2016
DOI: 10.1590/1980-5373-mr-2015-0496
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Preparation and Characterization of Maleic Anhydride Grafted Poly(Hydroxybutirate-CO-Hydroxyvalerate) – PHBV-g-MA

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Cited by 47 publications
(34 citation statements)
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“…This feature leads to a better dispersion of the wood-based fillers in a biopolyester matrix compared to PP [13]. In contrast to the widespread use of specific compatibilisers, such as maleated PP (MA-PP) in polyolefins, their use with biopolyester (MA-PHA [16] and MA-PLA [17]) is still limited and noncommercial [18]. Unfortunately, no trends in the effectiveness of compatibilisers on PLA-based NFCs have been identified.…”
Section: Introductionmentioning
confidence: 99%
“…This feature leads to a better dispersion of the wood-based fillers in a biopolyester matrix compared to PP [13]. In contrast to the widespread use of specific compatibilisers, such as maleated PP (MA-PP) in polyolefins, their use with biopolyester (MA-PHA [16] and MA-PLA [17]) is still limited and noncommercial [18]. Unfortunately, no trends in the effectiveness of compatibilisers on PLA-based NFCs have been identified.…”
Section: Introductionmentioning
confidence: 99%
“…Verifica-se que a PCL tem T 5% em aproximadamente 365°C, e os polímeros funcionalizados com concentração de 2,5% de MA tem T 5% a 291,64°C para 0,3% DCP e a 229,13°C com 0,5% DCP, com uma redução de aproximadamente 21% da temperatura de T 5% . Aumentando-se o teor de anidrido maleico de 2,5% para 5,0% se tem uma diminuição da temperatura de perda a T 5% em relação à PCL, efeito também observado por MONTANHEIRO et al [17] no estudo com PHB.…”
Section: Figuraunclassified
“…Os compósitos compatibilizados com 1% em peso de MA e 10% em peso do iniciador L101 mostraram uma maior resistência à tração, no entanto, demonstrou-se que o alongamento até a ruptura permaneceu quase o mesmo que a composição PLA virgem/amido. MONTANHIRO et al [17] produziram o copolímero poli (hidroxibutirato-co-hidroxivalerato) (PHBV) enxertado com MA por mistura mecânica reativa utilizando o peróxido de dicumila (DCP) como catalisador. A temperatura de degradação térmica inicial do copolímero foi reduzida quando comparada com a do PHBV puro.…”
Section: Introductionunclassified
“…The reaction in the melt, by reactive processing, has been the most used method due to lower cost and easy operation. 12,13 Continuous or discontinuous mixing equipment can be used as a reactive chemical reactor, maleic anhydride grafting reactions with peroxides were performed on both torque rheometers and single and double screw extruders. During reactive extrusion, polymer modification reactions and processing take place simultaneously.…”
Section: Introductionmentioning
confidence: 99%