Reuse of black cumin biomass into beneficial additive for thermoplastic polyurethane-based green composites with silane modifiers

Sismanoglu, Sedef; Tayfun, Ümit; Gradinariu, Petronela; Popescu, Constantin; Kanbur, Yasin

doi:10.1007/s13399-022-03023-w

Cited by 6 publications

(4 citation statements)

References 71 publications

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“…The intensities of these peaks were found to be slightly increased after silane treatment. [ 35,36 ] Similarly, the intensity of the oxygen‐related peak centered at 1100 cm −1 declined for the Si‐QRZ sample. These observations showed that the silane treatment process caused significant chemical changes on the surfaces of both QZR and FLS additives by donating the silane layer on the mineral surface.…”

Section: Resultsmentioning

confidence: 96%

Contribution of surface silanization process on mechanical characteristics of TPU‐based composites involving feldspar and quartz minerals

Bouzmane

Tirkes

Yılmaz

et al. 2022

Vinyl Additive Technology

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In this study, quartz and feldspar powders were surface treated using a silane coupling agent to achieve a more compatible mineral surface with the polymer matrix. Details of surface characteristics of minerals were examined by energydissipative X-ray spectroscopy, contact angle measurements, and infrared spectroscopy. Thermoplastic polyurethane-TPU was compounded with minerals using the melt-blending technique. Mechanical, thermo-mechanical, meltflow, and morphological characterizations of TPU and relevant composites were performed by utilizing tensile and Shore hardness tests, dynamic mechanical analysis (DMA), melt flow index (MFI) measurements, and scanning electron microscopy (SEM), respectively. Water repellency of TPU and composites were also evaluated experimentally. Effects of surface treatments were discussed by comparing the results of composites filled with pristine and modified minerals. Results revealed that enrichment of quartz and feldspar surfaces confer mechanical and thermo-mechanical performance of composites. Mineral inclusions caused no drastic changes to the MFI parameter of TPU. The silane layer on the mineral surface displayed a barrier effect to water uptake of composites. Homogeneous dispersion and improved interfacial adhesion of mineral particles to the TPU phase were confirmed with help of SEM observations. Quartz exhibited slightly higher performance thanks to its silicarich composition. The findings of this research exhibited the considerable influence of the silane layer on the mineral surface on the mechanical performance of TPU-based composites.

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Section: Resultsmentioning

confidence: 96%

Contribution of surface silanization process on mechanical characteristics of TPU‐based composites involving feldspar and quartz minerals

Bouzmane

Tirkes

Yılmaz

et al. 2022

Vinyl Additive Technology

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“…The weight loss at between 200 and 450 C can be attributed to the degradation of cellulose, hemicellulose, and other volatile components. The weight loss above that temperature reflects the degradation of residual lignin (Choudhary et al 2020;Sismanoglu et al 2022;Deng et al 2022). When the thermal behavior graphs of the adsorption of dyestuffs with pure black cumin and pure black cumin in Figs.…”

Section: Tga Resultsmentioning

confidence: 99%

“…1. Chemical formulas of active pharmaceutical ingredients in black cumin thymol (a), thymoquinone (b), limonene (c), carvacrol (d), t-anethole benzene (e), 4-terpineol (f), α-pinene (g), longifolene (h), p-simen (i)(Sismanoglu et al 2022)…”

mentioning

confidence: 99%

Effective removal of cationic dyes from aqueous solutions by using black cumin (Nigella sativa) seed pulp and biochar

Sismanoglu

Akalın

et al. 2023

BioRes

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Black cumin seed pulp (C), as well as biochar (CC) produced via pyrolysis of black cumin seed pulp were used to remove methylene violet 2B (MV) and basic yellow 28 (BY28) from aqueous solution. Adsorption isotherms and kinetics were applied at 10, 25, and 35 °C. The adsorption of methylene violet 2B and basic yellow 28 on the black cumin seed pulp and biochar surface was exothermic; the heat of adsorption values were lower than 0. The adsorption capacities of BY28-C, BY28-CC, MV-C, and MV-CC were 212.8, 625, 164, and 909 mg g-1 at 25 °C, respectively. The adsorption of black cumin seed pulp and biochar data were examined with the Freundlich, Langmuir, Temkin, Dubinin-Radushkevich (D-R), and Flory-Huggins (F-H) isotherm models. The kinetics of the adsorption were fitted to the pseudo first-order and pseudo second order equations. The pseudo second order equation gave a better fit than the pseudo first-order equation.

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“…Different types of materials exhibit varying sensitivities to different types of microorganisms 170 . Gunning et al 171 and Sismanoglu et al 170 studied the influence of thermophilic bacteria and filamentous fungi on the degradation characteristics of composites, and compared with the pure matrix, the mechanical performance and mass loss of composites were more pronounced. In microbial degradation experiments, enzymes produced by microorganisms play a dominant role.…”

Section: Service Live Of Pfrcsmentioning

confidence: 99%

Plant fiber‐reinforced composites based on injection molding process: Manufacturing, service life, and remanufacturing

Zhao,

Liu,

Zhao

et al. 2024

Polymer Composites

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Resource depletion and environmental degradation have become important issues affecting the human development process. Plant fiber‐reinforced composites (PFRCs) are characterized by high natural availability, good mechanical properties, low density, recyclability, and eco‐friendliness. Expanding human applications of plant fibers is an important measure to combat resource and environmental problems. The injection molding process has the characteristics of strong product size adaptability, high molding precision, and high production efficiency. It is suitable for large‐scale production in the industry and is one of the main molding methods of PFRCs. Currently, there are still challenges and opportunities for high‐performance manufacturing of PFRCs based on the injection molding process. This article reviews the complete process of manufacturing‐service life‐remanufacturing of PFRCs based on the injection molding process. Emphasis is placed on the pretreatment technology and selection strategy of multi‐phase blended raw materials, the molding process conditions, functional applications, and simulation analysis, the aging and degradation characteristics during service, and the remanufacturing characteristics of the composites. Finally, the future research focus is summarized and prospected. The research in this paper will help promote the continuous progress of key technologies in the production process of PFRCs and help the industry to truly realize high‐performance green manufacturing in the future.Highlights Plant fibers exhibit variability in morphology and properties. The link between the structure and performance of PFRCs is unclear. The degradability and durability of PFRCs are contradictory. The functionality and mechanical properties of PFRCs are contradictory. PFRCs have good characteristics for remanufacturing.

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Reuse of black cumin biomass into beneficial additive for thermoplastic polyurethane-based green composites with silane modifiers

Cited by 6 publications

References 71 publications

Contribution of surface silanization process on mechanical characteristics of TPU‐based composites involving feldspar and quartz minerals

Contribution of surface silanization process on mechanical characteristics of TPU‐based composites involving feldspar and quartz minerals

Effective removal of cationic dyes from aqueous solutions by using black cumin (Nigella sativa) seed pulp and biochar

Plant fiber‐reinforced composites based on injection molding process: Manufacturing, service life, and remanufacturing

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