Pigment dispersions containing styrenated and sulfated phenol alkoxylates

   
   

The present invention provides sulfated and carboxymethylated surfactants and dispersants produced by reacting a styrenated phenol alkoxylate with sulfamic acid and then neutralizing with a base such as ammonium hydroxide. The instant invention also provides pigment dispersion comprising: (a) a pigment; and (b) a dispersant based on sulfated and carboxymethylated styrenated phenol alkoxylates. Carbon black dispersions are also provided containing carbon black and the dispersants of the invention.

La actual invención proporciona sulfatado y carboxymethylated los surfactants y los dispersores producidos reaccionando a styrenated el alkoxylate del fenol con ácido sulfamic y después neutralizar con una base tal como hidróxido de amonio. La invención instantánea también proporciona abarcar de la dispersión del pigmento: (a) un pigmento; y (b) un dispersor basado en sulfatado y carboxymethylated styrenated alkoxylates del fenol. Las dispersiones del negro de carbón también se proporcionan que contienen negro de carbón y los dispersores de la invención.

 
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