| 摘要 |
Molding compositions comprise a polyphenylene ether resin and a rubber- modified styrene-bromostyrene copolymer, preferably having a styrene- bromostyrene weight ratio from 85:15 to 15:85. Preferred compositions comprise 20 to 90% by weight of polyphenylene ether and 80 to 10% by weight of the rubber-modified copolymer. Preferably the rubber modifying the copolymer is a diene rubber. Such compositions have better physical properties, e.g. heat deflection temperature, impact strength and stability towards UV light than polyphenylene ether compositions rendered flame- retardant by low molecular weight brominated additives.
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