[2+2] Photo-cycloadditions for polymer modification and surface decoration

[Display omitted] •[2+2] Cycloaddition reactions are efficient conjugation tools for precision polymer design.•By using flow chemistry, reaction rates can be significantly accelerated.•Polymer modification as well as surface ligation is accessible via [2+2]. Photo-induced reactions play an important...

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Veröffentlicht in:European polymer journal Jg. 62; S. 273 - 280
1. Verfasser: Junkers, Tanja
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Elsevier Ltd 01.01.2015
Schlagworte:
2+2
Conversion
Crosslinking
Cycloaddition
Decoration
Photochemistry
Photocycloaddition
Polymer chemistry
Polymer modification
Surface modification
Surface patterning
Temporal logic
Transformations
Surface modification
2+2
Surface patterning
Photocycloaddition
Polymer modification
ISSN:0014-3057, 1873-1945
Online-Zugang:Volltext
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Zusammenfassung:[Display omitted] •[2+2] Cycloaddition reactions are efficient conjugation tools for precision polymer design.•By using flow chemistry, reaction rates can be significantly accelerated.•Polymer modification as well as surface ligation is accessible via [2+2]. Photo-induced reactions play an important role in precision polymer design. Photoreactions are often cost-effective reactions that proceed under relatively mild reaction conditions. Additionally, photo reactions add spatial and temporal control over reactions, which gives rise to a large number of applications that would otherwise be inaccessible. Among the various photochemistries available, [2+2] cycloadditions are a prominent example for effective conversions. In the field of polymer chemistry, such reactions are often used for crosslinking. If reaction conditions are chosen carefully, they can, however, also be employed for advanced polymer transformations, such as polymer endgroup modification or specific ligation to substrates. Especially when applying flow chemistry approaches, very high reaction efficiencies are gained, bringing [2+2] cycloadditions close in use to other well known click-like techniques such as thiol–ene chemistry.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0014-3057
1873-1945
DOI:10.1016/j.eurpolymj.2014.08.005