Effect of Sodium Laureth Sulfate on Contact Angles of High-Impact Polystyrene and Acrylonitrile–Butadiene–Styrene from Recycled Refrigeration Equipment
Source abstract
Abstract
This paper investigates the effects of sodium laureth sulfate (SLES) on the wettability of the surface of the two most common recycled plastics in refrigeration equipment: HIPS (high-impact polystyrene) and ABS (acrylonitrile–butadiene–styrene). These plastics, in the form of flakes, were identified on the basis of their FTIR spectra, and then, they were subjected to a study of contact angles using the sessile droplet method. The solutions for the angle analysis included tap water with the addition of SLES. The results of this study showed that at SLES concentrations of 0.1 g/L and 0.2 g/L, the differences in the contact angles for HIPS and ABS were 10.76° and 10.10°, respectively. This research confirmed the potential of using SLES as a support for the flotation separation of plastics with similar densities and surface characteristics, such as HIPS and ABS.
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Research context
OpenAlex topics: Recycling and Waste Management Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Polish Recycling Corporation, 20-234 Lublin, Poland
Department of Interfacial Phenomena, Maria Curie-Skłodowska University, 20-031 Lublin, Poland
Erasmus Student Mobility Programme, University of Jaén, 23071 Jaén, Spain
Chuik Institute of Surface Chemistry, Ukrainian Academy of Sciences, 03680 Kiev, Ukraine
Funding
Ministry of Education (Poland)
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