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Even with a wood grain design, plastic lumber is still easy to distinguish visually from natural timber: the grains are the same uniform color as the rest of the material. Manufacturers claim plastic lumber is more environmentally-friendly and requires less maintenance than wood/plastic composites or rot-resistant wood. [2]
Wood-plastic composite. Wood–plastic composites (WPCs) are composite materials made of wood fiber/wood flour and thermoplastic(s) such as polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), or polylactic acid (PLA). In addition to wood fiber and plastic, WPCs can also contain other ligno-cellulosic and/or inorganic filler materials.
Its most commonly noted function is the support through strengthening of wood (mainly composed of xylem cells and lignified sclerenchyma fibres) in vascular plants. [ 17 ] [ 18 ] [ 19 ] Finally, lignin also confers disease resistance by accumulating at the site of pathogen infiltration, making the plant cell less accessible to cell wall ...
How do we save whales and other marine animals from plastic in the ocean? Over 700 marine species, including half of the world’s cetaceans (such as whales and dolphins), all of its sea turtles ...
Plastic-eating microbes also have been found in landfills. [96] Nocardia can degrade PET with an esterase enzyme. [97] The fungus Geotrichum candidum, found in Belize, has been found to consume the polycarbonate plastic found in CDs. [98] [99] Futuro houses are made of fiberglass-reinforced polyesters, polyester-polyurethane, and PMMA.
A colony of limpets attached to a diving mask, found washed ashore on a beach. The plastisphere is a human-made ecosystem consisting of organisms able to live on plastic waste. Plastic marine debris, most notably microplastics, accumulates in aquatic environments and serves as a habitat for various types of microorganisms, including bacteria ...
Image credits: Sasha Weilbaker #4 Wind Blades. Humpback Whales are one of the largest weighing animals of the world, yet they are profound swimmers, which attributes down to its flippers (fins).
Plastic’s versatility, durability, and low weight-to-strength ratio have made it an efficient material for many of life’s modern conveniences. However, by their nature, plastics can break down ...