Expanding Strength Agent Capabilities and Performance Using a Novel Dry Chemistry, 19PaperCon
Developing dry strength is essential to the successful production of paper, particularly in board and packaging grades. However, use of conventional solution polymer strength agents can be challenging due to logistical, cost, shelf life, and regulatory limitations. To address these challenges, a strength agent in the form of a dry powder has been developed, specifically formulated for the recycled board and packaging industry. Use of this powder strength aid can simplify chemical logistics and storage, promote safety and sustainability, and open new on-machine application strategies. In addition, this chemistry has been shown to be effective at building strength and promoting retention in recycled board furnishes in multiple regions, representing a range of different fiber sources and wet end conditions; strength increases of over 10% have been observed along with production and efficiency gains. Results from laboratory studies and machine trials will be presented.
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Expanding Strength Agent Capabilities and Performance Using a Novel Dry Chemistry, 19PaperCon