Preparation and properties of polyimide/silica hybrid nanocomposites | Zendy

Tang J.C. | Zendy; Yang H.C. | Zendy; Chen S.Y. | Zendy; ChenYang Y.W. | Zendy

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Preparation and properties of polyimide/silica hybrid nanocomposites

Author(s) -

Tang J.C.,

Yang H.C.,

Chen S.Y.,

ChenYang Y.W.

Publication year - 2007

Publication title -

polymer composites

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.577

H-Index - 82

eISSN - 1548-0569

pISSN - 0272-8397

DOI - 10.1002/pc.20232

Subject(s) - nanocomposite , polyimide , materials science , thermal stability , composite material , nanoparticle , oleic acid , chemical engineering , layer (electronics) , nanotechnology , chemistry , engineering , biochemistry

In this study, a commercially available nano‐sized silica (SiO 2 ) was surface‐modified via esterification with oleic acid (OA), a relatively inexpensive and hydrophobic modifier. The surface‐modified silica (SiO 2 ‐OA) nanoparticles were used to disperse in the poly(amic acid) solutions of a commercial polyimide (PI), used for two‐layer film, and thermally imidized to form a series of PI/silica nanocomposites. The effects of the addition of SiO 2 ‐OA nanoparticles on the properties of the as‐prepared PI/silica nanocomposites were studied. The results indicated that the as‐prepared PI/silica nanocomposites exhibited improvements in the dynamic mechanical property, thermal stability, water resistance, and thermal expansion. POLYM. COMPOS. 28:575–581, 2007. © 2007 Society of Plastics Engineers

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