Double-sided adhesive tape or sheet, and adherend processing method
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United States of America Patent
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Sep 1, 2015
Grant Date -
Jan 2, 2014
app pub date -
Jan 17, 2012
filing date -
Jan 19, 2011
priority date (Note) -
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Abstract
The present invention relates to a double-sided pressure-sensitive adhesive tape or sheet, containing a heat-releasable pressure-sensitive adhesive layer containing a heat-expandable microsphere on one side of a substrate, and a pressure-sensitive adhesive layer for temporary fixing on another side of the substrate, in which the pressure-sensitive adhesive layer for temporary fixing has a tensile pressure-sensitive adhesive strength of 2.0 to 20 N/20 mm in width and an amount of displacement of 0.3 mm/20 mm in width or less, and the pressure-sensitive adhesive layer for temporary fixing is crosslinked with an isocyanate or epoxy crosslinking agent.
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