Preparation method and application of bead-shaped micro-crosslinking polyacrylamide papermaking reinforcing agent

• Main Authors: WANG HENG, ZHUANG XIANJUN, WU HENGSHAN, ZHANG HUYIN, WU LEXIAN, XIAO JIE, SUN SHILIANG
• Format: Patent
• Language: Chinese; English
• Published: 17.01.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; IMPREGNATING OR COATING OF PAPER; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; TEXTILES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G

The invention provides a preparation method of a beaded micro-crosslinking polyacrylamide papermaking reinforcing agent, which comprises the following steps: S1, water phase preparation: dissolving acrylamide solid with water, adding a cationic ethylene polymeric monomer and a crosslinking monomer,...