Method of making microsphere adhesive
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United States of America Patent
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Mar 13, 2001
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N/A
app pub date -
Apr 27, 1999
filing date -
Apr 27, 1999
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Abstract
In a method of making repositionable pressure sensitive adhesive of tacky elastomeric microspheres wherein the microspheres are polymerized and formed in an aqueous suspension which includes a surfactant, a certain amount of the surfactant is removed from the aqueous suspension after completion of polymerization of the microspheres so that a predetermined reduced amount of surfactant remains, with the result that migration of the surfactant from the adhesive is at least substantially reduced.
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