Experimental characterization of thermal, mechanical, physical and morphological performance of thermoplastic polyurethane composites containing acidic pumice

Ahmet Bulut; Ümit Tayfun; Mehmet Yurderi

doi:10.51354/mjen.1543960

EN

Experimental characterization of thermal, mechanical, physical and morphological performance of thermoplastic polyurethane composites containing acidic pumice

Abstract

Pumice powder, with its porous structure and low density, is a metal support material in water purification, catalysis manufacturing, and light construction materials. Acidic pumice has a significant proportion of silica. In this study, it was aimed to increase the mechanical and physical performances, as well as the reduction in the specific gravity and cost values, with the addition of acidic pumice to the thermoplastic polyurethane (TPU) polymer, which is used in various sectors such as textile, logistics, construction, and medical applications. Acidic pumice powder was blended with TPU at 2.5, 5.0, 7.5, and 10.0 weight percentages via the melt blending technique for this aim. In addition to mechanical testing such as tensile and hardness, thermal gravimetric analysis, melt flow rate, and electron microscopy (SEM) characterization methods were used on injection-molded composite samples. The structure of the pumice powder was studied using SEM/energy diffraction X-rays. Results revealed that the inclusion of pumice reduces the tensile strength and percent elongation values of TPU, but the composite sample with 2.5% pumice produced virtually equal values to the reference polymer. The hardness of the pumice increased with the loading rate. The low percentage of pumice reinforcement improved TPU's thermal stability. The melt flow rate produced varying results at different pumice ratios. As the morphological qualities were studied using electron microscopy, it was determined that the pumice particles were homogeneously disseminated in the TPU phase when reinforced at 2.5% and 5.0%. Based on these findings, TPU-based composites with the lowest addition quantity of 2.5% pumice produced the best outcomes. The use of pumice-filled TPU composites in automotive and construction applications can be established effectively thanks to performance improvement in the properties of examined samples.

Keywords

acidic pumice, polymer composites, melt blending, thermoplastic polyurethane

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Details

Primary Language

English

Subjects

Polymer Technologies, Polymers and Plastics

Journal Section

Research Article

Authors

Ahmet Bulut
0000-0002-1697-8623
Türkiye

Ümit Tayfun
0000-0001-5978-5162
Türkiye

Mehmet Yurderi ^*
0000-0002-0233-8940
Türkiye

Publication Date

June 27, 2025

Submission Date

September 5, 2024

Acceptance Date

February 13, 2025

Published in Issue

Year 2025 Volume: 13 Number: 1

DOI

https://doi.org/10.51354/mjen.1543960

IZ

https://izlik.org/JA56JS62DM

APA

Bulut, A., Tayfun, Ü., & Yurderi, M. (2025). Experimental characterization of thermal, mechanical, physical and morphological performance of thermoplastic polyurethane composites containing acidic pumice. MANAS Journal of Engineering, 13(1), 23-29. https://doi.org/10.51354/mjen.1543960

AMA

1.Bulut A, Tayfun Ü, Yurderi M. Experimental characterization of thermal, mechanical, physical and morphological performance of thermoplastic polyurethane composites containing acidic pumice. MJEN. 2025;13(1):23-29. doi:10.51354/mjen.1543960

Chicago

Bulut, Ahmet, Ümit Tayfun, and Mehmet Yurderi. 2025. “Experimental Characterization of Thermal, Mechanical, Physical and Morphological Performance of Thermoplastic Polyurethane Composites Containing Acidic Pumice”. MANAS Journal of Engineering 13 (1): 23-29. https://doi.org/10.51354/mjen.1543960.

EndNote

Bulut A, Tayfun Ü, Yurderi M (June 1, 2025) Experimental characterization of thermal, mechanical, physical and morphological performance of thermoplastic polyurethane composites containing acidic pumice. MANAS Journal of Engineering 13 1 23–29.

IEEE

[1]A. Bulut, Ü. Tayfun, and M. Yurderi, “Experimental characterization of thermal, mechanical, physical and morphological performance of thermoplastic polyurethane composites containing acidic pumice”, MJEN, vol. 13, no. 1, pp. 23–29, June 2025, doi: 10.51354/mjen.1543960.

ISNAD

Bulut, Ahmet - Tayfun, Ümit - Yurderi, Mehmet. “Experimental Characterization of Thermal, Mechanical, Physical and Morphological Performance of Thermoplastic Polyurethane Composites Containing Acidic Pumice”. MANAS Journal of Engineering 13/1 (June 1, 2025): 23-29. https://doi.org/10.51354/mjen.1543960.

JAMA

1.Bulut A, Tayfun Ü, Yurderi M. Experimental characterization of thermal, mechanical, physical and morphological performance of thermoplastic polyurethane composites containing acidic pumice. MJEN. 2025;13:23–29.

MLA

Bulut, Ahmet, et al. “Experimental Characterization of Thermal, Mechanical, Physical and Morphological Performance of Thermoplastic Polyurethane Composites Containing Acidic Pumice”. MANAS Journal of Engineering, vol. 13, no. 1, June 2025, pp. 23-29, doi:10.51354/mjen.1543960.

Vancouver

1.Ahmet Bulut, Ümit Tayfun, Mehmet Yurderi. Experimental characterization of thermal, mechanical, physical and morphological performance of thermoplastic polyurethane composites containing acidic pumice. MJEN. 2025 Jun. 1;13(1):23-9. doi:10.51354/mjen.1543960

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