FLAME-RESISTANT POLYCARBAMIDE FOAM

PCT No. PCT/EP95/01073 Sec. 371 Date Jul. 1, 1996 Sec. 102(e) Date Jul. 1, 1996 PCT Filed Mar. 22, 1995 PCT Pub. No. WO95/26322 PCT Pub. Date Oct. 5, 1995The flame-resistant polyurea foam of the invention contains calcium sulfate dihydrate as filler and ammonium polyphosphate as flame retardant. Its...

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Hauptverfasser:	LAGODA, REINHOLD, STAENDEKE, HORST
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES GENERAL PROCESSES OF COMPOUNDING LIME, MAGNESIA MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES REFRACTORIES SLAG THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE WORKING-UP
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Zusammenfassung:	PCT No. PCT/EP95/01073 Sec. 371 Date Jul. 1, 1996 Sec. 102(e) Date Jul. 1, 1996 PCT Filed Mar. 22, 1995 PCT Pub. No. WO95/26322 PCT Pub. Date Oct. 5, 1995The flame-resistant polyurea foam of the invention contains calcium sulfate dihydrate as filler and ammonium polyphosphate as flame retardant. Its bulk density is from 25 to 250 kg/m3 and the number of open cells is above 80% of all its cells. The polyurea has been formed from a reaction of prepolymers of diphenylmethane 4,4'-diisocyanate with water. The polyurea foam of the invention can be used as a block foam or on-site foam for sound and/or heat insulation.