Method for preparing air channel-equipped film for use in vacuum package
作者： Kyul-Joo Lee
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摘要: Disclosed is a method for preparing an air channel-equipped film use in vacuum packages, which comprises the step of providing gas-impermeable base, along with melt-extruded heat-sealable resin, to laminating unit consisting roll and cooling roll, form resin layer on characterized that molded quenched such way plurality protrusions, corresponding grooves formed predetermined pattern circumferential surface are layer, defining channels evacuation therebetween. The simple because its ability without aid additional embossing techniques, as well being economically favorable owing employment no molds.
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