In recent years, more and more researches have been focused on the synthesis of hyperdispersants (as are often called highly efficient polymeric dispersants) in the field of pigment-dispersing additives .They have a better dispersibility than the conventional surfactants and had been put into practice in industry . However, little researches for the synthesis of hyperdispersants has been carried out in our country, plenty of products are still mainly depended on import. Based on the analysis of t...