PAPERmaking! FROM THE PUBLISHERS OF PAPER TECHNOLOGY Volume 2, Number 1, 2016
The role of heteropolysaccharides in developing oxidized cellulose nanofibrils, Qijun Meng et al , Carbohydrate Polymers , 144. A fundamental study was undertaken to determine the general role of heteropolysaccharides during the production of TEMPO- oxidized cellulose nanofibrils. Characterisation of films and nanopaper obtained from cellulose synthesised by acetic acid bacteria, Linda Rozenberga et al , Carbohydrate Polymers , 144. Bacterial cellulose (BC) samples were obtained using two culture media and two bacteria. Nanopaper was obtained from the BC through oxidation and both were studied to determine the impact of culture media and bacteria strain on nanofibre structure and mechanical properties. It was concluded that BC is an excellent source for easily obtainable, highly crystalline and strong nanofibres. Suitability of wheat straw semichemical pulp for the fabrication of lignocellulosic nanofibres and their application to papermaking slurries, E. Espinosa et al , Cellulose , 23 (1). The present work studies the feasibility of wheat soda pulp as a raw material for the fabrication of cellulose nanofibres and their application as an additive in papermaking. Preparation of porous sheets with high mechanical strength by the addition of cellulose nanofibrils, Kyujeong Sim & Hye Jung Youn, Cellulose , 23 (2). Porous sheets with high mechanical strength were prepared with natural pulp fibres (hardwood and softwood bleached kraft pulp) and polyethylene terephthalate (PET) by adding cellulose nanofibrils (CNF) through a wet-laid forming method. The structure and mechanical properties of the porous sheets were investigated in this study depending on the type of mixed fibres, the CNF ratio, and drying methods (cylinder-drying and freeze- drying). The feasibility of incorporating cellulose micro/nanofibers in papermaking processes: the relevance of enzymatic hydrolysis, Q. Tarrés et al , Cellulose , 23 (2). Cellulose nanofibre (CNF) is becoming a topic of great interest among the industrial and academic communities, mainly due to their potential applications in very well-differentiated industrial sectors. Among this wide range of applications, papermaking is one of the most accepted and studied. The present work attempts to assay the enzymatic hydrolysis of cellulose fibres to obtain CNFs, and offers a cost-efficient solution for the application of CNF in the production of paper from bleached pulp as well as a promising alternative to those conventional processes from a technical point of view. Processing of wood-based microfibrillated cellulose and nanofibrillated cellulose, and applications relating to papermaking: a review, Sinke H. Osong et al , Cellulose , 23 (1). This review examines the past and current situation of wood-based MFC and NFC in relation to its processing and applications relating to papermaking. Engineering cellulose nanofibre suspensions to control filtration resistance and sheet permeability, Qing Li et al , Cellulose , 23 (1). This study examines and quantifies the effect of adding polyelectrolytes to cellulose nanofibre suspensions on their gel point, which is the lowest solids concentration at which the suspension forms a continuous network. The lower the gel point, the faster the drainage time to produce a sheet and the higher the porosity of the final sheet formed.
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Technical Abstracts
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