ZIPPER TAPE AND PACKAGING BAG WITH ZIPPER

摘要

PROBLEM TO BE SOLVED: To provide a zipper tape that is superior in adhesive property at both ends of an opening when a packaging bag with a zipper is formed by heat sealing, and to provide the packaging bag with the zipper that is superior in adhesive property at both ends of an opening and has high airtightness.

SOLUTION: The zipper tape is bonded to an inner face of the packaging bag having an innermost layer made of a resin. The zipper includes: a pair of linear materials made of resin and having a linear projection/recess fitting structure; and a pair of strip-like sheets to which the pair of linear materials are attached in a longitudinal direction of the opposite surfaces thereof. The strip-like sheet includes: a base material film bonded to an inenr face of the packaging bag; and a first adhesive resin layer formed on the whole surface on a facing surface side of the base material film.

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