2002
DOI: 10.1016/s0008-8846(02)00858-x
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The optimization of a gypsum-based composite material

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Cited by 101 publications
(39 citation statements)
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“…Relatively large amounts of mixing water may be needed, delaying setting time and lowering mechanical performance. Most gypsum plaster properties can be improved by including other constituents to form composites, i.e., a combination of two or more materials, one of which, the reinforcement, is in the form of fibers, sheets or particles embedded in the plaster matrix (11).…”
Section: Introductionmentioning
confidence: 99%
“…Relatively large amounts of mixing water may be needed, delaying setting time and lowering mechanical performance. Most gypsum plaster properties can be improved by including other constituents to form composites, i.e., a combination of two or more materials, one of which, the reinforcement, is in the form of fibers, sheets or particles embedded in the plaster matrix (11).…”
Section: Introductionmentioning
confidence: 99%
“…The mechanical strength of hemihydrate gypsum added with Portland cement and slags from a blast furnace in an external environment and after three years of exposition is similar to that of hemihydrate gypsum in an interior environment, since plaster compactness is improved and water resistance increased (2). A mix of water-soluble polymers, usually a type of cellulose ether such as methyl cellulose (MC) or modified methyl cellulose (MMC), improves the compressive strength of gypsum (>5 MPa) (3). Nevertheless, latexmodified plaster has lower mechanical strengths (4).The inclusion of SBR, a flexible type of latex, in the gypsum matrix showed the development of a polymer network (PN) that overlaps the ceramic matrix and manages to increase the material's elasticity or flexural behavior whilst achieving low density (5).…”
Section: Introductionmentioning
confidence: 99%
“…La aplicación de aditivos aireantes también es importante para la estabilización de los poros generados en el amasado y proveen trabajabilidad y una superficie suave y lustrosa. Estos aditivos también incrementan el volumen de la pasta y el aislamiento térmico y acústico (3). El látex acrílico a base de agua, en grandes dosificaciones, tiende a retardar el proceso de hidratación y reducir la relación agua/yeso (6).…”
Section: Introductionunclassified
“…Al mismo tiempo, es un material tradicional de acabado, de bajo coste, fácil aplicación y buena apariencia. Es un regulador higrotérmico que contribuye a mejorar las condiciones de vida mediante la reducción de las fluctuaciones de la humedad relativa (Arikan & Sobolev, 2002), con un amplio uso en la producción de elementos prefabricados.…”
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“…La forma dihidratada se mantiene estable hasta 120°C (Arikan & Sobolev, 2002), cuando empieza a perder el agua de composición, y se convierte en semihidrato. El semihidrato al perder 1/2 molécula de agua a 180°C se convierte en anhidrita.…”
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