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2. Contributors

Author

Morteza Afsari, Sadegh Aghapour Aktij, Somaye Akbari, Mohammad Amin Alaei Shahmirzadi, Farhana Aziz, Lenka Bardoňová, Evren Boyraz, Marek Bryjak, R. Castro-Muñoz, Zhijun Chen, Neeta U. Donnimath, Mahshid Fallah-Darrehchi, A. Figoli, F. Galiano, Pei Sean Goh, Aysegul Gunduz, Ming Hao, Ji-Huan He, Geetha B. Heggannavar, Seyed Abolhassan Hosseini, Seyedeh Shadi Hosseini, Juan Huang, Muhammad Amirul Islam, Ahmad Fauzi Ismail, Juhana Jaafar, Kamran Jalali, Shan Jiang, Hazlina Junoh, Mohammad Hassan Kanani-Jazi, Ali Kargari, Mahadevappa Y. Kariduraganavar, Recep Kaya, Alireza Khatibi, Ali Kilic, Adéla Kotzianová, Monireh Kouhi, Ismail Koyuncu, Xiao-Xia Li, Yanbo Liu, Yong Liu, Zhi Liu, Hidetoshi Matsumoto, Takeshi Matsuura, Geoffrey R. Mitchell, Mina Mobasheri, Mahsa Mostofizadeh, Nik Abdul Hadi Mohd Nordin, Mohd Hafiz Dzarfan Othman, Mehmet Emin Pasaoglu, Nandini A. Pattanashetti, Jerome Peter, Mica L. Pitcher, Marek Pokorný, Mukhlis A. Rahman, Seeram Ramakrishna, F. Russo, Mohtada Sadrzadeh, S. Santoro, Sule Selcuk, Reyhan Sengur-Tasdemir, Aybeniz Seyhan, Laleh Shamaei, Amir Sheikhi, Mohammad Mahdi A. Shirazi, Ho Kyong Shon, Leonard D. Tijing, Ali Toptas, Turker Turken, Afsaneh Valipouri, Vladimír Velebný, Priyesh Wagh, Fatma Yalcinkaya, Bo Yang, Lukka Thuyavan Yogarathinam, Norhaniza Yusof, Payam Zahedi, Bihter Zeytuncu, Shaoling Zhang, and Cong Zhou

Published
2023
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6. Developing an in-Line method to improve mechanical and flame retardancy performance of polyethylene fiber

Author

Beyzanur Gunaydin, Aybeniz Seyhan, Yusuf Polat, Ali Kilic, Ali Demir, Mustafa Erdem Ureyen, and Huseyin Avci

Subjects
Polymers and Plastics, Materials Science (miscellaneous), Chemical Engineering (miscellaneous), Industrial and Manufacturing Engineering
Abstract

Polyethylene (PE) has high flammability and can be quickly burned under atmospheric conditions without leaving any residues. This study presents PE fibers produced by a novel modified melt spinning line to enhance mechanical and flame retardancy properties. Scanning electron microscopy equipped with energy dispersive X-ray, thermogravimetric analysis, limiting oxygen index, micro combustion calorimeter and tensile tests were performed to reveal morphological, thermal and mechanical characteristics of the fibers. An organic phosphorus additive was used to provide flame retardancy in addition to mechanical performance in one-step production. Subsequently, the produced fibers were subjected to the hot drawing, increasing modulus values from 135 MPa to 2.8 GPa. In addition, phosphorus-treated fibers exhibited a limiting oxygen index (LOI) value of 21.5, leaving some residue at 600°C. Furthermore, a decrease in the peak heat release rate (pHRR) was observed in all samples compared to the control sample for the micro combustion calorimeter (MCC) test. Looking at the decrease in heat release (HR), the best result belongs to zone II with 50 and 95°C produced at 1000 m/min take-up speed for the samples. Moreover, about 23%, 23%, and 18% decreases were observed in HR capacity, pHRR, and total HR values, respectively. The modified spinning system is capable of continuous production of flame retardant linear low-density polyethylene (LLDPE) fibers, which can find widespread applications in aviation, automotive, and defense industries.

Published
2022
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