Release composition for printable linerless labels
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United States of America Patent
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Oct 7, 1997
Grant Date -
N/A
app pub date -
Jun 19, 1996
filing date -
Jun 19, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
Linerless label stock is produced from a single substrate utilizing a coating machine by moving the substrate through the coating machine and applying a tie coating to the substrate first face, a release coating to the substrate second face, and a pressure sensitive adhesive to the tie coating. The release coating comprises a mixture of (a) about 55 to about 95 parts by weight of a first acrylated polysiloxane having the formula I: ##STR1## wherein R is a C.sub.4 -C.sub.2 alkyl group, m is about 40 and n ranges from about 8 to about 12; b) about 5 to about 45 parts by weight of a second acrylated polysiloxane having the formula II: ##STR2## wherein R is a C.sub.4 -C.sub.12 alkyl group, m is about 180 and n ranges from about 8 to about 12; and c) about 2 to about 6 parts by weight of a photoinitiator.
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