A green-nanocomposite film based on poly(vinyl alcohol)/ <i>Eleusine coracana</i>: structural, thermal, and morphological properties

Manikandan, Maidhily; Yelilarasi, A.; Senthamaraikannan, P.; Saravanakumar, S. S.; Khan, Anish

doi:10.1080/1023666x.2019.1567087

Cited by 22 publications

(4 citation statements)

References 28 publications

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“…A similar result was reported by Nikov et al (2020) in their work on the microstructural characterization of laser-ablated nanocomposites in a magnetic field. The physicochemical and microstructural properties of a polyvinyl alcohol mixed with a clay nanoparticle also did not reveal any obvious aggregation in the film matrix (Manikandan et al 2019), nor did the film under study. The images at 10 nm and 50 nm show a group of nanoparticles that congregate, and the location becomes darker.…”

Section: Discussionmentioning

confidence: 91%

“…There are, however, a few parts showing white spots because of the lack of particles around them. The (2022) 46:190 dark spots may be caused by the presence of small particles, which have a high surface area, causing a high propensity for adhesion of the particles around the region (Manikandan et al 2019). An appropriate view of defects causing particle size change may be seen at 50 nm.…”

Section: Discussionmentioning

confidence: 99%

“…The heat energy liberated during thermal heating of the film suggests 4.64 J of the heat energy needed to degrade only 1 g of the film sample within the glass transition or threshold temperature. The thermal stability of a green film based on the blend of poly (vinyl alcohol) and Eleusine coracana composite film (Manikandan et al 2019), and blend of natural rubber and nano cellular whisker composite film (Thomas et al 2021) are related studies that reported low weight degradation found below the glass transition temperature. Beyond the this, the film may not be suitable for packaging since a larger percentage of its weight was degraded and lost to excessive heating.…”

Section: Discussionmentioning

confidence: 99%

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Synthesis, characterization, and suitability of cocoyam starch-banana peels nanocomposite film for locust beans packaging

Fadeyibi

Alabi

Fadeyibi³

et al. 2022

Bull Natl Res Cent

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Background Packaging of locust beans is done to prevent deterioration and promote its shelf-life. This research was carried out to develop and evaluate a cocoyam starch-banana peels nanocomposite film for locust beans packaging. The film was prepared by gelatinizing a mixture of 0.36 g banana peels nanoparticles (~ 1.14–1.64 nm), 18 g cocoyam starch, and 18 ml glycerol in 300 ml distilled water at 90 °C. The thermal, structural, mechanical and barrier properties of the film were determined using standard procedures. A 100 g of the locust beans condiment was packaged using the film and compared with packaging in a low-density polyethylene (LDPE) at 5.16–7.58 pH and 16.67–11.50% moisture ranges. Results Results indicate approx. 3% weight loss with an increase in temperature (≤ 250 °C). The heat of decomposition in the process was 4.64 J/g, which depended on the transition temperature. Also, the film has high stiffness and creep along the line of topography in the atomic force imaging. The material permeates more to CO2 (27%) and H2 (67%) but has a low O2 (4%) and N2 (1%) gas permeabilities. The size of particles in the film was in the range of 3.52–3.92 nm, which is distributed across its matrix to create the pores needed to balance the gases in the micro-atmosphere. The microbial load of the locust beans decreased with pH and increased with moisture, but this was generally lower compared to those packaged in the LDPE at p < 0.05. Conclusions The film was a better packaging material than the LDPE since it recorded lower counts of the microbes throughout the storage. Thus, the nanocomposite film was effective in controlling the microbial growth of the locust beans irrespective of the sample moisture and pH over the 30 days packaging duration.

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Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Synthesis, characterization, and suitability of cocoyam starch-banana peels nanocomposite film for locust beans packaging

Fadeyibi

Alabi

Fadeyibi³

et al. 2022

Bull Natl Res Cent

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“…The Broido's kinetics equation was used to determine the Kinetic activation energy through [13] [31],…”

Section: Kinetic Activation Energymentioning

confidence: 99%

Synthesis of Silver Nanoparticles Through Orange Peel Powder for Antibacterial Composite Filler Applications

Rathinavel¹,

Saravanakumar²

2021

J Polym Environ

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Environmental concerns and the positive aspects of biowaste materials gained the attention of researchers to use them as filler materials in fabricating of green composites along with polymer matrices, but most of them are not suitable for extensive applications in high thermal applications. In most of the natural particulate materials are not having the ability to fight against pathogens. To overcome such barriers, a modification of biowaste -Orange Peel Powder (OPP) by the generation of silver nanoparticles (AgNPs) is prepared with the one-step hydrothermal process. The modified Orange Peel Powder (MOPP), is then characterized by FESEM, EDX, FT-IR, XRD, and Thermal analyses. The presence of AgNPs in the MOPP is confirmed through FESEM & EDX analysis. FT-IR spectral analysis pronounced the non mutate functional groups in MOPP as compared with OPP. The generation of AgNPs in MOPP is confirmed through the XRD peaks of reflection planes atThermal Analysis results of TGA and DSC show the MOPP has increased thermal stability up to 363°C.Antibacterial test against Gram-negative and Gram-positive bacteria for OPP & MOPP shows the inclusion of Ag strongly objects the pathogens. Eventually, the MOPP can be utilized as filler material along with the polymer matrix in high thermal as well as antibacterial composite filler applications.

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Mechanical and physicochemical properties of green bio-films from poly(Vinyl Alcohol)/ nano rice hull fillers

Babu¹,

Saravanakumar²

2021

Polym. Bull.

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A green-nanocomposite film based on poly(vinyl alcohol)/ Eleusine coracana: structural, thermal, and morphological properties

Cited by 22 publications

References 28 publications

Synthesis, characterization, and suitability of cocoyam starch-banana peels nanocomposite film for locust beans packaging

Synthesis, characterization, and suitability of cocoyam starch-banana peels nanocomposite film for locust beans packaging

Synthesis of Silver Nanoparticles Through Orange Peel Powder for Antibacterial Composite Filler Applications

Mechanical and physicochemical properties of green bio-films from poly(Vinyl Alcohol)/ nano rice hull fillers

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