NR/SBR composites reinforced with organically functionalized MWCNTs: simultaneous improvement of tensile strength and elongation and enhanced thermal stability
-
Minghua Li
,
Weixiao Tu
Abstract
Butyl acrylate-α-methyl methacrylate-glycidyl methacrylate (BA-MMA-GMA) terpolymer was successfully grafted onto carbon nanotubes (CNTs) via a facile grafting functionalization approach, affording an organically functionalized multiwalled CNTs (O-MWCNTs), which show improved mechanical and thermal properties in natural rubber/styrene-butadiene rubber (NR/SBR) composites. Under optimized conditions, the result of elongation at break of NR/SBR composites combined with 1.5 parts per hundred rubber (phr) O-MWCNTs is 450% compared to 376% of pristine NR/SBR composites, which is proportional to tensile strength due to the mixed O-MWCNTs in the rubber matrix. Transmission electron microscopy study shows that O-MWCNTs (1.5 phr) can disperse uniformly in NR/SBR/O-MWCNT composites. A scanning electron microscopy study on the fractured surface morphology of the optimized composites reveals that a BA-MMA-GMA terpolymer can interact with the rubber matrix strongly. The decreased height of the maximum tanδ peak shows that O-MWCNTs can reduce the heat buildup and damping capability of NR/SBR/O-MWCNT composites. The largest enhancement observed in the thermal degradation curves of composites is, for the first time, about 70°C, which can be attributed to enhanced interfacial interaction between MWCNTs and the rubber matrix.
Acknowledgments
We thank the Natural Science Foundation of Anhui Provincial (No. 1408085QE81) and the College Students’ Innovation and Entrepreneurship Training Program of China (nos. 201311059017, 201311059018, and 201311059026).
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©2016 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Original articles
- Levofloxacin loaded gelrite-cellulose polymer based sustained ocular drug delivery: formulation, optimization and biological study
- Tailoring the in vitro characteristics of poly(vinyl alcohol)-nanohydroxyapatite composite scaffolds for bone tissue engineering
- Effect of nonthermal plasma treatment on the surface of dental resins immersed in artificial saliva
- Spray dried hydroxyapatite-polyvinyl alcohol biocomposites
- Study on the thermal stability and ablation properties of metallic oxide-filled silicone rubber composites using uniform design method
- NR/SBR composites reinforced with organically functionalized MWCNTs: simultaneous improvement of tensile strength and elongation and enhanced thermal stability
- The control and optimization of the curing process of epoxy coatings: a case of poly(glycidoxy siloxane) resins
- Effect of γ irradiation on the impact response of rigid polyurethane foam
- Effects of fiber surface modification on the friction coefficient of luffa fiber/polyester composites under dry sliding condition
- Effect of surface modification on the compressive properties of silica fume/polyurethane composites
- Weldability of pipe grade polyethylenes as realized from thermal and mechanical properties assessments
- Analysis on vibration characteristics of screw in filling process of dynamic injection molding machine
Artikel in diesem Heft
- Frontmatter
- Original articles
- Levofloxacin loaded gelrite-cellulose polymer based sustained ocular drug delivery: formulation, optimization and biological study
- Tailoring the in vitro characteristics of poly(vinyl alcohol)-nanohydroxyapatite composite scaffolds for bone tissue engineering
- Effect of nonthermal plasma treatment on the surface of dental resins immersed in artificial saliva
- Spray dried hydroxyapatite-polyvinyl alcohol biocomposites
- Study on the thermal stability and ablation properties of metallic oxide-filled silicone rubber composites using uniform design method
- NR/SBR composites reinforced with organically functionalized MWCNTs: simultaneous improvement of tensile strength and elongation and enhanced thermal stability
- The control and optimization of the curing process of epoxy coatings: a case of poly(glycidoxy siloxane) resins
- Effect of γ irradiation on the impact response of rigid polyurethane foam
- Effects of fiber surface modification on the friction coefficient of luffa fiber/polyester composites under dry sliding condition
- Effect of surface modification on the compressive properties of silica fume/polyurethane composites
- Weldability of pipe grade polyethylenes as realized from thermal and mechanical properties assessments
- Analysis on vibration characteristics of screw in filling process of dynamic injection molding machine
