基于气凝胶体系防隔热一体化材料的研究进展  

Research progress of thermal insulation integrated material based on aerogel system

作　　者：张雅秀 蒋云 曾欣怡 ZHANG Yaxiu;JIANG Yun;ZENG Xinyi(Jiangnan University,Wuxi,214122,China)

机构地区：[1]江南大学,江苏无锡214122

出　　处：《棉纺织技术》2024年第11期87-92,共6页Cotton Textile Technology

摘　　要：为了推进新型热导率低、轻质高强防隔热一体化材料的开发,综述了3种常见的氧化物气凝胶隔热材料的耐高温性能及其研究进展,包括SiO2气凝胶、Al2O3气凝胶和ZrO2气凝胶等。同时,针对无机氧化物气凝胶材料力学性能较差的问题,介绍了缝合结构气凝胶隔热材料的研究进展。指出:通过引入增强相纤维材料制备的气凝胶复合材料兼具隔热性能与力学性能,在厚度方向引入缝合线可以在结构上改善材料的力学性能,提高材料的整体性。认为:要进一步提高气凝胶的耐高温上限,优化气凝胶材料与其他材料结合的工艺,并缩短制备周期,降低制备成本。In order to promote the development of new lower thermal conductivity,lightweight and high-strength thermal insulation integrated material,high-temperature resistance property of three common oxide aerogel insulation materials and their research progress were summarized,including SiO2 aerogel,Al2O3 aerogel and ZrO2 aerogel.At the same time,the research progress of stitched structure aerogel thermal insulation materials were introduced aiming the problem of worse mechanical property of inorganic oxide aerogel material.It was pointed out that the aerogel composite material prepared by introducing reinforced phase fiber materials have both thermal insulation and mechanical property.The mechanical property of the materials could be improved through introducing stylolite in thickness direction and enhancing the integrity of the materials.It is believed that the upper limit of high temperature resistance of aerogel should be further improved,the process of combining aerogel with other materials should be optimized,the preparation cycle should be shortened and the preparation cost should be reduced.

关 键 词：气凝胶 热防护材料 复合材料 热导率 缝合结构 隔热性能 

分 类 号：TS102.1[轻工技术与工程—纺织工程]