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http://repositorio.ufla.br/jspui/handle/1/31722| Title: | The effect of post-heat treatment in mdf panels |
| Keywords: | Panels - Physical and mechanical properties Dimensional stability Temperature and time of heat treatment Post-heat treatment Painéis - Propriedades físicas e mecânicas Estabilidade dimensional Temperatura e tempo de tratamento térmico Tratamento pós-calor |
| Issue Date: | Jan-2017 |
| Publisher: | Associação Brasileira de Polímeros |
| Citation: | OLIVEIRA. S. L. et al. The effect of post-heat treatment in mdf panels. Materials Research, São Carlos, v. 20, n. 1, p. 183-190, Jan./Feb. 2017. |
| Abstract: | This study was to evaluate the effect of post-heat treatment on the physical and mechanical properties of MDF (Medium Density Fiberboard) panels. Commercial MDF panels were produced in Brazil using Pinus wood and urea-formaldehyde (UF) adhesive. The post-heat treatments were carried in a factorial 3 x 2 (three temperatures of heat treatment - 200, 225 and 250 °C, and two times - 5 and 10 minutes), and a control treatment (without heat treatment). Subsequently, the physical and mechanical tests were performed. From the results it can be concluded that: 1) The most effective thermal post-treatment for improving the dimensional stability of the MDF was applied at 225 ° C and 10 min; 2) All the thermally treated panels revealed a significant decrease in the modulus of rupture and modulus of elasticity (MOR and MOE) to bending when compared with the control panels without post-heat treatment. |
| URI: | http://repositorio.ufla.br/jspui/handle/1/31722 |
| Appears in Collections: | DCF - Artigos publicados em periódicos |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| ARTIGO_The effect of post-heat treatment in mdf panels.pdf | 448,96 kB | Adobe PDF | View/Open |
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