1993
DOI: 10.1016/0032-3861(93)90212-s
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Preparation and properties of absorbable fibres from l-lactide copolymers

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Cited by 163 publications
(97 citation statements)
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“…This result is in agreement with the fact that PLGA degradation can be mainly attributed to the duration and heat exposure during material processing [51]. The extrusion time should therefore be kept as short as possible.…”
Section: Polymer Degradation During Processingsupporting
confidence: 89%
“…This result is in agreement with the fact that PLGA degradation can be mainly attributed to the duration and heat exposure during material processing [51]. The extrusion time should therefore be kept as short as possible.…”
Section: Polymer Degradation During Processingsupporting
confidence: 89%
“…Recrystallization from toluene gave 47 g of pure product: 59% yield. 1 3-Methyl-6-hexyl-1,4-dioxane-2,5-dione (4) (referred as monohexyl-substituted lactide)…”
Section: -Hydroxyoctanoic Acid (2)mentioning
confidence: 99%
“…Yield: 45%. 1 3-6-Dihexyl-1,4-dioxane-2,5-dione (5) (dihexyl-substituted lactide) A mixture of 2 g 2-hydroxyoctanoic acid (12.5 mmol) and 0.24 g p-toluenesulfonic acid (1.25 mmol) in 200-mL toluene was heated at reflux for 24 h, and the forming water removed continuously by using a Dean-Stark apparatus. The toluene was distilled off and the resulting mixture was dissolved in 200-mL ethyl acetate:hexane mixture (1:2) and filtered over silica gel.…”
Section: -Hydroxyoctanoic Acid (2)mentioning
confidence: 99%
“…This is attributed to the lower chain entanglement of polymer molecules in the solution state as compared to the melt state. For instance, Penning et al [6] reported that solution spinning followed by hot drawing resulted in low crystallinity fibres having a tensile strength of 1 GPa, whereas fibres prepared from melt spinning followed by hot drawing had considerably lower strengths, ranging from 0.19 GPa for completely amorphous copolymers to 0.53 GPa for PLA homopolymer. Fambri et al [7] were able to obtain fibres with tensile strengths and moduli of 1.1 GPa and 10 GPa, respectively, using a Purac grade biomedical material having Mv = 660,000.…”
Section: Introductionmentioning
confidence: 99%