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A platform for research: civil engineering, architecture and urbanism
Cellulose-based aerogel heat insulation sheet as well as preparation method and application thereof
The invention relates to the technical field of heat insulation sheets and preparation thereof, in particular to a cellulose-based aerogel heat insulation sheet and a preparation method and application thereof. The preparation method of the cellulose-based aerogel heat insulation sheet provided by the invention comprises the following steps: step 1, dissolving cellulose in an acid solution, and adding a cross-linking agent for reaction; step 2, adding dispersion liquid of phosphoethanolamine for reaction, and adding fibrofelt for dipping; and step 3, finally, carrying out gel aging and supercritical drying to obtain the cellulose-based aerogel heat insulation sheet. The heat insulation sheet prepared by the method has relatively good heat insulation performance, structural stability, heat stability, mechanical performance and safety; the method also has the advantages of simple preparation method, easy operation, low preparation cost and the like.
本申请涉及隔热片及其制备技术领域，特别涉及一种纤维素基气凝胶隔热片及其制备方法、应用。该方法提供的纤维素基气凝胶隔热片的制备方法，包括：步骤1、将纤维素溶解于酸溶液中，加入交联剂反应；步骤2、再加入磷酸乙醇胺的分散液进行反应，加入纤维毡进行浸渍；步骤3、最后经凝胶老化和超临界干燥，得到纤维素基气凝胶隔热片。本申请方法制备的隔热片具有较好的隔热性能、结构稳定性、热稳定性、机械性能、安全性；本发明方法还具有制备方法简单易操作，制备成本较低等优点。
Cellulose-based aerogel heat insulation sheet as well as preparation method and application thereof
The invention relates to the technical field of heat insulation sheets and preparation thereof, in particular to a cellulose-based aerogel heat insulation sheet and a preparation method and application thereof. The preparation method of the cellulose-based aerogel heat insulation sheet provided by the invention comprises the following steps: step 1, dissolving cellulose in an acid solution, and adding a cross-linking agent for reaction; step 2, adding dispersion liquid of phosphoethanolamine for reaction, and adding fibrofelt for dipping; and step 3, finally, carrying out gel aging and supercritical drying to obtain the cellulose-based aerogel heat insulation sheet. The heat insulation sheet prepared by the method has relatively good heat insulation performance, structural stability, heat stability, mechanical performance and safety; the method also has the advantages of simple preparation method, easy operation, low preparation cost and the like.
本申请涉及隔热片及其制备技术领域，特别涉及一种纤维素基气凝胶隔热片及其制备方法、应用。该方法提供的纤维素基气凝胶隔热片的制备方法，包括：步骤1、将纤维素溶解于酸溶液中，加入交联剂反应；步骤2、再加入磷酸乙醇胺的分散液进行反应，加入纤维毡进行浸渍；步骤3、最后经凝胶老化和超临界干燥，得到纤维素基气凝胶隔热片。本申请方法制备的隔热片具有较好的隔热性能、结构稳定性、热稳定性、机械性能、安全性；本发明方法还具有制备方法简单易操作，制备成本较低等优点。
Cellulose-based aerogel heat insulation sheet as well as preparation method and application thereof
一种纤维素基气凝胶隔热片及其制备方法、应用
YI JIALIN (author) / CHEN HAIPING (author) / WANG XIAOQIN (author)
2024-10-29
Patent
Electronic Resource
Chinese
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