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In this work, cellulose nanofibrils (CNF) were produced from a Eucalyptus globulus bleached kraft pulp by TEMPO-mediated oxidation and mechanical homogenisation, and their effects in papermaking, namely filler flocculation and retention, dry and wet-web strength and structural properties, were studied in detail. Cellulose nanofibrils possessing 0.6 mmol/g carboxyl groups and a degree of polymerisation...
For the first time flame retardant functionality was imparted in sisal (leaf fibre) yarn using N-methylol dimethylphosphonopropionamide (MDPA) based formulation. MDPA formulations were applied to sisal yarn in various concentrations by the dipping method followed by drying and curing. The formulation was optimized on the basis of tensile strength of the treated yarns. Flame retardancy of the treated...
In this paper, microcrystalline cellulose (MCC)/hydroxypropyl starch (HPS) composite films are prepared by the solution casting method, and the effect of different amounts of microcrystalline cellulose on the properties of the films is investigated. The structure of MCC/HPS composite materials is characterized by Fourier transform infra-red and scanning election microscopy, and thermal stability,...
To protect forest resources and increase the value of agro-industrial residues, it would be helpful to produce paper-based materials from non-woody or recycled fiber resources. This study investigated the reinforcement mechanism of bacterial cellulose (BC) on paper sheets made from different sources including softwood, hardwood, sugarcane bagasse, bamboo, wheat straw, and recycled fiber, which represent...
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