公开(公告)号：US08067480B2

公开(公告)日：2011-11-29

申请号：US11916069

申请日：2006-05-30

申请人： Daniel Schmidt ,  Volker Schädler

发明人： Daniel Schmidt ,  Volker Schädler

IPC分类号： C08G18/28

CPC分类号： C08G18/4236 ,  C08G2101/0066 ,  C08G2101/0091

摘要： Process for producing porous polyisocyanate polyaddition products by reacting (a) isocyanates with (b) compounds which are reactive toward isocyanates in the presence of (f) solvent, wherein compounds having a functionality toward isocyanates of at least 6 and a molecular weight of at least 1000 g/mol are used as (b) compounds which are reactive toward isocyanates.

摘要翻译： 通过使（a）异氰酸酯与（b）在（f）溶剂存在下对异氰酸酯具有反应性的化合物反应制备多孔多异氰酸酯加聚产物的方法，其中具有至少6的异氰酸酯官能度至少为6，分子量至少为 使用1000g / mol作为（b）对异氰酸酯具有反应性的化合物。

公开(公告)号：US20100148109A1

公开(公告)日：2010-06-17

申请号：US12600350

申请日：2008-05-16

申请人： Volker Schädler ,  Marc Fricke ,  Werner Wiegmann ,  Andreas Emge ,  Vijay Immanuel Raman ,  Antonio Sanchez-Ferrer

发明人： Volker Schädler ,  Marc Fricke ,  Werner Wiegmann ,  Andreas Emge ,  Vijay Immanuel Raman ,  Antonio Sanchez-Ferrer

IPC分类号： E04B1/74

CPC分类号： C08J9/28 ,  C08G18/3243 ,  C08G18/7664 ,  C08G2101/0091 ,  C08G2330/50 ,  C08J2201/0502 ,  C08J2205/028 ,  C08J2375/02 ,  E06B3/6612 ,  E06B3/6775

摘要： The invention relates to a xerogel comprising from 30 to 90% by weight of a monomer component (a1) composed of at least one polyfunctional isocyanate and from 10 to 70% by weight of a monomer component (a2) composed of at least one polyfunctional aromatic amine, at least one of which is selected from 4,4′-diaminodiphenylmethane, 2,4′-diaminodiphenylmethane, 2,2′-diaminodiphenylmethane and oligomeric diaminodiphenylmethane, where the sum of the % by weight of monomer components (a1) and (a2) adds up to 100% by weight and where the monomer components are present in polymeric form in the xerogel and the volume-weighted mean pore diameter of the xerogel is at most 5 μm, The invention further relates to a process for preparing xerogels, to the xerogels thus obtainable and to the use of the xerogels as an insulating material and in vacuum insulation panels.

摘要翻译： 本发明涉及一种干凝胶，其包含30至90重量％的由至少一种多官能异氰酸酯组成的单体组分（a1）和10至70重量％的由至少一种多官能芳族化合物组成的单体组分（a2） 胺，其中至少一种选自4,4'-二氨基二苯基甲烷，2,4'-二氨基二苯基甲烷，2,2'-二氨基二苯基甲烷和低聚二氨基二苯基甲烷，其中单体成分（a1）和（a1） a2）加入高达100重量％，其中单体组分以干凝胶形式存在于聚合物形式中，并且干凝胶的体积加权平均孔径至多为5μm。本发明还涉及一种制备干凝胶的方法， 涉及这样获得的干凝胶，以及使用干凝胶作为绝缘材料和真空绝热面板。