Preparation and Characterization of Polyimide Foam Derived from 3,3’,4,4’-Biphenyltertacarboxylic Dianhydride and 4,4’- Diaminodiphenyl

Fei Yang; Xiao Yi Geng; Li Juan Zhang; Gang Ma; Ji Jun Xiao

doi:10.4028/www.scientific.net/AMM.470.58

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 470Preparation and Characterization of Polyimide Foam...

Preparation and Characterization of Polyimide Foam Derived from 3,3’,4,4’-Biphenyltertacarboxylic Dianhydride and 4,4’- Diaminodiphenyl

Abstract:

The polyimide foam (PIF) was prepared by the foaming of precursor derived from dimethyl ester of 3,3′,4,4′-biphenyltetracarboxylic dianhydride (BPDA) and 4,4′-diaminodiphenyl methane (MDA). The structure and properties of polymers were investigated by FTIR, ¹H NMR, TG, DSC, SEM and mechanical testing. The findings show the PIF developed is of glass transition temperature of about 309°C, weight loss 5wt% at 517°C, density of 0.0018 g/cm³, cell structure of about 150μm, open-cell of 20%, thermal conductivity of 0.0277W/cm·K suitable for thermal insulation foam.

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Periodical:

Applied Mechanics and Materials (Volume 470)

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58-61

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.470.58

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Online since:

December 2013

Authors:

Fei Yang, Xiao Yi Geng, Li Juan Zhang, Gang Ma, Ji Jun Xiao

Keywords:

Polyimide Foam, Property, Thermal Conductivity (TC), Thermal Stability

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