Economical modified foam for fire protection and thermal and acoustic insulation

摘要

PCT No. PCT/EP97/03517 Sec. 371 Date Mar. 2, 1999 Sec. 102(e) Date Mar. 2, 1999 PCT Filed Jul. 3, 1997 PCT Pub. No. WO98/02393 PCT Pub. Date Jan. 22, 1998This invention relates to a foamed material for fireproofing and/or insulating purposes, consisting of 30 to 90 parts by weight of a solution that contains 20 to 70 wt-% Al (H2PO4)3 and 30 to 80 wt-% water, 5 to 55 parts by weight of a mixture that contains 10 to 70 wt-% MgO, 0 to 70 wt-% mica, 0 to 70 wt-% aluminium hydroxide and 1 to 20 wt-% MnO2, as well as 1 to 30 parts by weight of a foaming agent that contains 3 to 33 wt-% H2O2 and 67 to 97 wt-% water. In accordance with the invention, the term "insulating purposes" refers to the use of the inventive foamed material for heat and sound insulation.