Poly(Lactic Acid) 2010
DOI: 10.1002/9780470649848.ch11
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Mechanical Properties

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Cited by 41 publications
(44 citation statements)
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“…On the other hand, this polymer has some drawbacks as well, including moisture sensitivity, fast physical ageing, poor impact resistance and relatively high price [4][5][6]. As a consequence, many attempts have been made to modify it by plasticization [7][8][9][10][11][12][13], copolymerization [14][15][16][17][18][19], blending [20,21] or by the production of particulate filled or fiber reinforced composites [11][12][13][22][23][24][25][26][27][28][29][30].…”
Section: Introductionmentioning
confidence: 99%
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“…On the other hand, this polymer has some drawbacks as well, including moisture sensitivity, fast physical ageing, poor impact resistance and relatively high price [4][5][6]. As a consequence, many attempts have been made to modify it by plasticization [7][8][9][10][11][12][13], copolymerization [14][15][16][17][18][19], blending [20,21] or by the production of particulate filled or fiber reinforced composites [11][12][13][22][23][24][25][26][27][28][29][30].…”
Section: Introductionmentioning
confidence: 99%
“…PLA has several advantages, among others it can be produced from renewable resources [2] thus its application does not generate supplementary CO 2 emission [3], it is recyclable and compostable, it has good stiffness and strength, and its properties can be modified and adjusted to a large number of applications in various ways [4][5][6]. On the other hand, this polymer has some drawbacks as well, including moisture sensitivity, fast physical ageing, poor impact resistance and relatively high price [4][5][6].…”
Section: Introductionmentioning
confidence: 99%
“…Fonte: [3] As amostras para os ensaios mecânicos são obtidas, geralmente, pelo método de injeção. Devido ao fato de o PLLA apresentar baixa cinética de cristalização, o tratamento térmico feito com os corpos de prova no molde de injeção próximo a sua temperatura de cristalização (em torno de 105°C) causa um aumento do grau de cristalinidade, resultando em um material mais rígido, ou seja, com maiores valores do módulo de elasticidade (E) e menores valores de elongação na ruptura [3,57] , como é observado na Tabela 3.…”
Section: O Poli(ácido Lático)-plaunclassified
“…De acordo com diversos estudos [3,[58][59][60] , o aumento da massa molar de 107.000 a 550.000 g/mol resulta em um aumento de 20% na resistência à tração. No entanto, em materiais de elevadas massas moleculares, a variação de propriedades mecânicas torna-se menos evidente.…”
Section: O Poli(ácido Lático)-plaunclassified
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