Living Polymerization
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In polymer chemistry, living polymerization is a form of addition polymerization where the ability of a growing polymer chain to terminate has been removed . This can be accomplished in a variety of ways. Chain termination and chain transfer reactions are absent and the rate of chain initiation is also much larger than the rate of chain propagation. The result is that the polymer chains grow at a more constant rate than seen in traditional chain polymerization and their lengths remain very similar (i.e. they have a very low polydispersity index). Living polymerization is a popular method for synthesizing block copolymers since the polymer can be synthesized in stages, each stage containing a different monomer. Additional advantages are predetermined molar mass and control over end-groups. Living polymerization in the literature is often called "living" polymerization or controlled polymerization. Living polymerization was demonstrated by Michael Szwarc in 1956 in the anionic polymerization of styrene with an alkali metal / naphthalene system in THF.
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GarantieWeitere Informationen
- Allgemeine Informationen
- GTIN 09786130299057
- Genre Chemie
- Editor Frederic P. Miller, Agnes F. Vandome, John McBrewster
- Sprache Englisch
- Anzahl Seiten 76
- Herausgeber Alphascript Publishing
- Größe H219mm x B149mm x T13mm
- Jahr 2010
- EAN 9786130299057
- Format Fachbuch
- ISBN 978-613-0-29905-7
- Titel Living Polymerization
- Untertitel Anionic addition polymerization, ATRP (chemistry), Polymer chemistry, Chain growth polymerisation, Polymer, Chain transfer, Polymerization, Copolymer, Monomer, Molar mass, Styrene, Alkali metal
- Gewicht 131g
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