| 摘要 |
<p>@ This invention is directed to new azoacylacetamide dispersing agents for azo pigments and azo pigment compositions made therefrom. The pigment compositions of this invention comprise a mixture of dispersing agents which are represented below by abbreviated formula I and pigments which are represented by the abbreviated formula II, wherein said dispersing agents are present in an amount of 1 - 25% and said pigments are present in an amount of 99 to 75%:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="34" wi="59" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry><Chemistry id="chema02" num="0002"><Image id="ia02" he="37" wi="60" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>in which
<UnorderedLists id="ula01" listStyle="none"><ListItem>A is a phenyl optionally substituted by methyl, methoxy, ethoxy or chloro,</ListItem><ListItem>B is 4,4'-bisazo-1,1'<Sub>-</Sub>diphenyl optionally substituted at each phenyl by chloro, methoxy or ethoxy and</ListItem><ListItem>D is a polyamino substituent containing at least three nitrogen atoms.</ListItem></UnorderedLists></p> |
