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Research Progress on Pretreatment and Modification Methods of Pulp Fiber Cationic Modification
Received:September 12, 2022  
DOI：10.11981/j.issn.1000-6842.2023.04.96
Key Words:pulp fiber;pretreatment;cellulose;cationization;cleaner production
Fund Project:国家自然科学基金资助项目（31971608）；辽宁省自然科学基金资助项目（2019-ZD-0125）；辽宁“百千万人才工程”培养经费资助；辽宁省高等学校创新人才计划资助项目。
Author NameAffiliationPostcode
ZHANG He College of Light Industry & Chemical Engineering， Dalian Polytechnic University， The Liaoning Province Key Lab of Paper and Pulp Engineering， Liaoning Key Lab of Lignocellulose Chemistry and Bio Materials， Lignocellulosic Biomass Refining Collaborative Innovation Center of Liaoning， Dalian， Liaoning Province， 116034 116034
HUANG Xule College of Light Industry & Chemical Engineering， Dalian Polytechnic University， The Liaoning Province Key Lab of Paper and Pulp Engineering， Liaoning Key Lab of Lignocellulose Chemistry and Bio Materials， Lignocellulosic Biomass Refining Collaborative Innovation Center of Liaoning， Dalian， Liaoning Province， 116034 116034
SUN Yanning College of Light Industry & Chemical Engineering， Dalian Polytechnic University， The Liaoning Province Key Lab of Paper and Pulp Engineering， Liaoning Key Lab of Lignocellulose Chemistry and Bio Materials， Lignocellulosic Biomass Refining Collaborative Innovation Center of Liaoning， Dalian， Liaoning Province， 116034 116034
JIA Wenchao College of Light Industry & Chemical Engineering， Dalian Polytechnic University， The Liaoning Province Key Lab of Paper and Pulp Engineering， Liaoning Key Lab of Lignocellulose Chemistry and Bio Materials， Lignocellulosic Biomass Refining Collaborative Innovation Center of Liaoning， Dalian， Liaoning Province， 116034 116034
NIU Meihong College of Light Industry & Chemical Engineering， Dalian Polytechnic University， The Liaoning Province Key Lab of Paper and Pulp Engineering， Liaoning Key Lab of Lignocellulose Chemistry and Bio Materials， Lignocellulosic Biomass Refining Collaborative Innovation Center of Liaoning， Dalian， Liaoning Province， 116034 116034
SHI Haiqiang College of Light Industry & Chemical Engineering， Dalian Polytechnic University， The Liaoning Province Key Lab of Paper and Pulp Engineering， Liaoning Key Lab of Lignocellulose Chemistry and Bio Materials， Lignocellulosic Biomass Refining Collaborative Innovation Center of Liaoning， Dalian， Liaoning Province， 116034 116034
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Abstract:
      In the papermaking process， the use of cationic polymers plays an important role in improving water filtration and retention， the strength properties of paper， and the operability and cleanliness of papermaking systems. However， cationic polyelectrolytes used in factories have the characteristics of poor biodegradability and great environmental harm. To explore the modification technology of cationic pulp fiber instead of cationic polyelectrolyte has important research value and application prospect for promoting the clean production of pulp and paper. Aiming at the problems of tight tissue structure， low accessibility of functional chemical groups and difficult modification of pulp fiber， this paper briefly reviewed the research progress of pretreatment methods and cationic modification technology of pulp fiber， and expounded the mechanism， advantages and disadvantages of different pretreatment methods for improving the accessibility and hydroxyl reactivity of pulp fiber. The cationic modification methods and reaction mechanism of pulp fiber and the application of cationic pulp fiber in papermaking were introduced.
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