syndiotactic polymers


syndiotactic polymers
синдиотактические полимеры m pl

English-russian plastics terminology dictionary. 2013.

Смотреть что такое "syndiotactic polymers" в других словарях:

  • 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

  • Crystallization of polymers — Spherulites viewed between crossed polarizers in an optical microscope. Crystallization of polymers is a process associated with partial alignment of their molecular chains. These chains fold together and form ordered regions called lamellae,… …   Wikipedia

  • Tacticity — (from Greek taktikos : of or relating to arrangement or order) is the relative stereochemistry of adjacent chiral centers within a macromolecule [ Introduction to polymers R.J. Young ISBN 0412221705 ] . The practical significance of tacticity… …   Wikipedia

  • Ziegler–Natta catalyst — A Ziegler–Natta catalyst is a catalyst used in the synthesis of polymers of 1 alkenes (α olefins). Three types of Ziegler–Natta catalysts are currently employed: Solid and supported catalysts based on titanium compounds. They are used in… …   Wikipedia

  • Ziegler-Natta catalyst — A Ziegler Natta catalyst is a reagent or a mixture of reagents used in the production of polymers of 1 alkenes (α olefins). Ziegler Natta catalysts are typically based on titanium compounds and organometallic aluminium compounds, for example… …   Wikipedia

  • Enantiomer self-disproportionation — is a process in stereochemistry describing the separation of a non racemic mixture of enantiomers in an enantioenriched fraction and a more racemic fraction as a result of the formation of heterochiral or homochiral aggregates. This process is… …   Wikipedia

  • Polystyrene — For other uses, see Polystyrene (disambiguation). Expanded polystyrene packaging …   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

  • Coordination polymerization — is a form of addition polymerization in which monomer adds to a growing macromolecule through an organometallic active center [1] [2]. The development of this polymerization technique started in the 1950s with heterogeneous Ziegler Natta… …   Wikipedia

  • Polypropylene — Chembox new Name = Polypropylene ImageFile = Polypropylen.svg ImageSize = 100px ImageName = Polypropylene IUPACName = poly(propene) OtherNames = Polypropylene; Polypropene; Polipropene 25 [USAN] ;Propene polymers; Propylene polymers; 1 Propene… …   Wikipedia

  • catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… …   Universalium

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