpe Liquid Liquid Phase Separation Theoretical Results For Saxs
ISSN号0032-3896
DOI10.1038/pj.2013.66
英文摘要The gelation mechanisms of ultra-high-molecular-weight polyethylene (UHMWPE) chains differed significantly in decalin and paraffin, although these are typical solvents used to gel spin UHMWPE fibers with high strengths and moduli. In both solvents, gelation was attributed to liquid liquid phase separation driven by concentration fluctuations during the initial stage. The gelation speeds and temperatures differed significantly in the two solvents. In decalin, solvent flowed from the gels, syneresis occurred during crystallization and dry gel films were prepared. In contrast, in paraffin, many nucleating points appeared immediately, and no syneresis occurred even after quenching to room temperature. To prepare dry gel films, paraffin was blotted with filter paper, and paraffin residues were removed in hexane. However, the small-angle X-ray scattering spectra from both films were similar, indicating crystalline lamellae and ultradrawing.
语种英语
WOS记录号WOS:000329151800004
出版者NATURE PUBLISHING GROUP
源URL[http://ir.iccas.ac.cn/handle/121111/51103]  
专题中国科学院化学研究所
通讯作者Matsuo, Masaru
作者单位1.Dalian Univ Technol, Sch Chem Engn, Dept Polymer Sci & Mat, Dalian 116024, Liaoning Provin, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China
推荐引用方式
GB/T 7714
Shi, Xiaomei,Bin, Yuezhen,Hou, Daishui,et al. Gelation/crystallization mechanisms of UHMWPE solutions and structures of ultradrawn gel films[J]. POLYMER JOURNAL,2014,46(1):21-35.
APA Shi, Xiaomei,Bin, Yuezhen,Hou, Daishui,Men, Yongfeng,&Matsuo, Masaru.(2014).Gelation/crystallization mechanisms of UHMWPE solutions and structures of ultradrawn gel films.POLYMER JOURNAL,46(1),21-35.
MLA Shi, Xiaomei,et al."Gelation/crystallization mechanisms of UHMWPE solutions and structures of ultradrawn gel films".POLYMER JOURNAL 46.1(2014):21-35.

入库方式: OAI收割

来源:化学研究所

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