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.
Evolution and applications of polymer brush hypersurface photolithography
Hypersurface photolithography creates arbitrary polymer brush patterns with independent control over feature diameter, height, and spacing between features, while controlling composition along a polymer chain and between features.
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.
A guide towards safe, functional and renewable BPA alternatives by rational molecular design: structure–property and structure–toxicity relationships
Putting the pieces together: a guide for rational molecular design of safe, functional and renewable BPA alternatives.
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.
Sustainable synthesis of CO2-derived polycarbonates from D-xylose
Synthetic transformation of D-xylose into a four-membered cyclic ether allows for reactions with CO2 leading to linear polycarbonates by either ring-opening copolymerisation directly or by isolation of a six-membered cyclic carbonate followed by ring-opening polymerisation.
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.
One-pot synthesis and aqueous solution properties of pH-responsive schizophrenic diblock copolymer nanoparticles prepared via RAFT aqueous dispersion polymerization
Well-defined doubly pH-responsive schizophrenic diblock copolymer nanoparticles with tunable isoelectric points are prepared via RAFT aqueous dispersion polymerization using an efficient one-pot protocol.
Synthesis, structure and properties of copolymers of syndiotactic polypropylene with 1-hexene and 1-octene
Incorporation of long branches, such as 1-hexene or 1-octene, in syndiotactic polypropylene gives novel elastomeric materials, whose crystallization behavior and elastic properties can be easily tailored through tuning of the branches concentration.
RAFT aqueous emulsion polymerization of methyl methacrylate: observation of unexpected constraints when employing a non-ionic steric stabilizer block
Using a non-ionic steric stabilizer for the RAFT aqueous emulsion polymerization of methyl methacrylate leads to flocculated nanoparticles when targeting DPs > 100; there is no such constraint when employing an anionic stabilizer block.
Modification of polybutadiene with trifluoromethyl and clickable azide groups in one shot
We report copper-catalyzed intermolecular azide-trifluoromethylation of the alkenyls of PB without any chain degradation and crosslinking.
Alginate-based diblock polymers: preparation, characterization and Ca-induced self-assembly
Renewable resources can provide a range of different polysaccharide blocks that can be used to prepare new types of stimuli-responsive polysaccharide-based block copolymers.
Block copolymers comprising degradable poly(2-ethyl-2-oxazoline) analogues via copper-free click chemistry
We present the synthesis development of amphiphilic, degradable poly(2-ethyl-2-oxazoline) (PEtOx) analogue block copolymers in a modular fashion utilizing the strain-promoted azide–alkyne cycloaddition (SPAAC).
Multisegmented polymers via step-growth and RAFT miniemulsion polymerization
We report a method to efficiently prepare multisegmented polymers via a combination of step-growth (SG) and reversible addition-fragmentation chain transfer (RAFT) polymerization.
Aqueous ROPISA of α-amino acid N-carboxyanhydrides: polypeptide block secondary structure controls nanoparticle shape anisotropy
Ring-Opening Polymerization-Induced Self-Assembly (ROPISA) of N-carboxyanhydride is an efficient one-step process to obtain nanomaterials made of polypeptides.
Photo-switchable smart superhydrophobic surface with controllable superwettability
An azobenzene-based smart superhydrophobic surface undergoes reversible transformations among multiple bioinspired superwetting states through photo-manipulation, demonstrating promising potential on a rewritable platform for droplet transportation.
The influences of monomer structure and solvent on the radical copolymerization of tertiary amine and PEGylated methacrylates
This work presents a meticulous and rigorous investigation of reactivity ratios of commonly used monomers (PEGMA, DEAEMA, and DMAEMA) with high importance for stimuli-responsive materials; a copolymerization mini-library with 9 systems is reported.
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.
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.
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.
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.
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