Low energy TMP furnish of improved strength by ozonation and pre

Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With non-fiber material added to product


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162 13, 162 65, 162150, 162 71, 162175, 162206, D21F 1102




Press dried paper sheets from certain ozonated high yield pulps are disclosed. Such sheets show substantially improved strength over comparable sheets prepared from non-ozonated pulps and over non-press dried sheets from ozonated pulps.

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The Effect of Single Nip Press Drying on Properties of Liner of High Yield Kraft Pulp, Pulp & Paper Canada, Anderson and Back, vol. 77, No. 12, 12/76.
Z-Direction Restraint, A New Approach to Papermaking, USDA Forest Service, Research Paper, FPL 256, 1975.
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Multistage Press Drying of Paper, Back and Anderson, Swedish Forest Products Research Laboratory, Stockholm, Svensk Papperstidning No. 2-1979 82 (1979) 35-39.


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