New Opportunities in Paper and Nonwoven Industries with Foam-assisted Web Forming and Chemical Application, TAPPICon22

Foam-assisted web forming and chemical application technologies have great potential to improve manufacture efficiency and the quality of the product in paper and nonwoven industries. In this study, the benefits of foam forming and foam-assisted application of chemicals were demonstrated in a pilot machine trial. Uniform high bulk webs of unrefined BSKP and viscose fibers were manufactured by foam forming. It was shown that foam formed low grammage and high bulk viscose fiber webs can be strengthened by foam-assisted application of latex onto the wet web. Correspondingly, foam-assisted application of CMC and A-PAM improved strength of the foam formed low grammage and high bulk BSKP web. Overall, pilot machine results indicated that material cost savings could be achieved and high performance product manufactured with foam-based technologies.

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