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    • 1. 发明授权
    • Apparatus and method for producing multilayered laminates
    • 多层层压板的制造方法及装置
    • US4522775A
    • 1985-06-11
    • US445261
    • 1982-11-29
    • Jerald E. BriggsHenry Pfeutzenreuter
    • Jerald E. BriggsHenry Pfeutzenreuter
    • B29C65/00B29B11/10B29B17/00B29C47/06B29C49/00B29C49/04B29C49/22B29C49/42B29C49/48B29D23/00B32B27/00B32B27/08B29D23/04
    • B29C47/0023B29B17/0005B29C47/065B29C47/263B29C47/265B32B27/08B29C49/041B32B2272/00Y02W30/62
    • A multi-layer laminate structure comprises a separate layer of scrap produced from the several thermoplastic resins used in making the laminate structure. In a preferred construction, the multi-layer laminate structure comprises an outer thermoplastic polyolefin layer, an inner thermoplastic polyolefin layer and an intermediate oxygen barrier layer preferably made of ethylene-vinyl alcohol copolymer. An adhesive layer bonds the barrier layer to the inner polyolefin layer and a separate scrap layer is disposed interiorly of the outer polyolefin layer. A second adhesive layer bonds the scrap layer to the intermediate barrier layer. Containers having excellent oxygen barrier properties and good transparency are made by forming a parison from the multilayer laminate structure and blow molding the parison to the desired container shape.Apparatus are described for producing multi-layered parisons of polymeric materials for producing such structures in which the relatively thin layers of the structure are formed into a laminate within the apparatus before being joined to a relatively thick layer.
    • 多层层压结构包括由用于制造层压结构的几种热塑性树脂制成的单独的废料层。 在优选的结构中,多层层压结构包括外部热塑性聚烯烃层,内部热塑性聚烯烃层和优选由乙烯 - 乙烯醇共聚物制成的中间氧阻挡层。 粘合剂层将阻挡层粘合到内聚烯烃层,并且将分离的废料层设置在外聚烯烃层的内部。 第二粘合剂层将废料层结合到中间阻挡层。 通过从多层层压结构体形成型坯并将型坯吹塑成所需的容器形状,制成具有优异的氧阻隔性和良好透明性的容器。 描述了用于生产用于制造这种结构的多层型坯的装置,其中相对较薄的结构层在连接到较厚的层之前在该装置内形成层压体。