| 摘要 |
<p>The disclosure is of a copolymer reaction product of
<UnorderedLists id="ula01" listStyle="none"><ListItem>(A) 20 to 60 equivalent percent of a polymeric fatty acid;</ListItem><ListItem>(B) 0 to 60 equivalent percent of a polycarboxylic acid;</ListItem><ListItem>(C) 15 to 50 equivalent percent of a monocarboxylic acid; and</ListItem><ListItem>(D) 5 to 25 equivalent percent of a synthetic polymeric resin having a crystalline chain structure, said resin having active carboxyl and/or hydroxyl groups capable of reaction with acid/amine groups; with</ListItem><ListItem>(E) 50 to 80 equivalent percent of an organic polyamine.</ListItem></UnorderedLists></p><p>The copolymer is useful in flexographic ink compositions and such are advantageously water reducible (thinnable).</p> |
