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  2. Polycarbonate - Wikipedia

    en.wikipedia.org/wiki/Polycarbonate

    Polycarbonate. Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. They are easily worked, molded, and thermoformed. Because of these properties, polycarbonates find many ...

  3. Plastic - Wikipedia

    en.wikipedia.org/wiki/Plastic

    Household items made of various types of plastics. 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. This adaptability, plus a wide range of other properties, such as ...

  4. Bisphenol A - Wikipedia

    en.wikipedia.org/wiki/Bisphenol_A

    Infobox references. Bisphenol A (BPA) is a chemical compound primarily used in the manufacturing of various plastics. It is a colourless solid which is soluble in most common organic solvents, but has very poor solubility in water. [2][7] BPA is produced on an industrial scale by the condensation reaction of phenol and acetone.

  5. Plastics in the construction industry - Wikipedia

    en.wikipedia.org/wiki/Plastics_in_the...

    Plastic is the generic name for a family of synthetic materials derived from petrochemicals. It is often product of two or more components. There are many families of plastics and polymers being used in construction industry, such as acrylics, composites, expanded polystyrene, polycarbonates, polyethylene, polypropylene, and polyvinyl chloride.

  6. Timeline of plastic development - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_plastic...

    Eduard Simon, a German apothecary, discovers polystyrene. [2] 1844. Thomas Hancock patents the vulcanization of rubber in Britain immediately followed by Charles Goodyear in United States. [3] 1856. Parkesine, the first member of the Celluloid class of compounds and considered the first man-made plastic, is patented by Alexander Parkes. [4] 1869.

  7. List of polyurethane applications - Wikipedia

    en.wikipedia.org/wiki/List_of_polyurethane...

    Polyurethane foam made with an aromatic isocyanate, which has been exposed to UV light. Readily apparent is the discoloration that occurs over time. Custom-cast polyurethane objects. Polyurethane products have many uses. Over three quarters of the global consumption of polyurethane products is in the form of foams, with flexible and rigid types ...

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