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Items for "fiber charge"

Alkaline peroxide treatment of ECF bleached softwood kraft pulps. Part 1. Characterizing the effect of alkaline peroxide treatment on carboxyl groups of fibers

The influence of alkaline peroxide treatment has been characterized on elementally chlorine-free (ECF) bleached softwood (SW) kraft pulp...

Keywords: carbonyl, carboxyl, copper number, fiber charge, peroxide, sodium borohydride, tensile strength, viscosity

06/2007 | Holzforschung, Walter de Gruyter
Alkaline peroxide treatment of ECF bleached softwood kraft pulps: Part 2. Effect of increased fiber charge on refining, wet-end application, and hornification

The effect of increased fiber charge on refining, cationic starch adsorption, and hornification was examined...

Keywords: atomic force microscopy, carboxyl, cationic starch, drying, fiber charge, hornification, peroxide, refining, tensile, wet-end

06/2007 | Holzforschung, Walter de Gruyter
Elucidating carboxylic acid profiles for extended oxygen delignification of high-kappa softwood kraft pulps

Two laboratory high-lignin-content softwood (SW) kraft pulps with kappa values of 48.0 and 49.5, prepared by cooking at high and low active alkali (AA), were used for the study of fiber charge development during two-stage oxygen delignification with inter-stage washing (OwO)...

Keywords: carbohydrate, carboxylic acid, extended oxygen delignification, fiber charge, kraft cooking, NMR analysis, residual lignin

03/2006 | Holzforschung, Walter de Gruyter