Obtenção, caracterização e aplicação de um compósito com resina poliéster e carga de pó de cimento
The processes for obtaining and characterizing polymeric composites with resin (R) polyester and cement filler (C) were studied. The composites were defined by the mass ratio between cement and resin: C1 - 1.0 R + 0.25 C, C2 - 1.0 R + 0.50 C, C3 - 1.0 R + 0.75 C and C4 - 1.0 R + 1.0 C. The manufa...
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| Formato: | doctoralThesis |
| Idioma: | pt_BR |
| Publicado em: |
Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/31270 |
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| Resumo: | The processes for obtaining and characterizing polymeric composites with resin
(R) polyester and cement filler (C) were studied. The composites were defined by the
mass ratio between cement and resin: C1 - 1.0 R + 0.25 C, C2 - 1.0 R + 0.50 C, C3 -
1.0 R + 0.75 C and C4 - 1.0 R + 1.0 C. The manufacturing method used was closed
molding by cold wet compression. Such composites were characterized to determine
their mechanical, thermal, density, water absorption and aging properties. The most
economically viable composite was C4. It was found that the cement had a filling load
function. All composites showed lower mechanical strengths than the matrix, with a
proportional decrease with the increase in the amount of cement powder, with a 50%
loss in traction, 78% in flexion and 11.54% in impact for the C4. As an application of
the produced material, a 1.5 m2 table and a bench with the composite C4 were
manufactured. The cost of manufacturing the artificial stone of the table was lower than
that of marble or granite, which demonstrated the economic viability of applying the
proposed composite. |
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