Preparation method of high-toughness collagen based paper making sizing agent

• Main Authors: PEI WENTAO, ZHANG JING
• Format: Patent
• Language: Chinese; English
• Published: 17.08.2018
• Subjects: IMPREGNATING OR COATING OF PAPER; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; TEXTILES; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G

The invention discloses a preparation method of a high-toughness collagen based paper making sizing agent. According to the method, butyl acrylate and styrene serve as a flexible side chain and a rigid side chain, potassium peroxodisulfate/sodium hydrogen sulfite serves as a redox initiation system, grafting modified collagen liquid is prepared by a radical polymerization method, castor beans richin grease and fibers, alkali liquor and talcum powder are mixed, the mixed materials and the modified collagen liquid are mixed, the toughness of the collagen liquid is improved by the aid of high toughness of a resin polymer, a main component of the talcum powder is silicate, dehydration condensation reaction between silicon hydroxyl in the sizing agent talcum powder and hydroxyl on the paper fiber surface can be achieved through thermal action in the sizing process to generate an O-Si-O bond with high bond energy, the bond energy is improved, so that the inner overall performance of the sizing agent is improved, bo