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  1. Plastic | Composition, History, Uses, Types, & Facts | Britannica

    May 28, 2025 · plastic, polymeric material that has the capability of being molded or shaped, usually by the application of heat and pressure. This property of plasticity, often found in …

  2. Plastic pollution | Definition, Sources, Effects, Solutions, Ocean ...

    4 days ago · Plastic pollution is the harmful accumulation of synthetic plastic products in the environment. Plastics are persistent large-scale pollutants, and plastic debris (such as bottles, …

  3. Plastic - Polymers, Synthetic, Recycling | Britannica

    May 28, 2025 · Plastic - Polymers, Synthetic, Recycling: Polymers are chemical compounds whose molecules are very large, often resembling long chains made up of a seemingly …

  4. Plastic - Injection Molding, Polymers, Manufacturing | Britannica

    May 28, 2025 · Plastic - Injection Molding, Polymers, Manufacturing: It is usually slow and inefficient to mold thermoplastics using the compression molding techniques described above.

  5. Plastic - Processing, Fabrication, Recycling | Britannica

    May 28, 2025 · Plastic - Processing, Fabrication, Recycling: The processing of raw materials into usable forms is termed fabrication or conversion. An example from the plastics industry would …

  6. plastic - Kids | Britannica Kids | Homework Help

    A plastic is a kind of material that is made by people and can be formed into almost any shape. Most plastics are strong, long-lasting, and lightweight. They resist damage by…

  7. Polymer | Description, Examples, Types, Material, Uses, & Facts ...

    Jun 20, 2025 · They have produced polymeric materials that are as strong as steel yet lighter and more resistant to corrosion. Oil, natural gas, and water pipelines are now routinely constructed …

  8. plastic pollution Facts | Britannica

    Jun 24, 2025 · Plastic pollution, harmful accumulation of synthetic plastic products in the environment. Plastics are persistent large-scale pollutants, and plastic debris (such as bottles, …

  9. Plastic - Recycling, Resource Recovery | Britannica

    May 28, 2025 · Owing to its heterogeneous composition, plastic lumber is inherently weaker than the original polymers. Other recycling processes that make use of mixed plastics are pyrolysis, …

  10. Leo Baekeland | Inventor, Bakelite, Plastics | Britannica

    Leo Baekeland (born November 14, 1863, Ghent, Belgium—died February 23, 1944, Beacon, New York, U.S.) was a U.S. industrial chemist who helped found the modern plastics industry …