FLAME-RETARDANT SILICONE RUBBER COMPOSITION

FLAME-RETARDANT SILICONE RUBBER COMPOSITION

PURPOSE:To obtain a silicone rubber composition having excellent electrical insulation, heat conductivity and flame-retardancy and suitable as electronic parts, electrical parts, etc., by compounding specific amounts of thermally conductive inorganic powder, aluminum hydroxide powder, a platinum com...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OBA SEIICHIRO, MASUKO HIROSHI, SAGA MASAZUMI, INADA HITOSHI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:PURPOSE:To obtain a silicone rubber composition having excellent electrical insulation, heat conductivity and flame-retardancy and suitable as electronic parts, electrical parts, etc., by compounding specific amounts of thermally conductive inorganic powder, aluminum hydroxide powder, a platinum compound and triiron tetroxide powder. CONSTITUTION:The objective composition is produced by compounding (A) 100 pts.wt. of a silicone rubber with (B) 300-670 pts.wt. (preferably 500-670 pts.wt.) of thermally conductive inorganic powder (e.g., aluminum nitride or boron nitride), (C) 30-150 pts.wt. (preferably 30-100 pts.wt.) of aluminum hydroxide powder, (D) 0.001-0.01 pts.wt. of a platinum compound (e.g., chloroplatinic acid) in terms of platinum and (E) 3-50 pts.wt. (preferably 10-30 pts.wt.) of triiron tetroxide powder.