作者
Annamaria Visco, Davide Nocita, Alberto Giamporcaro, Sara Ronca, Giuseppe Forte, Alessandro Pistone, Claudia Espro
发表日期
2017/4/1
期刊
Journal of the mechanical behavior of biomedical materials
卷号
68
页码范围
308-317
出版商
Elsevier
简介
We report in this paper the effects of Ethyl Ester L-Lysine Triisocyanate (LTI) on the physical-mechanical properties of Poly(lactide)/Poly(ε-caprolactone) (PLA/PCL) polyesters blends. The PLA/PCL ratios considered were 20/80, 50/50 and 80/20 (wt/wt %) and LTI was added in amounts of 0.0–0.5-1.0 phr. PLA and PCL reacted with LTI during processing in a Brabender twin screw internal mixer to produce block copolymers in-situ. The resulting blends have been characterized by torque measurements, uniaxial tensile tests, Differential Scanning Calorimeter, contact angle measurements with a Phosphate Buffered Saline (PBS) solution, ATR analysis and morphological SEM observations. Experimental results highlighted how LTI enhanced interaction and dispersion of the two components, resulting into a synergic effect in mechanical properties. Mechanical and physical properties can be tailored by changing the …
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A Visco, D Nocita, A Giamporcaro, S Ronca, G Forte… - Journal of the mechanical behavior of biomedical …, 2017