PRESSURE-SENSITIVE ADHESIVE TAPE

PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive tape excellent in suitability to tear by hand during sticking work of the pressure-sensitive adhesive tape, excellent in property of suppressing "lifting" and "peeling", and excellent further in property of suppressin...

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Bibliographische Detailangaben
Hauptverfasser: UKEI HIROICHI, KAWANISHI MICHIO, NAKAGAWA YOSHIO, YATAGAI TAKAHIRO, NATSUME MASAYOSHI, NAGATSU HIDEKI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive tape excellent in suitability to tear by hand during sticking work of the pressure-sensitive adhesive tape, excellent in property of suppressing "lifting" and "peeling", and excellent further in property of suppressing "leaving of adhesive residue".SOLUTION: The pressure-sensitive adhesive tape has an acrylic pressure-sensitive adhesive layer on at least one surface of a supporting substrate. The supporting substrate contains low density polyethylene and high density polyethylene and has a groove-like depression in the width direction on at least one surface, wherein the sum of a content of the low density polyethylene and a content of the high density polyethylene in the supporting substrate is ≥80 wt.%. A constant load peel speed of the pressure-sensitive adhesive tape determined by a constant load peel test is ≤20 mm/h, and an adhesive force of the pressure-sensitive adhesive tape (to a stainless steel plate at a tensile speed of 300 mm/min and a peel angle of 180°) is ≤15 N/25 mm.