Control of Mechanical Properties via Morphological Control through Blending of Elastomeric Polystyrene-block-polybutadiene-block-polystyrene Triblock Copolymers
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概要
- 論文の詳細を見る
We report control of mechanical properties via morphological control through blending of elastomeric polystyrene-block-polybutadiene-block-polystyrene (SBS) triblock copolymers. For this purpose, we controlled overall composition by blending two SBS triblock copolymers having different compositions and surveyed variation of the mechanical properties with structural change. The microdomain structure was analyzed by the small-angle X-ray scattering (SAXS) technique and the mechanical properties were examined by the tensile stress-strain test. The blending enabled us to change morphology from polystyrene cylinders to alternating lamellae. In between them, a double-gyroid (DG) microdomain structure was also formed. The DG structure is a well-ordered bicontinuous structure, which is formed in a narrow range of composition between cylinder and lamella regions. As a result, the tensile modulus increased tremendously in the narrow range of composition where the DG structure was formed.
- 社団法人日本材料学会の論文
- 2001-12-15
著者
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OKAMOTO Shigeru
Department of Pathology, NTT West Osaka Hospital
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SAKURAI Shinichi
Department of Polymer Science and Engineering, Kyoto Institute of Technology
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NOMURA Shunji
Department of Polymer Science & Engineering, Kyoto Institute of Technology
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Okamoto S
Department Of Material Science & Engineering Nagoya Institute Of Technology
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Okamoto Shigeru
Department Of Material Science And Engineering Nagoya Institute Of Technology
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Sakurai Shinichi
Department Of Polymer Science & Engineering Kyoto Institute Of Technology
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Okamoto Shigeru
Department Of Material Science & Engineering Nagoya Institute Of Technology
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Nomura Shunji
Department Of Polymer Science & Engineering Kyoto Institute Of Technology
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ISOBE Daisuke
Department of Polymer Science & Engineering, Kyoto Institute of Technology
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Isobe Daisuke
Department Of Polymer Science & Engineering Kyoto Institute Of Technology
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OKAMOTO Shigeru
Department of Material Science & Engineering, Nagoya Institute of Technology
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SAKURAI Shinichi
Department of Polymer Chemistry, Kyoto University
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