BORONIC ACID CONTAINING POLYMERS FOR PAPERMAKING PROCESS

• Main Authors: Mingli Wei, Kevin MCDONALD, Weiguo CHENG, Zhiyi ZHANG, Pious KURIAN
• Format: Patent
• Language: English; Spanish
• Published: 14.08.2018
• 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

Papermaking additives that include various polymers and/or micropolymers are disclosed. The micropolymers may have a network structure that can be created by crosslinking or other means. The micropolymer may be an acrylamide based polymer having a boronic acid moiety. The weight average molecular weight of the micropolymer may be greater than 1,000,000. Se describen aditivos para la fabricación de papel que incluyen diversos polímeros y/o micropolímeros. Los micropolímeros pueden tener una estructura de red que se puede crear mediante reticulación u otros medios. El micropolímero puede ser un polímero a base de acrilamida que tiene una porción de ácido borónico. El peso molecular medio ponderado del micropolímero puede ser mayor de 1,000,000.