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- W2410858712 abstract "espanolFueron desarrolladas redes polimericas interpenetradas, (IPNs), incorporando aceite de ricino y acetato de celulosa (AC) para modificacion del poliuretano (PU), con la adicion de poliacido acrilico, (PAA). Primeramente se obtuvo el PU utilizando el aceite de ricino como poliol natural; este PU sirvio de matriz para la adicion de acetato de celulosa, estos componentes pueden incorporarse a la estructura del PU al aportar grupos OHs y que son necesarios para realizar la sintesis de policondensacion con la que se obtiene este polimero. Con el PU de base, se obtuvo la IPN en combinacion con el PAA que se sintetizo por el mecanismo de radicales libres. Fue necesario determinar el metodo de sintesis empleado en la obtencion de estos materiales, en este caso, la sintesis secuencial fue la mas apropiada dada la naturaleza de los monomeros. La caracterizacion de las redes sintetizadas se llevo al cabo mediante analisis de espectroscopia de infrarrojo por transformada de Fourier (FTIR), calorimetria diferencial de barrido (DSC), microscopia electronica de barrido (SEM) EnglishInterpenetrating polymer networks were developed, (IPNs), incorporating oil castor and cellulose acetate (AC) for modification of polyurethane (PU), with the poliacid acrylic addition (PAA). Firstly the PU was obtained using the castor oil like natural poliol. PU served as matrix for the addition of cellulose acetate. Castor oil and cellulose acetate contributing with OHs groups, which are necessary to realise the polycondensation synthesis to obtained this polymer. With the PU, the IPN in combination with the PAA was obtained by the mechanism of free radicals. It was necessary to determine the method of synthesis used in the obtaining of these materials, this case, the sequential synthesis most appropriate was given the nature of monomers. IPNs were analyzed through Fourier transform infrared (FTIR), differential scanning calorimetric (DSC), scanning electron microscopy (SEM)." @default.
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- W2410858712 date "2016-01-01" @default.
- W2410858712 modified "2023-09-26" @default.
- W2410858712 title "COMPATIBILIDAD DE POLIURETANO MODIFICADO Y POLIÁCIDO ACRÍLICO EN UNA RED POLIMÉRICA INTERPENETRADA" @default.
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