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long chain polymer

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  • Polymer characterization — is the analytical branch of polymer science.The discipline is concerned with the characterization of polymeric materials on a variety of levels. The characterization typically has as a goal to improve the performance of the material which implies …   Wikipedia

  • Polymer fractionation — Polymers are chainlike molecules that are made of the same repetition unit. Aside from few exceptions (e.g. proteins) polymers consist of molecules with different chain lengths. Therefore average values are given for the molecular weight like the …   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

  • polymer — A substance of high molecular weight, made up of a chain of repeated units sometimes called “mers.” SEE ALSO: biopolymer. [see mer (1)] cross linked p. a p. in which long chain molecules are attached to each other, forming a two or three… …   Medical dictionary

  • 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

  • Polymer nanocomposite — Polymer nanoscience is the study and application of nanoscience to polymer nanoparticle matrices, where nanoparticles are those with at least one dimension of less than 100 nm. Contents 1 Nanopolymers 2 Bio hybrid polymer nanofibers 2.1 Bio… …   Wikipedia

  • polymer — /pol euh meuhr/, n. Chem. 1. a compound of high molecular weight derived either by the addition of many smaller molecules, as polyethylene, or by the condensation of many smaller molecules with the elimination of water, alcohol, or the like, as… …   Universalium

  • 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

  • Markov chain — A simple two state Markov chain. A Markov chain, named for Andrey Markov, is a mathematical system that undergoes transitions from one state to another, between a finite or countable number of possible states. It is a random process characterized …   Wikipedia

  • Conductive polymer — This article is about bulk applications of conductive polymers. For single molecule electronics, see Molecular scale electronics. Chemical structures of some conductive polymers. From top left clockwise: polyacetylene; polyphenylene vinylene;… …   Wikipedia


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