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
syndiotactic — /ˌsɪndioʊˈtæktɪk/ (say .sindeeoh taktik) adjective (of a polymer) having substituent groups or atoms located on alternating sides of the backbone of a polymer chain. {Greek syndyo two together + tactic} …
syndiotactic — syndiotacticity /sin duy oh tak tis i tee, sin duy /, n. /sin duy oh tak tik, sin duy /, adj. Chem. (of a polymer molecule) having a regular alternation of opposite configurations at successive regularly spaced positions along the chain. Cf.… … Universalium
stereospecific polymer — /ˌstɛrioʊspəˌsɪfɪk ˈpɒləmə/ (say .stereeohspuh.sifik poluhmuh), /ˌstɪə / (say .stear ) noun a polymer whose molecular structure has a definite, regular spatial arrangement, in contrast to an atactic polymer. See isotactic, syndiotactic …
синдиотактический полимер — Syndiotactic Polymer Синдиотактический полимер Полимер, заместители R в основной цепи макромолекул (–CH2–CHR–)n которого расположены строго очередно по одну и другую стороны от плоскости цепи … Толковый англо-русский словарь по нанотехнологии. - М.
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
disyndiotactic — adjective Describing a syndiotactic polymer that contains two chiral atoms in each repeat unit … Wiktionary
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