Notable electrical and mechanical properties of polyacrylamide (PAM) with graphene oxide (GO) and single-walled carbon nanotubes (SWCNTs)
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Seema Awasthi
Abstract
In the present investigation, a polyacrylamide (PAM) – graphene oxide (GO)-single-walled carbon nanotubes (SWNTs) composite has been prepared through a cost effective solution cast method and physical properties (electrical and mechanical) measurements have been carried out. The GO sheets contain oxygen functional groups which enhance the interfacial adhesion with the polymer matrix, while the SWNTs act as wires joining the GO together in the composite matrix. This interconnected network creates a conducting path, lowering film resistance and improving PAM films’ electrical, mechanical, and thermal properties. Raman study demonstrated that carbon nanofiller (SWNTs, GO) and polymer PAM have good interfacial bonding. The electrical conductivity and mechanical characteristics (hardness and elastic modulus) of these composite films were enhanced at a loading of 15 wt% GO and 15 wt% SWNTs in PAM matrix. Electrical conductivity of GO (15 wt%) – SWNTs (15 wt%)-PAM composite film was found to be 2.8 × 10−2 S/cm, which is five orders of magnitude higher than that of the PAM polymer. In comparison to pure PAM polymer, the elastic modulus and hardness are found to be 1.14 and 65 times higher, respectively.
Funding source: University Grants Commission (UGC) of New Delhi
Award Identifier / Grant number: F.4-2/2006(BSR)/13-769/2012(BSR)
Funding source: Council of Scientific and Industrial Research (CSIR)
Award Identifier / Grant number: R/Dev./Sch. (CSIR-SA)/SRF/S-02/3323
Funding source: Uttar Pradesh higher education department
Award Identifier / Grant number: 46/2021/603/70-4-2021-4(56)/2020; Date 30/03/2021
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: SA is grateful to the University Grants Commission (UGC) of New Delhi for financial support under the Dr. D S Kothari PDF fellowship (F.4-2/2006(BSR)/13-769/2012(BSR)) and the Council of Scientific and Industrial Research (CSIR) for financial support under the Senior Research Fellowship (award no. R/Dev./Sch. (CSIR-SA)/SRF/S-02/3323) and CSIR-Senior Research Associate. KA appreciates the financial support provided by the Uttar Pradesh higher education department under the research development scheme (Ref. No. 46/2021/603/70-4-2021-4(56)/2020; Date 30/03/2021).
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2023 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Experimental investigation and simulation of 3D printed sandwich structures with novel core topologies under bending loads
- Notable electrical and mechanical properties of polyacrylamide (PAM) with graphene oxide (GO) and single-walled carbon nanotubes (SWCNTs)
- Study on the thermal stability and combustion performance of polyurethane foams modified with manganese phytate
- Improving the rheology of linear low-density polyethylene (LLDPE) and processability of blown film extrusion using a new binary processing aid
- Stereocomplex formation of a poly(D-lactide)/poly(L-lactide) blend on a technical scale
- Experimental investigation on mechanical and tribological characteristics of snake grass/sisal fiber reinforced hybrid composites
- Tensile properties of sandwich-designed carbon fiber filled PLA prepared via multi-material additive layered manufacturing and post-annealing treatment
- Non-isothermal simulation of a corner vortex within entry flow for a viscoelastic fluid
- Feasibility assessment of injection molding online monitoring based on oil pressure/nozzle pressure/cavity pressure
- Modelling of roller conveyor for the simulation of rubber tire tread extrusion
- Reactive compatibilization of polypropylene grafted with maleic anhydride and styrene, prepared by a mechanochemical method, for a blend system of biodegradable poly(propylene carbonate)/polypropylene spunbond nonwoven slice
- Effect of stacking sequence and thickness variation on the thermo-mechanical properties of flax-kenaf laminated biocomposites and prediction of the optimal configuration using a decision-making framework
- Design and manufacture of an additive manufacturing printer based on 3D melt electrospinning writing of polymer
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Experimental investigation and simulation of 3D printed sandwich structures with novel core topologies under bending loads
- Notable electrical and mechanical properties of polyacrylamide (PAM) with graphene oxide (GO) and single-walled carbon nanotubes (SWCNTs)
- Study on the thermal stability and combustion performance of polyurethane foams modified with manganese phytate
- Improving the rheology of linear low-density polyethylene (LLDPE) and processability of blown film extrusion using a new binary processing aid
- Stereocomplex formation of a poly(D-lactide)/poly(L-lactide) blend on a technical scale
- Experimental investigation on mechanical and tribological characteristics of snake grass/sisal fiber reinforced hybrid composites
- Tensile properties of sandwich-designed carbon fiber filled PLA prepared via multi-material additive layered manufacturing and post-annealing treatment
- Non-isothermal simulation of a corner vortex within entry flow for a viscoelastic fluid
- Feasibility assessment of injection molding online monitoring based on oil pressure/nozzle pressure/cavity pressure
- Modelling of roller conveyor for the simulation of rubber tire tread extrusion
- Reactive compatibilization of polypropylene grafted with maleic anhydride and styrene, prepared by a mechanochemical method, for a blend system of biodegradable poly(propylene carbonate)/polypropylene spunbond nonwoven slice
- Effect of stacking sequence and thickness variation on the thermo-mechanical properties of flax-kenaf laminated biocomposites and prediction of the optimal configuration using a decision-making framework
- Design and manufacture of an additive manufacturing printer based on 3D melt electrospinning writing of polymer
