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PACKAGE MADE OF A MULTILAYERED BIAXIALLY ORIENTED POLYOLEFIN FILM, METHOD OF MANUFACTURING THE PACKAGE, THE MULTILAYERED BIAXIALLY ORIENTED POLYOLEFIN FILM AND METHOD OF USING THE FILM
PACKAGE MADE OF A MULTILAYERED BIAXIALLY ORIENTED POLYOLEFIN FILM, METHOD OF MANUFACTURING THE PACKAGE, THE MULTILAYERED BIAXIALLY ORIENTED POLYOLEFIN FILM AND METHOD OF USING THE FILM
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机译:多层双轴取向聚烯烃膜的包装,制造方法,多层双轴取向聚烯烃膜和使用该膜的方法
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摘要
The invention relates to a packaging material made of a multilayer oriented polyolefin film, which comprises a base layer and at least one first outer layer, whereby the first outer layer is placed in contact with itself or in contact with the opposing surface of the film or in contact with the surface of another film. This first outer layer contains an additive which absorbs light within the wavelength range of a laser such that when the film is locally irradiated by the laser, the area of irradiation experiences an increase in temperature that causes the polyolefin of the first outer layer to soften or melt in the irradiated area and to bond to another layer when cooled.
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