Increased Machine Efficiency Using A Novel, Structured Wet Strength Resin, 19PaperCon
Wet strength resins are essential performance chemicals used in the production of tissue, towel, paper, board, and specialty papers. Wet strength resins allow these types of paper products to retain a significant amount of their tensile strength when wet. A recent innovation has resulted in a step-change in wet strength performance using a technology that employs novel raw materials and a unique manufacturing process. This unique technology has proven to reduce resin dosages by 15 – 40% while maintaining wet tensile strength targets and achieving higher maximum wet and dry tensile strength. Lower resin dosage can reduce cost-in-use and reduce the contents of both volatile organic compounds (VOC) and chlorinated by-products. This new technology can provide increased retention, drainage, and machine speed while maintaining product quality specifications, allowing optimization of retention, drainage and formation programs. Another benefit is reduced white water foaming compared to conventional resin products. Higher maximum wet tensile strength allows for new grade development, fiber substitution and other operational improvements such as improved drying and speed capacity through reduced refining. This technology has been shown to be more efficient than other products in all grades, furnishes, and systems. Secondary benefits of reduced resin usage rates are reduced delivery cycles and more efficient inventory management. This paper will discuss the commercialization of this new wet strength resin.
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