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    • 4. 发明授权
    • Blow molded articles and process for making same
    • 吹塑制品及其制造方法
    • US08512839B2
    • 2013-08-20
    • US13157778
    • 2011-06-10
    • Paul C. Yung
    • Paul C. Yung
    • B29C47/00
    • C08L81/02B29C49/0005B29C49/04B29C2049/001B29K2105/12B29L2023/004Y10T428/139C08L33/068C08L23/0884
    • Blow molded articles are made from a polymeric composition containing a polyphenylene sulfide resin. The composition can further contain a reinforcing agent, such as glass fibers, and a combination of an organosilane coupling agent and an impact modifier. It was discovered that the combination of the aminosilane coupling agent and the impact modifier substantially increased the low shear viscosity and melt strength of the composition without increasing the high shear viscosity of the composition. The increase in the low shear viscosity makes the composition particularly well suited to molding articles with a complex shape. When producing blow molded articles, for instance, the composition provides better control over wall thickness while having improved interior surface smoothness at higher throughput and extrusion rates.
    • 吹塑制品由含有聚苯硫醚树脂的聚合物组合物制成。 组合物还可以含有玻璃纤维等增强剂,有机硅烷偶联剂和抗冲改性剂的组合。 已经发现,氨基硅烷偶联剂和抗冲改性剂的组合基本上增加了组合物的低剪切粘度和熔体强度,而不增加组合物的高剪切粘度。 低剪切粘度的增加使得该组合物特别适合于具有复杂形状的模制品。 例如,当生产吹塑成型制品时,组合物可以更好地控制壁厚,同时在较高产量和挤出速率下具有改善的内表面平滑度。