PRESSURE-SENSITIVE ADHESIVE SHEET HAVING FIRST AND SECOND RELEASE FILMS HAVING DIFFERENT ELASTIC MUDULI

This invention provides a double-linered PSA sheet having an adhesively double-faced PSA sheet, and first and second release films placed on first and second adhesive faces of the PSA sheet. The first and second release films have tensile elastic moduli Eand Eat an E/Eratio value of 1.5 or greater.I...

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Bibliographische Detailangaben
Hauptverfasser:	JOZUKA, Kenta, HIGUCHI, Naoaki, KATO, Naohiro, BUZOJIMA, Yasushi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS POLISHES USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	This invention provides a double-linered PSA sheet having an adhesively double-faced PSA sheet, and first and second release films placed on first and second adhesive faces of the PSA sheet. The first and second release films have tensile elastic moduli Eand Eat an E/Eratio value of 1.5 or greater.In a preferred embodiment the first release film is a releasable polyolefin film, and the second release film is a releasable polyester film or a releasable polyolefin resin film.