Mechanical and thermal studies of brilliant green dye doped poly(vinyl alcohol) polymer composite

Anandalli, Mallikarjun H.; Bhajantri, R. F.; Rathod, Sunil G.; Kanakaraj, T. M.; Chavan, Chetan; Chalawadi, Shivaprasad

doi:10.1063/1.5113061

Cited by 8 publications

(2 citation statements)

References 10 publications

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“…The DSC graph demonstrates that the T g temperature for pure PVA is around 90 • C [42]. This temperature seems sharper and extends the temperature range of 80-100 • C for 1% GO/PVA nanocomposite (Figure 13b).…”

Section: Dsc and Tga Analysismentioning

confidence: 69%

Investigating the Effect of Thermal Annealing and Changing the Concentration of GO in GO/PVA Nanocomposites on Their Structural, Electrical, and Optical Properties

Gahramanli,

Muradov,

Eyvazova

et al. 2023

ChemEngineering

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The present research involves producing graphene oxide (GO) using the Hummers method, generating a composite using GO and PVA, and analyzing these composites’ structural and optical characteristics. PVA and GO were used in varied percentages to deal with the issue of how the features of GO/PVA alter depending on concentration. The impact of thermal annealing on the structure and optical characteristics of GO/PVA materials at various concentrations were also investigated. UV-VIS was used to investigate the band gap value of GO/PVA composites. The band gap value changed due to an increase in the concentration of GO in the composites in the PVA and the impact of thermal annealing. The band gap value, specific resistance, and dielectric constant were all found to be well controlled by varying the thermal annealing temperature and the concentration of GO in this case. Differential Scanning Calorimetry (DSC) and thermogravimetric analysis (TGA) were performed on pure PVA and GO/PVA samples in various percentages of GO in order to examine the effect of temperature on the physical properties of (n = 1, 2, 3, 5, 20%) nGO%/PVA nanocomposites. Thermal stability increased as the fraction of GO in the PVA polymer matrix increased.

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Section: Dsc and Tga Analysismentioning

confidence: 69%

Investigating the Effect of Thermal Annealing and Changing the Concentration of GO in GO/PVA Nanocomposites on Their Structural, Electrical, and Optical Properties

Gahramanli,

Muradov,

Eyvazova

et al. 2023

ChemEngineering

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“…In these studies, dye-polymer and dye-solvent interactions were also compared. Although, articles about mechanical behaviours of dye doped polymer films are available [25,26], studies on thermo mechanical analyses of these films are limited [27].…”

Section: Introductionmentioning

confidence: 99%

Investigation of spectroscopic and thermo-mechanical behaviors of different phenanthroimidazole-azo dyes in solvent and polymer medium

Erbaş

Uregil

Gülle

et al. 2020

Mater. Res. Express

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The aim of this study is the investigation of the interaction between dyes and polymers which have different polarities. Dye doped polymer films have larger application areas because of the fact that dye is more stable when doped in polymer compared to solvent medium. However, dye dispersion in the polymer medium affects both the spectroscopic and mechanical properties of the polymer. The polymer-dye interaction must be high for a good dispersion,. In this study, polypropylene with apolar character and polymethylmethacrylate with polar groups were chosen as a solid phase to examine polymer-dye interactions. The photophysical properties of phenanthroimidazole-azo compounds synthesized previously were examined with UV-visible and fluorescence spectroscopy techniques in tetrahydrofuran and two polymer media. Also, photostability tests of azo dyes in THF and polymer films were performed. Surface roughness characterizations of polymer films were carried out with AFM. Additionally, the viscoelastic behaviors of the polymethylmethacrylate and polypropylene films under sinusoidal vibrations at different temperatures were studied by dynamic mechanical analysis technique.

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Nanocomposite of PVA/PVP blend incorporated by copper oxide nanoparticles via nanosecond laser ablation for antibacterial activity enhancement

et al. 2021

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Mechanical and thermal studies of brilliant green dye doped poly(vinyl alcohol) polymer composite

Cited by 8 publications

References 10 publications

Investigating the Effect of Thermal Annealing and Changing the Concentration of GO in GO/PVA Nanocomposites on Their Structural, Electrical, and Optical Properties

Investigating the Effect of Thermal Annealing and Changing the Concentration of GO in GO/PVA Nanocomposites on Their Structural, Electrical, and Optical Properties

Investigation of spectroscopic and thermo-mechanical behaviors of different phenanthroimidazole-azo dyes in solvent and polymer medium

Nanocomposite of PVA/PVP blend incorporated by copper oxide nanoparticles via nanosecond laser ablation for antibacterial activity enhancement

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