| 摘要 |
A dispersant comprising the addition product of a polyisocyanate having an average functionality of from 2 to 10 and one or more poly(oxyalkylene carbonyl) chains (POAC chain) such as those containing a POAC chain derived from epsi-caprolactone and delta-valerolactone. The dispersants are used to disperse pigments in paints and printing inks.
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