Pressure-chromic tape and methods of making same
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United States of America Patent
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Dec 16, 2014
Issued Date -
N/A
app pub date -
Oct 31, 2012
filing date -
Oct 31, 2011
priority date (Note) -
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Abstract
Masking tapes that changes color when the tape is rubbed down or dispensed onto an adherend and methods of making such tapes are disclosed herein. The tape includes a backing, a layer of adhesive on the bottom surface of the backing, and a release structure on the top surface of the backing that includes a pressure-chromic indicator and a release layer. The pressure-chromic indicator is characterized in that it is not activated by the pressure applied during the manufacturing process, but is activated by the pressure applied when the tape is rubbed or dispensed onto an adherend.
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