Synthesis of a zero-birefringence optical polymer by doping with strontium carbonate crystal

Kenyu Nakama, Hisanori Ohkita, Akihiro Tagaya, Yasuhiro Koike

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have proposed the "birefringent crystal dopant method" as the method of eliminating the orientational birefringence of poly[methylmethacrylate (MMA) / benzylmethacrylate (BzMA) = 78/22 (wt/wt)] (P(MMA/BzMA)). We synthesized SrCO3 with various aspect ratios and lengths by a homogeneous precipitation technique using urea with the various reaction times. SrCO3 were doped into P(MMA/BzMA) films. The films were uniaxially heat-drawn at 130°C, 4 mm/min. The orientational birefringence of the drawn P(MMA/BzMA) film at 633nm was compensated by doping with 0.5wt.% of SrCO 3 (an average length of major axis 290 nm and an average aspect ratio of about 3.2).

Original languageEnglish
Title of host publicationPolymer Preprints, Japan
Pages1416
Number of pages1
Volume55
Edition1
Publication statusPublished - 2006
Event55th SPSJ Annual Meeting - Nagoya, Japan
Duration: 2006 May 242006 May 26

Other

Other55th SPSJ Annual Meeting
CountryJapan
CityNagoya
Period06/5/2406/5/26

Fingerprint

Strontium
Birefringence
Carbonates
Doping (additives)
Crystals
Aspect ratio
Polymers
Urea

Keywords

  • Birefringent crystal dopant method
  • Orientational birefringence
  • Strontium carbonate

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Nakama, K., Ohkita, H., Tagaya, A., & Koike, Y. (2006). Synthesis of a zero-birefringence optical polymer by doping with strontium carbonate crystal. In Polymer Preprints, Japan (1 ed., Vol. 55, pp. 1416)

Synthesis of a zero-birefringence optical polymer by doping with strontium carbonate crystal. / Nakama, Kenyu; Ohkita, Hisanori; Tagaya, Akihiro; Koike, Yasuhiro.

Polymer Preprints, Japan. Vol. 55 1. ed. 2006. p. 1416.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nakama, K, Ohkita, H, Tagaya, A & Koike, Y 2006, Synthesis of a zero-birefringence optical polymer by doping with strontium carbonate crystal. in Polymer Preprints, Japan. 1 edn, vol. 55, pp. 1416, 55th SPSJ Annual Meeting, Nagoya, Japan, 06/5/24.
Nakama K, Ohkita H, Tagaya A, Koike Y. Synthesis of a zero-birefringence optical polymer by doping with strontium carbonate crystal. In Polymer Preprints, Japan. 1 ed. Vol. 55. 2006. p. 1416
Nakama, Kenyu ; Ohkita, Hisanori ; Tagaya, Akihiro ; Koike, Yasuhiro. / Synthesis of a zero-birefringence optical polymer by doping with strontium carbonate crystal. Polymer Preprints, Japan. Vol. 55 1. ed. 2006. pp. 1416
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