Preparation method of composite plugging agent based on pulping pre-hydrolysate

• Main Authors: YUAN ZHAOBING, WEN YANGBING, XU ZHONGKAI, XU YINGSHENG, WANG YANGHONG, XIE WUFEI, ZHOU KUNPENG, FAN CHUNHUA, ZHAO LINGQUAN, WANG FANG
• Format: Patent
• Language: Chinese; English
• Published: 18.10.2022
• Subjects: ADHESIVES; CHEMISTRY; DYES; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES

The invention discloses a preparation method of a composite plugging agent based on pulping pre-hydrolysate, and relates to a composite plugging agent, the pulping pre-hydrolysate is used as an enhancer, under the action of a cross-linking agent, the pulping pre-hydrolysate and a high-molecular poly...