SearchPublisher and Institutes
You are here: Home :: Keyword index :: Kel bis mat :: kraft pulp - Laboratoriumsmedizin 
kraft pulp
Items for "kraft pulp"
The effects of initial spacing on wood density, fibre and pulp properties in jack pine (Pinus banksiana Lamb.)
Relationships between basic tree and wood properties, and species, seed source, geographic location, site conditions and management decisions are very complex...
Keywords: fibre properties, initial spacing, jack pine, kappa, kraft pulp, pulp properties, pulp yield, tree growth, tree volume, wood chemistry, wood density
08/2004 | Holzforschung, Walter de GruyterVoltammetric analysis of the bleachability of softwood kraft pulps
Kraft and oxygen delignified pulps with various kappa numbers were prepared from black spruce and western hemlock chips...
Keywords: bleachability, ECF bleaching, electrochemical analysis, kappa number, kraft pulp, lignin, reactivity, Redox potential, softwood, Voltammetry
10/2004 | Holzforschung, Walter de GruyterEnhanced wet tensile paper properties via dielectric-barrier discharge
Dielectric-barrier discharge treatment was used to modify fully bleached softwood kraft and unbleached softwood thermomechanical pulp handsheets...
Keywords: bonding, cellulose, dielectric-barrier discharge, dimensional stability, fiber modification, fiber swelling, kraft pulp, lignin, Plasma, tensile, thermomechanical pulp, wet strength
01/2005 | Holzforschung, Walter de GruyterSurface lignin and extractives on hardwood RDH kraft pulp chemically characterized by ToF-SIMS
The chemical characteristics of lignin and extractives on the outermost surface of hardwood rapid displacement heating (RDH) kraft pulp were studied using time-of-flight secondary ion mass spectrometry (ToF-SIMS)...
Keywords: birch, chemical structure, Composition, extractives, hardwood, kraft pulp, lignin, rapid displacement heating (RDH), secondary ion mass spectrometry, Surface, surface analysis, TCF bleaching, time-of-flight secondary ion mass spectrometry (ToF-SIMS)
09/2005 | Holzforschung, Walter de GruyterEvidence for the formation of lignin-hexenuronic acid-xylan complexes during modified kraft pulping processes
The finding that hexenuronic acid (HexA) groups can be selectively removed from kraft pulps by acid hydrolysis has provided an opportunity to reduce bleaching chemicals...
Keywords: acid hydrolysis, activation energy, hexenuronic acid, kinetic, kraft pulp, lignin-carbohydrate complexes, reaction order, reaction rate
03/2006 | Holzforschung, Walter de GruyterHigh-consistency ozonation of hardwood kraft pulp
At present, ozone is one of the main chemicals in elemental chlorine-free (ECF) and totally chlorine-free (TCF) bleaching sequences...
Keywords: brightness, hardwood, hexenuronic acid groups, kappa number, Kinetics, kraft pulp, lignin, Ozone, shrinking core model, viscosity
11/2006 | Holzforschung, Walter de GruyterPapermaking properties of the ECF-bleached kraft pulps from first-thinning Scots pine (Pinus sylvestris L.)
First-thinning Scots pine (
Keywords: ECF bleaching, fiber length, first thinning, kraft pulp, Pinus sylvestris, pulp properties
01/2007 | Holzforschung, Walter de GruyterCharacterization of non-cellulosic glucans in Eucalyptus globulus Labill. wood and kraft pulp
The amount of non-cellulosic glucans in
Keywords: Eucalyptus globulus, glucan, kraft pulp, NMR spectroscopy, starch, structural analysis
08/2007 | Holzforschung, Walter de GruyterFluorescence spectroscopy for chromophore studies on bleached kraft pulps
Fluorescence techniques are highly sensitive and, since aromatic lignin is the most likely source of natural pulp fluorescence, they are suitable for detailed investigation of residual lignin in bleached pulps...
Keywords: bleaching, brightness, brightness reversion, carbonyl, chemical analysis, chromophore, Fluorescence, kraft pulp, residual lignin
08/2007 | Holzforschung, Walter de GruyterCharacterisation of fines from unbleached kraft pulps and their impact on sheet properties
Fines are an essential component in the papermaking process because they have a profound influence on the behaviour of the wet web and on the mechanical properties of the final sheet...
Keywords: charged groups, fines, kraft pulp, mechanical properties, refining
09/2008 | Holzforschung, Walter de GruyterLignin-carbohydrate network in wood and pulps: A determinant for reactivity
Pretreatment of wood or kraft pulp with endoglucanase followed by swelling in urea leaves a non-crystalline residue that can be dissolved in strong aqueous sodium hydroxide-sodium borate solution...
Keywords: birch, endoglucanase, Eucalyptus globulus, kraft pulp, lignin-carbohydrate complex (LCC), size exclusion chromatography (SEC), spruce, thioacidolysis
11/2007 | Holzforschung, Walter de Gruyter