Design and synthesis of zero-zero-birefringence polymers using N-methylmaleimide

Shotaro Beppu, Shuhei Iwasaki, Houran Shafiee, Akihiro Tagaya, Yasuhiro Koike

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Zero-zero-birefringence polymers which exhibit no orientational birefringence and no photoelastic birefringence may be suitable candidates for the components of optical devices. To develop zero-zero-birefringence polymers, a novel copolymerization system is required. We investigated two types of birefringence of poly(N-methylmaleimide) (PMeMI) and showed that PMeMI exhibits positive orientational and photoelastic birefringence. On the basis of the results, we calculated the optimal composition for compensating both types of birefringence by solving three equations which describe the relationship between birefringence properties and weight fraction of monomers. When the copolymer compositions were MMA/BzMA/MeMI = 86/8/6 and 88/8/4 (wt %), zero-zero- birefringence polymers were obtained. By using MeMI as a comonomer, these zero-zero-birefringence polymers have a much higher glass transition temperature (Tg) than those of previous researches. Also, this polymer film has high transparency comparable with that of PMMA film. Therefore, we conclude that we successfully prepared zero-zero-birefringence polymers using N-substituted maleimide and that N-substituted maleimide is a promising material for zero-zero-birefringence polymers for optical devices.

Original languageEnglish
Article number40423
JournalJournal of Applied Polymer Science
Volume131
Issue number12
DOIs
Publication statusPublished - 2014 Jun 15

Fingerprint

Birefringence
Polymers
Optical devices
N-methylmaleimide
Polymethyl Methacrylate
Chemical analysis
Polymer films
Transparency
Copolymerization
Copolymers
Monomers

Keywords

  • copolymers
  • films
  • optical properties
  • thermal properties

ASJC Scopus subject areas

  • Materials Chemistry
  • Polymers and Plastics
  • Surfaces, Coatings and Films
  • Chemistry(all)

Cite this

Design and synthesis of zero-zero-birefringence polymers using N-methylmaleimide. / Beppu, Shotaro; Iwasaki, Shuhei; Shafiee, Houran; Tagaya, Akihiro; Koike, Yasuhiro.

In: Journal of Applied Polymer Science, Vol. 131, No. 12, 40423, 15.06.2014.

Research output: Contribution to journalArticle

Beppu, Shotaro ; Iwasaki, Shuhei ; Shafiee, Houran ; Tagaya, Akihiro ; Koike, Yasuhiro. / Design and synthesis of zero-zero-birefringence polymers using N-methylmaleimide. In: Journal of Applied Polymer Science. 2014 ; Vol. 131, No. 12.
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