The paper industry continuously seeks innovative solutions to improve product quality, optimize production efficiency, and reduce environmental impact. Polyacrylamide (PAM) has proven to be a highly effective chemical additive in various stages of papermaking, contributing significantly to these goals.

As a high molecular weight polyelectrolyte, PAM acts as a crucial retention aid and drainage aid. In the papermaking process, fine fibers, fillers (like clay or calcium carbonate), and sizing agents are suspended in water to form the paper furnish. PAM helps to flocculate these fine particles, binding them together and to the cellulose fibers. This flocculation enhances the retention of fillers and fibers on the forming fabric (wire), preventing their loss into the white water. Improved retention means less material loss, reduced raw material costs, and a cleaner white water system.

Simultaneously, the enhanced flocculation by PAM promotes faster drainage of water from the furnish as it passes over the forming fabric. This increased drainage rate allows for higher machine speeds, boosting production output and reducing energy consumption in the drying sections. The improved formation of the paper sheet, resulting from better fiber distribution and retention, also contributes to enhanced paper quality.

Furthermore, PAM can act as a paper strength agent, improving both the dry strength (e.g., tensile strength, burst strength) and wet strength of the finished paper. By binding fibers more effectively, it increases the overall integrity and durability of the paper product. This is particularly beneficial for specialty papers, packaging materials, and tissues.

Depending on the specific furnish composition and desired properties, either cationic, anionic, or nonionic PAM can be employed. Cationic PAM is frequently used due to the slight negative charge of cellulose fibers in aqueous suspension, allowing for strong electrostatic attraction and bridging. However, the optimal choice is often determined through laboratory testing and pilot trials to ensure compatibility with other chemicals in the papermaking process and to achieve the desired performance characteristics.

As a dedicated supplier of polyacrylamide for various industrial applications, we understand the critical role PAM plays in modern papermaking. We offer a range of high-quality PAM products, supported by technical expertise to assist paper manufacturers in optimizing their additive packages for improved efficiency, product quality, and cost savings. Partnering with us ensures a reliable supply of premium PAM to meet your production demands.