stereospecific polymer
1stereospecific polymer — noun A polymer that has a specific spatial arrangements of its constituent atoms, leading to an almost crystalline structure Syn: stereoregular polymer …
2stereospecific 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 …
3stereospecific synthesis — noun a) The synthesis of a specific, chosen stereoisomer b) The synthesis of a stereospecific polymer …
4stereospecific — stereospecificity /ster ee oh spes euh fis i tee, stear /, n. /ster ee oh speuh sif ik, stear /, adj. Chem. 1. (of a reaction) producing a simple stereoisomer. 2. (of a polymer) having a regular sequence of configurations in space along the chain …
5Ziegler–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… …
6Wittig reaction — The Wittig reaction is a chemical reaction of an aldehyde or ketone with a triphenyl phosphonium ylide (often called a Wittig reagent) to give an alkene and triphenylphosphine oxide. [cite journal author = Georg Wittig, Ulrich Schöllkopf journal …
7elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …
8Ziegler-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… …
9Kunststoff — Stäbchenmodell des Polypropylens, Kohlenstoff blau – Wasserstoff grau Als Kunststoff (organisches Polymer) (umgangssprachlich Plastik, Plast oder Plaste) bezeichnet man einen Festkörper, dessen Grundbestandteil synthetisch oder halbsynthetisch… …
10Polylactic acid — The skeletal formula of poly(lactic acid) Poly(lactic acid) or polylactide (PLA) is a thermoplastic aliphatic polyester derived from renewable resources, such as corn starch (in the United States), tapioca products (roots, chips or starch mostly… …
