Norbornadiene Chain-End Functional Polymers as Stable, Readily Available Precursors to Cyclopentadiene Derivatives.
Sign Up to like & getrecommendations! Published in 2020 at "Macromolecules"
DOI: 10.1021/acs.macromol.0c00967
Abstract: A novel method for facile postpolymerization functionalization of synthetic polymers using terminal norbornadiene (NBD) building blocks is presented. Incorporation of the NBD functionality streamlines the synthesis of a wide array of block polymers utilizing multistep… read more here.
Keywords: chain end; chain; functional polymers; polymers stable ... See more keywords
Chain-End Modification: A Starting Point for Controlling Polymer Crystal Nucleation
Sign Up to like & getrecommendations! Published in 2021 at "Macromolecules"
DOI: 10.1021/acs.macromol.0c02398
Abstract: This computational study illustrates how modifying the end groups of polymer chains offers a viable strategy to control polymer crystal nucleation in entangled melts. More specifically, altering ch... read more here.
Keywords: modification starting; chain end; polymer crystal; crystal nucleation ... See more keywords
The Role of Chain-End Association Lifetime in Segmental and Chain Dynamics of Telechelic Polymers
Sign Up to like & getrecommendations! Published in 2018 at "Macromolecules"
DOI: 10.1021/acs.macromol.8b01210
Abstract: Broadband dielectric spectroscopy, differential scanning calorimetry, and rheology were employed to study the impact of hydrogen (H)-bonding end-groups on segmental and chain dynamics of telechelic polypropylene glycol (PPG) and poly(dimethylsiloxane) (PDMS). Polymer chains with three… read more here.
Keywords: chain; chain end; dynamics telechelic; end ... See more keywords
Synthesis of Loop Poly(Methyl Methacrylate) Brushes via Chain-End Postpolymerization Modification
Sign Up to like & getrecommendations! Published in 2019 at "Macromolecules"
DOI: 10.1021/acs.macromol.9b01527
Abstract: Polymer brushes are typically densely grafted assemblies of polymer chains that are tethered via one end group to a solid substrate. Anchoring linear polymer chains via both end groups to a surface results in loop-type… read more here.
Keywords: chain end; end; polymer brushes; polymer ... See more keywords
Efficient and Facile End Group Control of Living Ring-Opening Metathesis Polymers via Single Addition of Functional Cyclopropenes
Sign Up to like & getrecommendations! Published in 2018 at "ACS Macro Letters"
DOI: 10.1021/acsmacrolett.8b00347
Abstract: Living ROMP has become an important technique for preparing well-controlled, highly functional polymers; however, installing functional groups at the end of living ROMP polymers is not as straightforward as ROMP itself. We report a simple,… read more here.
Keywords: chain end; addition; end; single addition ... See more keywords
Polymethylene Brushes via Surface-Initiated C1 Polyhomologation.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c09187
Abstract: Surface-initiated polymerization reactions are a powerful tool to generate chain-end-tethered polymer brushes. This report presents a synthetic strategy that gives access to structurally well-defined hydrocarbon polymer brushes of controlled molecular weights, which can be further… read more here.
Keywords: chain end; surface initiated; initiated polyhomologation; surface ... See more keywords
Solvent-Selective Reactions of Alkyl Iodide with Sodium Azide for Radical Generation and Azide Substitution and Their Application to One-Pot Synthesis of Chain-End-Functionalized Polymers.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.7b05879
Abstract: Herein, a new reaction of an alkyl iodide (R-I) with an azide anion (N3-) to reversibly generate the corresponding alkyl radical (R•) is reported. Via this new reaction, N3- was used as an efficient catalyst… read more here.
Keywords: chain end; pot; pot synthesis; one pot ... See more keywords
Diels–Alder cycloaddition and RAFT chain end functionality: an elegant route to fullerene end-capped polymers with control over molecular mass and architecture
Sign Up to like & getrecommendations! Published in 2017 at "Polymer Chemistry"
DOI: 10.1039/c7py00394c
Abstract: Fullerene C60 functionalised polymers (FFPs) have found numerous applications from photovoltaic devices to materials for photodynamic therapy. Polymer end-capping is one way to fabricate FFPs since it provides enhanced control over the macromolecular architecture and… read more here.
Keywords: chain end; diels alder; raft; end ... See more keywords
Preparation and in situ chain-end-functionalization of branched ethylene oligomers by monosubstituted α-diimine nickel catalysts
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DOI: 10.1039/c9py00433e
Abstract: Chain-end-functionalization of (highly) branched ethylene oligomers was achieved in situ with the most/least bulky α-diimine nickel catalysts for the first time. read more here.
Keywords: chain end; nickel catalysts; end functionalization; diimine nickel ... See more keywords
Preparation and property investigation of chain end functionalized cis-1,4 polybutadienes via de-polymerization and cross metathesis of cis-1,4 polybutadienes
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DOI: 10.1039/c9py00485h
Abstract: The end-functional cis-1,4 polybutadiene displayed improved thermal stability and mechanistic properties. read more here.
Keywords: investigation chain; preparation property; chain end; cis polybutadienes ... See more keywords
Synthesis of block copolymers using poly(methyl methacrylate) with unsaturated chain end through kinetic studies
Sign Up to like & getrecommendations! Published in 2019 at "Polymer Chemistry"
DOI: 10.1039/c9py01367a
Abstract: Kinetic studies aided the controlled synthesis of PMMA block copolymers and PMMA branched copolymers from a PMMA containing an unsaturated chain end. read more here.
Keywords: block copolymers; chain end; unsaturated chain; kinetic studies ... See more keywords