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    • 7. 发明申请
    • BENZIMIDAZOLE BASED AEROGEL MATERIALS
    • 基于苯并咪唑的气相材料
    • WO2015065557A1
    • 2015-05-07
    • PCT/US2014/049622
    • 2014-08-04
    • ASPEN AEROGELS, INC.
    • RHINE, Wendell E.MIHALCIK, David
    • B01J13/00C08J9/28C08G73/18C04B38/00C04B35/80
    • B01J13/0091C08G12/08C08G73/18
    • The present invention provides aerogel materials based on imidazoles and polyimidazoles. The polyimidazole based aerogel materials can be thermally stable up to 500° C or more, and can be carbonized to produce a carbon aerogel having a char yield of 60% or more, specifically 70% or more. The present invention also provides methods of producing polyimidazole based aerogel materials by reacting at least one monomer in a suitable solvent to form a polybenzimidazole gel precursor solution, casting the polybenzimidazole gel precursor solution into a fiber reinforcement phase, allowing the at least one gel precursor in the precursor solution to transition into a gel material, and drying the gel materials to remove at least a portion of the solvent, to obtain an polybenzimidazole-based aerogel material.
    • 本发明提供了基于咪唑和聚咪唑的气凝胶材料。 基于聚咪唑的气凝胶材料可以在高达500℃以上的热稳定性下进行碳化,制成焦炭产率为60%以上,特别是70%以上的碳气凝胶。 本发明还提供了通过使至少一种单体在合适的溶剂中反应以形成聚苯并咪唑凝胶前体溶液来生产聚咪唑基气凝胶材料的方法,将聚苯并咪唑凝胶前体溶液浇铸到纤维增强相中,使至少一种凝胶前体 转变成凝胶材料的前体溶液,并干燥凝胶材料以除去至少一部分溶剂,得到基于聚苯并咪唑的气凝胶材料。