Active anti-staining soaping agent and preparation method thereof

The invention provides an active anti-staining soaping agent and a preparation method thereof, and relates to the technical field of textile printing and dyeing assistants, the soaping agent comprises the following components: acrylic acid, acrylamide, maleic anhydride, an anti-coagulation assistant, an initiator, an emulsifier, a pH regulator and water; acrylic acid and acrylic acid amide are fully dispersed in water and react with maleic anhydride for 0.5-4 h under the action of the emulsifier and the anti-coagulation aid, and the soaping agent is obtained after natural cooling. The soaping agent disclosed by the invention has relatively high stability and dispersity, is suitable for various soaping processing conditions, and also has very good anti-staining and soaping effects at different temperatures; and excellent hardness and ion tolerance are achieved. Meanwhile, by using the soaping agent disclosed by the invention, the washing and water soaking fastness of the soaped fabric can be effectively improv