What is a papermaking dispersant
A dispersant is a chemical substance that can disperse chemicals or particles so that they are evenly dispersed in a liquid. In many industrial fields, the use of dispersants is essential for the stability, quality and efficiency of production pipelines and products.
Papermaking dispersants are auxiliary agents used in pulping and papermaking processes. They are mainly used to disperse fibers and other impurities to improve the efficiency of the papermaking process and the quality of paper. In the papermaking process, due to the hydrophobicity of paper fibers and fillers in the pulp, there is a tendency to flocculate into agglomerates, and it is often difficult to produce paper with uniform performance and strength that meets the requirements. Therefore, in the papermaking industry, papermaking dispersants are widely used in pulping and papermaking processes to improve the stability and product quality of pulping and paper pulp.
The liquid properties of papermaking dispersants are manifested in three aspects
Papermaking dispersants need to have some important performance characteristics. Let’s explain the characteristics of manufacturing papermaking dispersants from the perspective of liquid properties.
Papermaking dispersants usually appear in industrial production lines in liquid form. This is because liquid dispersants are easier to be evenly dispersed in pulping/paper pulp in liquid form. Since liquid dispersants are easy to disperse, solid particles can be mixed more easily when adding other liquid pulping/pulping process chemicals, such as oxidative bleaching agents, sensitizers, etc., making the process more stable.
The liquid nature of papermaking dispersants is one of their basic characteristics. Usually, papermaking dispersants exist in liquid form, have high viscosity, fluidity and miscibility, and can be evenly dispersed in fibers and impurities during pulping and papermaking.
Easy to store and transport
Liquid papermaking dispersants are easier to store and transport than solid dispersants. Because the density of liquid dispersants is relatively small, more products can be stored under the same volume conditions, thereby reducing storage and transportation costs.
Easy to add and mix
Liquid dispersants can be directly added to fibers and impurities in the pulping and papermaking process, evenly dispersed during the mixing process, and interact more effectively with fibers, thereby achieving better dispersion effects.
Easy to adjust in the process
Since the parameters such as the addition time and addition amount of liquid dispersants can be adjusted in different processes, the use of liquid dispersants can be more easily adjusted in subsequent processing to achieve better results.
Conclusion
Papermaking dispersants usually have a variety of different performance effects, including liquidity, adsorption, etc. Therefore, choosing the right dispersant can be produced and manufactured for different products to meet different needs.