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A novel investigations on medical and non-medical mask performance with influence of marine waste microplastics (polypropylene).

Department of Mechanical Engineering, Saveetha School of Engineering, SIMATS, Chennai, Tamil Nadu, India. Electronic address: sathisht.sse@saveetha.com. Department of Mechanical Engineering, Saveetha School of Engineering, SIMATS, Chennai, Tamil Nadu, India. Department of Mechanical Engineering, GLA university, Mathura, India. Electronic address: kamal.sharma@gla.ac.in. Tecnologico de Monterrey, Escuela de Ingenieríay Ciencias, Puebla, Mexico. Electronic address: sasan_zahmatkesh@yahoo.com. Department of Mechanical Engineering, SRM Institute of Science and Technology (Deemed to be university), Kattankulathur, Chennai, Tamil Nadu, India. Department of Mechanical Engineering, Government Engineering College Patan, Gujarat, India.

Marine pollution bulletin. 2023;:115004
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Abstract

The entire human race is struggling with the spread of COVID-19. Worldwide, the wearing of face masks is indispensable to prevent such spread. Despite numerous studies reporting on the fabrication of face masks and surgical masks to reduce spread and thus human deaths, this novel work is considered the marine waste of microplastics, namely Polypropylene (PP) polymer, used to fabricate non-woven fabric masks through the melt-blown process. This experimental work aims to maximize the mask's quality and minimize its fabrication cost by optimizing the melt-blown process parameters and using microplastics. The melt-blown process was used to make masks. Parameters such as extruder temperature, hot air temperature, melt flow rate, and die-to-collector distance (DCD) were investigated as independent variables. The quality of the mask was investigated in terms of bacterial filtration efficiency (BFE), particle filtration efficiency (PFE), and differential pressure. The Taguchi L16 orthogonal array and Taguchi analysis were employed for experimental design and statistical optimization, respectively. The results reveal that the higher BFE and PFE are recorded at 96.7 % and 98.6 %, respectively. The surface morphological investigation on different layers ensured the fine and uniform porosity of the layers and exhibited minimum breath resistance (a low differential pressure of 0.00152 kPa/cm2). Hence the chemically treated marine waste microplastics improved the masks' performance.