LIGHT-RESISTANT FLAME-RETARDING RESIN COMPOSITION

PURPOSE:To obtain the title composition excellent in light resistance, flame retardancy, impact resistance and heat stability during molding by mixing a specified rubber-modified PS resin with a specified halogenated compound, a specified dispersant, an ultraviolet absorber, a specified light stabil...

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Hauptverfasser:	TSUNODA RINICHI, YAMAUCHI TAKASHI
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 the title composition excellent in light resistance, flame retardancy, impact resistance and heat stability during molding by mixing a specified rubber-modified PS resin with a specified halogenated compound, a specified dispersant, an ultraviolet absorber, a specified light stabilizer and TiO2 in a specified mixing ratio. CONSTITUTION:100 pts.wt. rubber-modified PS resin having a rubber polymer (e.g. polybutadiene) content of 3-18wt.% is mixed with 6-20 pts.wt. solid halogenated compound of the formula (wherein X is Br or Cl, and (a) and (b) are each 1-4) and having a content of particles of a particle diameter of 16mum or below of 95wt.% or above, 0.1-3.0 pts.wt. dispersant of a melting point or a softening point of 200 deg.C or below (e.g. ethylenebisstearamide), 0.1-3.0 pts.wt. benzotriazole ultraviolet absorber (e.g. Tinuvin, a product of Ciba-Geigy), 0.05-3.0 pts.wt. sterically hindered amine light stabilizer (e.g. Sanol LS-770, a product of Sankyo Ltd.) and 0.5-10 pts.wt. TiO2.