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Material Development and Properties of Medium-Density Board from Low and High-Density Polyethylene
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Not directly relevant to microplastic pollution research. This engineering study creates medium-density boards from waste polyethylene plastics and tests their mechanical properties for use in furniture and construction—a materials recycling study rather than a pollution or health impacts study.
This study aims to develop a material from waste low-density polyethylene (LDPE) and high-density polyethylene (HDPE) into a medium-density board and assess its mechanical and physical properties. The development starts with degreasing the upcycled plastic sheets, stacking using premixed polyester resin as an adhesive, pressing, and laminating. The specimens are sent to the Department of Science and Technology Industrial Technology Development Institute (DOST-ITDI) standards and testing division to determine the material’s mechanical and physical properties. The findings reveal that the medium-density board successfully combines LDPE and HDPE waste, achieving tensile, flexural, and compressive strengths of 12.1 MPa, 24.2 MPa, and 14.5 MPa, respectively. The board is suitable for shaded outdoor use but not for continuous immersion as it shows a heat deflection temperature of 57.8 ℃ and 1.27% water absorption after 24 hours. Therefore, it is a potential substitute for furniture, home decor, and light construction materials.
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Experimental Tests on Lightweight Cement Mortar and Concrete with Recycled Plastic Wastes
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This paper is not relevant to microplastics research — it tests the mechanical properties of cement mortar and concrete incorporating recycled plastic waste granules as aggregate substitutes, a construction materials engineering study.
Non-Wettable Microporous Sheets Using Mixed Polyolefin Waste for Oil–Water Separation
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Not relevant to microplastics — this paper describes manufacturing non-wettable porous sheets from recycled polyethylene and polypropylene waste for oil-water separation, focusing on materials recycling rather than microplastic pollution.
Recycling of Polyethylene and Polypropylene Waste to Produce Plastic Bricks
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This paper is not primarily about microplastics — it tests whether recycled PE and PP plastic pellets can replace conventional materials in construction bricks, with a focus on mechanical performance rather than pollution impacts.
Potential Applications of Different Forms of Recycled Plastics as Construction Materials—A Review
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This review examined potential applications of different forms of recycled plastics (granules, powder, fiber, aggregate) as construction materials, identifying suitable recycling methodologies and construction products with performance benefits such as improved toughness and reduced weight.
Valorization of post-consumer plastic packaging into a composite material
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This study developed a composite building material from post-consumer mixed plastic packaging waste, providing a higher-value end use that diverts plastic from landfill. Using plastic waste in durable construction products reduces the amount available to degrade into microplastics in the environment.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.