After the oxidation of carbon black with hydrogen peroxide, hydrophilic group was introduced onto carbon black surface by the grafting reaction of carbon black with the active hydrogen of p-PS.

• 用过氧化氢氧化炭黑以后，通过对苯酚磺酸(p-PS)羟基邻位的活泼氢与氧化炭黑的接枝反应，在炭黑表面导入亲水性基团。