Pioneering investigators 2019
This themed issue of Polymer Chemistry highlights the work of pioneering investigators in the polymer chemistry field. Associate Editors Emily Pentzer and Holger Frey introduce the issue.
Layer-by-layer assembly of nanofilms to control cell functions
Control of cell functions by layer-by-layer assembly has a great challenge in tissue engineering and biomedical applications. We summarize current hot approaches in this review.
Functional protein materials: beyond elastomeric and structural proteins
In the past two decades researchers have shown great interest in mimicking biological structures and their complex structure–property relationships. Herein we highlight examples of hydrogels and bioelectronic materials that illustrate the rational design of material properties and function.
Polymer brush interfaces for protein biosensing prepared by surface-initiated controlled radical polymerization
This article discusses protein-binding polymer brushes and the various strategies that can be used to immobilize proteins on these films.
Recent advances in colloidal nanocomposite design via heterogeneous polymerization techniques
Recent advances in colloidal nanocomposite design by heterogeneous polymerization are reviewed, with a specific focus on encapsulation and particle-based stabilization for specific materials applications.
Multi-stimuli responsive trigger for temporally controlled depolymerization of self-immolative polymers
The design and development of a multi-stimuli trigger enables temporal control over trigger cleavage and subsequent depolymerization of self-immolative polymer.
Improved malleability of miniemulsion-based vitrimers through in situ generation of carboxylate surfactants
Vitrimer particles with excellent osmotic and hydrolytic stability were synthesized by miniemulsion polymerization thanks to in situ generation of surfactants.
Ring-opening metathesis polymerization-induced self-assembly (ROMPISA) of a cisplatin analogue for high drug-loaded nanoparticles
We report the one-pot aqueous phase synthesis of cisplatin drug loaded micellar nanoparticles using Ring-Opening Metathesis Polymerization-Induced Self-Assembly (ROMPISA).
Self-amplified depolymerization of oligo(thiourethanes) for the release of COS/H2S
Herein we report the self-amplified depolymerization of an aryl oligo(thiourethane) (OTU) for the release of COS/H2S.
Site-specific conjugation of antifreeze proteins onto polymer-stabilized nanoparticles
Antifreeze proteins are site-specifically conjugated onto polymer-stabilised gold nanoparticles, resulting in hybrid materials capable of modulating ice growth processes.
Integration of metal-free ring-opening metathesis polymerization and organocatalyzed ring-opening polymerization through a bifunctional initiator
We demonstrate the first integration of metal-free ROMP and organocatalyzed ROP to provide entirely metal-free syntheses of block copolymers.
A fluorescent pillarene coordination polymer
A fluorescent pillarene-based coordination polymer was constructed from dicarboxylic acid-functionalized copillararene and Cr3+, for sensing of Fe3+, acetone, and nitrophenols.
Copper-based ionic liquid-catalyzed click polymerization of diazides and diynes toward functional polytriazoles for sensing applications
An efficient copper-based ionic liquid-catalyzed azide–alkyne click polymerization was developed, and functional polytriazoles were produced which could be used as sensors.
Rate-based approach for controlling the mechanical properties of ‘thiol–ene’ hydrogels formed with visible light
Visible light was used as a tool to control hydrogel mechanical properties via defect formation, and subsequently dangling end defects generated with this approach were reacted for temporal stiffening.
Bottom-up design of model network elastomers and hydrogels from precise star polymers
Well-defined high-molecular weight star polymers based on low-Tg water-soluble polymers enable bottom-up design of model network elastomers and functional hydrogels.
Accelerated hydrolytic degradation of ester-containing biobased epoxy resins
Biobased epoxy resins, derived from lignin, phenolic acids, and vegetable oils, exhibited rapid degradation through hydrolysis in basic solution.
Hierarchical patterns with sub-20 nm pattern fidelity via block copolymer self-assembly and soft nanotransfer printing
We describe the development of a technique to transfer micrometer patterns of organic thin films with sub-50 nm edge resolution and sub-20 nm pattern fidelity.
Mechanically robust photodegradable gelatin hydrogels for 3D cell culture and in situ mechanical modification
Highly conjugated, hydrophobically modified gelatin hydrogels were synthesized, polymerized and degraded with orthogonal wavelengths of light.
Surface modification of self-assembled isoporous polymer membranes for pressure-dependent high-resolution separation
Polymer membranes with narrow pore size distribution demonstrate great performance in high-resolution and high-efficiency separation.
Cooperative supramolecular polymerization of phosphorescent alkynyl-gold(I)–isocyanide complexes
In this work, coil–rod–coil organogold(I) complexes have been successfully assembled into supramolecular polymers with green phosphorescent emission signal.
Shape modulation of squaramide-based supramolecular polymer nanoparticles
We report the synthesis and self-assembly of a library of squaramide-based bolaamphiphiles with variable hydrophobic and hydrophilic domain sizes to understand their effect on the formation of supramolecular polymer nanoparticles.
Tuning photosensitized singlet oxygen production from microgels synthesized by polymerization in aqueous dispersed media
Miniemulsion copolymerization of vinyl acetate, N-vinylcaprolactam, vinyl benzyl Rose Bengal and divinyl adipate to synthesize switchable photosensitizer-grafted polymer colloids for interfacial photooxygenation reactions.
Structure and luminescence properties of supramolecular polymers of amphiphilic aromatic thioether–peptide conjugates in water
We present the preparation of luminophore–peptide conjugates that self-assemble into phosphorescent supramolecular polymers in neutral buffer.
Topochemical polymerization of hierarchically ordered diacetylene monomers within the block copolymer domains
Effect of annealing conditions on the hierarchical ordering of PCDA monomers within the block copolymer supramolecules and their subsequent topochemical polymerization.
Spatial control of the topography of photo-sensitive block copolymer thin films
Spatially controlling self-assembly of block copolymer thin films through photoinduced molecular interactions that significantly impact on the glass transition temperature.
Self-assembly of oppositely charged polyelectrolyte block copolymers containing short thermoresponsive blocks
The assembly of oppositely charged block copolymers, containing small thermoresponsive moieties, was investigated as a function of salt concentration and temperature.
Transformation of polyethylene into a vitrimer by nitroxide radical coupling of a bis-dioxaborolane
This work reports the synthesis and characterization of HDPE vitrimers obtained via reactive extrusion in the presence of bis-nitroxide dioxaborolanes.
Ferulic acid-based reactive core–shell latex by seeded emulsion polymerization
A recently revisited biobased styrenic monomer, acetyl-protected 4-vinylguaiacol (AC4VG), was used for the synthesis of partially biobased, functional core–shell polymers.
Selective or living organopolymerization of a six-five bicyclic lactone to produce fully recyclable polyesters
A ring-fused γ-butyrolactone can be selectively ring-open polymerized at room temperature by N-heterocyclic carbenes to cyclic polyester or by bifunctional (thio)urea and base pairs in a living fashion to high molecular weight linear polyester that can be organocatalytically and quantitatively recycled at 120 °C.
Transition metal-free thiol–yne click polymerization toward Z-stereoregular poly(vinylene sulfide)s
An efficient K3PO4-mediated thiol–yne click polymerization was established, and regio- and stereoregular poly(vinylene sulfide)s with Z-isomers were produced.
The effect of chain architecture on the phase behavior of A4B4 miktoarm block copolymers
Well-defined miktoarm (polystyrene)4-(polylactic acid)4 ((PS)4-(PLA)4) block copolymers were synthesized and their phase behaviors were compared with linear PS-b-PLA block copolymers, in which the miktoarm architecture enhanced the phase segregation.
Design and synthesis of a dual imageable theranostic platinum prodrug for efficient cancer therapy
Platinum-based chemotherapeutic agents are considered first-line treatments for various cancers but their application is limited by the lack of site specificity and severe side effects.
Precision design of vinyl amine and vinyl alcohol-based copolymers via cobalt-mediated radical polymerization
Controlling the amount and the distribution of vinyl amine and vinyl alcohol units within a copolymer is attractive to modulate the properties of the parent major industrial homopolymers, i.e. poly(vinyl amine) and poly(vinyl alcohol).
Understanding the ring-opening polymerisation of dioxolanones
Eliminating small molecules from dioxolane rings affords isotactic poly(mandelic acid), with competing chain transfer overcome through dynamic vacuum polymerisation.
Metal–organic insertion light initiated radical (MILRad) polymerization: photo-initiated radical polymerization of vinyl polar monomers with various palladium diimine catalysts
The photoinitiated radical polymerization pathway of MILRad polymerization towards its ability to polymerize a variety of vinyl polar functional monomers is investigated.
Synthesis and crystallization behavior of regioregular-block-regiorandom poly(3-hexylthiophene) copolymers
Regioregular–regiorandom poly(3-hexylthiophene) copolymers, synthesized by chain-transfer polycondensation, show strong crystallinity due to their one-sided distribution of regiodefects.
Evolution of diverse higher-order membrane structures of block copolymer vesicles
An evolutionary route to polymer vesicles with diverse higher-order membrane structures has been discovered.
Polyampholytic graft copolymers based on polydehydroalanine (PDha) – synthesis, solution behavior and application as dispersants for carbon nanotubes
We herein introduce a versatile platform of graft copolymers featuring a polyampholytic backbone and side chains of varying length and polarity using post-polymerization modification of polydehydroalanine (PDha).
Correction: Polyampholytic graft copolymers based on polydehydroalanine (PDha) – synthesis, solution behavior and application as dispersants for carbon nanotubes
About this collection
Polymer Chemistry is proud to present this 2019 Pioneering Investigators collection. This collection gathers the very best work from mid-career researchers who have firmly established themselves in the field of polymer chemistry and continuously publish creative, innovative work. The 2019 Polymer Chemistry Pioneering Investigators were individually nominated by members of the journal Editorial and Advisory Boards, and previous Pioneering Investigators, in recognition of their achievements as pioneers of the field.
Accompanying this collection is the Pioneering Investigators special issue, in which these articles will be formally published. This issue is scheduled for publication in mid 2019.