Adhesive for bonding to low surface energy surfaces
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United States of America Patent
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Feb 17, 2009
Grant Date -
Nov 18, 2004
app pub date -
Jun 15, 2004
filing date -
Feb 2, 2000
priority date (Note) -
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Abstract
A novel polymodal asymmetric elastomeric block copolymer and a pressure sensitive adhesive, tape and adhesive backed article made therefrom, such as a polymer foam article having a substantially smooth surface prepared by melt-mixing a polymer composition and a plurality of microspheres, at least one of which is an expandable polymeric microsphere, under process conditions, including temperature and shear rate, selected to form an expandable extrudable composition; and extruding the composition through a die.
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