SYNTHETIC INORGANIC FLAME RETARDANTS, METHODS FOR THEIR PREPARATION, AND THEIR USE AS FLAME RETARDANTS

SYNTHETIC INORGANIC FLAME RETARDANTS, METHODS FOR THEIR PREPARATION, AND THEIR USE AS FLAME RETARDANTS

Quite unexpectedly, by suitably modifying the crystal structure of hydrogarnets of the general formula MII3MrI-III2(OH)12 (where MII denotes divalent metal ions, especially alkaline earth metal ions, of Group IIA of the periodic table and MIII denotes trivalent metal ions of Group IIIA of the period...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HERBIET RENE G.E, HEINES GUENTHER PETER, HOEPFL WOLFGANG, GIESSELBACH MONIKA
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Zusammenfassung:Quite unexpectedly, by suitably modifying the crystal structure of hydrogarnets of the general formula MII3MrI-III2(OH)12 (where MII denotes divalent metal ions, especially alkaline earth metal ions, of Group IIA of the periodic table and MIII denotes trivalent metal ions of Group IIIA of the periodic table, especially aluminum) with suitable amounts of incorporated silicate and/or phosphate, flame retardants having both a higher flame retardant efficiency than such traditional mineral flame retardants as ATH and MDH, and a higher thermal stability than ATH can be produced. It has also been found that synthetic hydrogarnets of the general formula MII3MrIII2(OH)12(where MII and MIII are as defined above) having cubic crystal and these synthetic hydrogarnets also show high flame retardant efficiency.