Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp/ Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi

Abdulkadir Şanlı

doi:10.29130/dubited.1009022

EN TR

Experimental Investigation of The Effects of Different Dispersion Techniques on The Electromechanical Properties of Electrospun Carbon Nanotube/ Thermoplastic Polyurethane Nanocomposites

Abstract

In this study, a detailed investigation on the influence of different dispersion methods that are magnetic stirring (MK), ultrasonic bath (UB), and ultrasonication (S) of the electrospun CNTs/ TPU nanocomposite on their morphological and electromechanical properties was conducted. Obtained results suggest that the dispersion method of the CNTs plays a significant role in their physical electromechanical and sensory properties tremendously. Microscopic investigations show that ultrasonicated samples give better dispersed fibrous structures owing to the positive effect of the ultrasonic force. It is also seen that especially for the S-samples, by addition of CNTs to the TPU solution conductivity increases almost 10 times which is attributed to the better dispersion of the fibrous structure. From the mechanical tests, it was observed that the elongation at break in S-samples increased by 31.6%, and the tensile strength increased by approximately 56% compared to MK-samples. Subsequently, from the tensile strain test, it is observed that all probes give strain-sensitive responses in two linear regions and S-samples are the most sensitive among others that are due to higher total amount of nanofiber networks. All the results prove that the importance of good CNTs dispersion that affects not only physical properties but also their electromechanical and sensory properties. Results obtained from this study can shed a light on the importance of controlling the dispersion of the CNTs for fabricating highly sensitive, flexible strain sensors through electrospinning technology.

Keywords

Carbon nanotube, Elektrospinning, Strain sensor, Thermoplastic polyurethane, Nanocomposite

Project Number

2019BM016

Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp/ Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi

Abstract

Bu çalışmada, elektroeğirilmiş karbon nanotüp (KNT)/ termoplastik poliüretan (TPU) nanokompozitinin manyetik karıştırma (MK), ultrasonik banyo (UB) ve ultrasonikasyon (S) gibi farklı dispersiyon yöntemlerinin morfolojik ve elektromekanik özellikleri üzerindeki etkisi hakkında detaylı bir araştırma yapılmıştır. Elde edilen sonuçlar KNT’de uygulanan dispersiyon yönteminin, numunelerin fiziksel, elektromekanik ve sensör özelliklerinde çok önemli bir rol oynadığını göstermektedir. Mikroskobik incelemeler, ultrasonik kuvvetin pozitif etkisi sayesinde S numunelerin daha iyi dağılmış lifli yapılar verdiğini göstermektedir. Ayrıca özellikle S-örneklerinde, TPU çözeltisine KNT'lerin eklenmesiyle iletkenliğin lifli yapının daha iyi dağılmasına bağlı olarak yaklaşık 10 kat arttığı görülmüştür. Mekanik testlerden S numunelerinde kopma uzamasının MK numunelerine göre %31.6 ve çekme dayanımının ise yaklaşık %56 arttığı gözlemlenmiştir. Bunun yanında, çekme gerinim testinden, tüm numunelerin iki lineer bölgede gerinime duyarlı tepkiler verdiği ve S numunelerinde MK ve UB numunelerine oranla daha yüksek sayıdaki nanofiber ağlardan dolayı daha hassas tepki verdiği görülmüştür. Elde edilen sonuçlar KNT dispersiyon tekniğinin, numunelerin sadece fiziksel özellikleri değil, aynı zamanda elektromekanik ve sensör özelliklerini de ciddi oranda etkilediğini gösterirken özellikle yüksek hassasiyetli, esnek gerinim sensörleri üretiminde KNT'lerin dağılımını kontrol etmenin önemine dair yeni bakış açıları kazandırmaktadır.

Keywords

Karbon nanotüp, Elektroeğirme, Gerinim sensörü, Termoplastik poliüretan, Nanokompozit

Supporting Institution

Türk-Alman Üniversitesi Bilimsel Araştırma Projeleri Birimi

Project Number

2019BM016

Thanks

Bu çalışma Türk-Alman Üniversitesi Bilimsel Araştırma Projeleri Birimi tarafından desteklenmiştir (Proje no: 2019BM016). Bu çalışmada Marmara Üniversitesi Teknoloji Fakültesi, Tekstil Mühendisliği bölümü öğretim üyesi Doç. Dr. Muhammet Uzun ve Öğr. Gör. Kübra Yıldız taramalı elektron mikroskobu testlerinin planlanmasında katkılar sunmuşlardır.

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Details

Primary Language

Turkish

Subjects

Engineering

Journal Section

Research Article

Authors

Abdulkadir Şanlı ^*
0000-0002-9768-9005
Türkiye

Publication Date

October 25, 2022

Submission Date

October 13, 2021

Acceptance Date

February 23, 2022

Published in Issue

Year 2022 Volume: 10 Number: 4

DOI

https://doi.org/10.29130/dubited.1009022

IZ

https://izlik.org/JA88YG49YM

APA

Şanlı, A. (2022). Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp/ Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi. Duzce University Journal of Science and Technology, 10(4), 2039-2051. https://doi.org/10.29130/dubited.1009022

AMA

1.Şanlı A. Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp/ Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi. DUBİTED. 2022;10(4):2039-2051. doi:10.29130/dubited.1009022

Chicago

Şanlı, Abdulkadir. 2022. “Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi”. Duzce University Journal of Science and Technology 10 (4): 2039-51. https://doi.org/10.29130/dubited.1009022.

EndNote

Şanlı A (October 1, 2022) Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp/ Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi. Duzce University Journal of Science and Technology 10 4 2039–2051.

IEEE

[1]A. Şanlı, “Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp/ Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi”, DUBİTED, vol. 10, no. 4, pp. 2039–2051, Oct. 2022, doi: 10.29130/dubited.1009022.

ISNAD

Şanlı, Abdulkadir. “Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi”. Duzce University Journal of Science and Technology 10/4 (October 1, 2022): 2039-2051. https://doi.org/10.29130/dubited.1009022.

JAMA

1.Şanlı A. Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp/ Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi. DUBİTED. 2022;10:2039–2051.

MLA

Şanlı, Abdulkadir. “Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi”. Duzce University Journal of Science and Technology, vol. 10, no. 4, Oct. 2022, pp. 2039-51, doi:10.29130/dubited.1009022.

Vancouver

1.Abdulkadir Şanlı. Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp/ Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi. DUBİTED. 2022 Oct. 1;10(4):2039-51. doi:10.29130/dubited.1009022

Experimental Investigation of The Effects of Different Dispersion Techniques on The Electromechanical Properties of Electrospun Carbon Nanotube/ Thermoplastic Polyurethane Nanocomposites

Abstract

Keywords

Project Number

Farklı Dispersiyon Tekniklerinin Elektroeğirilmiş Karbon Nanotüp/ Termoplastik Poliüretan Nanokompozitlerin Elektromekanik Özelliklerine Etkisinin Deneysel İncelenmesi

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