Thermal analysis and mechanical characterization of maleimide‐functionalized benzoxazine/epoxy copolymers | Zendy

Ishida Hatsuo | Zendy; Ohba Sharon | Zendy

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Thermal analysis and mechanical characterization of maleimide‐functionalized benzoxazine/epoxy copolymers

Author(s) -

Ishida Hatsuo,

Ohba Sharon

Publication year - 2006

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.22499

Subject(s) - maleimide , copolymer , glass transition , epoxy , materials science , monomer , polymer chemistry , flexural strength , flexural modulus , polymer , dynamic mechanical analysis , polymerization , fourier transform infrared spectroscopy , composite material , chemical engineering , engineering

Maleimide‐functionalized benzoxazine is copolymerized with epoxy to improve toughness and processibility without compromising the thermal properties. The incorporation of maleimide functionality into the benzoxazine monomer results in a high performance polymer. All three possible polymerization reactions are confirmed using Fourier transform infrared (FT‐IR) spectroscopy. While maleimide‐functionalized benzoxazine has a glass transition temperature, T g , of 252°C, a further 25°C increase of T g is observed when copolymerized with epoxy. The flexural properties are also measured, and the copolymers exhibit a flexural modulus of 4.2–5.0 GPa. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 101: 1670–1677, 2006

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