| 摘要 |
<p>A method of preparing a pigment comprising in order the steps of:
a) providing a pigment containing a nucleophile group under basic conditions;
b) reacting the pigment with a compound according to Formula (I):
wherein,
X is a halogen atom or a tosylate group; and
R1 and R2 independently represent an alkyl group; and
c) hydrolyzing the R1-O bound and/or the R2-O bound. Pigments obtainable by the method and non aqueous pigment dispersions are also disclosed.</p> |
