Seikei-Kakou
Online ISSN : 1883-7417
Print ISSN : 0915-4027
ISSN-L : 0915-4027
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Volume 34, Issue 9
Displaying 1-20 of 20 articles from this issue
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Index
Foreword
Technical Notes : Special Issue on Nano Structure Control for Advanced Functional Materials
Technical Report
Principia
Report of Meetings and Trade Fair
PPS-37 Session Reports (General Session, Special Session)
Original Paper
  • Effect of Shear and Heat Milling Treatment of Starch on Starch/Glycerin Composite
    Kyosuke Nagao, Tomonori Koda, Yuki Aizawa, Taichi Nishio, Tomoo Yamada ...
    2022 Volume 34 Issue 9 Pages 343-348
    Published: August 20, 2022
    Released on J-STAGE: September 20, 2022
    DOIhttps://doi.org/10.4325/seikeikakou.34.343
    JOURNAL FREE ACCESS
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    In this study, crystalline corn starch (CS) and amorphous corn starch (ACS) were thermoplasticized with glycerin (Gly). Effect of amorphization of starch by using uniquely developed thermocontrolled milling machine on material properties was discussed. Structure of starch added with Gly was characterized by x-ray diffraction and scanning electron microscope. Uniformity of ACS/Gly blend was higher than that of CS/Gly blend. Differential scanning calorimetry indicated lower melt temperature of ACS/Gly. Tensile test shows that fracture strain of ACS added with high amount of Gly is significantly enhanced. Improved ductility of the material was a result of uniformity induced by amorphization.

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