ROSIN-MODIFIED PHENOL RESIN, MANUFACTURING METHOD THEREOF, AND PRINTING INK
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United States of America Patent
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Issued Date -
Jan 12, 2012
app pub date -
Feb 17, 2010
filing date -
Feb 27, 2009
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Abstract
A rosin-modified phenolic resin, comprising a product obtained by reaction of (a) a rosin material containing 0.4 to 10% of dihydroagathic acid, (b) a condensate of a phenolic compound and formaldehyde, and (c) a polyol.The rosin-modified phenol resin is suitable for printing ink applications, and the amount of printing ink mist can reduced without the luster of the printed materials being diminished while maintaining various ink capabilities (dryng properties, emulsifying properties, etc.).
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