Effective use of olive pulp as biomass additive for eco-grade TPU-based composites using functional surface modifiers

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

doi:10.1007/s13399-021-01987-9

Cited by 6 publications

(4 citation statements)

References 60 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 À1 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: Surface Characteristics Of Mineralsmentioning

confidence: 93%

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: Surface Characteristics Of Mineralsmentioning

confidence: 93%

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 silanization process was performed as the previous studies using (2,29,30). The concentration of the silaning solution is 2% by weight.…”

Section: Surface Modification Of Bentonitementioning

confidence: 99%

“…Pristine TPU and TPU/BE samples were mixed with twinscrew micro-extruder (MC 15HT, Xplore Instruments, Sittard, Holland) and shaped in the injection molding device (Microinjector, Daca Instruments, Santa Barbara, CA, USA) as a previous studies procedure (2,29,30). Ratio of filler (BE) were the constant (30%) all of the samples.…”

Section: Preparation Of Compositesmentioning

confidence: 99%

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UV and UV+ Water Effects on Mechanical, Thermal and Morphological Properties of Thermoplastic Polyurethane Based Composites

Sismanoglu

2023

Hittite Journal of Science and Engineering

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The degradation times of composite materials containing petroleum-based polymer matrix are quite long in nature and it causes environmental pollution. Researchers focus on producing alternative composite materials with organic and/or inorganic fillers to reduce degradation times in nature. In addition, the mechanical and chemical properties of polymer matrix composites are affected by heat, light, moisture and surface compatibility between matrix and filler. In the light of this information, many researchers examine the mechanical, thermal, morphological and similar properties of organic and/or inorganic filler composites by using artificial aging processes using one or more of the water, UV and temperature parameters. In this study, bentonite with surface modification by epoxysilane agent, and bentonite without any surface modification will be added to the thermoplastic polyurethane (TPU) polymer matrix, which has two different segments, and will be mixed in a twin screw extruder and it will then be shaped by the injection molding process. Artificial aging processes of the obtained composites will be done under UV and UV+water for 2 and 4 weeks, respectively. The reason for choosing UV and UV+water processes is that UV and water processes have not been applied together at the same time and there is not much knowledge in the literature on this subject. Mechanical, thermal and morphological properties of composites were investigated.

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

Sismanoglu

Tayfun²,

Gradinariu³

et al. 2022

Biomass Conv. Bioref.

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Effective use of olive pulp as biomass additive for eco-grade TPU-based composites using functional surface modifiers

Cited by 6 publications

References 60 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

UV and UV+ Water Effects on Mechanical, Thermal and Morphological Properties of Thermoplastic Polyurethane Based Composites

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

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