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    • 10. 发明授权
    • Methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls or sheets
    • 用于固态微孔加工热塑性辊或片材的方法和压力容器
    • US08517709B2
    • 2013-08-27
    • US13300445
    • 2011-11-18
    • Krishna V NadellaSteven PowersThomas Malone
    • Krishna V NadellaSteven PowersThomas Malone
    • B29C44/34
    • C08J9/00B29C44/3446B29C44/3453C08J9/122C08J2201/032C08J2203/06
    • Disclosed herein are methods and pressure vessels for solid-state microcellular processing of thermoplastic rolls and sheets. In one embodiment, the present invention is directed to a method for making a gas impregnated interleaved roll, which method comprises: providing a pressure vessel having an internal pressure chamber and a rotatable shaft horizontally positioned within the pressure chamber; placing an interleaved roll about the rotatable shaft and within the pressure chamber, wherein the interleaved roll is made from a thermoplastic material sheet interleaved together with a gas-channeling material sheet; pressurizing the pressure chamber to a selected pressure; rotating the rotatable shaft having the interleaved roll thereabouts (thereby rotating the interleaved roll) while under pressure for a selected period of time; and depressurizing the internal chamber to yield the gas impregnated interleaved roll. In other embodiments, the invention is directed to multi-chambered pressure vessels for gas impregnation of thermoplastic rolls, sheets, and films.
    • 本文公开了用于热塑性辊和片材的固态微孔加工的方法和压力容器。 在一个实施例中,本发明涉及一种用于制造气体浸渍的交错辊的方法,该方法包括:提供压力容器,该压力容器具有水平地定位在压力室内的内部压力室和可旋转轴; 在所述压力室内围绕所述可旋转轴放置交错辊,其中所述交错辊由与气体通道材料片交错在一起的热塑性材料板制成; 将压力室加压至选定的压力; 在压力下旋转具有交错辊的旋转轴(从而使交错的辊旋转)一段选定的时间; 并对内部室进行减压以产生气体浸渍的交错辊。 在其他实施例中,本发明涉及用于气体浸渍热塑性辊,片材和薄膜的多室压力容器。