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    • 7. 发明授权
    • Antistatic agent for polyacetal resins
    • 聚缩醛树脂的抗静电剂
    • US5478877A
    • 1995-12-26
    • US391189
    • 1995-02-21
    • Yoshinobu KomatsuHiroshi IgarashiTakahisa Erami
    • Yoshinobu KomatsuHiroshi IgarashiTakahisa Erami
    • C08K9/08C08L59/00C08L71/02C09K3/16C08K3/10
    • C08K9/08C08L59/00C08L71/02
    • An antistatic agent imparting excellent antistatic property to the polyacetal resins and the polyacetal resins using this antistatic agent. The antistatic agent for polyacetal resins is obtained by including polyalkylene polyols or metal salt-dissolved polyalkylene polyols in a basic carbonate of metals consisting chiefly of alkali metals and aluminum having a porous volume of 0.5 cc/g or larger over a region of meso pores to quasi-macro pores of porous radii of from 200 to 1000 angstroms or in an anion exchanger thereof, said porous volume being greater than 30% of the whole porous volume, and a polyacetal resin composition in which said antistatic agent is blended. The antistatic agent of the invention imparts stable antistatic properties to the above resins and is little dependent upon the environment, and further does not lose thermal property or mechanical strength that occurred with the conventional antistatic agents. Therefore, the resin composition can be extensively used in the field of engineering plastics.
    • 使用该抗静电剂赋予聚缩醛树脂和聚缩醛树脂优异的抗静电性的抗静电剂。 聚缩醛树脂的抗静电剂通过在主要由碱金属和铝组成的金属的碱性碳酸盐中,在介孔的区域内包含多孔体积为0.5cc / g以上的金属的碱性碳酸盐包括聚亚烷基多元醇或金属盐溶解的聚亚烷基多元醇, 200〜1000埃的多孔半径的准宏观孔或其阴离子交换体,所述多孔体积大于整个多孔体积的30%,和其中混合有所述抗静电剂的聚缩醛树脂组合物。 本发明的抗静电剂对上述树脂具有稳定的抗静电性能,并且几乎不依赖于环境,并且不会失去与常规抗静电剂发生的热性能或机械强度。 因此,树脂组合物可广泛用于工程塑料领域。