High-strength tapes prepared by the solid-state processing of nascent reactor powders of ultrahigh molecular weight polyethylene

被引：7
|
作者：
Golubev, E. K. [1 ]
Kurkin, T. S. [1 ]
Ozerin, A. N. [1 ]
机构：
[1] Russian Acad Sci, NS Enikolopov Inst Synthet Polymer Mat, 70 Ul Profsoyuznaya, Moscow 117393, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2023年 / 72卷 / 03期
关键词：
ultrahigh molecular weight polyethylene; solid-state processing; reactor powder; deformation; orientation; mechanical properties; high-strength tapes; X-RAY-DIFFRACTION; CRYSTALLINE;
D O I：
10.1007/s11172-023-3839-3
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Structural studies were carried out and physicomechanical characteristics of samples of ultrahigh molecular weight polyethylene (UHMWPE) were determined for successive stages (compacting/monolithization-orientational stretching) of the continuous solid-state processing of nascent reactor powders of UHMWPE (RP UHMWPE) into high-strength tapes. The use of nascent RP UHMWPE with the morphology, molecular weight, and bulk density optimal for solid-state processing makes it possible to obtain high-strength (similar to 3 GPa) and high-modulus (120-130 GPa) tapes. The conditions for both compacting/monolithization and the orientational stretching have a significant effect on the structure and properties of highly oriented tapes and can be optimized in order to prepare materials with a complex of the highest elastic-strength characteristics.
引用
收藏
页码：749 / 763
页数：15
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