Journal
POLYMER ENGINEERING AND SCIENCE
Volume 50, Issue 7, Pages 1290-1294Publisher
WILEY
DOI: 10.1002/pen.21654
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Funding
- National Basic Research Program (973 Program) [2006CB606505]
- Shanghai Fundamental Theory Program [07DJ14002]
- Shanghai Leading Academic Discipline Project [B603]
- Program of Introducing Talents of Discipline to Universities [111-2-04]
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Polyacrylonitrile (PAN) fibers have been gel spun from pregelled PAN spinning solution. The pregelled solution had network structure with elevated spinnability, the as-spun fiber from which had more circular cross-section and reduced skin-core difference. Drawing was more effective in inducing the segmental orientation and crystallization in gel-spun fiber than in dry-wet spun fiber. The mechanical properties of the gel-spun fiber were better than those of the dry-wet spun fiber after multi-stage drawing. POLYM. ENG. SCI., 50:12901294, 2010. (C) 2010 Society of Plastics Engineers
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