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unsaturated polymer

См. также в других словарях:

  • Polymer — Appearance of real linear polymer chains as recorded using an atomic force microscope on surface under liquid medium. Chain contour length for this polymer is 204 nm; thickness is 0.4 nm.[1] A polymer is a large molecule (macromolecule …   Wikipedia

  • Condensation polymer — Condensation polymers are any kind of polymers formed through a condensation reaction, releasing small molecules as by products such as water or methanol, as opposed to addition polymers which involve the reaction of unsaturated monomers. Types… …   Wikipedia

  • Thermosetting polymer — A thermosetting plastic, also known as a thermoset, is polymer material that irreversibly cures. The cure may be done through heat (generally above 200 °C (392 °F)), through a chemical reaction (two part epoxy, for example), or irradiation… …   Wikipedia

  • industrial polymers, major — Introduction       chemical compounds used in the manufacture of synthetic industrial materials.       In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …   Universalium

  • Olefin metathesis — or transalkylidenation is an organic reaction that entails redistribution of alkylene fragments by the scission of carbon carbon double bonds in olefins (alkenes).[1] Its advantages include the creation of fewer sideproducts and hazardous wastes …   Wikipedia

  • Caramelization — or caramelisation [See spelling differences.] is the oxidation of sugar, a process used extensively in cooking for the resulting nutty flavor and brown color.Like the Maillard reaction, caramelization is a type of non enzymatic browning. However …   Wikipedia

  • Semon, Waldo L. —    While working for the B. F. Goodrich Company in the United States, Semon (American) was boiling polyvinyl chloride (PVC) in a high temperature solvent in an effort to extract an unsaturated polymer that might bond rubber to metal. The result… …   Historical Dictionary of the Fashion Industry

  • hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …   Universalium

  • carboxylic acid — Chem. any organic acid containing one or more carboxyl groups. [1900 05; CARBOXYL + IC] * * * Any organic compound with the general chemical formula ―COOH in which a carbon (C) atom is bonded to an oxygen (O) atom by a double bond to make a… …   Universalium

  • surface coating — ▪ chemistry Introduction       any mixture of film forming materials plus pigments, solvents, and other additives, which, when applied to a surface and cured or dried, yields a thin film that is functional and often decorative. Surface coatings… …   Universalium

  • Polyester — For the 1981 motion picture, see Polyester (film). SEM picture of a bend in a high surface area polyester fiber with a seven lobed cross section …   Wikipedia

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