Modified rosin ester for water borne heatset weboffset inks
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United States of America Patent
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Issued Date -
Nov 9, 2006
app pub date -
May 3, 2005
filing date -
May 3, 2005
priority date (Note) -
Abandoned
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Abstract
Disclosed is a modified rosin ester resin suitable for use in a water borne heatset weboffset ink. The rosin ester resin is modified with: (i) maleic anhydride or fumaric acid; and (ii) polyols and has an acid number of about 130 to about 160. The modified rosin ester resin provides good pigment wetting, fast drying, and water solubility.
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