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polymer chain

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  • Polymer physics — is the field of physics associated to the study of polymers, their fluctuations, mechanical properties, as well as the kinetics of reactions involving degradation and polymerisation of polymers and monomers respectively.While it focuses on an… …   Wikipedia

  • Chain transfer — is a polymerization reaction by which the activity of a growing polymer chain is transferred to another molecule.[1][2] P• + XR → PX + R • Chain transfer reactions reduce the average molecular weight of the final polymer. Chain transfer can be… …   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

  • Polymer solar cell — Polymer solar cells are a type of organic solar cell: they produce electricity from sunlight. A relatively novel technology, they are being researched by universities, national laboratories and several companies around the world. Device physics… …   Wikipedia

  • Chain propagation — is a process in which a reactive intermediate is continuously regenerated during the course of a chemical reaction. In polymerization reaction, the reactive end groups of a polymer chain react in each propagation step with a new monomer molecule… …   Wikipedia

  • 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

  • Chain growth polymerisation — Chain growth polymerization is a polymerization technique where unsaturated monomer molecules add on to a growing polymer chain one at a time [1]. It can be represented with the chemical equation: where n is the …   Wikipedia

  • Polymer field theory — A polymer field theory within the framework of statistical mechanics is a statistical field theory, describing the statistical behavior of a neutral or charged polymer system within the field theoretic approach.It can be derived by transforming… …   Wikipedia

  • chain — chain1 [ tʃeın ] noun *** ▸ 1 connected metal rings ▸ 2 series of people/things ▸ 3 group of businesses ▸ 4 in selling houses ▸ 5 something limiting freedom 1. ) count or uncount a series of metal rings connected to each other, used for fastening …   Usage of the words and phrases in modern English

  • chain — I UK [tʃeɪn] / US noun Word forms chain : singular chain plural chains *** 1) [countable/uncountable] a series of metal rings connected to each other, used for fastening, pulling, or lifting things There was a rusty iron chain hanging from the… …   English dictionary

  • Polymer degradation — is a change in the properties tensile strength, colour, shape, etc of a polymer or polymer based product under the influence of one or more environmental factors such as heat, light or chemicals. These changes are usually undesirable, such as… …   Wikipedia

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