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Accessibility of hydroxyl groups in birch kraft pulps quantified by deuterium exchange in D2O vapor
Deuterium exchange in a deuterium oxide (D 2 O) atmosphere (95 % relative humidity), quantified by a dynamic vapor sorption (DVS) apparatus, was...
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Effect of ozonation on the reactivity of lignocellulose substrates in enzymatic hydrolyses to sugars
The efficiency of pre-treatment of aspen wood with ozone for subsequent enzymatic hydrolysis into sugars is determined by the amount of absorbed...
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Newly High-Performance Wood-Substituted Composites Based on Polybenzoxazines
Wood-substituted composites of natural woodflour-filled polybenzoxazine and theirs polybenzoxazine alloys with high mechanical properties, good...
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Substantiation of the efficiency of using ultrasonic modification as a basis of a production cycle for preparing reinforced objects of epoxy polymer composition
Problem situations are analyzed for the basic production cycle of preparing reinforced objects of composite epoxy polymers. The expedience of using...
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Delignification of deciduous wood under the action of hydrogen peroxide and ozone
Kinetic curves of the dependence of ozone specific absorption ( Q r, sp ) upon the ozonation of aspen wood pretreated with solutions of hydrogen...
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Effects of wet-pressing-induced fiber hornification on enzymatic saccharification of lignocelluloses
This article reports the effect of wet-pressing-induced fiber hornification on enzymatic saccharification of lignocelluloses. A wet cellulosic...
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Sisal Fiber Based Polymer Composites and Their Applications
The natural resources of the World are depleting very fast due to the high rate of exploitation and low rate of restoration, leading to an increase...
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Self-crosslinking of 2-hydroxypropyl-N-methylmorpholinium chloride cellulose fibres
Crosslinking of cellulose fibres was obtained by inducing a substitution reaction in a cationic cellulose ether (NMM-cellulose) prepared by action of...
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Diffusion rate of polyethylene glycol into cell walls of red pine following vacuum impregnation
Rates of penetration of polyethylene glycol (PEG) molecular weight (MW) 1,000, 2,000, and 4,000 from 30% aqueous solutions into hydrated cell walls...
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Cellulose–water interactions during enzymatic hydrolysis as studied by time domain NMR
The different states and locations of water within the cellulose matrix can be studied by the use of time domain low field NMR. In this work we show...
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Natural Fibers with Low Moisture Sensitivity
Moisture sensitivity is the most serious problem when natural fibers, such as bast fibers, are used to reinforce polymer composites. These fibers...
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Changes of cellulose fiber wall structure during drying investigated using NMR self-diffusion and relaxation experiments
The self-diffusion of water sorbed in cellulose fibers was investigatedby means of NMR during slow drying in order to follow changes in the...
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Swelling behaviour of succinylated fibers
The swelling behaviour of cellulosic fibers bearing various amounts of carboxylic groups introduced by succinylation was studied as a function of pH....
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Swelling of mechanical pulp fines
The objective of the study was to determine the swelling of different types of mechanical pulp fines. The physical and chemical characteristics of...
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Property Enhanced Natural Fiber Composite Materials Based on Chemical Modification
Agro-based resources, also referrered to as lignocellulosics, are resources that contain cellulose, hemicelluloses, and lignin. Lignocellulosics...
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Simultaneous Heat, Mass and Momentum Transfer during Biomass Drying
A mathematical model is presented of transport phenomena and moisture evaporation of biofuels exposed to radiative/ convective heating. The medium is...
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Modelling and Simulation of Moist Wood Drying and Pyrolysis
A transient, one-dimensional model which can simulate drying and pyrolysis of moist wood is presented. The porous wood is divided into four phases:...
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Simulation of Reacting Particles Applying Orthogonal Collocation on Finite Elements
PARSIM, a one-dimensional simulation tool for dynamic reactions in porous particles is presented. Several features are included in the package...
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Energy-Efficient Batch Drying of Structural Ceramics and Construction Timber
In the production of structural ceramics and construction timber the drying process not only is an important factor in the overall energy...
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Drying of Wood
Wood is continually exchanging moisture and this phenomenon is observed not only for living trees but also for pieces of wood in use, whatever the...