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疏水性/气凝复合材料具有高的防火安全性和强度,可提供高效的隔热

Zhixin Wang¹, Yong Kong^1,2, Mengcheng Nie¹

¹College of Materials Science and Engineering, State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University Nanjing 211816 PR China ykong@njtech.edu.cn xdshen@njtech.edu.cn.

|November 7, 2025

概括

研究人员开发了一种强大,防火的聚合物基气凝复合材料,用于建筑绝缘. 这种疏水性/气凝复合物 (PSAC) 与现有材料相比,提供了优越的绝热和增强的消防安全.

科学领域:

材料科学材料科学材料科学
聚合物化学聚合物化学
纳米技术纳米技术

背景情况:

有效的建筑绝缘对于节能至关重要.
当前的绝缘材料往往缺乏足够的消防安全或机械强度.
气凝看起来很有前途,但对于实际应用而言需要改进.

研究的目的:

合成一种以聚合物为基础的气凝复合物,具有出色的消防安全性和机械强度,用于建筑绝缘.
为了研究合成参数对气凝性质的影响.
评估与商业绝缘材料相比,开发的气凝复合材料的性能.

主要方法:

简单的,自催化溶凝工艺使用树脂醇,甲,和3- ((aminopropyl) triethoxysilane.
气相修改用于疏水性.
热导率,机械强度 (压缩,拉伸,曲) 和消防安全的表征.

主要成果:

一种用玻璃纤维纸增强的PSAC (GP/RA21-10),其复合/氨基比为2,密度为0.10gcm−3,其水接触角度为138°.
GP/RA21-10的导热率低 (0.021 W m−1 K−1) 和机械强度高 (1.67 MPa压缩,2.54 MPa拉力,1.65 MPa曲).
与聚乙烯板,气凝涂层板和岩石羊毛相比,复合材料显示出优异的绝热和阻燃性能.

结论:

开发的疏水性/气凝复合材料为高性能建筑绝缘提供了一个有前途的解决方案.
该材料具有出色的消防安全性,机械强度和绝热性能.
这项研究为推进高性能,防火建筑绝缘材料提供了指导方针.

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