| abstract |
The invention relates to a porous gel comprising the following components in reacted form: (a1) at least one multifunctional isocyanate, (a2) at least one multifunctional aromatic amine and (a3) at least one polyalkylene polyamine. The invention further relates to a method for producing porous gels, to the porous gels obtained in this way, and to the use of the porous gels as insulation material and in vacuum insulation panels. |