Themed collection Polymer Chemistry Recent HOT Articles
The signal-to-noise issue in mass spectrometric analysis of polymers
Mass spectrometric approaches to polymer analysis become increasingly ineffective as average molecular weight increases. This perspective explains these fundamental limits of MS for determining molecular weight distribution of high polymers.
Substituted polynorbornene membranes: a modular template for targeted gas separations
This perspective focuses on substituted polynorbornenes as a promising modular platform to access advanced gas separation membranes, and highlights their synthetic versatility and robust performance.
Chemical conjugation of nucleic acid aptamers and synthetic polymers
This minireview describes the synthesis, characterization and properties of aptamer–polymer conjugates. This new class of polymer bioconjugates combines the advantages of synthetic polymers and folded nucleic acids.
Synthesis of telechelic polyolefins
A comprehensive review of all the methodologies developed for the synthesis of telechelic polyolefins is reported.
Research progress of environmentally friendly marine antifouling coatings
The antifouling mechanisms and research progress in the past three years of environmentally friendly marine antifouling coatings are introduced in this work.
Non-thermally initiated RAFT polymerization-induced self-assembly
This review summarizes the recent non-thermal initiation methods in RAFT mediated polymerization-induced self-assembly (PISA), including photo-, redox/oscillatory reaction-, enzyme- and ultrasound wave-initiation.
1,2,3-Triazole-based sequence-defined oligomers and polymers
This review offers a summary on the advances in the construction of 1,2,3-triazole-based sequence-defined oligomers and polymers through MAAC-based ISG or IEG strategies.
Stress-responsive properties of metallocenes in metallopolymers
This review article combines the field of metallopolymers and stress-responsiveness on a molecular level, namely, metallocenes, as emerging stress-responsive building blocks for materials.
Mediating covalent crosslinking of single-chain nanoparticles through solvophobicity in organic solvents
The photoinduced intrachain crosslinking of coumarin-containing copolymers in various organic solvents was mediated through the solvophobic effect, providing control over the reaction rate and the compaction of the final single-chain nanoparticles.
First polyallene-based well-defined amphiphilic diblock copolymer via RAFT polymerization
We report the first well-defined amphiphilic diblock copolymer via allene and vinyl monomers.
Ring opening polymerization of ε-caprolactone through water
Ring opening polymerization (ROP) through water is used to synthesize biodegradable polymers such as polycaprolactone (PCL).
Substituent effects in iniferter photopolymerization: can bond homolysis be enhanced by electronics?
Substituent effects on the dithiobenzoate moiety of RAFT iniferters are investigated. Donating groups accelerate the iniferter process, while withdrawing groups slow it. The unique efficiency of the methoxydithiobenzoate iniferter was uncovered.
Synthesis of novel polyethers with abundant reactive sites and diverse skeletons based on the ring-opening reaction of D–A cyclopropanes
Based on the ring-opening reaction of D–A cyclopropanes, a facile synthesis of novel polyethers is developed with molecular weights up to 17.7 kg mol−1.
Tailoring polymer dispersity by mixing chain transfer agents in PET-RAFT polymerization
Here we report a simple and versatile batch methodology to tailor polymer dispersity utilizing PET-RAFT polymerization.
Synthesis of terpyridine-containing polycarbonates with post polymerization providing water-soluble and micellar polymers and their metal complexes
Carbon dioxide based polymers synthesized from the metal-catalysed copolymeriation of epoxides and CO2 containing the terpyridine ligand as an end group are reported.
Reversible polycondensations outside the Jacobson–Stockmayer theory and a new concept of reversible polycondensations
Reversible polycondensations exist involving intermolecular transesterification in the absence of back-biting, which may be understood as part of a so-called ‘polycondensation triangle’ based on the definition of three polycondensation classes.
Polyesters with bio-based ferulic acid units: crosslinking paves the way to property consolidation
A bio-based ferulic acid monomer is inserted in random terpolyesters with high molar mass and offers the possibility of crosslinking after processing. Both ferulate monomer and solvent-free polycondensation make the new materials more sustainable.
Green light LED activated ligation of a scalable, versatile chalcone chromophore
Herein we present a photoreactive chalcone moiety that can be synthesized at a scale of several grams with ease, and can efficiently undergo a [2 + 2] photocycloaddition with light close to 500 nm as determined by an action plot.
Extremely tough and healable elastomer realized via reducing the crystallinity of its rigid domain
We propose a new concept, called “toughening the rigidity”, for the field of self-healing materials.
Crystallization and self-assembly of shape-complementary sequence-defined peptoids
Shape complementarity between polymers is a hallmark of biological systems (e.g. DNA base pairing and protein binding interactions). Here we explore the role of shape complementarity between sequence-defined N-alkyl peptoids in crystal lattices.
The effect of THF and the chelating modifier DTHFP on the copolymerisation of β-myrcene and styrene: kinetics, microstructures, morphologies, and mechanical properties
Polar modifiers strongly affect the statistical anionic copolymerization of biobased β-myrcene with styrene, leading to a variety of morphologies.
The effect of chiral end groups on the assembly of supramolecular polyurethanes
We describe the generation of supramolecular polyurethanes and the positive effect that chirality has upon the physical properties of these materials.
UV-curable hyperbranched poly(ester-co-vinyl) by radical ring-opening copolymerization for antifouling coatings
UV-curable hyperbranched poly(ester-co-vinyl) has been prepared by radical ring-opening copolymerization of cyclic monomers and vinyl monomers, and it exhibits tunable degradation and fouling resistance.
A fluoropolymer with a low dielectric constant at a high frequency derived from bio-based anethole
The copolymerization between a fluoro-containing monomer derived from bio-based anethole and a benzocyclobutene (BCB)-containing monomer gave a polymer with good dielectric properties and low water uptake.
Does the oxa-Michael reaction of 2-trifluoromethacrylic acid lead to fluorinated polyesters?
2-Trifluoromethacrylic acid (MAF) is a peculiar fluorinated functional monomer.
Practical phosphorylation of polymers: an easy access to fully alcohol soluble synthetically and industrially important polymers
A simple method for the phosphorylation of synthetically and industrially important polymers is introduced to the polymer community.
Sequence-defined oligoampholytes using hydrolytically stable vinyl sulfonamides: design and UCST behaviour
Water soluble sequence-defined oligoampholytes with precisely positioned charges were synthesised via an iterative solid-phase synthesis protocol using vinyl sulfonamide and acrylate building blocks.
Hierarchical ordering and multilayer structure of poly(ε-caprolactone) end-functionalized by a liquid crystalline unit: role of polymer crystallization
This study elucidates the role of polymer crystallization in the structural organization of LC end-functionalized polymers and offers a potential method to tune the hierarchical structures of end-functionalized polymers.
Encapsulation of inorganic nanoparticles in a block copolymer vesicle wall driven by the interfacial instability of emulsion droplets
We proposed an effective route, i.e., three-dimensional confined co-assembly of block copolymers and inorganic nanoparticles, to efficiently encapsulate high-density and large-size nanoparticles into the wall of polymeric vesicles.
Hydrogen sulfide-activatable prodrug-backboned block copolymer micelles for delivery of chemotherapeutics
A novel hydrogen sulfide-activatable block copolymer prodrug with high tumor specificity was developed for cancer chemotherapy.
Novel imino- and aryl-sulfonate based photoacid generators for the cationic ring-opening polymerization of ε-caprolactone
The use of photoacid generators for the ring opening polymerization of cyclic esters is investigated.
Stereoselective ring-opening polymerization of functional β-lactones: influence of the exocyclic side-group
Polyhydroxyalkanoates (PHAs) are a unique class of polyesters especially due to their chemical diversity imparted by their side-chain substituent that provides a handle to tune their properties, such as their thermal, mechanical and (bio)degradability signature.
POSS-based starlike hybrid helical poly(phenyl isocyanide)s: their synthesis, self-assembly, and enantioselective crystallization ability
Well-defined starlike hybrid helical poly(phenyl isocyanide)s with POSS cores were designed and synthesized, and their self-assembly behaviour and enantioselective crystallization ability were investigated.
Shining a new light on the structure of polyurea/polyurethane materials
Polyurea and polyurethane are widely used in coatings, foams, and micro- and nanocapsules. Investigations of the polymers structure indicate that a significant amount of hydrolyzed isocyanate is incorporated in the macromolecular backbone.
Amine-containing diblock terpolymers via AROP: a versatile method for the generation of multifunctional micelles
We herein report the synthesis and block copolymerization via AROP of three glycidyl amine species (PiGA; OPGA, and MPGA) with different hydrophobicity. Micelles formed from these block copolymers respond to changes in pH and H2O2 concentration.
Synthesis of well-defined diblock copolymer nano-objects by RAFT non-aqueous emulsion polymerization of N-(2-acryloyloxy)ethyl pyrrolidone in non-polar media
RAFT non-aqueous emulsion polymerization of N-(2-acryloyloxy)ethyl pyrrolidone in n-dodecane using a poly(stearyl methacrylate) precursor is used to prepare sterically-stabilized nanoparticles, which are evaluated as a putative Pickering emulsifier.
Cyanate ester resins toughened with epoxy-terminated and fluorine-containing polyaryletherketone
A novel epoxy-terminated and fluorine-containing polyaryletherketone modified bisphenol A dicyanate ester resin showed significantly improved comprehensive properties.
Polymerizability of exomethylene monomers based on adamantyl frameworks
We evaluated the polymerizability of novel exomethylene monomers based on an adamantyl skeleton, 2-methyleneadamantane (MAd) and 2-allylideneadamantane (AAd), under anionic, cationic, and radical conditions.
Enhancing and toughening plant oil-based polymeric materials through synergetic supramolecular and covalent interactions by introducing nucleobase-functionalized celluloses
Renewable plant oil-based polymeric materials were enhanced and toughened through complementary H-bonding interactions by introducing nucleobase-functionalized celluloses.
NIR-responsive metal-containing polymer hydrogel for light-controlled microvalve
NIR-responsive metal-containing polymer hydrogel was prepared via the radical copolymerization of N-isopropylacrylamide and an osmium aromatic complex. It has excellent photothermal property and can be used as a light-controlled microvalve.
Diselenide–yne polymerization for multifunctional selenium-containing hyperbranched polymers
Diselenide–yne polymerization for multifunctional selenium-containing hyperbranched polymers.
Multivariate covalent organic frameworks boosting photocatalytic hydrogen evolution
High-quality multivariate COFs were synthesized with an aminocatalytic solvothermal method. They can achieve higher photocatalytic H2 evolution rates than the parent homo-COFs by adjusting the benzothiadiazole-containing components.
Photo-directing chemoepitaxy: the versatility of poly(aryl methacrylate) films in tuning block copolymer wetting
UV irradiated poly(aryl methacrylate) films can induce a change in the orientation of the domains of an overlayer of PS-b-PMMA from parallel to perpendicular lamellar structures.
Efficient ternary catalyst system for the copolymerization of lactide, epoxides and CO2: new insights into the cooperative mechanism
Ternary catalyst systems (TCSs) are an emerging type of catalyst for the synthesis of multiblock copolymers of lactide (LA), epoxides and CO2.
Photoresponsive glyco-nanostructures integrated from supramolecular metallocarbohydrates for the reversible capture and release of lectins
Photo-controllable capture and release of proteins by glyco-nanostructures.
Fabrication of reversible pH-responsive aggregation-induced emission luminogens assisted by a block copolymer via a dynamic covalent bond
Aggregated induced emission (AIE) molecules with stimuli-responsive properties have attracted increasing attention for many applications.
Physiologically relevant pH- and temperature-responsive polypeptide hydrogels with adhesive properties
Physiologically relevant pH- and temperature-responsive polypeptide hydrogels with adhesive properties were developed and characterized.
Reprocessable covalent adaptable networks with excellent elevated-temperature creep resistance: facilitation by dynamic, dissociative bis(hindered amino) disulfide bonds
BiTEMPS dynamic chemistry offers a simple method to prepare reprocessable polymer networks with excellent long-term creep resistance at elevated temperatures and full recovery of cross-link density after recycling.
Understanding the effects of nucleophiles in fast living cationic polymerisation of isobutyl vinyl ether in a microflow system from stability and activity of propagating chains
Achieving precise determination and DFT calculation on carbocation activity and stability towards fast living polymerisation.
Terpenoid-derived conjugated dienes with exo-methylene and a 6-membered ring: high cationic reactivity, regioselective living cationic polymerization, and random and block copolymerization with vinyl ethers
Biobased exo-methylene-conjugated dienes underwent regioselective living cationic polymerization to result in well-defined homo- and copolymers with good thermal properties.
A supramolecular polymer with ultra-stretchable, notch-insensitive, rapid self-healing and adhesive properties
Supramolecular elastomers, possessing excellent mechanical, reusable adhesivity, and rapid self-healing properties, are essential for use in various applications.
Templated approach to well-defined, oxidatively coupled conjugated polymers
Templated oxidative polymerization affords organic soluble, oxidatively doped PEDOT-based polymers with controlled molecular weights and low dispersities (Đ ∼ 1.2) for the first time.
Forced gradient copolymerisation: a simplified approach for polymerisation-induced self-assembly
In this work, a novel and versatile gradient copolymerisation approach to simplify polymeric nanoparticle synthesis through polymerisation-induced self-assembly (PISA) is reported.
Highly syndioselective coordination (co)polymerization of vinyl heteroaromatic monomers using rare-earth-metal complexes
This paper demonstrates the coordination polymerization of vinylbenzothiophene and its copolymerization with styrene with high activity and perfect syndioselectivity to give high molecular weight products by using rare-earth-metal precursors.
Self-assembly of rod-coil block copolymers on a substrate into micrometer-scale ordered stripe nanopatterns
Micrometer-scale ordered stripe nanopatterns are readily constructed through an adsorption-assembly of rod-coil block copolymers on the substrate.
One-component rapid Norrish Type II photoinitiation of bulk photo-CuAAC polymer networks
A one-component photoinitiation scheme was devised utilizing amine-centered trialkyne monomers for the formation of bulk photo-CuAAC polymer networks. The novel monomers maintain rapid polymerization kinetics and allow for tuning of the Tg.
Cubic POSS engineering of photosensitizer-doped semiconducting polymer nanoparticles for enhanced fluorescence imaging and amplified photodynamic therapy
PorPOSSC12 -doped semiconducting polymer nanoparticles with simultaneously enhanced fluorescence brightness and amplified singlet oxygen generation ability were designed for imaging-guided photodynamic therapy.
Time-dependent covalent network formation in extrudable hydrogels
Shear-thinning hydrogels that utilize thiol-Michael chain-extension and free radical polymerization have a tunable stretchability.
Metathesis polymerization of monomers containing two diphenylacetylene units: synthesis and properties of poly(diphenylacetylene)s bearing diphenylacetylene units on the side chain
Selective metathesis polymerization provided highly emissive, gas-permeable, and thermally stable poly(diphenylacetylene)s possessing diphenylacetylene units on the side chain.
Two colours of light drive PET–RAFT photoligation
By fusing the realms of photopolymerisation and photoligation, our contribution exploits two orthogonal wavelengths of visible light to readily synthesise and functionalise well defined polymers from a unique dual functionality RAFT agent.
Simple and secure data encryption via molecular weight distribution fingerprints
A method for encryption and safe transmission of data in the shape of molecular weight distributions (MWD) is presented.
A tripodal heptadentate Schiff base as an active ligand for atom transfer radical polymerization
The use of a tripodal heptadentate Schiff base, tris[N-(2-pyridylmethyl)-2-iminoethyl]amine (Py3Tren), as an active ligand for atom transfer radical polymerization (ATRP) is reported.
Facile construction of stabilized, pH-sensitive micelles based on cyclic statistical copolymers of poly(oligo(ethylene glycol)methyl ether methacrylate-st-N,N-dimethylaminoethyl methacrylate) for in vitro anticancer drug delivery
This study developed a facile approach to improve the colloidal stability of a cyclic polycation as well as presented a pH-sensitive cyclic copolymer-based nanoplatform with great potential for anticancer drug delivery.
A N-bridged strategy enables hemilabile phosphine–carbonyl palladium and nickel catalysts to mediate ethylene polymerization and copolymerization with polar vinyl monomers
N-Bridged phosphine–carbonyl Pd(II) and Ni(II) catalysts enable the enhancement of molecular weights in ethylene polymerization and copolymerization with polar comonomers.
A novel coumarin-chitosan fluorescent hydrogel for the selective identification of Fe2+ in aqueous systems
Functional fluorescent hydrogels were synthesized, and they can detect and adsorb Fe2+ in aqueous solution.
Silylium cation initiated sergeants-and-soldiers type chiral amplification of helical aryl isocyanide copolymers
Silylium cations act as new highly efficient metal-free single-component cationic initiators for the cationic polymerization and copolymerization of chiral or achiral aryl isocyanides, preparing optically active polymers and copolymers obeying “sergeants-and-soldiers” rule.
An improved synthesis of poly(amidoamine)s for complexation with self-amplifying RNA and effective transfection
Aza-Michael addition to synthesise poly(amidoamines) was optimised to minimise appearance of bimodal molecular weight distributions caused by a radical-branching side-reaction. This significantly improved cellular delivery of a model self-amplifying RNA vaccine.
The difluoromethylthio moiety lowers the LCST of oligo(ethylene glycol)-based homopolymers
Introduction of difluoromethylthio moiety could significantly lower LCSTs of oligo(ethylene glycol)-based thermo-responsive homopolymers.
Poly(2-isopropenyl-2-oxazoline) – a structural analogue to poly(vinyl azlactone) with Orthogonal Reactivity
A modular copolymer platform based on two oxazole derivatives is presented. Post-polymerisation modifications revealed the potential to selectively modify the individual side groups, providing access to functional copolymer libraries in the future.
Architecture transition of supramolecular polymers through hierarchical self-assembly: from supramolecular polymers to fluorescent materials
A new supramolecular crosslinked polymer and a gel with excellent self-repairing capability were prepared by double host–guest interactions.
About this collection
Welcome to our online rolling collection of the hottest work published in Polymer Chemistry. Here we feature recent Polymer Chemistry articles highlighted as HOT by the handling editor or our referees.
Congratulations to all the authors whose articles are featured.