What is Cationicity in Cationic Polyacrylamide?

 

Cationic Polyacrylamide (CPAM) is a widely used flocculant in industries such as water treatment, papermaking, and textiles. Cationicity refers to the number of positively charged groups on the CPAM molecular chain, usually expressed as a percentage. The level of cationicity directly affects the flocculation efficiency and application fields of CPAM.

 

Is Higher Cationicity Always Better?

Higher cationicity is not always better. While high cationicity CPAM performs excellently in certain applications, it may not be effective in others. Choosing the right cationicity level depends on the specific application scenario and requirements.

 

How to Select the Appropriate Cationicity Value for Different Application Fields?

1. Water Treatment: In water treatment, the choice of cationicity depends on water quality and treatment objectives. For high turbidity water, medium cationicity CPAM (20%-40%) is usually selected. For low turbidity water, high cationicity CPAM (40%-60%) can be chosen.

2. Papermaking Industry: In the papermaking industry, the choice of cationicity depends on the type of paper and production process. For high filler paper, high cationicity CPAM (40%-60%) is usually selected. For low filler paper, medium cationicity CPAM (20%-40%) can be chosen.

3. Textile Industry: In the textile industry, the choice of cationicity depends on the type of fiber and dyeing process. For natural fibers, medium cationicity CPAM (20%-40%) is usually selected. For synthetic fibers, high cationicity CPAM (40%-60%) can be chosen.

 

Conclusion

Selecting the appropriate cationicity value of polyacrylamide is crucial for different application fields.

By understanding the definition of cationicity and application scenarios, one can better choose the right CPAM product, thereby improving treatment efficiency and production effectiveness.