Continuous Film Processing from Ultrahigh-Molecular-Weight Polyethylene Reactor Powder and Mechanical Property Development by Melt Drawing

Ultrahigh-molecular-weight polyethylene film was continuously manufactured from reactor powder by calendar rolling under controlled processing conditions. Subsequent tensile drawing above the melting temperature gave a maximum draw ratio of 10 at 150 °C. The resultant tensile modulus and strength re...

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Bibliographic Details
Published in:Industrial & engineering chemistry research 2006-11, Vol.45 (23), p.7801-7806
Main Authors: Uehara, Hiroki, Yoshida, Ryota, Kakiage, Masaki, Yamanobe, Takeshi, Komoto, Tadashi
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Exact sciences and technology
Reactors
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Summary:Ultrahigh-molecular-weight polyethylene film was continuously manufactured from reactor powder by calendar rolling under controlled processing conditions. Subsequent tensile drawing above the melting temperature gave a maximum draw ratio of 10 at 150 °C. The resultant tensile modulus and strength reached maximum values of 80 and 0.8 GPa, respectively. A loop strength of 0.4 GPa was achieved, which is much higher than that obtained by previous reactor-powder drawing below the melting temperature. A combination of rolling compression and tensile drawing in the molten state produces these superior mechanical properties.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie060821y