Aggregation Behavior of the Styrene Units in Oil Gel of Styrene-Butadiene-Styrene Triblock Copolymer
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概要
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Differential scanning calorimetry (DSC) and viscoelastic measurements were carried out for oil gels formed by styrene-butadiene-styrene triblock copolymer (SBS) and naphten oil or 1-octadecene to investigate the mechanism of their gelation. There were three endothermic peaks in the DSC curves assigned as the glass transition of the butadiene units, that of the styrene units, and the dissolution enthalpy of the styrene units and solvent oils. The G of the SBS gels showed a specific depression near the glass transition temperature of the styrene units, determined by DSC. The modulus curve had also a shoulder at the gel melting temperature determined by the tilting test tube method. The structure and gelation mechanism of SBS gel were discussed on the results of the measurements.
- 一般社団法人 日本レオロジー学会の論文
- 2009-02-15
著者
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TASAKA Shigeru
Department of Materials Science,Faculty of Engineering,Shizuoka University
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Tasaka Shigeru
Shizuoka Univ. Hamamatsu Jpn
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MATSUDA Yasuhiro
Departments of Neurosurgery, Shimane Prefectural Central Hospital
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TAKAHASHI Naomi
Department of Pediatrics and Developmental Biology, Tokyo Medical and Dental University Graduate Sch
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Matsuda Yasuhiro
Shizuoka Univ. Hamamatsu Jpn
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Matsuda Yasuhiro
Department Of Materials Science And Chemical Engineering Shizuoka University
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Tasaka Shigeru
Department Of Material Science Department Of Applied Chemistry Faculty Of Engineering Shizuoka Unive
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MACHIDA Shigeru
Department of Physics, Rikkyo University
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Machida Shigeru
Department Of Materials Science And Chemical Engineering Shizuoka University
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Takahashi Naomi
Department Of Materials Science And Chemical Engineering Faculty Of Engineering Shizuoka University
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Matsuda Yasuhiro
Department Of Macromolecular Science Osaka University
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Takahashi Naomi
Department Of Bioscience Faculty Of Bioresources Mie University
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Takahashi Naomi
Department of Biological Chemistry and Food Science, Iwate University
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Matsuda Yasuhiro
Department of Chemistry, Kyoto Institute of Technology
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