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How polyacrylamide improves the air permeability and anti-permeability of paper?
Polyacrylamide plays an essential role in improving the breathability and permeability resistance of paper in the papermaking industry. In various application scenarios, Polyacrylamide provides effective solutions for enhancing the performance of paper through different mechanisms.
On the one hand, in recycled paper production, Mining Polyacrylamide is utilized as a paper strength enhancer and dispersant. Its addition helps maintain the tensile strength of the paper while preserving its overall performance. The inclusion of Polyacrylamide improves features such as paper strength and filtration, thus enhancing the quality of the paper.
On the other hand, in modern offset printing, cationic Polyacrylamide (CPAM) serves as a paper strength enhancer. CPAM possesses excellent absorbency and chlorine binding sites, effectively strengthening fiber bonding and enhancing paper strength. Particularly, CPAM significantly improves tear resistance, making the paper more suitable for printing and processing.
Furthermore, Polyacrylamide is also used in the production of heat-resistant waterproof paper. By adding components such as fatty acid sizing agents, PAM-type paper strength enhancers, aluminum sulfate, and epoxy enhancers to the papermaking chemical pulp, the resulting paper exhibits outstanding tear strength and printing performance, demonstrating excellent heat resistance and waterproof properties under high temperatures.
Moreover, Polyacrylamide serves as a dispersant for paper, improving the smoothness of paper pages and enhancing the surface quality of paper. Additionally, its application as a retention aid ensures the quality of the paper.
In practical production, different types of Mining Polyacrylamide products have varying applicability and performance characteristics. For instance, RETAMINOL C0.1, produced by the US company BAYER, contains CPAM, with an appropriate concentration range of 0.05% to 0.3%, which can be adjusted according to specific needs.
The application of Polyacrylamide in improving the breathability and permeability resistance of paper is diverse. Through its role in the papermaking process, it effectively enhances the performance and quality of paper, contributing significantly to environmental protection and economic efficiency.
