The papermaking process is complex, requiring precise control over various chemical additives to ensure product quality and efficient production. Anionic Polyacrylamide (APAM) has emerged as a key additive in this industry, primarily serving as a retention aid and a drainage aid. Its ability to flocculate fine fibers and fillers suspended in the pulp slurry is instrumental in improving the papermaking process and the characteristics of the final paper product.

As a retention aid, APAM helps to keep fine particles, such as pulp fibers and mineral fillers, within the paper sheet rather than washing away with the process water. This leads to improved material utilization, reduced environmental discharge of solids, and enhanced paper formation. The anionic charge of APAM allows it to effectively bridge these fine particles, creating a more cohesive sheet. Simultaneously, APAM acts as a drainage aid by aggregating the solid particles, facilitating the rapid removal of water from the pulp slurry. This acceleration of drainage allows for faster machine speeds, increasing production efficiency and reducing energy consumption related to drying.

The application of papermaking additive polyacrylamide is critical for achieving desired paper properties such as strength, opacity, and printability. Different grades of APAM, varying in molecular weight and charge density, are available to cater to specific paper grades and machine conditions. Manufacturers often recommend precise dosage rates and application points to maximize the benefits of APAM. NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to supplying high-quality polyacrylamide solutions that support the demanding requirements of the paper industry, contributing to the production of superior paper products.