Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-temperature-resistant silicon oxide aerogel heat insulation felt and preparation method thereof
The invention discloses a high-temperature-resistant silicon oxide aerogel heat insulation felt and a preparation method thereof.The method comprises the steps that S1, a catalyst solution is added into prepared monodisperse silicon oxide sol of an alcohol solvent system, and the mixture is stirred to be uniform to obtain silicon oxide sol; the solvent of the catalyst solution is an alcohol solvent; s2, adding a surfactant into the silicon oxide sol, uniformly stirring, adding opacifying agent particles into the silicon oxide sol, and uniformly stirring to form the silicon oxide sol containing the opacifying agent; s3, immersing the ceramic fiber felt in silicon oxide sol containing an opacifying agent for gel aging to obtain a fiber felt/gel complex; and S4, drying the fibrofelt/gel complex to obtain the high-temperature-resistant silicon oxide aerogel heat insulation felt. The heat insulation felt prepared by the method has the characteristics of high temperature resistance of 1100 DEG C, excellent heat insulation performance, good flexibility, simplicity and convenience in installation and the like.
本发明公开了一种耐高温氧化硅气凝胶隔热毡及其制备方法，该方法包括：S1、在制备好的醇溶剂体系的单分散氧化硅溶胶中加入催化剂溶液，搅拌均匀得到氧化硅溶胶；催化剂溶液的溶剂为醇溶剂；S2、将表面活性剂加入氧化硅溶胶中搅拌均匀，再将遮光剂颗粒加入至氧化硅溶胶中，搅拌均匀形成含有遮光剂的氧化硅溶胶；S3、将陶瓷纤维毡浸没在含有遮光剂的氧化硅溶胶中进行凝胶老化，得到纤维毡/凝胶复合体；S4、对纤维毡/凝胶复合体进行干燥，得到耐高温氧化硅气凝胶隔热毡。采用本方法制备的隔热毡具有耐高温1100℃、隔热性能优异、柔韧性良好、安装简便等特点。
High-temperature-resistant silicon oxide aerogel heat insulation felt and preparation method thereof
The invention discloses a high-temperature-resistant silicon oxide aerogel heat insulation felt and a preparation method thereof.The method comprises the steps that S1, a catalyst solution is added into prepared monodisperse silicon oxide sol of an alcohol solvent system, and the mixture is stirred to be uniform to obtain silicon oxide sol; the solvent of the catalyst solution is an alcohol solvent; s2, adding a surfactant into the silicon oxide sol, uniformly stirring, adding opacifying agent particles into the silicon oxide sol, and uniformly stirring to form the silicon oxide sol containing the opacifying agent; s3, immersing the ceramic fiber felt in silicon oxide sol containing an opacifying agent for gel aging to obtain a fiber felt/gel complex; and S4, drying the fibrofelt/gel complex to obtain the high-temperature-resistant silicon oxide aerogel heat insulation felt. The heat insulation felt prepared by the method has the characteristics of high temperature resistance of 1100 DEG C, excellent heat insulation performance, good flexibility, simplicity and convenience in installation and the like.
本发明公开了一种耐高温氧化硅气凝胶隔热毡及其制备方法，该方法包括：S1、在制备好的醇溶剂体系的单分散氧化硅溶胶中加入催化剂溶液，搅拌均匀得到氧化硅溶胶；催化剂溶液的溶剂为醇溶剂；S2、将表面活性剂加入氧化硅溶胶中搅拌均匀，再将遮光剂颗粒加入至氧化硅溶胶中，搅拌均匀形成含有遮光剂的氧化硅溶胶；S3、将陶瓷纤维毡浸没在含有遮光剂的氧化硅溶胶中进行凝胶老化，得到纤维毡/凝胶复合体；S4、对纤维毡/凝胶复合体进行干燥，得到耐高温氧化硅气凝胶隔热毡。采用本方法制备的隔热毡具有耐高温1100℃、隔热性能优异、柔韧性良好、安装简便等特点。
High-temperature-resistant silicon oxide aerogel heat insulation felt and preparation method thereof
一种耐高温氧化硅气凝胶隔热毡及其制备方法
PENG FEI (Autor:in) / LIN QINGWU (Autor:in) / GAO QINGFU (Autor:in) / LI YONG (Autor:in) / YANG BIN (Autor:in)
04.06.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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