Bismaleimide‐modified methyl‐di(phenylethynyl)silane blends and composites: Cure characteristics, thermal stability, and mechanical property | Zendy

Zhou Quan | Zendy; Ni LiZhong | Zendy

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Bismaleimide‐modified methyl‐di(phenylethynyl)silane blends and composites: Cure characteristics, thermal stability, and mechanical property

Author(s) -

Zhou Quan,

Ni LiZhong

Publication year - 2009

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.29541

Subject(s) - thermogravimetric analysis , materials science , thermal stability , composite material , flexural strength , thermogravimetry , silane , monomer , composite number , scanning electron microscope , izod impact strength test , polymer , chemical engineering , chemistry , ultimate tensile strength , organic chemistry , engineering

Reactive blends of organic‐inorganic hybrid monomer, methyl‐di(phenylethynyl)silane (MDPES) and a modified bismaleimide resin (BMI/DBA) have been prepared. The thermal and oxidative stabilities of MDPES‐BMI/DBA blends were characterized by thermogravimetric analysis, derivative thermogravimetry, differential thermal analysis, dynamic mechanical analysis, and flexural strength retention at 240°C. Scanning electron microscopy was employed to study the surface morphology of MDPES‐BMI/DBA composite after thermal oxidative treatment. With the increase of concentration of BMI/DBA, flexural strength of composites increased from 78 to 331 MPa. The results showed that MDPES‐BMI/DBA blends exhibited excellent thermal and thermal oxidative properties, and the interface between MDPES and glass fiber was improved by the incorporation of BMI/DBA. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009

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