Modified pressure sensitive adhesive
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United States of America Patent
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Issued Date -
Mar 10, 2005
app pub date -
Oct 20, 2004
filing date -
Jan 16, 2003
priority date (Note) -
Abandoned
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Abstract
A modified pressure sensitive adhesive (PSA) is produced by polymerizing at least one ethylenically unsaturated monomer to form a base polymer and reacting the base polymer with a modifying polymer comprising units derived from a n-vinyl lactam to thereby produce a modified polymer. The modified polymer can be used to form modified PSAs having improved adhesion properties over PSAs formed from the unmodified base polymer.
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