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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Hauptverfasser: JOZUKA, Kenta, HIGUCHI, Naoaki, KATO, Naohiro, BUZOJIMA, Yasushi
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creator JOZUKA, Kenta
HIGUCHI, Naoaki
KATO, Naohiro
BUZOJIMA, Yasushi
description 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.
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subjects 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
title PRESSURE-SENSITIVE ADHESIVE SHEET HAVING FIRST AND SECOND RELEASE FILMS HAVING DIFFERENT ELASTIC MUDULI
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