Influence of dielectric fluctuation on light-scattering properties of random copolymers in bulk

Kotaro Koike, Toshimitsu Araki, Yasuhiro Koike

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Polarized light scattering in bulk polymers is positively correlated with the intensity of dielectric fluctuation and the size of the heterogeneous structure, which is expressed by a correlation length. In this study, the influence of dielectric fluctuation was independently investigated for the first time on the basis of the difference in the light-scattering properties between two random copolymers - methyl methacrylate (MMA)/pentafluorophenyl methacrylate (PFPMA) and MMA/phenyl methacrylate (PMA). These copolymers have similar correlation lengths but show different intensities of dielectric fluctuation. When the difference of the mean-square average of the fluctuations of all dielectric constants between the copolymers was 105 × 10-10, the difference in isotropic light-scattering loss was 425 dB/km at 633 nm.

Original languageEnglish
Pages (from-to)2697-2703
Number of pages7
JournalPolymer
Volume55
Issue number11
DOIs
Publication statusPublished - 2014 May 27

Keywords

  • Copolymerization
  • Dielectric fluctuation
  • Light scattering

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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