Reversible-deactivation radical polymerization (Controlled/living radical polymerization): From discovery to materials design and applications

Progress in Polymer Science, Год журнала: 2020, Номер 111, С. 101311 - 101311

Опубликована: Окт. 14, 2020

Язык: Английский

---

A comparison of RAFT and ATRP methods for controlled radical polymerization

Nature Reviews Chemistry, Год журнала: 2021, Номер 5(12), С. 859 - 869

Опубликована: Окт. 18, 2021

Язык: Английский

---

Role of External Field in Polymerization: Mechanism and Kinetics

Chemical Reviews, Год журнала: 2020, Номер 120(5), С. 2950 - 3048

Опубликована: Фев. 21, 2020

The past decades have witnessed an increasing interest in developing advanced polymerization techniques subjected to external fields. Various physical modulations, such as temperature, light, electricity, magnetic field, ultrasound, and microwave irradiation, are noninvasive means, having superb but distinct abilities regulate polymerizations terms of process intensification spatial temporal controls. Gas emerging regulator plays a distinctive role controlling resembles some cases. This review provides systematic overview seven types external-field-regulated polymerizations, ranging from chain-growth step-growth polymerization. A detailed account the relevant mechanism kinetics is provided better understand each field In addition, given crucial modeling simulation mechanisms investigation, model construction typical numerical methods used this well highlights interaction between experiment toward existing systems given. At end, limitations future perspectives for critically discussed. state-of-the-art research progress not only fundamental principles underlying also stimulates new development methods.

Язык: Английский

---

Tailoring polymer dispersity and shape of molecular weight distributions: methods and applications

Chemical Science, Год журнала: 2019, Номер 10(38), С. 8724 - 8734

Опубликована: Янв. 1, 2019

The width and shape of molecular weight distributions can significantly affect the properties polymeric materials thus are key parameters to control. This mini-review aims critically summarise recent approaches developed tailor highlights strengths limitations each technique. Special emphasis will also be given applications where tuning distribution has been used as a strategy not only enhance polymer but increase fundamental understanding behind complex mechanisms phenomena.

Язык: Английский

---

Brush-modified materials: Control of molecular architecture, assembly behavior, properties and applications

Progress in Polymer Science, Год журнала: 2019, Номер 100, С. 101180 - 101180

Опубликована: Ноя. 13, 2019

Язык: Английский

---

Making ATRP More Practical: Oxygen Tolerance

Accounts of Chemical Research, Год журнала: 2021, Номер 54(7), С. 1779 - 1790

Опубликована: Март 22, 2021

Atom-transfer radical polymerization (ATRP) is a well-known technique for the controlled of vinyl monomers under mild conditions. However, as with any other polymerization, ATRP typically requires rigorous oxygen exclusion, making it time-consuming and challenging to use by nonexperts. In this Account, we discuss various approaches achieving tolerance in ATRP, presenting overall progress field.Copper-mediated which first discovered late 1990s, uses CuI/L activator that reversibly reacts dormant C(sp3)-X polymer chain end, forming X-CuII/L deactivator propagating radical. Oxygen interferes activation propagation quenching radicals oxidizing activator. At equilibrium, present at much higher concentration than radicals. Thus, oxidation dominant inhibition pathway. conventional reaction irreversible, so must be strictly excluded achieve good results.Over last two decades, our group has developed several techniques based on concept regenerating When oxidized continuously converted back its active reduced form, then catalytic system itself can act an scavenger. Regeneration accomplished reducing agents photo-, electro-, mechanochemical stimuli. This family methods offers degree tolerance, but most them tolerate only limited amount do not allow open vessel.More recently, enzymes used auxiliary systems directly deoxygenate medium protect process. We method glucose oxidase (GOx), glucose, sodium pyruvate very effectively scavenge enable open-vessel ATRP. By adding second enzyme, horseradish peroxidase (HPR), managed extend role enzymatic generating carbon-based changed from oxygen-sensitive oxygen-fueled reaction.While performing control experiments methods, noticed using UV irradiation triggers without presence GOx. serendipitous discovery allowed us develop oxygen-proof, small-molecule-based, photoinduced system. It similar exhibits superior compatibility both aqueous media organic solvents, avoids problems associated purifying polymers enzymes. The was able rapidly polymerize N-isopropylacrylamide, monomer, high control.These contributions have substantially simplified more practical accessible everyone.

Язык: Английский

---

Tailoring Polymer Dispersity by RAFT Polymerization: A Versatile Approach

Chem, Год журнала: 2020, Номер 6(6), С. 1340 - 1352

Опубликована: Май 25, 2020

Язык: Английский

---

Precision polymer synthesis by controlled radical polymerization: Fusing the progress from polymer chemistry and reaction engineering

Progress in Polymer Science, Год журнала: 2022, Номер 130, С. 101555 - 101555

Опубликована: Май 7, 2022

Язык: Английский

---

Open-air green-light-driven ATRP enabled by dual photoredox/copper catalysis

Chemical Science, Год журнала: 2022, Номер 13(39), С. 11540 - 11550

Опубликована: Янв. 1, 2022

Photoinduced atom transfer radical polymerization (photo-ATRP) has risen to the forefront of modern polymer chemistry as a powerful tool giving access well-defined materials with complex architecture. However, most photo-ATRP systems can only generate radicals under biocidal UV light and are oxygen-sensitive, hindering their practical use in synthesis biohybrids. Herein, inspired by photoinduced electron transfer-reversible addition-fragmentation chain (PET-RAFT) polymerization, we demonstrate dual photoredox/copper catalysis that allows open-air ATRP green irradiation. Eosin Y was used an organic photoredox catalyst (PC) combination copper (X-Cu

Язык: Английский

---

Driving Polymer Brushes from Synthesis to Functioning

Angewandte Chemie International Edition, Год журнала: 2023, Номер 62(27)

Опубликована: Март 23, 2023

The great success of controlled radical polymerizations has encouraged researchers to develop more facile and robust approaches for surface-initiated (SIPs) fabricate polymer brushes, even non-experts. In recent years, external-stimuli-mediated polymerization methods have come the fore as SIPs because their less rigorous synthetic procedures high controllability, which expand opportunities synthesizing macromolecules with desired chemical compositions structures, well tailor-made polymers bioconjugates that show broad applicability physiological compatibility. This review discusses latest developments in methods, particular, external-stimuli mediated atom transfer (ATRP), photo-induced polymerizations, reversible addition-fragmentation chain (RAFT) polymerization, other combination application surface grafting. implementation these is interest due unique possibilities temporally control a process, fast straightforward environmentally benign features, lead established emerging applications biolubrication, antifouling, biosensing.

Язык: Английский

---