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    • 6. 发明申请
    • Process for Production of (Co)Polyamide Nanocomposite Materials
    • (Co)聚酰胺纳米复合材料生产工艺
    • US20080293883A1
    • 2008-11-27
    • US11718041
    • 2005-10-26
    • Bernard PeesMarc AudenaertMaliha KhusrawyHelene Egret
    • Bernard PeesMarc AudenaertMaliha KhusrawyHelene Egret
    • C08L77/00
    • C08J3/201B29K2105/162B82Y30/00C08J5/005C08J2377/00C08K3/346C08K9/08C08L77/00
    • The present invention concerns a process for preparing a polymer nanocomposite composition, the process comprising: a) mixing a melted polyamide of inherent viscosity under 1 and a nanofiller to disperse the nanofiller in said polyamide; and b) subjecting the previous mixture to polymerization conditions to polymerize the polyamide and to form the polymer nanocomposite composition. Advantageously the inherent viscosity of the polyamide is under 0.9 and preferably between 0.4 and 0.8. Step a) is carried out in an extruder or a mixer. Advantageously a mono or twin-screw extruder is used. Step b) could be made either in melted state or in solid state. It is easier to make it in the same apparatus as step a). Should step a) is carried out in an extruder, step b) is made in the same extruder. Polymerization of step b) can be carried with a catalyst and/or by having the extruder zones in which step b) takes place to operate under vacuum.
    • 本发明涉及一种制备聚合物纳米复合材料组合物的方法,该方法包括:a)将特性粘度低于1的熔融聚酰胺与纳米填料混合,以将纳米填料分散在所述聚酰胺中; 和b)使先前的混合物进行聚合条件以聚合聚酰胺并形成聚合物纳米复合组合物。 有利地,聚酰胺的特性粘度在0.9以下,优选在0.4和0.8之间。 步骤a)在挤出机或混合器中进行。 有利的是使用单螺杆或双螺杆挤出机。 步骤b)可以以熔融状态或固态进行。 在与步骤a)相同的装置中更容易。 如果步骤a)在挤出机中进行,则步骤b)在相同的挤出机中制备。 步骤b)的聚合可以用催化剂和/或通过使挤出机区域在步骤b)中进行以在真空下操作。