Evaluation of miscibility of 4-substituted polystyrenes / Polyisoprene blends based on small-angle neutron scattering

Daisaku Ito, Kana Takei, Daisuke Kawaguchi, Atsushi Takano, Yoshiaki Takahashi, Yushu Matsushita

Research output: Contribution to conferencePaper

Abstract

Phase behavior of 4-substituted polystyrenes/polyisoprene (PI) blends was examined by small-angle neutron scattering (SANS) at various temperatures. The SANS intensities for these blends in the low-q regime increase with an increase of temperature, showing a lower critical solution temperature (LCST) type phase diagrams. Flory-Huggins interaction parameters, χ, for these blends evaluated with random phase approximation, and the order of the magnitude of χ is χPtBs/d-PI < χd-PTMSS/PI < χPTESS/d-PI, where PtBS, PTMSS and PTESS denote poly(4-tert-butylstyrene), poly(4-trimethylsilylstyrene) and poly(4-triethylsilylstyrene), respectively. This result can be explained by Polymer Reference Interaction Site Model (PRISM) theory proposed by Schweizer.

Original languageEnglish
Pages915
Number of pages1
Publication statusPublished - 2006
Event55th SPSJ Annual Meeting - Nagoya, Japan
Duration: May 24 2006May 26 2006

Other

Other55th SPSJ Annual Meeting
CountryJapan
CityNagoya
Period5/24/065/26/06

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Ito, D., Takei, K., Kawaguchi, D., Takano, A., Takahashi, Y., & Matsushita, Y. (2006). Evaluation of miscibility of 4-substituted polystyrenes / Polyisoprene blends based on small-angle neutron scattering. 915. Paper presented at 55th SPSJ Annual Meeting, Nagoya, Japan.