Preparation and characterization of carbon fiber/polylactic acid/thermoplastic polyurethane (CF/PLA/TPU) composites prepared by a vane mixer
-
Xiaochun Yin
,
Zhitao Yang
,
Yanhong Feng
Abstract
Various quantities of carbon fibers (CFs) (from 5% to 20% in weight) were added to matrix by melt blending to produce polylactic acid (PLA)/thermoplastic polyurethane (TPU)/CF composites. Differential scanning calorimetry measurements revealed that the CF content and mixing time had little influence on the crystallization and melting behavior of PLA. Thermogravimetric analysis showed that the introduction of CFs tended to decrease the thermal stability of PLA/TPU/CF composites, and the increase of mixing time tended to increase the thermal stability of PLA/TPU/CF composites when the mixing time is <5 min. Rheological results showed that all the samples exhibited non-Newtonian and shear thinning characteristics. The storage modulus and complex viscosity both increased with the increase of the CF content. It also showed that the increase of mixing time tended to increase the storage modulus and complex viscosity of PLA/TPU/CF composites when the mixing time is <5 min. Scanning electron microscopy images showed that the TPU/PLA blends contain a continuous PLA phase with evenly distributed TPU particles in the size range of 0.25–3 μm, and the blends are immiscible at the micron scale. Mechanical properties showed that the addition of proper CF content could lead to an obvious increase (about 11.43%) in tensile strength.
Acknowledgments
This study was supported by the Natural Science Foundation of China (grant no. 51403068) and was a project of Cooperation of Enterprises, Universities and Research Institute in Guangdong (2013B090600066). The fundamental research funds for the central universities of China, 2015ZZ067 and 2015ZZ132, are also gratefully acknowledged.
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©2017 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original articles
- A method to improve dimensional accuracy and mechanical properties of injection molded polypropylene parts
- Effect of banana fibers and plasticizer on melt processing of poly(vinyl alcohol)
- Improved thermal and mechanical properties of carbon fiber filled polyamide 46 composites
- Preparation and characterization of carbon fiber/polylactic acid/thermoplastic polyurethane (CF/PLA/TPU) composites prepared by a vane mixer
- Influence of micron size aluminum particles on the aging properties and wear resistance of epoxy resin coatings
- The effect of casting solution composition on surface structure and performance of poly(vinylidene fluoride)/multi-walled carbon nanotubes (PVDF/MWCNTs) hybrid membranes prepared via vapor induced phase separation
- Mechanical and thermal properties of PLA/halloysite bio-nanocomposite films: effect of halloysite nanoclay concentration and addition of glycerol
- Preparation and characterization of core-shell oil absorption materials stabilized by modified fumed silica
- Investigating the in-plane mechanical behavior of single-ply quasi-unidirectional glass fiber/polypropylene composites
- Characterization of layer built-up and inter-layer boundaries in rotational molding of multi-material parts in dependency of the filling strategy
- Experimental and numerical determination of compressive mechanical properties of multi-walled carbon nanotube reinforced polymer
Articles in the same Issue
- Frontmatter
- Original articles
- A method to improve dimensional accuracy and mechanical properties of injection molded polypropylene parts
- Effect of banana fibers and plasticizer on melt processing of poly(vinyl alcohol)
- Improved thermal and mechanical properties of carbon fiber filled polyamide 46 composites
- Preparation and characterization of carbon fiber/polylactic acid/thermoplastic polyurethane (CF/PLA/TPU) composites prepared by a vane mixer
- Influence of micron size aluminum particles on the aging properties and wear resistance of epoxy resin coatings
- The effect of casting solution composition on surface structure and performance of poly(vinylidene fluoride)/multi-walled carbon nanotubes (PVDF/MWCNTs) hybrid membranes prepared via vapor induced phase separation
- Mechanical and thermal properties of PLA/halloysite bio-nanocomposite films: effect of halloysite nanoclay concentration and addition of glycerol
- Preparation and characterization of core-shell oil absorption materials stabilized by modified fumed silica
- Investigating the in-plane mechanical behavior of single-ply quasi-unidirectional glass fiber/polypropylene composites
- Characterization of layer built-up and inter-layer boundaries in rotational molding of multi-material parts in dependency of the filling strategy
- Experimental and numerical determination of compressive mechanical properties of multi-walled carbon nanotube reinforced polymer
