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Este trabajo presenta los resultados de un proceso experimental de reutilizacion de residuos obtenidos de desechos de placas de yeso laminado elaboradas con residuos polimericos de origen industrial (espuma de poliuretano) y reforzadas con fibras de polipropileno, para la fabricacion de nuevas placas de yeso laminado. Para ello, se expone la metodologia de reciclado de placas prefabricadas buscando de esta forma aumentar el ciclo de vida del yeso y de los residuos de poliuretano empleados. Para ello se detalla el proceso de fabricacion las nuevas placas asi como su caracterizacion mediante ensayos fisicos y mecanicos a traves de ensayos normalizados para placas de yeso laminado (densidad aparente, resistencia a flexion, absorcion total en agua y dureza superficial). Los resultados obtenidos indican que es posible reciclar este tipo de prefabricados de una manera sencilla. De la misma forma se ha demostrado que las nuevas placas fabricadas con el residuo recuperado, presentan un buen comportamiento mecanico, a la par que se reduce su capacidad de absorcion de agua y se aumenta su dureza su superficial. Abstract This paper presents the results of an experimental process of reusing waste obtained from waste gypsum plasterboard made from polymeric industrial waste (polyurethane foam) and polypropylene fibers whit the aim to manufacturer new gypsum plasterboards. Therefore, a methodology to recycle is presented to increase the life cycle of waste gypsum. The manufacturing process of the plates is detailed as well as their physical and mechanical characterization by means of standardized for gypsum plasterboard (bulk density, flexion strength, total water absorption and surface hardness). The results indicate that it is possible to recycle this type of prefabricated in a simple way. Likewise it has been demonstrated that new plates made with the residue reusing, have good mechanical strength, at the same time reduce the capacity of water absorption and increase its surface hardness.

Reciclado de placas de yeso laminado aligeradas con residuos de poliuretano = Recycling of gypsum plasterboard lightened with polyurethane waste