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    • 9. 发明申请
    • Process for producing wood/plastic composites and foams using foaming agents containing zeolite, and wood/plastic composites and foams produced thereby
    • 使用含有沸石的发泡剂和木材/塑料复合材料以及由此生产的泡沫塑料生产木材/塑料复合材料和泡沫的方法
    • US20070259168A1
    • 2007-11-08
    • US11818631
    • 2007-06-15
    • Michael Reedy
    • Michael Reedy
    • B32B3/26
    • B29C44/12B29C70/60B29K2311/10B29K2709/00B29K2711/00C08J9/0066C08J9/0085Y10T428/249953Y10T428/252
    • The present invention relates to cellulosic material/polymer composites and foams containing zeolite, blowing agent(s) and masterbatch(es) for making such composites and foams, and processes therefor. More specifically, in the embodiments of the present invention directed to cellulosic material/polymer foams, the compositions comprise one or more zeolites and one or more foaming agents, wherein the foaming agent(s) preferably is carried by the zeolite(s) and evolves to form foamed products when processed with foamable materials. The present invention also comprises blowing agent composition(s) comprised of zeolite(s) and foaming agent(s) combination(s), and masterbatch composition(s) comprised of zeolite(s), foaming agent(s) and cellulosic material(s). The zeolite provides several benefits to such compositions and foams. The zeolites also have been found to reduce the tendency of the wood portion of the compositions and foams to discolor and have biocidal activity which reduces the tendency of the compositions and foams to degrade from bacterial and fungal attack.
    • 本发明涉及含有沸石,发泡剂和用于制备这种复合材料和泡沫的母料的纤维素材料/聚合物复合材料和泡沫及其工艺。 更具体地说,在针对纤维素材料/聚合物泡沫的本发明的实施方案中,组合物包含一种或多种沸石和一种或多种发泡剂,其中发泡剂优选由沸石承载并发展 在用可发泡材料加工时形成发泡产品。 本发明还包括由沸石和发泡剂组合组成的发泡剂组合物以及由沸石,发泡剂和纤维素材料组成的母料组合物( s)。 沸石为这种组合物和泡沫提供了几个好处。 已经发现沸石减少了组合物的木材部分和泡沫变色并具有杀生物活性的趋势,这降低了组合物和泡沫从细菌和真菌侵袭中降解的倾向。