Synthesis of a zero-birefringence polymer doped with an inorganic birefringent crystal

H. Ohkita, A. Tagaya, Y. Koike

研究成果: Conference article査読

抄録

Birefringence induced by the orientation of polymer main chains during injection-moulding or extrusion processing restricts the application of optical polymers to optical devices that require the polarization state of incident light to be maintained. To compensate this birefringence of polymers we propose using the "birefringent crystal dopant method" - homogeneous doping with an opposite birefringent needle-like crystal. Strontium carbonate (SrCO3) was selected for this purpose and synthesized, with a length of about 200nm and a width of about 20nm. SrCO3 was doped into poly(MMA/BzMA= 78/22(wt./wt.)) film. The film was uniaxially drawn at 130°C and 4mm/min. For the first time, the positive birefringence of the drawn copolymer film at a wavelength of 633nm was compensated by doping with 0.3wt.% of SrCO3 without loss of transparency and thermostability.

本文言語English
ページ(範囲)143-148
ページ数6
ジャーナルSolid State Phenomena
99-100
DOI
出版ステータスPublished - 2004
イベントProceedings of Symposium F European Materials Research Society Fall Meeting 2003 - Warsaw, Poland
継続期間: 2003 9 152003 9 19

ASJC Scopus subject areas

  • 原子分子物理学および光学
  • 材料科学(全般)
  • 凝縮系物理学

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