Themed collection Synthetic Methodologies for Complex Macromolecular Structures
Introduction to the themed collection on synthetic methodologies for complex macromolecular structures in honour of Prof. Yusuf Yagci's 70th birthday
Hatice Mutlu, Filip Du Prez and Remzi Becer present the Polymer Chemistry themed collection on synthetic methodologies for complex macromolecular structures in honour of Prof. Yusuf Yagci's 70th birthday.
Chemical design and synthesis of macromolecular profluorescent nitroxide systems as self-reporting probes
The objective of this mini-review article is to highlight the importance of the chemical design towards the synthesis of polymeric profluorescent nitroxides applicable as self-reporting probes.
Putting the RAFT in GRAFT: intermolecular graft exchange between bottlebrush polymers using reversible addition–fragmentation chain transfer
A versatile synthetic methodology is presented for the preparation of graft copolymers with mixed graft distributions using reversible addition–fragmentation chain transfer (RAFT) polymerisation.
Upconversion nanoparticle-assisted cationic and radical/cationic hybrid photopolymerization using sulfonium salts
Several sulfonium salts as unimolecular photoinitiators can efficiently initiate UCNP-assisted direct cationic and radial/cationic photopolymerization under 980 nm NIR light irradiation.
Imidazole based dual photo/thermal initiators for highly efficient radical polymerization under air with a metal-free approach
A metal-free visible LED photopolymerization process, initiated by imidazole based charge transfer complexes under mild conditions (room temperature, without an inert atmosphere, monomer purification or stabilizer removal), is reported.
Bromoform-assisted aqueous free radical polymerisation: a simple, inexpensive route for the preparation of block copolymers
Synthesis of ‘uncontrolled’ commercially-relevant block copolymers by metal- and sulfur-free, bromoform-assisted polymerisation.
A highly sensitive photoinitiating system based on pre-associated ion-pairs for NIR radical photopolymerization of optically clear materials
A highly sensitive NIR photoinitiating system based on dye/borate associated pairs.
Trehalose coated nanocellulose to inhibit the infections by S. aureus
Preventing bacterial infection by using anti-adhesive trehalose polymer is one alternative to antibiotic treatment.
A disulfide-based linker for thiol–norbornene conjugation: formation and cleavage of hydrogels by the use of light
A photolinker for formation of disulfide-crosslinked hydrogels via light-triggered thiol–ene conjugation has been developed. Hydrogels can be patterned via two-photon cleavage of disulfide-linkages in the presence of a two-photon active compound.
Effect of halogen and solvent on iron-catalyzed atom transfer radical polymerization
Efficient exchange of Br in iron-catalyzed ATRP in anisole provided well-controlled polymers with low dispersity as opposed to the Cl-based initiating system, which resulted in large dispersities due to the slower activation/deactivation with Cl.
Acridinium salts as photoredox organocatalysts for photomediated cationic RAFT and DT polymerizations of vinyl ethers
A series of acridinium salts with high excited-state oxidative power are employed as photoredox organocatalysts for photomediated cationic RAFT and DT polymerizations under visible light.
Differences and similarities between mono-, bi- or tetrafunctional initiated cationic ring-opening polymerization of 2-oxazolines
Cationic ring-opening polymerization (CROP) is an interesting synthesis technique to obtain well-defined polymers with narrow molar mass distribution (MMD).
PolyDODT: a macrocyclic elastomer with unusual properties
Reversible Radical Recombination Polymerization (R3P) using triethylamine (TEA), H2O2 and air is a scalable and green method for the synthesis of biodegradable polysulfides.
A novel electrochemical conducting polymer sensor for the rapid, selective and sensitive detection of biothiols
A rapid, selective and sensitive, novel conducting-polymer sensing platform for the detection and analysis of biothiols.
Redox-sensitive ferrocene functionalised double cross-linked supramolecular hydrogels
Responsive double cross-linked hydrogels have proven to be a powerful approach to create smart polymer networks but unfold even greater potential if combined with supramolecular chemistry.
Cationic ring-opening polymerization of a five membered cyclic dithiocarbonate having a tertiary amine moiety
A dibenzylamine derived cyclic dithiocarbonate (1) undergoes ring-opening polymerization due to the greater reactivity of exocyclic sulfur compared to the tertiary amine with methyl triflate.
On the photopolymerization of mevalonic lactone methacrylate: exposing the potential of an overlooked monomer
This manuscript will exhibit the photopolymerization of mevalonic lactone methacrylate, an overlooked monomer, and how functional polymers with lactone pendant units can be synthesized.
Controlling mechanical properties of 3D printed polymer composites through photoinduced reversible addition–fragmentation chain transfer (RAFT) polymerization
Reversible addition–fragmentation chain-transfer (RAFT) polymerization has been exploited to design silica-nanoparticle-incorporated photocurable resins for 3D printing of materials with enhanced mechanical properties and complex structures.
Precision synthesis of a fluorene-thiophene alternating copolymer by means of the Suzuki–Miyaura catalyst-transfer condensation polymerization: the importance of the position of an alkyl substituent on thiophene of the biaryl monomer to suppress disproportionation
The Suzuki–Miyaura coupling polymerization of PinB-F8T(3)-Br was accompanied by disproportionation, whereas that of PinB-F8T(4)-Br proceeded in a chain-growth polymerization manner to afford a well-defined fluorene-thiophene alternating copolymer.
Creation of polymeric nanostructures by living coordination block copolymerization of allene derivatives with fluoroalkyl substituents under polymerization-induced self-assembly conditions and their application to superhydrophobic surfaces
Block copolymer micelles with a fluorous corona were synthesized via living allene polymerization in fluorous media and a polymerization-induced self-assembly (PISA) process, resulting in excellent superhydrophobic optically transparent coatings.
Porous polycaprolactone and polycarbonate poly(urethane urea)s via emulsion templating: structures, properties, cell growth
Macroporous, emulsion-templated, linear poly(urethane urea) elastomers were synthesized from polyols (poly(ε-caprolactone)s or polycarbonates) and a diisocyanate. Growing cells adhered to the walls, spread, and penetrated into the porous structures.
Well-defined cyclic polymer synthesis via an efficient etherification-based bimolecular ring-closure strategy
An alternative method to synthesize well-defined cyclic polymers via combination of anionic polymerization high vacuum techniques and Williamson etherification reaction in moderate dilution and up to 1 g scale.
Cationic tungsten imido alkylidene N-heterocyclic carbene complexes for stereospecific ring-opening metathesis polymerization of norbornene derivatives
Cationic W alkylidene N-heterocyclic carbene complexes allow for the stereospecific ring-opening metathesis polymerization of norbornenes with high trans-iso- and high cis-syndiospecificity, respectively.
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.
Surfactant-free emulsion polymerization of vinylidene fluoride mediated by RAFT/MADIX reactive poly(ethylene glycol) polymer chains
Vinylidene fluoride (VDF) emulsion polymerization is conducted in the presence of xanthate-end functionalized poly(ethylene glycol)s leading to stable PVDF latexes.
Inspired by mussel adhesive protein: hydrophilic cationic copoly(2-oxazoline)s carrying catecholic side chains
The cationic ring-opening copolymerization of 2-ethyl-2-oxazoline and 3,4-dimethoxyaryl-substituted 2-oxazolines yields gradient or random copolymers, which can be converted into adhesive copolymers carrying catecholic and cationic groups.
Detailed GPC analysis of poly(N-isopropylacrylamide) with core cross-linked star architecture
Core cross-linked star shaped polymers possess unique physical properties that can be utilized as drug transporters for biomedical applications.
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.
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.
Synthesis of core-crosslinked star polymers via organocatalyzed living radical polymerization
Core-crosslinked star polymers synthesized via a grafting-through approach using RCMP.
Hybrid silica micro-particles with light-responsive surface properties and Janus-like character
The present work highlights the synthesis and post-modification of silica-based micro-particles containing photo-responsive polymer brushes with photolabile o-nitrobenzyl ester (o-NBE) chromophores.