| 摘要 |
PCT No. PCT/AT95/00008 Sec. 371 Date Sep. 24, 1996 Sec. 102(e) Date Sep. 24, 1996 PCT Filed Jan. 18, 1995 PCT Pub. No. WO95/09939 PCT Pub. Date Jul. 27, 1995A mainly inorganic foam is produced by foaming a filler-containing, preferably primary aqueous polyvalent metal phosphate solution having a defined viscosity, then by neutralising and cross-linking most of the secondary phosphoric acid protons by polyvalent cations. As foaming agents preferably carbonates are added that rapidly decompose in the acid metal phosphate solution. Cross-linking is ensured by hardening accelerators adapted to the foaming agent, for example polyvalent metal oxides. Accurately describable foaming characteristics are thus obtained which may be defined, as for a polyurethane foam, as starting time, rising time and setting time.
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