ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Chemical and Physical Analysis
Analysis of Heat Crystallization Behavior of Polyester Film on Laminated Steel Sheet
Junichi KitagawaYoichiro YamanakaYasuhide YoshidaHiroki NakamaruKatsumi Kojima
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2019 Volume 59 Issue 5 Pages 895-899

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Abstract

Polyester films have been used widely as laminate films of beverage and food cans due to their excellent properties of formability, corrosion resistance, and adhesion to steel sheets. Recently, excellent formability under a higher processing degree has been required in laminated steel sheets for drawn and ironing (DI) cans, which are used as beverage and food cans. Polyester films which are almost amorphous are used in this application since high formability is needed in the laminate film. In this study, we investigated the thermal crystallization behaviors of a near-amorphous oriented polyester film and a non-oriented film by thermal analysis and Raman spectroscopy. We found that the two types of films display different thermal crystallization behaviors.

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© 2019 by The Iron and Steel Institute of Japan
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