Compositions of polyphenylene ether resin and high impact...

Details Compositions of polyphenylene ether resin and high impact... Compositions of polyphenylene ether resin and high impact...

C - Chemistry, Metallurgy

08

K

400/1133, 400/30

C08K 5/00 (2006.01) C08K 5/132 (2006.01) C08K 5/3435 (2006.01) C08L 71/12 (2006.01) C08L 83/04 (2006.01)

Patent

CA 1266147

COMPOSITIONS OF POLYPHENYLENE ETHER RESIN AND HIGH IMPACT POLYSTYRENE RESIN HAVING IMPROVED ULTRAVIOLET LIGHT RESISTANCE ABSTRACT OF THE DISCLOSURE The ultraviolet light stability of polyphenylene ether resin high performance engineering thermoplastics is improved by the addition of ortho-hydroxy-substituted alkoxybenzophenones and tetraalkyl dipiperidinyl aliphatic diesters in combination. The resulting composition is particularly suitable in the manufacture of decorative trim on automobiles, grilles and wheel covers as well as home appliances where exposure to the sun or strong artificial light may cause discoloration.

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