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2. List of polyurethane applications - Wikipedia

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

   Industrial Insulation. Rigid polyurethane foam is used in various industries to provide thermal insulation to installations and pipes. In particular, the piping for district heating systems in Europe is primarily insulated using a pre-insulated pipes sandwich assembly composed of a steel heat service pipe, an insulating layer (polyurethane foam) and a polyethylene (PE) casing, which are bonded ...

3. 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]

4. Thermoplastic polyurethane - Wikipedia

   en.wikipedia.org/wiki/Thermoplastic_polyurethane

   Thermoplastic polyurethane (TPU) is any of a class of polyurethane plastics with many properties, including elasticity, transparency, and resistance to oil, grease, and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments.

5. Delftware - Wikipedia

   en.wikipedia.org/wiki/Delftware

   Delftware or Delft pottery, also known as Delft Blue [1] (Dutch: Delfts blauw) or as delf, [2] is a general term now used for Dutch tin-glazed earthenware, a form of faience. Most of it is blue and white pottery , and the city of Delft in the Netherlands was the major centre of production, but the term covers wares with other colours, and made ...

6. Hoplolatilus - Wikipedia

   en.wikipedia.org/wiki/Hoplolatilus

   Hoplolatilus is a genus of tilefishes native to the Indian Ocean and the western Pacific Ocean.The chameleon tilefish (Hoplolatilus chlupatyi), also known as the flashing tilefish, is well known in particular in the aquarium hobby due to its unique ability to change colors in an instant with the help of specialized proteins in its skin that can reflect light in different wavelengths, allowing ...

7. Polyurethane - Wikipedia

   en.wikipedia.org/wiki/Polyurethane

   Polyurethane synthesis, wherein the urethane groups −NH−(C=O)−O− link the molecular units A kitchen sponge made of polyurethane foam . 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.