Drawing of nylon 6,6 and ultrahigh molecular weight polyethylene fibers in supercritical CO2

被引：0

作者：

Hobbs, T ^{[1
]}

Lesser, AJ ^{[1
]}

机构：

[1] Univ Massachusetts, Amherst, MA 01003 USA

来源：

ANTEC 2000: SOCIETY OF PLASTICS ENGINEERS TECHNICAL PAPERS, CONFERENCE PROCEEDINGS, VOLS I-III | 2000年

关键词：

drawing; carbon dioxide; nylon 6,6; polyethylene;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The drawing of nylon 6,6 and ultrahigh molecular weight polyethylene (UHMWPE) fibers has been studied at elevated temperatures in a CO2 environment in the supercritical phase regime, With nylon, the CO2 increases the crystallinity and orientation of the fiber significantly resulting in 30% higher strength values, With UHMWPE fibers, the ultimate strength is only increased slightly. However, the modulus can be improved by 50% in comparison to air drawn fibers at the same temperature. For both polymer fibers, temperature has a large effect on the final structure and the engineering properties of the fiber.

引用

页码：1705 / 1709

页数：5

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