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heat polymerization

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См. также в других словарях:

  • polymerization — /peuh lim euhr euh zay sheuhn, pol euh meuhr /, n. Chem. 1. the act or process of forming a polymer or polymeric compound. 2. the combination of many like or unlike molecules to form a more complex product of higher molecular weight, with… …   Universalium

  • heat-curing resin — a resin that requires the use of heat to effect its polymerization …   Medical dictionary

  • polymerization —    A chemical reaction, usually carried out with a catalyst, heat, or light, in which two or more relatively simple molecules (monomers) combine to form a chainlike macromolecule, or polymer. When comprised of two monomers a polymer is called a… …   Forensic science glossary

  • Emulsion polymerization — is a type of radical polymerization that usually starts with an emulsion incorporating water, monomer, and surfactant. The most common type of emulsion polymerization is an oil in water emulsion, in which droplets of monomer (the oil) are… …   Wikipedia

  • Cobalt mediated radical polymerization — Cobalt based catalysts, when used in radical polymerization, have several main advantages especially in slowing down the reaction rate, allowing for the synthesis of polymers with peculiar properties. As starting the reaction does need a real… …   Wikipedia

  • Chain shuttling polymerization — is a dual catalyst method for producing block copolymers with alternating or variable tacticity. The desired effect of this method is to generate hybrid polymers that bear the properties of both polymer chains, such as a high melting point… …   Wikipedia

  • Solution polymerization — is a method of industrial polymerization. In this procedure, a monomer is dissolved in a non reactive solvent that contains a catalyst. The heat released by the reaction is absorbed by the solvent, and so the reaction rate is reduced.This process …   Wikipedia

  • Hazardous polymerization — Radical polymerization of pure styrene causes the viscosity to increase. This retards the deactivation of the free radicals by radical radical reactions, but it does not have such a great effect on the reaction of the radicals with styrene. Hence …   Wikipedia

  • autopolymerization — Polymerization without the use of external heat, as a result of the addition of an activator and a catalyst. * * * au·to·po·lym·er·iza·tion (aw″to pə lim″ər ĭ zaґshən) polymerization occurring without the use of… …   Medical dictionary

  • 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

  • industrial polymers, chemistry of — Introduction       structure and composition of chemical compounds made up of long, chainlike molecules (molecule).       What distinguishes polymers from other types of compounds is the extremely large size of the molecules. The size of a… …   Universalium

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