Influence of Cellulose on the Mechanical and Thermal Stability of ABS Plastic Composites

Crews, Kristy; Huntley, Chemar J.; Cooley, D.E.; Phillips, Beatrice; Curry, Michael L.

doi:10.1155/2016/9043086

Cited by 16 publications

(14 citation statements)

References 38 publications

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“…TG curves clearly show that modified polyaniline nanocellulose has a higher onset temperature than that of nanocellulose, indicating the modified polyaniline nanocellulose is thermally more stable. The comparable results were also obtained by Crews et al [53]. This result indicates the universality of PANI‐NCC in any environmental conditions.…”

Section: Resultssupporting

confidence: 90%

Synthetically modified nano‐cellulose for the removal of chromium: a green nanotech perspective

Jain

Varshney

Srivastava

2016

IET nanobiotechnol.

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Existing processes for the decontamination of heavy metals from water are found to be cost-prohibitive and energy-intensive which is totally against the sustainable concept of development. Green nanotechnology for water purification for ecosystem management, agricultural and industry is an emerging as leading global priority and occupies better position over the current state of water purification. Herein, the diafunctionalised polyaniline modified nanocellulose composite sorbent (PANI-NCC) has been used to introduce amine and imine functionalities for the removal of trivalent and hexavalent chromium from water bodies. The fabricated nanobiomaterial has been authenticated by modern spectroscopic, microscopic techniques. The modified PANI-NCC is rod-like in shape, ~60 nm in size. The roughness and crystallinity index is also quantified and found to be 49.67 nm and 84.18%, respectively. The optimised experimental finding provides the efficient removal of trivalent [Cr(III)] (47.06 mg/g; 94.12%) and hexavalent [Cr(VI)] (48.92 mg/g; 97.84%) chromium from synthetic waste water. The fabricated nano biosorbent is deemed to be a potent biosorbent for technological development to remove the toxic metals in the real environmental water samples.

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Section: Resultssupporting

confidence: 90%

Synthetically modified nano‐cellulose for the removal of chromium: a green nanotech perspective

Jain

Varshney

Srivastava

2016

IET nanobiotechnol.

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“…Even if nanofiller had more free-end chains, at this level of loading it was not a leading issue. This idea is supported by work of Crews et al [53] who related poor dispersion of filler in matrix with the lack of the hydrolysis being performed. The ionic liquid treatment of cellulose causes the disruption of some hydrogen bonds that are partially responsible for nonhomogenous structure of composites.…”

Section: Thermal Stability Of Compositesmentioning

confidence: 72%

Thermal and mechanical properties of chitosan nanocomposites with cellulose modified in ionic liquids

Grząbka-Zasadzińska

Amietszajew

Borysiak

2017

J Therm Anal Calorim

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In this paper, ionic liquid treatment was applied to produce nanometric cellulose particles of two polymorphic forms. A complex characterization of nanofillers including wide-angle X-ray scattering, Fourier transform infrared spectroscopy, and particle size determination was performed. The evaluated ionic liquid treatment was effective in terms of nanocrystalline cellulose production, leaving chemical and supermolecular structure of the materials intact. However, nanocrystalline cellulose II was found to be more prone to ionic liquid hydrolysis leading to formation larger amount of small particles. Each nanocrystalline cellulose was subsequently mixed with a solution of chitosan, so that composite films containing 1, 3, and 5% mass/mass of nanometric filler were obtained. Reference samples of chitosan and chitosan with micrometric celluloses were also solvent casted. Thermal, mechanical, and morphological properties of films were tested and correlated with properties of filler used. The results of both, tensile tests and thermogravimetric analysis showed a significant discrepancy between composites filled with nanocrystalline cellulose I and nanocrystalline cellulose II.

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“…[61] Regarding its suitability for thin-film device applications, standard uncoated paper presents some disadvantages, such as microscale surface roughness, opaqueness, high porosity with large pores, hygroscopicity, and poor dimensional stability upon changing the moisture level. [189] However, the physical properties of cellulose-based materials can be easily engineered to a high degree, allowing the construction of ideal substrates with i) flat surface, ii) excellent optical features, e.g., transmittance of up to 90% in the visible region and refractive index of 1.48, iii) good mechanical features, e.g., Young modulus varying up to 80 GPa, [189,190] iv) thermal properties, stability over 300 °C for dehydrated cellulose, [191] v) chemical stabilities , e.g., excellent inertness toward solvents, as well as numerous oxidation and reduction agents, and vi) enable an inexpensive and scalable production. In addition, it has recently been shown how to straightforward optimize the transparency and haze, i.e., ratio between diffuse and total light intensity of paper-like material with beneficial optical properties.…”

Section: Cellulose and Derivativesmentioning

confidence: 99%

Merging Biology and Photovoltaics: How Nature Helps Sun‐Catching

Cavinato

Fresta

Ferrara

et al. 2021

Advanced Energy Materials

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conditions. This makes difficult to further reduce the cost of electricity production. [7,8] Furthermore, although solar energy is a renewable source, it does not mean that any kind of photovoltaics (PV) is sustainable. For instance, silicon is an essential material in electronics and solar industries and, up to date, is irreplaceable. Despite its abundancy in Earth's crust, it is for the vast majority (80%) present as ferrosilicon, whose purification is expensive and highly pollutant. The production of 1 ton of silicon requires 6 tons of raw materials, almost 3 tons of Quartz, 1.5 tons of reducing agents, 1.5 tons of wood and 13 000 kWh of energy. [9,10] Therefore, in 2014 the EU commission included silicon metal in the critical raw material (CRM) list. [11] In this context, the third generation PV has reborn, offering cost-effective and efficient CRM-free devices with a lower reliance on the incident angle of light and integration in smart-end applications, like flexible and wearable devices, [12][13][14] fully transparent solar cells and windows, [15,16] and biocompatible devices. [17][18][19] The leading third generation SCs are organic solar cells (OSCs), [20][21][22] perovskite solar cells (PSCs), [23][24][25][26][27] and dye-sensitized solar cells (DSSCs). [28][29][30] Despite their versatile applications and high performances, sustainability still represents a major issue toward becoming an ideal energy technology in the mid-long term future. Among others, fullerene-based materials are toxic, [31] indium tin oxide (ITO) is brittle, chemically unstable, and expensive due to limited indium sources on Earth's crust. [32,33] Cobalt is also listed as CRM, [11] while cadmium, selenium, lead and ruthenium are toxic materials. [34,35] With regard to flexible devices, polyethylene terephthalate (PET) is the standard substrate; though its environmental footprint is critical and its nonbiodegradable properties lead to harmful effects in living organisms. [36] This has fueled a strong cooperation among the fields of engineering, biology, chemistry, and physics to discover new strategies for cost-effectiveness preparation and implementation of bio-derived materials in highly performing PVs.In general, this cooperation constitutes a part of the emerging and multidisciplinary field of biophotonics, [37] which involves biomedical optics, [38] living light, [39][40][41] biomimetic, biomaterials and bioengineered compounds, as well as fabrication/implementation methods applied to optoelectronics [42] and photonics, [43] among others. For instance, artificial lightning and biology have been recently merged with the implementation of cellulose, chitosan, silk, and fluorescent proteins as Accomplishing sustainability in optoelectronics, in general, and photovoltaics (PV), in particular, represents a crucial milestone in green photonics. Third generation PV technologies, such as organic solar cells (OSCs), perovskite solar cells (PSCs), and dye-sensitized solar cells (DSSCs) have reached a mature age and are slowly making thei...

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Influence of Cellulose on the Mechanical and Thermal Stability of ABS Plastic Composites

Cited by 16 publications

References 38 publications

Synthetically modified nano‐cellulose for the removal of chromium: a green nanotech perspective

Synthetically modified nano‐cellulose for the removal of chromium: a green nanotech perspective

Thermal and mechanical properties of chitosan nanocomposites with cellulose modified in ionic liquids

Merging Biology and Photovoltaics: How Nature Helps Sun‐Catching

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