Zipper tape and container equipped with zipper tape
AssigneeIdemitsu Unitech Co., Ltd.
InventorHiroaki Yoshimura
Life of this patent
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Abstract
A zipper tape is in an elongated shape and includes, in a cross-sectional shape, a pair of base strips and engagement portions projecting from surfaces facing each other of the pair of respective base strips, the engagement portions being engageable with each other. At least the engagement portions are each formed of a first biodegradable resin composition having a yield strain of 3.4% or more during a tensile test.
Claims9
A zipper tape in an elongated shape, comprising, in a cross-sectional shape, a pair of base strips and engagement portions projecting from respective surfaces facing each other of the pair of base strips, the engagement portions being engageable with each other, wherein
- at least the engagement portions each comprise a first biodegradable resin composition having a yield strain of 15% or more during a tensile test, and
- wherein the first biodegradable resin composition comprises, a content of polybutylene succinate (PBS) in a range of 60 mass % to 90 mass % and a content of poly (butylene adipate/terephthalate) (PBAT) in a range of 10 mass % to 40 mass %.
Dependencies are inferred from the claim text.