申请人:SABIC INNOVATIVE PLASTICS IP B.V.
公开号:US20130253105A1
公开(公告)日:2013-09-26
Disclosed are polymer compositions, comprising:
(a) a poly(phenylene ether);
(b) a hydrogenated block copolymer of an alkenyl aromatic compound and a conjugated diene;
(c) a polybutene;
(d) a flame retardant;
(e) an anti-UV agent wherein the agent comprises a trisaryl-1,3,5-triazine;
(f) a copolymer of ethylene and a C
3
-C
12
alpha-olefin; and
(g) a polyolefin homopolymer;
wherein the polymer composition does not contain a benzotriazole-type UV absorber; all weight percents are based on the total weight of the composition; and wherein an article made from the composition:
(i) is substantially stainless;
(ii) exhibits a CIELAB color shift, (ΔE) of 3 or less after 168 hours of heat exposure at 75° C.; and
(iii) exhibits a CIELAB color shift, (ΔE) of 12 or less after 300 hours of xenon arc exposure according to ASTM D 4459.
Also disclosed are processes for making the compositions as well as articles derived therefrom.
本发明涉及聚合物组合物,包括:(a)聚苯醚;(b)烯丙基芳香化合物和共轭二烯的氢化嵌段共聚物;(c)聚丁烯;(d)阻燃剂;(e)抗紫外线剂,其中该剂包括三芳基-1,3,5-三嗪;(f)乙烯和C3-C12α-烯烃的共聚物;和(g)聚烯烃均聚物;其中聚合物组合物不含苯并三唑类紫外线吸收剂;所有重量百分比均基于组合物的总重量;以及由该组合物制成的物品:(i)基本上不锈;(ii)在75°C的热暴露168小时后,显示CIELAB颜色偏移(ΔE)小于3;和(iii)根据ASTM D 4459,在300小时氙弧曝光后,显示CIELAB颜色偏移(ΔE)小于12。还公开了制备该组合物以及由此得到的物品的工艺。