| US 7,585,906 B2 | ||
| Poly(arylene ether) composition, method, and article | ||
| Steven Raymond Klei, Guilderland, N.Y. (US); James Edward Pickett, Schenectady, N.Y. (US); and James Jun Xu, Niskayuna, N.Y. (US) | ||
| Assigned to Sabic Innovative Plastics IP B.V., (Netherlands) | ||
| Filed on Feb. 28, 2007, as Appl. No. 11/680,077. | ||
| Prior Publication US 2008/0206449 A1, Aug. 28, 2008 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. C08K 5/521 (2006.01); C08K 5/3472 (2006.01); C08K 5/13 (2006.01) | ||
| U.S. Cl. 524—127 [524/91; 524/94; 524/100; 524/140; 524/141; 524/335; 524/336; 524/352; 524/353] | 43 Claims |
| 1. A composition, comprising:
about 10 to about 45 weight percent of a poly(arylene ether);
about 9 to about 80 weight percent of a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
about 8 to about 25 weight percent of a plasticizer;
about 1 to about 12 weight percent of a white pigment; and
about 0.1 to about 5 weight percent of an ultraviolet radiation stabilizer;
wherein the hydrogenated block copolymer and the poly(arylene ether) are present in a weight ratio of about 0.3:1 to about
4:1;
wherein the composition comprises less than or equal to 20 weight percent of rubber-modified polystyrene;
wherein the composition is substantially free of polyethylene homopolymers and polypropylene homopolymers;
wherein all weight percents are based on the total weight of the composition; and
wherein the composition exhibits
a CIE lightness value, L*, value of at least 70 measured according to ASTM D2244, and
a CIELAB color shift, ΔE, less than or equal to 3 measured according to ASTM D2244 after 300 hours exposure to xenon arc exposure
according to ASTM D4459.
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