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A process for the preparation of an easy to open ends of flexible packaging layer material and packaging material
A process for the preparation of an easy to open ends of flexible packaging layer material and packaging material
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机译:一种柔性包装层材料和包装材料的易开口端的制备方法
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摘要
A polymeric laminate for use in polymeric films, and packaging material and packages made therefrom, that is roughened or knurled to produce a series of nicks or cuts over substantially the entire surface area of the laminate, producing an easy-opening feature. The laminate may be a multilayer, polymeric structure that may comprise an oriented polypropylene, polyethylene terephthalate, or a biaxially oriented nylon. The packaging material of the invention may contain a sealant film, either a single layer or multilayer film, and may also comprise an intermediate layer of foil.
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