Ultra-drawing behaviour of ultra-high-molecular-weight polyethylene in the gel-like spherulite press method

Toshihiko Ohta; Takao Wachi; Toshiki Nagai; Akihiko Takada; Yukiko Ikeda; Ohtsubo Takashi; Akiyoshi Kawaguchi

doi:10.1016/0032-3861(93)90010-8

Ultra-drawing behaviour of ultra-high-molecular-weight polyethylene in the gel-like spherulite press method

Toshihiko Ohta, Takao Wachi, Toshiki Nagai, Akihiko Takada, Yukiko Ikeda, Ohtsubo Takashi, Akiyoshi Kawaguchi

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Ultra-drawing behaviour in the gel-like spherulite press method has been investigated using two kinds of gel-like spherulites formed from 1.0 and 2.0 wt% solutions of ultra-high-molecular-weight polyethylene. The influence of chain entanglement density in a solution on the increase in strength and modulus with ultra-drawing is discussed. An equation predicting the maximum draw ratio from the drawing stress of the predrawn specimens is presented. It is concluded that the influence on the ultra-drawing behaviour of the spherulite size and lack of chain connection between spherulites can be ignored in this processing method.

Original language	English
Pages (from-to)	4863-4867
Number of pages	5
Journal	polymer
Volume	34
Issue number	23
DOIs	https://doi.org/10.1016/0032-3861(93)90010-8
Publication status	Published - 1993
Externally published	Yes

All Science Journal Classification (ASJC) codes

Organic Chemistry
Polymers and Plastics
Materials Chemistry

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10.1016/0032-3861(93)90010-8

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title = "Ultra-drawing behaviour of ultra-high-molecular-weight polyethylene in the gel-like spherulite press method",

abstract = "Ultra-drawing behaviour in the gel-like spherulite press method has been investigated using two kinds of gel-like spherulites formed from 1.0 and 2.0 wt% solutions of ultra-high-molecular-weight polyethylene. The influence of chain entanglement density in a solution on the increase in strength and modulus with ultra-drawing is discussed. An equation predicting the maximum draw ratio from the drawing stress of the predrawn specimens is presented. It is concluded that the influence on the ultra-drawing behaviour of the spherulite size and lack of chain connection between spherulites can be ignored in this processing method.",

author = "Toshihiko Ohta and Takao Wachi and Toshiki Nagai and Akihiko Takada and Yukiko Ikeda and Ohtsubo Takashi and Akiyoshi Kawaguchi",

year = "1993",

doi = "10.1016/0032-3861(93)90010-8",

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T1 - Ultra-drawing behaviour of ultra-high-molecular-weight polyethylene in the gel-like spherulite press method

AU - Ohta, Toshihiko

AU - Wachi, Takao

AU - Nagai, Toshiki

AU - Takada, Akihiko

AU - Ikeda, Yukiko

AU - Takashi, Ohtsubo

AU - Kawaguchi, Akiyoshi

PY - 1993

Y1 - 1993

N2 - Ultra-drawing behaviour in the gel-like spherulite press method has been investigated using two kinds of gel-like spherulites formed from 1.0 and 2.0 wt% solutions of ultra-high-molecular-weight polyethylene. The influence of chain entanglement density in a solution on the increase in strength and modulus with ultra-drawing is discussed. An equation predicting the maximum draw ratio from the drawing stress of the predrawn specimens is presented. It is concluded that the influence on the ultra-drawing behaviour of the spherulite size and lack of chain connection between spherulites can be ignored in this processing method.

AB - Ultra-drawing behaviour in the gel-like spherulite press method has been investigated using two kinds of gel-like spherulites formed from 1.0 and 2.0 wt% solutions of ultra-high-molecular-weight polyethylene. The influence of chain entanglement density in a solution on the increase in strength and modulus with ultra-drawing is discussed. An equation predicting the maximum draw ratio from the drawing stress of the predrawn specimens is presented. It is concluded that the influence on the ultra-drawing behaviour of the spherulite size and lack of chain connection between spherulites can be ignored in this processing method.

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