具有优异的可逆吸水性的多孔材料

文档序号:1409187 发布日期:2020-03-06 浏览:12次 >En<

阅读说明:本技术 具有优异的可逆吸水性的多孔材料 (Porous material having excellent reversible water absorption ) 是由 M·弗力可 W·勒尔斯贝格 M·诺比斯 D·温里克 于 2018-07-13 设计创作,主要内容包括:本发明涉及一种制备多孔材料的方法,该方法至少包括以下步骤:提供混合物(I),其包含含有适于形成有机凝胶的组分的组合物(A)和溶剂(B),组合物(A)中的组分在溶剂(B)的存在下反应形成凝胶;以及干燥在步骤b)中获得的凝胶,其中组合物(A)包含至少一种化合物(af)和至少一种组分(au),所述化合物(af)含有磷和至少一个对异氰酸酯具有反应性的官能团,所述组分(au)选自脲、缩二脲以及脲和缩二脲的衍生物。本发明还涉及可以这种方式获得的多孔材料,以及该多孔材料作为隔热材料和在真空隔热板中的用途,以及作为气体例如空气的干燥剂在过滤器系统、吸附式热泵中的用途,作为隔热材料在潮湿房间中的用途,或避免形成霉菌的用途。(The invention relates to a method for producing a porous material, comprising at least the following steps: providing a mixture (I) comprising a composition (a) comprising components suitable for forming an organogel and a solvent (B), the components in composition (a) reacting in the presence of solvent (B) to form a gel; and drying the gel obtained in step b), wherein the composition (a) comprises at least one compound (af) containing phosphorus and at least one functional group reactive toward isocyanates and at least one component (au) selected from the group consisting of urea, biuret and derivatives of urea and biuret. The invention also relates to a porous material obtainable in this way, and to the use of the porous material as an insulating material and in vacuum insulation panels, and as a desiccant for gases, such as air, in filter systems, adsorption heat pumps, as an insulating material in humid rooms, or to avoid the formation of mold.)

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