Abstract

Plastic film assumes a large role as packaging material in our life. Especially, by lamination which is pasting some kind of simple substances together, plastic films are able to have many kind of function on demand of usage. It is considered that enough high peel strength and tensile strength are needed for liquid package material. And it is considered that low tearing strength is needed for easy open package too. Adhesive existing at interlayer of laminated film, and the amount of adhesive may have effect on these physical properties. In this study, we changed amount of adhesive about laminated film, measured peel strength, tensile strength and tearing strength. And we investigated best suited amount of interlayer adhesive.

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