2022
DOI: 10.34117/bjdv8n3-252
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Compósitos minerais produzidos com matriz de gesso e reforçados com resíduos de algodão (Gossypium herbaceum L.) / Mineral composites produced with gypsum matrix and reinforced with cotton waste (Gossypium herbaceum L.)

Abstract: A pesquisa teve por objetivo avaliar a qualidade de compósitos à base de gesso reforçados com partículas de madeira de Eucalyptus grandis e resíduos provenientes da cultura do algodão. Foram adotadas as seguintes proporções de substituição do eucalipto pelo resíduo de algodão: 0%, 25%, 50%, 75% e 100% em relação à massa total de partículas. A densidade nominal foi 1,20 g/cm³ e as dimensões finais dos compósitos foram de 20,0 cm x 20,0 cm x 1,5 cm (comprimento x largura x espessura, respectivamente). Em relação… Show more

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“…According to the literature, the values obtained in this research are close to those reported [30] studied the plaster matrix reinforced with cellulosic pulp and jute blanket, finding average values of water absorption between 34.08% and 42.05% [23] when replacing plaster with cotton residues (0, 25, 50, 75 and 100%) obtained average values between 30% and 40%, the authors attributed the increase in water absorption due to the increased porosity of the composites, since the fiber volume was high and the plaster was unable to coat them efficiently and sufficiently, causing fragility of the interfacial connection.…”
Section: Physical Properties Of Nanocompositessupporting
confidence: 88%
See 1 more Smart Citation
“…According to the literature, the values obtained in this research are close to those reported [30] studied the plaster matrix reinforced with cellulosic pulp and jute blanket, finding average values of water absorption between 34.08% and 42.05% [23] when replacing plaster with cotton residues (0, 25, 50, 75 and 100%) obtained average values between 30% and 40%, the authors attributed the increase in water absorption due to the increased porosity of the composites, since the fiber volume was high and the plaster was unable to coat them efficiently and sufficiently, causing fragility of the interfacial connection.…”
Section: Physical Properties Of Nanocompositessupporting
confidence: 88%
“…The low density, however, provides lightness to the material, due to the increase in empty spaces in the developed formulations [22]. The lightness of the materials is an interesting property for the civil construction segment, as lighter materials reduce effort requests [23] and accelerate construction schedules [24]. In view of the literature, one can see the great interest behind the development of low-density materials with the use of bio-based fibers and the addition of nanomaterials.…”
Section: Physical Properties Of Nanocompositesmentioning
confidence: 99%