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    • 6. 发明授权
    • Perfluoroelastomer seal material
    • 全氟弹性体密封材料
    • US07834096B2
    • 2010-11-16
    • US10572779
    • 2004-09-21
    • Hiroyuki TanakaTsuyoshi Noguchi
    • Hiroyuki TanakaTsuyoshi Noguchi
    • C08L27/12
    • C09K3/1009F16J15/102Y10T428/24355
    • The present invention provides a perfluoroelastomer seal material in which adhesive strength, contamination, corrosion and color change of a contacted surface with a seal material are improved, and an amount of an uncrosslinked polymer component is at most 1% by weight, measured under specific conditions, and a process for preparing the same. The present invention relates to a perfluoroelastomer seal material, wherein a rate of weight decrease is at most 1% by weight when the seal material is immersed into perfluoro(tri-n-butyl)amine at 60° C. for 70 hours and is dried at 90° C. for 5 hours, 125° C. for 5 hours and 200° C. for 10 hours after taken out of the emersion. And, the present invention also relates to a process for preparing a perfluoroelastomer seal material comprising a step of treating with a solvent having at least 50 % of a swelling rate based on said molded article, when said molded article is immersed at 60° C. for 70 hours.
    • 本发明提供了一种全氟弹性体密封材料,其中改善了与密封材料的接触表面的粘合强度,污染物,腐蚀和颜色变化,并且在特定条件下测量的未交联聚合物组分的量为至多1重量% ,及其制备方法。 全氟弹性体密封材料技术领域本发明涉及一种全氟弹性体密封材料,其中当密封材料在60℃下浸入全氟(三正丁基)胺中70小时时,其重量减少率至多为1重量%,并干燥 在90℃,5小时,125℃,5小时和200℃,10分钟后脱出。 另外,本发明还涉及一种全氟弹性体密封材料的制造方法,其特征在于,在将所述成形体浸渍于60℃时,使用具有基于所述成型体的至少50%的溶胀率的溶剂进行处理的工序。 70个小时。