chain polymerization

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• chain polymerization — grandininė polimerizacija statusas T sritis chemija apibrėžtis Grandininė reakcija tarp aktyviojo centro ir monomero, kurios metu susidaro makromolekulė. atitikmenys: angl. addition polymerization; chain polymerization rus. цепная полимеризация …   Chemijos terminų aiškinamasis žodynas

• condensative chain polymerization — kondensacinė grandininė polimerizacija statusas T sritis chemija apibrėžtis Grandininė polimerizacija atskylant mažamolekuliniams junginiams. atitikmenys: angl. condensative chain polymerization; polyelimination rus. конденсационная полимеризация …   Chemijos terminų aiškinamasis žodynas

• 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

• 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

• 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

• Polymerization — An example of alkene polymerization, in which each Styrene monomer unit s double bond reforms as a single bond with another styrene monomer and forms polystyrene. In polymer chemistry, polymerization is a process of reacting monomer molecules… …   Wikipedia

• Chain termination — For the DNA sequencing method, see DNA sequencing#Chain termination methods. Chain termination is any chemical reaction that ceases the formation of reactive intermediates in a chain propagation step in the course of a polymerization, effectively …   Wikipedia

• 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

• chain reaction — 1. Physics. a self sustaining reaction in which the fission of nuclei of one generation of nuclei produces particles that cause the fission of at least an equal number of nuclei of the succeeding generation. 2. Chem. a reaction that results in a… …   Universalium

• chain — 1. In chemistry, a series of atoms held together by one or more covalent bonds. 2. In bacteriology, a linear arrangement of living cells that have divided in one plane and remain attached to each other. 3. A series of reactions. 4. In anatomy, a… …   Medical dictionary