Terpene resin- and hydrocarbon resin-based surfactants and acqueous disperson of tacifier resins
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United States of America Patent
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Issued Date -
May 5, 2005
app pub date -
Aug 10, 2004
filing date -
Feb 6, 2003
priority date (Note) -
Abandoned
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Abstract
A process for preparing a surfactant, useful for dispersing tackifier resins in aqueous media, comprises reacting an .alpha.,.beta.-unsaturated carboxylic acid or anhydride, or an ester thereof, with a terpene- or hydrocarbon-based resin to form an adduct, then reacting the adduct with a polyalkylene polyol to yield the surfactant. In a related embodiment, the surfactant is subsequently functionalized. Also disclosed are surfactants prepared using a disclosed process; compositions comprising a disclosed surfactant and a tackifier resin; aqueous dispersions comprising a disclosed surfactant; tackifier resin and water; adhesive compositions comprising a disclosed aqueous dispersion and a polymer latex; and pressure sensitive adhesive overlays prepared using a disclosed adhesive composition.
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