stereoregularity
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stereoregularity — noun see stereoregular … New Collegiate Dictionary
stereoregularity — /ster ee oh reg yeuh lar i tee, stear /, n. Chem. (of a polymer) the degree to which successive configurations in space along the chain follow a simple rule. Also called tacticity. Cf. configuration (def. 4). [1955 60; STEREO + REGULARITY] * * * … Universalium
stereoregularity — stereo·regularity … English syllables
stereoregularity — noun see stereoregular * * * /ster ee oh reg yeuh lar i tee, stear /, n. Chem. (of a polymer) the degree to which successive configurations in space along the chain follow a simple rule. Also called tacticity. Cf. configuration (def. 4). [1955… … Useful english dictionary
Cossee-Arlman mechanism — The Cossee Arlman mechanism in polymer chemistry is the main pathway for the formation of C C bonds in the polymerization of alkenes. The mechanism features an intermediate coordination complex that contains both the growing polymer chain and the … 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
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
stereoregular — adjective Date: 1958 of, relating to, or involving stereochemical regularity in the repeating units of a polymeric structure • stereoregularity noun … New Collegiate Dictionary
tacticity — /tak tis i tee/, n. Chem. stereoregularity. [1955 60; TACTIC + ITY] * * * … Universalium
Cold rubber — Cold rubber, or cold polymerized rubber, is synthetic rubber (especially, SBR and NBR) emulsion polymerized at a relatively low temperature. The polymerizing temperature is approximately 5℃ in the case of SBR and 5∼10℃ in the case of NBR. Since… … Wikipedia
