caa a22 4500 463225139 CHVBK 20180405153224.0 cr unu---uuuuu 170326e20070601xx s 000 0 eng 10.1007/s10853-007-1797-1 doi (NATIONALLICENCE)springer-10.1007/s10853-007-1797-1 Improvement of mechanical properties of Poly ( l -lactic acid) by blending of lysine triisocyanate [Elektronische Daten] [Mitsugu Todo, Tetsuo Takayama] LTI was attempted to modify the microstructure of poly (l-lactic acid) (PLLA) and to improve its mechanical properties in this study. Bending modulus, strength and fracture toughness of PLLA/LTI were evaluated, and compared to those of the base PLLA to assess the effectiveness of LTI blending. Effect of LTI addition on fracture micromechanism was also investigated by observing and comparing the fracture surfaces of PLLA/LTI and PLLA using a field emission scanning electron microscope (FE-SEM). Experimental results showed that the bending properties such as the bending modulus and the strength are effectively improved due to polymerization of PLLA molecules by LTI blending. The fracture toughness value was also improved due to increase of ductile deformation, i.e., energy dissipation in the crack-tip region. Springer Science+Business Media, LLC, 2007 Todo Mitsugu Research Institute for Applied Mechanics, Kyushu University, 6-1 Kasuga-koen, 816-8580, Kasuga, Fukuoka, Japan aut Takayama Tetsuo Interdisciplinary Graduate School of Engineering Science, Kyushu University, 816-8580, Kasuga, Fukuoka, Japan aut Journal of Materials Science Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 42/12(2007-06-01), 4712-4715 0022-2461 42:12<4712 2007 42 10853 https://doi.org/10.1007/s10853-007-1797-1 text/html Onlinezugriff via DOI 1 review-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10853-007-1797-1 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Todo Mitsugu Research Institute for Applied Mechanics, Kyushu University, 6-1 Kasuga-koen, 816-8580, Kasuga, Fukuoka, Japan aut NATIONALLICENCE 700 1- Takayama Tetsuo Interdisciplinary Graduate School of Engineering Science, Kyushu University, 816-8580, Kasuga, Fukuoka, Japan aut NATIONALLICENCE 773 0- Journal of Materials Science Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 42/12(2007-06-01), 4712-4715 0022-2461 42:12<4712 2007 42 10853 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer