Seikei-Kakou
Online ISSN : 1883-7417
Print ISSN : 0915-4027
ISSN-L : 0915-4027
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Volume 25, Issue 8
Displaying 1-12 of 12 articles from this issue
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Index
Preface
Technical Notes : Special Issue on Scratch Resistance
Special Lecture : Scale-Up Theory of Extruders
Technical Report
Report from Universities and Institusions in Japan : 198
Reports of Meeting and Trade Fair
Topic on Products and Technologies
Original Paper
  • Development of Solvent-Induced Crystallization Method Using Toluene for the Improvement of Thermal Shrinkage of Poly (Ethylene Terephthalate) (PET) Film
    Masao Ishinabe, Kohji Tashiro, Hiroko Yamamoto, Kenichi Imaeda
    2013 Volume 25 Issue 8 Pages 393-397
    Published: 2013
    Released on J-STAGE: October 07, 2014
    DOIhttps://doi.org/10.4325/seikeikakou.25.393
    JOURNAL FREE ACCESS
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    The acetaldehyde-induced crystallization phenomenon was reported previously with the purpose of the improvement of the thermal shrinkage of oriented poly (ethylene terephthalate) (PET) film. This method involves dipping of amorphous PET film into acetaldehyde for only a short time, which causes a drastic increase in the film crystallinity. The toluene-induced crystallization was also described in detail for the solvent-induced crystallization, which did not give any whitening of the pet sample. In the present report, the origin of the thus-obtained high thermal resistivity of toluene-immersed PET film has been clarified on the basis of infrared ATR (attenuated total reflection) spectral measurement. In conclusion, the films which are extended at 79-83°C have shown extremely high mechanical strength at room temperature.
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