Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13642
Title: Mechanical properties and morphology of Poly(l-Lactic acid)/Nano-CaCO3 composites
Authors: Liang, JZ
Duan, DR
Tang, CY 
Tsui, CP 
Chen, DZ
Zhang, SD
Keywords: Biopolymer
Mechanical properties
Particle-reinforcement
Polymer-matrix composites
Issue Date: 2015
Publisher: Springer New York LLC
Source: Journal of polymers and the environment, 2015, v. 23, no. 1, p. 21-29 How to cite?
Journal: Journal of Polymers and the Environment 
Abstract: The tensile and impact properties of poly(l-lactic acid) composites filled with nanometer calcium carbonate (nano-CaCO3) were measured at room temperature. The results showed that the tensile elastic modulus increased roughly linearly while the tensile yield strength, tensile fracture strength and tensile elongation at break (δb) decreased nonlinearly with increasing the nano-CaCO3 weight fraction (Wf); when Wf was constant, the δb increased with increasing tensile rates. Both the V-notched Izod impact strength and V-notched Charpy impact strength showed the non-linear increase with increasing Wf. The impact fracture surface was observed by means of a scanning electronic microscope to understand the toughening mechanisms.
URI: http://hdl.handle.net/10397/13642
ISSN: 1566-2543
DOI: 10.1007/s10924-014-0661-z
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