DDSC Studies on POTMG/PMMA Blends and POTMDM-net-PMMA |
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Authors: | Tsuchiya M Ishii M Kojima T Oohira Y |
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Institution: | (1) Department of Chemistry, National Defense Academy, 1-10-20, Hashirimizu, Yokosuka Kanagawa 239-8686, Japan |
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Abstract: | Thermal behaviors of POTMDM-net-PMMA and POTMG/PMMA blends were studied by DDSC. Tg of the polymer network was lowered by increasing the POTMDM in feed for copolymerization of POTMDM and MMA. A crystallization
peak was observed only when MMA in feed was less than 30%. Tg of POTMG/PMMA was also lowered by decreasing the content of PMMA, however, the change was observed only when PMMA content
was more than 70%. These results suggest that thermal transitions of the polymer network are restricted by the mesh size.
POTM chains of the polymer network effectively play as a plasticiser.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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Keywords: | DDSC glass transition polymer blend polymer network poly(oxytetrametylene) |
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