Results 151 to 160 of about 1,901 (201)

Thermoformed products from high-density polyethylene and Softwood kraft pulp. [PDF]

open access: yesNord Pulp Paper Res J
Desnoes E   +3 more
europepmc   +1 more source

Comparison of thermal, rheological properties of Finnish Pinus sp. and Brazilian Eucalyptus sp. black liquors and their impact on recovery units. [PDF]

open access: yesSci Rep
Nuncira J   +6 more
europepmc   +1 more source

Determination of fiber charge components of Lo-Solids unbleached kraft pulps

Journal of Colloid and Interface Science, 2004
Four different titration methods for measurement of fiber charge were used in this study. Each method gave different fiber charge values depending on the acidity of the end point and the interaction between the fiber chemical components and the titrant.
Nishi K Bhardwaj
exaly   +3 more sources

Variation of Phenolic Hydroxyl Contents in Unbleached Kraft Pulps

Holzforschung, 1995
The content of phenolic hydroxyl groups in the unbleached kraft pulp residual lignin was determined in situ by periodate oxidation method. This functional group has been shown to increase steadily with the extent of kraft delignification throughout the entire pulping process.
Yuan-Zong Lai   +6 more
exaly   +2 more sources

Surface Characterization of Unbleached Kraft Pulps by Enzymatic Peeling and ESCA

Holzforschung, 1996
Specific enzymes hydrolyzing pulp carbohydrates can be used for characterization of pulp fibres. By combining enzymatic peeling of fibre hemicelluloses with novel techniques of surface analysis, such as ESCA, new information can be obtained on the location of different components, i.e. xylan, glucomannan and lignin on the fibre surfaces.
Carlsson, Göran   +4 more
exaly   +3 more sources

Effect of the counterion on the beatability of unbleached kraft pulps

Nordic Pulp and Paper Research Journal, 2000
The objective of this investigation was to demonstrate the effect of the counterion on the energy consumption during a beating process and on the resulting strength properties of handsheets.
Lars-Åke Hammar   +2 more
exaly   +2 more sources

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