Plastic - Wikipedia
Plastics are a wide range of synthetic or semi-synthetic materials that use polymers as a main ingredient. Their plasticity makes it possible for plastics to be molded, extruded or pressed into solid objects of various shapes.
List of synthetic polymers - Wikipedia
Some familiar household synthetic polymers include: Nylons in textiles and fabrics, Teflon in non-stick pans, Bakelite for electrical switches, polyvinyl chloride (PVC) in pipes, etc. The common PET bottles are made of a synthetic polymer, polyethylene terephthalate.
The Invention of Plastic: Tracing the Timeline of ... - Plastic …
2024年10月1日 · What was the first synthetic plastic, and why was it invented? The first synthetic plastic was called Parkesine, and it was invented by Alexander Parkes as a sustainable alternative to ivory and tortoiseshell because of the scarcity of natural resources.
A brief history of plastics, natural and synthetic - BBC News
2014年5月16日 · Synthetic plastics had the added advantage that they seemingly lasted forever. No organisms had evolved that were capable of digesting these complicated and alien materials.
Synthetic Polymers: Definition, Types, Examples, and Uses
Synthetic polymers are large molecules made by linking together smaller units called monomers. These monomers join in a process called polymerization, creating long chains that make up the polymer. Synthetic polymers are created through chemical reactions and are used to make many everyday materials like plastics, fibers, and rubber.
History and Future of Plastics - Science History Institute
Over the last century and a half, humans have learned how to make synthetic polymers, sometimes using natural substances like cellulose, but more often using the plentiful carbon atoms provided by petroleum and other fossil fuels.
All About Plastic - Xometry
2023年4月21日 · Plastic is a synthetic or semi-synthetic material that usually comes from petrochemicals or things like cellulose and starch. Certain types of plastic are known as resins. To make plastic, the main components are chemically treated until they make polymers, which are basically long chains of molecules.
Plastic | Composition, History, Uses, Types, & Facts | Britannica
2024年10月17日 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure.
Synthetic Polymers: Important Types And Uses - Science Info
2023年7月28日 · Synthetic Polymer. Synthetic polymers, also known as man-made polymers, are polymers that are artificially produced by humans. Polymers are composed of repetitive structural units called monomers. Polyethylene, a polymer renowned for its simplicity, is composed of ethene or ethylene monomer units.
Polyethylene (PE) | Properties, Structures, Uses, & Facts | Britannica
2024年11月14日 · polyethylene (PE), light, versatile synthetic resin made from the polymerization of ethylene. Polyethylene is a member of the important family of polyolefin resins. It is the most widely used plastic in the world, being made into products ranging from clear food wrap and shopping bags to detergent bottles and automobile fuel tanks.