STRUCTURE OF DRAWN FIBERS .2. NEUTRON-SCATTERING AND NECKING IN SINGLE-CRYSTAL MATS OF POLYETHYLENE

被引：29

作者：

SADLER, DM ^{[1
]}

BARHAM, PJ ^{[1
]}

机构：

[1] UNIV BRISTOL,HH WILLS PHYS LAB,TYNDALL AVE,BRISTOL BS8 1TL,AVON,ENGLAND

来源：

POLYMER | 1990年 / 31卷 / 01期

关键词：

drawing; fibre formation; necking; neutron scattering; polyethylene;

D O I：

10.1016/0032-3861(90)90346-Z

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Results of neutron scattering experiments on polyethylene fibres prepared by drawing oriented mats of isolated single crystals through a neck are reported. It is shown (from the appearance of an isotopic segregation signal) that, as the temperature of drawing is raised above ∼90°C, there is an increasing degree of local melting within the neck. It is further shown that, in contrast to the situation pertaining to the drawing of melt-crystallized material, the molecules do not deform affinely through the neck. © 1990.

引用

页码：43 / 45

页数：3

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