Synthesis, characterization, and mechanical properties of a novel terphenyl liquid crystalline epoxy resin | Zendy

Harada Miyuki | Zendy; Ando Junichiro | Zendy; Yamaki Motohiro | Zendy; Ochi Mitsukazu | Zendy

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Synthesis, characterization, and mechanical properties of a novel terphenyl liquid crystalline epoxy resin

Author(s) -

Harada Miyuki,

Ando Junichiro,

Yamaki Motohiro,

Ochi Mitsukazu

Publication year - 2015

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.41296

Subject(s) - epoxy , materials science , differential scanning calorimetry , terphenyl , fourier transform infrared spectroscopy , curing (chemistry) , liquid crystal , composite material , polymer , optical microscope , polymer chemistry , scanning electron microscope , chemical engineering , organic chemistry , chemistry , physics , optoelectronics , engineering , thermodynamics

A novel terphenyl liquid crystalline (LC) epoxy resin was synthesized and characterized by 1 H‐NMR, Fourier transform infrared spectroscopy, differential scanning calorimetry (DSC), and polarizing optical microscopy. Depending on the curing temperature, the synthesized resin formed both smectic and nematic LC phases. A time‐temperature‐transformation diagram was constructed to optimize the curing process, which helped in the preparation of LC and isotropic system. The terphenyl epoxy resin obtained exhibited higher acid resistance than a comparable Schiff‐base epoxy resin, and also displayed excellent fracture toughness. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015 , 132 , 41296.

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