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Libros y Articulos relacionados con: I+I+D, Papel de Impresión
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ARTICULOS
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1. Novel CaCO3-polymer nanocomposite fillers for the improvement of bagasse-based papers Polymeric inorganic nanocomposites have received considerable attention because of their potential application in diverse areas, including papermaking industries. To develop novel filler materials to improve important paper properties, polyacrylamide (PAM)-coated nano-calcium carbonate (CaCO3) nanocomposite fillers were synthesized and studied for their chemical and morphological characteristics. The effect of PAM-modified CaCO3 nanofillers on properties of paper made with bagasse-based pulp was evaluated and compared with papers made with pristine nano-CaCO3 fillers. The Fourier transform infrared spectroscopy results confirmed the attachment of PAM/CaCO3 nanocomposites with the cellulosic fiber matrix. The scanning electron microscope and light microscopic images confirmed that the PAM-modified CaCO3 fillers deposited larger aggregated clusters of particles on the fiber surfaces more firmly, which caused the improved paper properties. The surface and the optical properties of the bagasse papers filled with PAM prefloccuated-CaCO3 nanofillers were tremendously increased without sacrificing strength properties because of the increased fiber-filler-fiber bonding. Tappi Journal
Nº: 1511
Fecha: Noviembre 2016