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Thermal tools to evaluation of decayed and weathered wood polymer composites prepared by in situ polymerization. Repositório Alice
MATTOS, B.; LAZZAROTTO, M.; MAGALHAES, W. L. E.; GATTO, D. A..
This study aims to apply thermal tools in the evaluation of decayed and weathered wood polymer composites prepared by in situ polymerization of methyl methacrylate (MMA) using glycidyl methacrylate (GMA) and methacrylic acid (MAA) as cross-linkers. The pine wood samples were impregnated in a vacuum/pressure system and polymerized in an oven at 90°C for 10h, using benzoyl peroxide at 1.5 wt% as catalyst. The untreated wood and composites were exposed to in vitro decay tests with Trametes versicolor and Gloeophyllum trabeum fungi, and to artificial weathering. The weight loss after tests was measured, and the characterization was performed by thermogravimetric (TGA) and differential scanning calorimetry (DSC) analysis. The mass loss caused by exposure to...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Madeira; Compósito; Polímero; Metacrilato; Aditivo; TGA; DSC; Pinewood; Methacrylate; Additives.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1000392
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