stereoregularity
noun see stereoregular

New Collegiate Dictionary. 2001.

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  • 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 — noun The condition of being stereoregular …   Wiktionary

  • 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

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