Utilize este identificador para referenciar este registo:
https://hdl.handle.net/1822/89816
Título: | Development and characterization of renewable source composites to replace petrol-based polymers into interior door trims |
Autor(es): | Loureiro, N. C. Esteves, J. L. Viana, J. C. Ghosh, Satyabrata |
Palavras-chave: | Composite characterization Renewable source composites |
Data: | Jun-2012 |
Editora: | European Conference on Composite Materials (ECCM) |
Resumo(s): | The Mechanical properties of PHA/PLA blends can be optimized trough the variation of the PHA contents on the blend. It's possible to predict the flexural and tensile properties recurring to Rule of Mixtures, Kerner-Uemura-Takayanagi, Nicolai-Narkis and Béla-Pukánsky models. All of them will validate the experimental obtain values and they anticipate a good adhesion between both phases. Nevertheless, for low levels of incorporation of PHA (up to 30%), where PLA is expectantly the matrix, the experimental data seems to deviate from the perfect adhesion models, suggesting a decrease on the adhesion between both polymeric phases. The impact energy varies over 157% over the entire blend composition. It's possible to identify that for blends with PHA weight fraction lower than 50% the impact strength of the blend is higher than the pure base polymers. The highest synergetic effect is found for the blend PHA/PLA of 30/70. The second maximum is found for the inverse composition. PLA has a Heat Deflection Temperature substantially lower than PHA. For the blends, the HDT increases with the increment upon the % of incorporation of PHA. Up to 50% PHA (PLA as matrix), the HDT is practically constant and equal to PLA value. Over this point (PHA matrix), the HDT of the polymer blends increases linearly with % of addition of PHA. |
Tipo: | Artigo em ata de conferência |
URI: | https://hdl.handle.net/1822/89816 |
ISBN: | 9788888785332 |
Arbitragem científica: | yes |
Acesso: | Acesso restrito UMinho |
Aparece nas coleções: | IPC - Resumos alargados em actas de encontros científicos internacionais com arbitragem |
Ficheiros deste registo:
Ficheiro | Descrição | Tamanho | Formato | |
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Development and characterization.pdf Acesso restrito! | 605,65 kB | Adobe PDF | Ver/Abrir |