Graphene oxide as a compatibilizer for polyvinyl chloride/rice straw composites
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Mohammad Ali Bagherinia
und
Masoud Giahi
Abstract
In this study, polyvinyl chloride (PVC)/rice straw (RS)/graphene oxide (GO) sustainable nanocomposite was prepared using the direct compounding method. Structural, morphological and mechanical properties of fabricated sustainable nanocomposites were compared with unfilled and RS-filled PVC compounds. Mechanical characteristics of PVC decreased with loading RS fibers. The main reason for the mechanical failure of PVC/RS composite is the incompatibility between PVC and RS fibers. GO nanosheets are used here to improve the compatibility between RS fibers and PVC macromolecules. Compared to the neat PVC, maximum strength of the RS/GO-loaded PVC composite increased up to 31%, with incorporating only 1 wt% of GO nanosheets. This enhancement in the mechanical characteristics of PVC/RS/GO nanocomposite can only be due to the role of GO nanosheets as a compatibilizer, as 1 wt% GO loading can only increase the mechanical strength of PVC compounds up to 9%. Fourier transform infrared spectroscopy results are used here to study the nature of these behaviors. It is suggested that the non-covalent and physical interactions between cellulose/hemicellulose portions of RS fibers and GO functional groups result in the enhancement of mechanical characteristics. Consequently, GO can be considered as a new compatibilizer for fabricating high performance PVC-based sustainable nanocomposites.
Acknowledgments
The authors would like to thank the “Research Council of Lahijan Branch – Islamic Azad University” for the financial support of this work.
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©2017 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original articles
- Stem cell culture on polyvinyl alcohol hydrogels having different elasticity and immobilized with ECM-derived oligopeptides
- Graphene oxide as a compatibilizer for polyvinyl chloride/rice straw composites
- Effect of hybrid-SiO2 particles on characterization of EPDM and silicone rubber composites for outdoor high-voltage insulations
- Properties of POB reinforced PTFE-based friction material for ultrasonic motors
- Fabrication, characterization, and application of polyester/wood flour composites
- Anisotropic mechanical properties of fused deposition modeled parts fabricated by using acrylonitrile butadiene styrene polymer
- Development of partial miscibility in polycarbonate/polypropylene blends via annealing
- Study on low temperature toughness and crystallization behavior of polypropylene random copolymer
- Steady flow and heat transfer analysis of MHD flow of Phan-Thien-Tanner fluid in double-layer optical fiber coating analysis with slip conditions
Artikel in diesem Heft
- Frontmatter
- Original articles
- Stem cell culture on polyvinyl alcohol hydrogels having different elasticity and immobilized with ECM-derived oligopeptides
- Graphene oxide as a compatibilizer for polyvinyl chloride/rice straw composites
- Effect of hybrid-SiO2 particles on characterization of EPDM and silicone rubber composites for outdoor high-voltage insulations
- Properties of POB reinforced PTFE-based friction material for ultrasonic motors
- Fabrication, characterization, and application of polyester/wood flour composites
- Anisotropic mechanical properties of fused deposition modeled parts fabricated by using acrylonitrile butadiene styrene polymer
- Development of partial miscibility in polycarbonate/polypropylene blends via annealing
- Study on low temperature toughness and crystallization behavior of polypropylene random copolymer
- Steady flow and heat transfer analysis of MHD flow of Phan-Thien-Tanner fluid in double-layer optical fiber coating analysis with slip conditions
