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02946nmm a2200349 u 4500 |
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EBX01000000000000000509866 |
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140122 ||| eng |
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|a 9783540458067
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|a Davis, Kelly A.
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|a Statistical, Gradient, Block and Graft Copolymers by Controlled/Living Radical Polymerizations
|h Elektronische Ressource
|c by Kelly A. Davis, Krzysztof Matyjaszewski
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| 250 |
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|a 1st ed. 2002
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| 260 |
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|a Berlin, Heidelberg
|b Springer Berlin Heidelberg
|c 2002, 2002
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| 300 |
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|a XII, 192 p
|b online resource
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| 505 |
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|a Statistical, Gradient, Block, and Graft Copolymers by Controlled/Living Radical Polymerizations -- Statistical Copolymers -- Linear Block Copolymers -- Other Chain Architectures -- Overall Summary
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| 653 |
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|a Physical chemistry
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| 653 |
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|a Condensed Matter Physics
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| 653 |
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|a Polymers
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| 653 |
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|a Analytical chemistry
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| 653 |
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|a Physical Chemistry
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| 653 |
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|a Analytical Chemistry
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| 653 |
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|a Condensed matter
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| 700 |
1 |
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|a Matyjaszewski, Krzysztof
|e [author]
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|a eng
|2 ISO 639-2
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| 989 |
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|b SBA
|a Springer Book Archives -2004
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| 490 |
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|a Advances in Polymer Science
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| 028 |
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|a 10.1007/3-540-45806-9
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| 856 |
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|u https://doi.org/10.1007/3-540-45806-9?nosfx=y
|x Verlag
|3 Volltext
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| 082 |
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|a 620.192
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| 520 |
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|a The design and the realisation of well defined polymer architectures has become an important goal in macromolecular science. The prerequisite for achieving this goal is the availability of controlled polymerisation reactions. Living anionic polymerisation was the first reaction fulfilling these requirements. Cationic polymerisation only came into play when it was realised that it was possible to create an equilibrium between active and dormant species with the fraction of the dormant species being far superior to that of active ones. A corresponding principle applies to controlled radical polymerisation per formed in quite a number of modes such as nitroxide mediated polymerisation (NMP), atom transfer radical polymerisation (ATRP), reversible addition frag mentation chain transfer (RAFT) or catalytic chain transfer (CCT) reactions. All of these variants of controlled radical polymerisation lead to well defined archi tectures with the particular advantage that a much larger number of monomers are suitable and the reaction conditions are much less demanding than those of living ionic polymerisation reactions. Although in controlled radical polymerisation, termination reactions cannot be excluded completely, they are limited in their extent and consequently the mol ecular weight is controlled, the polydispersity index is small and functionalities can be attached to the macromolecules. These features are indicative of the real isation of well defined polymer architectures such as block copolymers, star shaped and comb shaped copolymers
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