Polymer grafted carbon nanotubes—Synthesis, properties, and applications: A review

Basheer, Bashida V.; George, Jinu Jacob; Siengchin, Suchart

doi:10.1016/j.nanoso.2020.100429

Cited by 147 publications

(83 citation statements)

References 274 publications

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“…Microbial growth can be influenced by acidity and high sugar contents 19 . Nano-materials, due to their chemical and physical characterizes, have been used for developing some novel antimicrobial and antiviral agents 28 – 30 . These results reported that chitosan/nano-silicon dioxide and nisin 1% coating treatment was the most efficient in the reduction of yeast and mold, aerobic plate microorganisms in white button mushrooms.…”

Section: Discussionmentioning

confidence: 99%

Enhancement in physicochemical parameters and microbial populations of mushrooms as influenced by nano-coating treatments

Sami

Al-Mushhin

Alharbi

et al. 2021

Sci Rep

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White button mushrooms are greatly high perishable and can deteriorate within a few days after harvesting due to physicomechanical damage, respiration, microbial growth of the delicate epidermal structure. For that reason, the present research work was applied to evaluate the effect of chitosan combination with nano-coating treatments on physicochemical parameters and microbial populations on button mushrooms at chilling storage. Nano coating with the addition of nisin 1% (CHSSN/M) established the minimum value for weight loss 12.18%, maintained firmness 11.55 N, and color index profile. Moreover, O2% rate of (CHSSN/M) mushrooms was the lowest at 1.78%; while the highest rate was reported for CO2 24.88% compared to the untreated samples (Control/M) on day 12. Both pH and total soluble solid concentrations increased during storage. Results reported that the (CHSS/M) mushroom significantly (P < 0.05) reduced polyphenol oxidase activity (24.31 U mg−1 Protein) compared with (Control/M) mushrooms that increased faster than the treated samples. (CHSSN/M) treatment was the most efficient in the reduction of yeast and mold, aerobic plate microorganisms (5.27–5.10 log CFU/g), respectively. The results established that nano-coating film might delay the aging degree and accompany by marked prolongation of postharvest mushroom freshness.

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Section: Discussionmentioning

confidence: 99%

Enhancement in physicochemical parameters and microbial populations of mushrooms as influenced by nano-coating treatments

Sami

Al-Mushhin

Alharbi

et al. 2021

Sci Rep

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“…Nevertheless, the surface chemistry of GO and its compatibility with such elastomers can be easily improved by thermal or chemical reduction processes or via functionalization/grafting methods. [41] According to the literature, the latex mixing method and also in-situ chemical reduction of GO particles in such systems can bring about composites with an appropriate state of dispersion for GO and rGOs, but with different interfacial properties between rubber and particles. [29,42] In this work, we extend the proposed vulcanization kinetics mechanism to the case of rubber composites filled with graphenic particles for the first time.…”

Section: Introductionmentioning

confidence: 99%

Vulcanization kinetics of styrene butadiene rubber reinforced by graphenic particles

et al. 2021

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The present study discusses the effects of graphenic particles on the kinetics of sulfur vulcanization in styrene butadiene rubber composites. Using data obtained from a cure rheometer and fitted by an autocatalytic model, it was verified that graphenic particles follow our recently established catalyticnetworking model for the effect of particles on the sulfur vulcanization of rubber, regardless of the type of particles. The magnitude of the catalytic and networking effects depends on surface chemistry and interfacial interactions of particles with rubber that can be tailored by the chemical reduction of graphene oxide. Accordingly, the reduction process decreased the catalytic effect due to the elimination of surface functional groups and increased the networking effect due to the enhancement of filler-rubber interactions and immobilization of rubber. The latter was verified by differential scanning calorimetry and bound rubber measurements.

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“…Several advantages resulting from the properties of polymeric materials, such as high chemical and thermal resistance, high mechanical strength, barrier properties [ 1 , 2 , 3 , 4 , 5 ] with the simultaneous ease of processing and forming and a lightness of the products has led to the increasing use of plastics and rubber. As the environmental problems associated with the use of non-renewable polymers sources have not been eliminated, many scientists have focused on alternative solutions that can provide materials with similar properties, but of natural origin [ 6 , 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

Common Nettle (Urtica dioica L.) as an Active Filler of Natural Rubber Biocomposites

2021

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Common nettle (Urtíca Dióica L.), as a natural fibrous filler, may be part of the global trend of producing biocomposites with the addition of substances of plant origin. The aim of the work was to investigate and explain the effectiveness of common nettle as a source of active functional compounds for the modification of elastomer composites based on natural rubber. The conducted studies constitute a scientific novelty in the field of polymer technology, as there is no research on the physico-chemical characteristics of nettle bio-components and vulcanizates filled with them. Separation and mechanical modification of seeds, leaves, branches and roots of dried nettle were carried out. Characterization of the ground plant particles was performed using goniometric measurements (contact angle), Fourier transmission infrared spectroscopy (FTIR), themogravimetric analysis (TGA) and scanning electron microscopy (SEM). The obtained natural rubber composites with different bio-filler content were also tested in terms of rheological, static and dynamic mechanical properties, cross-linking density, color change and resistance to simulated aging processes. Composites with the addition of a filler obtained from nettle roots and stems showed the highest mechanical strength. For the sample containing leaves and branches, an increase in resistance to simulated ultraviolet and thermo-oxidative aging processes was observed. This phenomenon can be attributed to the activity of ingredients with high antioxidant potential contained in the plant.

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Polymer grafted carbon nanotubes—Synthesis, properties, and applications: A review

Cited by 147 publications

References 274 publications

Enhancement in physicochemical parameters and microbial populations of mushrooms as influenced by nano-coating treatments

Enhancement in physicochemical parameters and microbial populations of mushrooms as influenced by nano-coating treatments

Vulcanization kinetics of styrene butadiene rubber reinforced by graphenic particles

Common Nettle (Urtica dioica L.) as an Active Filler of Natural Rubber Biocomposites

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