Effect of the Graphene Nanoplatelets (GnPs) on the Mechanical Properties in Recycled PP-Based Hybrid Composites

Cem Okan, Ramazan Kaya, Alaeddin Burak Irez*, Emrullah Cebe

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Özet

In the day we fight against Covid-19, the use of disposable masks and isolation clothing is multiplied by 12 compared to the time before the Covid-19 pandemic. Considering that these disposable masks are made of polypropylene (PP), an average of 480 kilotons of PP waste is produced each year, exclusively from masks. After the use of these masks, it is important to collect and re-evaluate them in a controlled manner so as not to pose a risk of contamination and not to threaten the environment. Because of its advantageous properties, PP is used in the production of many parts in the automotive industry. With this study, it is aimed to develop composite materials to be used in car bumper manufacturing by using recycled PP obtained from melt blown PP fabrics (surgical mask fabric). Due to accidents or road conditions, impact damage can occur on the bumpers. Therefore, the impact resistance of the bumpers must be improved. In addition, in case of microscale damage resulting from the impacts received, microcracks may develop and cause material failure below the maximum tensile stress. In summary, effective reinforcements should be used to improve impact strength in composites for use in car bumpers. Accordingly, novel recycled PP (rPP) based composites are manufactured by using elastomer-styrene-ethylene-butylene-styrene (SEBS) and graphene nanoplatelets (GnPs) as compatible reinforcements with rPP. As experimental characterization, three-point bending tests and Charpy impact tests were carried out. Incorporation of GnPs increased the flexural strength and blending with SEBS improved the impact resistance of the developed composites. Certain clusters of the graphene nanoplatelets were observed by means of microscopy.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıMechanics of Composite, Hybrid and Multifunctional Materials, Fracture, Fatigue, Failure and Damage Evolution - Proceedings of the 2021 Annual Conference on Experimental and Applied Mechanics
EditörlerVijay Chalivendra, Allison M Beese, Ryan B. Berke
YayınlayanSpringer
Sayfalar23-28
Sayfa sayısı6
ISBN (Basılı)9783030867409
DOI'lar
Yayın durumuYayınlandı - 2022
EtkinlikSEM Annual Conference and Exposition on Experimental and Applied Mechanics, 2021 - Virtual, Online
Süre: 14 Haz 202117 Haz 2021

Yayın serisi

AdıConference Proceedings of the Society for Experimental Mechanics Series
ISSN (Basılı)2191-5644
ISSN (Elektronik)2191-5652

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???event.eventtypes.event.conference???SEM Annual Conference and Exposition on Experimental and Applied Mechanics, 2021
ŞehirVirtual, Online
Periyot14/06/2117/06/21

Bibliyografik not

Publisher Copyright:
© 2022, The Society for Experimental Mechanics.

Finansman

Acknowledgements This research was supported by the Istanbul Technical University Office of Scientific Research Projects (ITU BAPSIS), under grant MAB-2021-42811. The authors thank Elastron TR and Ersem Plastik for their material support and valuable discussions during this project.

FinansörlerFinansör numarası
Istanbul Teknik ÜniversitesiMAB-2021-42811

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