Recycled roads pave the way to a sustainable future
New roads mixed with recycled plastics at ten sites across Victoria will demonstrate a viable circular-economy solution to the nation, experts say.
Aug 9, 2023
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New roads mixed with recycled plastics at ten sites across Victoria will demonstrate a viable circular-economy solution to the nation, experts say.
Aug 9, 2023
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The two men in bright overalls rooting for plastic on a Tunisian beach do so to make a living, but also in the knowledge that they are helping the environment.
Aug 6, 2023
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For years, unrecycled plastic bottles have been dumped in landfills. Now, thanks to new research from UBC Okanagan, those bottles may have a second life in that landfill—stabilizing its earth walls.
Jul 20, 2023
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Skoltech scientists in collaboration with SIBUR PolyLab Research Center and other universities and organizations presented results of a project exploring the e-nose technology for controlling the quality and technology of ...
Jul 19, 2023
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Stanford engineers Michael Lepech and Zhiye Li have a unique vision of the future: buildings and roads made from plastic waste.
Jul 18, 2023
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The UK is losing a staggering 3 billion liters of water each day through leaky pipes. The issue is not limited to the UK alone. Globally, almost 90 billion liters of water are lost daily, accounting for up to half of all ...
Jul 18, 2023
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An international team of researchers from India and Singapore, led by Associate Professor Kheng Lim Goh from Newcastle University in Singapore, has examined the impact of plastic waste management on creating a new type of ...
Jun 23, 2023
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Researchers have demonstrated how carbon dioxide can be captured from industrial processes—or even directly from the air—and transformed into clean, sustainable fuels using just the energy from the sun.
Jun 19, 2023
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Plastic waste is an increasing problem the world over, with food packaging and single-use items such as plastic knives and forks representing a significant component of the waste stream. There have been efforts to replace ...
Apr 24, 2023
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Our society has a love affair with plastic. To take our relationship to the next level—happily ever after in a waste-free future—the path is circular.
Apr 19, 2023
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A plastic material is any of a wide range of synthetic or semi-synthetic organic solids used in the manufacture of industrial products. Plastics are typically polymers of high molecular mass, and may contain other substances to improve performance and/or reduce production costs. Monomers of plastic are either natural or synthetic organic compounds.
The word plastic is derived from the Greek πλαστικός (plastikos) meaning capable of being shaped or molded, from πλαστός (plastos) meaning molded. It refers to their malleability, or plasticity during manufacture, that allows them to be cast, pressed, or extruded into a variety of shapes—such as films, fibers, plates, tubes, bottles, boxes, and much more.
The common word plastic should not be confused with the technical adjective plastic, which is applied to any material which undergoes a permanent change of shape (plastic deformation) when strained beyond a certain point. Aluminum which is stamped or forged, for instance, exhibits plasticity in this sense, but is not plastic in the common sense; in contrast, in their finished forms, some plastics will break before deforming and therefore are not plastic in the technical sense.
There are two types of plastics: thermoplastics and thermosetting polymers. Thermoplastics are the plastics that do not undergo chemical change in their composition when heated and can be moulded again and again; examples are polyethylene, polypropylene, polystyrene, polyvinyl chloride and polytetrafluoroethylene (PTFE). Thermosets can melt and take shape once; after they have solidified, they stay solid.
The raw materials needed to make most plastics come from petroleum and natural gas.
This text uses material from Wikipedia, licensed under CC BY-SA