关键词：invention;porosity;国外专利;permeability;insulating;resin;spite;anhydride;monomer;curing;
摘 要：Porous polyimide film/JP2014231571A/宇部兴产株式会社The invention,such porous polyimide film than conventional gas permeability of the material,with a high porosity,relatively high strength,in spite of the high porosity of the film excellent in resistance against compression stress in the thickness direc...
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