The objective of this research is to produce oil from the catalytic pyrolysis of waste polypropylene (WPP) using a low-cost natural catalyst. Three natural catalysts were examined, i.e. Kaolin ...
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Semantic Scholar extracted view of "Recycling polypropylene and polyethylene wastes in production of polyester based polymer mortars" by M. Martínez-López et al.
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The use of supplementary cementitious materials (SCMs) has increased over the years due to the carbon footprint associated with the production of cement, which contributes to 10% of the total global CO2 gas emissions. This causes an increase in global warming, and the exponential increase in demand for construction of concrete has …
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The production and use of plastic sand bricks and blocks is a good example of the innovation required to establish a circular economy. Plastic waste (e.g., plastic bottles, bags, and sheets) is not readily biodegradable, which makes it one of the most …
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Section snippets Materials and production of polymer mortar. Prismatic specimens were produced by blending the unsaturated polyester resin (UPR), silica sand and waste polyethylene (or polypropylene) particles.
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Shear behavior of polypropylene fiber-reinforced concrete beams containing recycled aggregate and crumb rubber ... and projections suggest that a 50% increase in the annual production of cement should be ... Besides, using CR can eventually reduce the consumption of natural resources like sand and help reduce the carbon footprint and …
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The polypropylene fibres were procured from Mumbai based company, Xetex. The crumb rubber used in the production of masonry blocks was procured from the RS rubber industries, Jalandhar, Punjab. ... the specific weight of fibres is lower than that of cement, sand and aggregates used in the production of bricks which further helps in …
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Download Citation | Production and use of polypropylene fibres and yarn | World production of PP fibres in 2004 was approximately 6.3 million tons, including 2.1 million tons of film fibres. The ...
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The mechanical properties of isotactic polypropylene can be enhanced in one direction by a combination of rolling and drawing in a rolling mill. The longitudinal strength and modulus of the oriented polypropylene (OPP) increases with an increase in draw ratio; however, the transverse properties remain relatively unchanged.
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Feasibility study on production of fibre cement board using mortar reinforced by fibreglass net and polypropylene fibres ... cement in combination with fine sand in a specific size, based on ...
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A large proportion of polypropylene production is melt-spun into fibres. Polypropylene fibre is a major factor in home furnishings such as upholstery and indoor-outdoor carpets. Numerous industrial end uses exist as well, including rope and cordage, disposable nonwoven fabrics for diapers and medical applications, and nonwoven …
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Polypropylene (PP) is a versatile polymer with numerous applications that has undergone substantial changes in recent years, focusing on the demand for next-generation polymers. This article provides a comprehensive review of recent research in PP and its advanced functional applications. The chronological development and …
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This article presents the experimental setup for the manufacturing of plastic sand bricks from polyethylene & polypropylene, characterization of new bricks, and comparison of the same with sand ...
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The cyclical economy and the practicality of employing plastic sand bricks as an alternative construction material are the focus of the mind map used in this review article (Figure 2). Figure 2. The mind map is used in this literature review. Image Credit: Al-Sinan & Bubshait, 2022 The literature review was primarily undertaken …
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Sand Manufactured sand is used for making tiles. And sand particles should be free from dust and organic impurities. Fig 1, M-Sand used Plastic waste material polypropylene plastic is used for the manufacturing of plastic tiles. The polypropylene plastic should not produce any toxic fumes.
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This article presents the experimental setup for manufacturing of plastic sand bricks from …
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According to literature review, there is little information on the use of polypropylene and steel slag together in the construction of concrete block pavement. The use of polypropylene granules as a partial substitute for sand in the development of steel slag concrete block pavement is investigated in this study.
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Polymeric waste (PW) can also be used as aggregate substitute in concrete. Industrial-scale production of thermoplastics such as polypropylene (PP), polyethylene (PE), polyethylene terephthalate (PET), polystyrene (PS), polyvinyl chloride (PVC), and elastomers (rubbers), which have completed their life cycle, constitute the bulk of this …
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Production of PE based plastic –poly(ethylene) is processed in a factory to make plastic pellets. The pellets are poured into a reactor, melted into a thick liquid to cast into a mould. ... Examples: polyethylene, polypropylene, polyvinyl chloride and polystyrene. Condensation polymerisation: In this case, two monomers combine to form a dimer ...
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Concrete structures that are submerged in water suffer from attacks by harmful salts and acids such as sulfates and chlorides. Therefore, using waste like polypropylene (PP) fiber to prevent environmental accumulation and glass …
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The production and use of plastic sand bricks and blocks is a good example of the. ... Polypropylene (PP) Hard, flexible, non-toxic, transparent, resistant to differ ent.
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Roller-compacted concrete represents a very interesting method to build durable pavement nowadays. However, researchers continue to develop new methods to improve the life cycle and durability of roads. The purpose of this study is to discuss and demonstrate the effect of incorporating polypropylene fibers on the mechanical …
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This article presents the experimental setup for manufacturing of plastic sand bricks from polyethylene & polypropylene, characterization of new bricks and comparison of the same with sand bricks. Six plastic sand brick samples …
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Polypropylene is a versatile material used in the production of various products across different industries. Some common examples of products made from polypropylene include: Packaging materials: PP is widely used in packaging applications due to its excellent moisture resistance, durability, and cost-effectiveness.
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Explore polypropylene, a versatile thermoplastic with wide-ranging applications in various industries, its production, types, properties, and environmental impact.
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The circularity of polymer waste is an emerging field of research in Europe. In the present research, the thermal, surface, mechanical, and tribological properties of polypropylene (PP)-based composite produced by injection molding were studied. The pure PP matrix was reinforced with 10, 30, and 40% wt. of pure cotton, synthetic …
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Sabău and Vargas (2018) mention the effect of plastic waste on the …
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The large-scale production and consumption of olefin plastics such as polyethylene (PE) and polypropylene (PP) is generating significant amounts of nondegradable plastic waste, resulting in severe environmental consequences.
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The production and use of plastic sand bricks and blocks is a good …
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The greenhouse effect and plastic pollution caused by the accumulation of plastics have led to a global concern for environmental protection, as well as the development and application of biodegradable materials. Polypropylene carbonate (PPC) is a biodegradable polymer with the function of "carbon sequestration", which has the …
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In this study, a mixture composed of Portland cement, water, sand, limestone filler and polypropylene fibers was utilized for 3D printed concrete production towards the sustainable constructions approach.
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With her background in material sciences, the young entrepreneur designed a system which converts high density polyethylene, low density polyethylene, and polypropylene plastics into solid bricks. …
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This research aims to investigate the fresh and mechanical properties of concrete with diatomaceous earth (DE) and polypropylene fiber (PPF). The cement was partially replaced by DE in the concentration ranging from 5 to 20% by weight; whereas, PPF was incorporated in concrete mix as in range of 0.05–0.20% by cement weight. …
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