MULTI-FUNCTIONAL POLYMER ADDITIVE FOR IMPROVED STRENGTH AND PRODUCTIVITY, 18PaperCon

In recent years, the demand for communication papers has declined as a direct result of the increased use of digital communications. Overcapacity and intense competition have resulted in paper makers having great interest in reducing raw material and energy costs when producing printing and writing grade paper. This reduction can be accomplished by increasing the percentage of filler and/or mechanical pulp. As filler and mechanical pulp levels increase, strength is sacrificed. Many complex offerings exist to enhance strength in highly filled grades. To reduce complexity and improve the strength properties of printing and writing grade paper, a unique strength program was developed. The technology was designed to significantly increase sheet tensile strength, even in the presence of high surface area filler particles and high yield pulp. The new strength program can also be leveraged to further optimize the wet end additives and mechanical conditions; this creates additional value such as improved retention, drainage, and increased productivity. This paper will focus on the development of new, multi-functional strength chemistry and its use in various paper grades. 

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