Pressure-sensitive adhesives having high bio-based content and macromonomers for preparing same
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United States of America Patent
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Oct 18, 2016
Grant Date -
Jul 30, 2015
app pub date -
Aug 11, 2011
filing date -
Aug 11, 2010
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Abstract
A pressure sensitive adhesive composition comprising the polymerization product of: (A) a monomer selected from the group consisting of alkyl acrylates, alkyl methacrylates, and combinations thereof; and (B) a macromonomer comprising the reaction product of (a) a hydroxy-functional, ethylenically unsaturated monomer (e.g., an alkyl acrylate or methacrylate where the alkyl group is a C1-C6 alkyl group), (b) a bio-based monomer, and (c) a modifying monomer that lowers the Tg of the macromonomer relative to the Tg of the same macromonomer prepared in the absence of the modifying monomer.
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