BARRIER COATING FOR ADHESIVE LABELS
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United States of America Patent
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Issued Date -
Jan 24, 2019
app pub date -
Jul 19, 2018
filing date -
Jul 19, 2018
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Abstract
A barrier coating is used in combination with a UV-cured adhesive on paperstock to prolong the tack and overall performance of the adhesive. Some aspects of the coating incorporate a chelating material to arrest or completely prevent the migration of unwanted ions, possibly including calcium ions, from moving between the paperstock and the adhesive in a manner that negatively impacts the adhesive. The resulting stock is particularly well-suited to labels and other similar uses.
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