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

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

Applied Mechanics and Materials, 2014-01, Vol.470 (Mechanical Engineering, Materials Science and Civil Engineering II), p.58-61 [Periódico revisado por pares]

Zurich: Trans Tech Publications Ltd

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  • Título:
    Preparation and Characterization of Polyimide Foam Derived from 3,3’,4,4’-Biphenyltertacarboxylic Dianhydride and 4,4’- Diaminodiphenyl
  • Autor: Yang, Fei ; Geng, Xiao Yi ; Zhang, Li Juan ; Ma, Gang ; Xiao, Ji Jun
  • Assuntos: Density ; Dianhydrides ; Dimethyl ; Foaming ; Foams ; Polyimide resins ; Thermal conductivity ; Weight loss
  • É parte de: Applied Mechanics and Materials, 2014-01, Vol.470 (Mechanical Engineering, Materials Science and Civil Engineering II), p.58-61
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-1
    content type line 23
  • Descrição: 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, 1 H 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/cm 3 , cell structure of about 150μm, open-cell of 20%, thermal conductivity of 0.0277W/cm·K suitable for thermal insulation foam.
  • Editor: Zurich: Trans Tech Publications Ltd
  • Idioma: Inglês
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