Evaluation of miscibility of polystyrene derivatives with bulky 4-substituent/polyisoprene blends

Daisaku Ito, Daisuke Kawaguchi, Atsushi Takano, Yushu Matsushita

研究成果: Contribution to conferencePaper査読

抄録

Phase behavior of poly(4-trimethylsilylstyrene) (PTMSS) / polyisoprene (PI) and poly(4-tert/-butylstyrene) (P/BS) / PI blends was investigated by optical microscopy and dynamic viscoelasticity. Number-average molecular weights of PTMSS, PtBS and PI were 8.5 × 103, 1.1 × 104 and 6.5 × 103, respectively. PTMSS / PI and PtBS / PI blends were homogeneous and looked transparent in a temperature range from room temperature to 240 °C, suggesting that these blends are miscible. Temperature dependence of dynamic loss tangent, tanδ in these blends exhibits single peaks and its peak top temperature Tmax monotonically increases with increasing PTMSS or PtBS fraction. This result indicates that miscibility of PtBS with PI is similar to that of PTMSS with PI.

本文言語英語
ページ数1
出版ステータス出版済み - 12 1 2005
外部発表はい
イベント54th SPSJ Annual Meeting 2005 - Yokohama, 日本
継続期間: 5 25 20055 27 2005

その他

その他54th SPSJ Annual Meeting 2005
国/地域日本
CityYokohama
Period5/25/055/27/05

All Science Journal Classification (ASJC) codes

  • 工学(全般)

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