Based on the preparation of silica in a rotating packed - bed reactor ( rpbr ) , an in - situ modification of silica is carried out by addition of silicane coupling agent during the final stage of carbonization reaction 摘要在超生力反應沉淀法制備白炭黑的基礎上,在沉淀反應的后期加入矽烷偶聯(lián)劑,實現(xiàn)沉淀法白炭黑的原位改性。