Modified cyclopentadiene resins, process for preparing the same, and a composition for printing ink containing said modified resins as vehicle component
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United States of America Patent
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-
Jul 13, 1982
Grant Date -
N/A
app pub date -
Dec 18, 1980
filing date -
Dec 21, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for producing a novel modified resin, which comprises reacting (I) a hydroxyl-containing resin with (II) a polyisocyanate compound, said resin (I) being prepared by reacting (a) the reaction product of a cyclopentadiene resin, a higher fatty acid ester having a conjugated double bond and an .alpha.,.beta.-unsaturated dicarboxylic acid anhydride with (b) a hydroxyl group-imparting agent; a modified resin obtained by the aforesaid process; and a printing ink comprising the modified resin as a vehicle component.
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