Process for producing porous materials

17:

• The process according to claim 16, wherein the catalyst component (C1) is selected from the group consisting of tetraalkylammonium salts and tetraalkylphosphonium salts.

18:

• The process according to claim 16, wherein the catalyst component (C1) is selected from the group consisting of tetraalkylammonium hydroxides and tetraalkylphosphonium hydroxides.

19:

• The process according to claim 16, wherein the catalyst component (C1) is selected from the group consisting of tetramethylammonium hydroxide, tetra(n-butyl)ammonium hydroxide, tetrapropylammonium hydroxide, tetraethylammonium hydroxide, hexadecyltrimethylammonium hydroxide, tetrahexylammonium hydroxide, triethylmethylammonium hydroxide, tetraoctylammonium hydroxide, tri-n-butylmethylammonium hydroxide, diethyldimethylammonium hydroxide, octyltrimethylammonium hydroxide, trimethylethylammonium hydroxide, tetrapentylammonium hydroxide, tripropylmethylammonium hydroxide, tetrakisdecylammonium hydroxide, tributyl ethyl ammonium hydroxide, tetramethylphosphonium hydroxide, tetra(n-butyl)phosphonium hydroxide, tetrapropylphosphonium hydroxide, tetraethylphosphonium hydroxide, and tetraphenylphosphonium hydroxide.

20:

• The process according to claim 16, wherein the catalyst component (C2) is selected from the group consisting of phosphoric acid, phosphonic acid, phosphinic acid, poly phosphoric acid, isopoly phosphoric acid, heteropoly phosphoric acid, etidronic acid, pamidronic acid, risedronic acid, zoledronic acid, clodronic acid, alendronic acid, and tiludronic acid.

21:

• The process according to claim 16, wherein the composition (A) comprises the catalyst system (CS) in an amount in the range of from 0.1 to 30 mol %.

22:

• The process according to claim 16, wherein the composition (A) comprises at least one monool (am).

23:

• The process according to claim 16, wherein the drying according to c) is carried out by converting liquid comprised in the gel into a gaseous state at a temperature and a pressure below a critical temperature and a critical pressure of the liquid comprised in the gel.

24:

• The process according to claim 16, wherein the drying according to c) is carried out under supercritical conditions.

25:

• The process according to claim 16, wherein the porous material is a thermal insulation material or a vacuum insulation panel.

26:

• The process according to claim 25, wherein the porous material is a component in an interior or exterior thermal insulation system.

27:

• The process according to claim 25, wherein the porous material is an insulation component in a thermal bridge.

28:

• The process according to claim 25, wherein the porous material is an insulation component in a refrigerator or freezer.