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  2. List of polyurethane applications - Wikipedia

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

    Rigid foam manufacturers sell foam that replace wood in carved sign and 3D-topography industries. PU foam is also used as a thermal insulator in many houses. Polyurethane resin is used as an aesthetic flooring material. Being seamless and water resistant, it is gaining interest for use in (modern) interiors, especially in Western Europe.

  3. Polyurethane - Wikipedia

    en.wikipedia.org/wiki/Polyurethane

    Polyurethane (/ ˌ p ɒ l i ˈ jʊər ə ˌ θ eɪ n,-j ʊəˈr ɛ θ eɪ n /; [1] often abbreviated PUR and PU) refers to a class of polymers composed of organic units joined by carbamate (urethane) links. In contrast to other common polymers such as polyethylene and polystyrene, polyurethane term does not refer to the single type of polymer ...

  4. Thermoplastic polyurethane - Wikipedia

    en.wikipedia.org/wiki/Thermoplastic_polyurethane

    TPU has many applications, including automotive instrument panels, caster wheels, power tools, sporting goods, medical devices, drive belts, footwear, inflatable rafts, fire hoses, buffer weight tips and a variety of extruded film, sheet and profile uses.

  5. Ethyl carbamate - Wikipedia

    en.wikipedia.org/wiki/Ethyl_carbamate

    Ethyl carbamate (also called urethane) is an organic compound with the formula CH 3 CH 2 OC(O)NH 2. It is an ester of carbamic acid and a white solid. Despite its name, it is not a component of polyurethanes. Because it is a carcinogen, it is rarely used, but naturally forms in low quantities in many types of fermented foods and drinks.

  6. Polyurethane urea elastomer - Wikipedia

    en.wikipedia.org/wiki/Polyurethane_urea_elastomer

    The polyurethane urea elastomer (PUU), or poly (urethane urea) elastomer, is a flexible polymeric material that is composed of linkages made out of polyurethane and polyurea compounds. Due to its hyperelastic properties, it is capable of bouncing back high-speed ballistic projectiles as if the material had “hardened” upon impact.

  7. Urethane - Wikipedia

    en.wikipedia.org/wiki/Urethane

    Urethane may refer to: Ethyl carbamate, a chemical compound which is an ester of carbamic acid; Polyurethane, a polymer composed of a chain of organic units joined by ...

  8. Polyurethane dispersion - Wikipedia

    en.wikipedia.org/wiki/Polyurethane_dispersion

    Polyurethane dispersion, or PUD, is understood to be a polyurethane polymer resin dispersed in water, rather than a solvent, although some cosolvent may be used.Its manufacture involves the synthesis of polyurethanes having carboxylic acid functionality or nonionic hydrophiles like PEG (polyethylene glycol) incorporated into, or pendant from, the polymer backbone. [1]

  9. Biodegradable polymer - Wikipedia

    en.wikipedia.org/wiki/Biodegradable_polymer

    The primary role of many of these polymers was to act as a biocompatible cement in the fixation of prostheses and in the replacement of joints. Newer biologically compatible synthetic and natural biodegradable polymers have been developed; these include polyglycolide, polylactide, polyhydroxobutyrate, chitosan , hyaluronic acid , and hydrogels .

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