In the process of carbonation, separately selects PEG 6000, SDBS and carboxymethyl cellulose as surface active agents to prepare modified appropriate surface active agent.

• 在碳化法制备白炭黑的过程中分别选用聚乙二醇6000、十二烷基苯磺酸钠、羧甲基纤维素等三种表面活性剂制备改性白炭黑。参察产品的性能,筛选合适的表面活性剂。