As one of the the Four Great Inventions in ancient China, papermaking is an outstanding invention in the history of human civilization. With the development of technology and the increasing demand for paper products, papermaking technology has also made rapid progress, making papermaking more efficient and scientific.

The papermaking industry is a chemical processing industry that uses fibers as the material. The use of chemical additives is indispensable in pulp making, papermaking, and paper processing. Chemical additives can endow paper with various excellent special properties.

Classification of papermaking additives

Paper additives can be roughly divided into four categories based on their uses: pulp additives, papermaking additives, coating processing additives, and other related additives.

1. Pulping aids: cooking aids, bleaching aids, complexing agents 2. Paper making additives: retention and filtration aids, defoamers, resin barrier removers, preservatives, dispersants, sizing agents, dry strength agents, softeners, flame retardants, waterproofing agents, rust inhibitors, oil repellents, whitening agents, anti-static agents 3. Coating processing aids: pigments, adhesives, dispersants, defoamers, lubricants, waterproofing agents, preservatives 4 Other additives: wool cleaning agents, isolation agents, sewage treatment agents. Among them, cationic polyacrylamide plays a huge role in the paper industry, and it can be said that the paper industry cannot do without cationic flocculants. Cationic flocculants can be used as paper drying agents, paper dispersants, retention aids, and filter aids, which can improve the quality of paper during the production process and effectively save costs.

Due to the fact that the use of paper additives in China is still in its initial stage, the main trend for the development of paper additives in the future is to develop specialized paper additives suitable for non wood fibers, specialized paper additives suitable for secondary fiber recovery, environmentally friendly and green paper additives that can improve the environment, develop paper additives that integrate multiple functions, and develop paper additives with special functions.

With the progress of society and the improvement of people's quality of life, there is an increasing demand for various types and quantities of paper with special functions. Modern industrial skills and lifestyles have put forward many new requirements for the performance of paper, and almost all of these requirements can be achieved by selecting various paper additives with special functions. Therefore, it is necessary to vigorously develop papermaking additives with special functions. only the rapid and scientific development of papermaking additives can promote the development of the paper industry.