ACRYLONITRILE-BUTADIENE-STYRENE RESIN COMPOSITION HAVING GOOD WEATHERABILITY AND THERMOSTABILITY

Abstract

The present invention relates to an acrylonitrile-butadiene-styrene resin composition, and more precisely, an acrylonitrile-butadiene-styrene resin composition which is prepared by adding a brominated organic compound flame retardant, an antimony flame retardant auxiliary and one or more other compounds selected from a group consisting of metal stearate and stearamide compounds to a basic resin composed of acrylonitrile-butadiene-styrene copolymer and styrene-acrylonitrile copolymer.

Description

Claims

1. An acrylonitrile-butadiene-styrene resin composition which comprises: a) 100 weight part of a basic resin composed of an acrylonitrile-butadiene-styrene copolymer and a styrene-acrylonitrile copolymer;b) 10˜30 weight part of a brominated organic compound as a flame retardant;c) 1˜20 weight part of an antimony flame retardant auxiliary; andd) 1˜10 weight part of one or more compounds selected from a group consisting of metal stearate and stearamide compounds.

2. The acrylonitrile-butadiene-styrene resin composition according to claim 1, wherein the basic resin of a) is composed of: {circle around (1)} 10˜90 weight part of an acrylonitrile-butadiene-styrene copolymer resin containing rubber at the level of 30˜70 weight % and prepared by emulsion graft-polymerization; and{circle around (2)} 10˜90 weight part of one or more styrene-acrylonitrile copolymer resins having a weight average molecular weight of 50,000˜150,000 and containing acrylonitrile monomer at the level of 20˜40 weight part.

3. The acrylonitrile-butadiene-styrene resin composition according to claim 1, wherein the brominated organic compound flame retardant of b) is one or more compounds selected from a group consisting of tetra bromo bisphenol A, brominated epoxy oligomer, hexabromo diphenoxy ethane and pentabromophenyl ethane.

4. The acrylonitrile-butadiene-styrene resin composition according to claim 1, wherein the brominated organic compound flame retardant of b) is the compound representative by the following formula 1.

5. The acrylonitrile-butadiene-styrene resin composition according to claim 1, wherein the antimony flame retardant auxiliary of c) is one or more compounds selected from a group consisting of antimony trioxide, antimony pentoxide, metal antimony and antimony trichloride.

6. The acrylonitrile-butadiene-styrene resin composition according to claim 1, wherein the metal stearate compound of d) is one or more compounds selected from a group consisting of calcium stearate, magnesium stearate, sodium stearate, zinc stearate, barium stearate and aluminum stearate, and the stearamide compound is ethylene bis stearamide.

7. The acrylonitrile-butadiene-styrene resin composition according to claim 1, wherein the resin composition additionally includes 1˜15 weight part of chlorinated polyethylene as an impact resistance modifier for 100 weight part of the basic resin.

8. The acrylonitrile-butadiene-styrene resin composition according to claim 1, wherein the resin composition additionally includes one or more additives selected from a group consisting of lubricants, heat stabilizers, anti-dripping agents, antioxidants, photo stabilizers, UV intercepting agents, pigments and inorganic fillers.