Alkyl borane-mediated metal-free ring-opening (co)polymerizations of oxygenated monomers

Progress in Polymer Science, Год журнала: 2022, Номер 136, С. 101644 - 101644

Опубликована: Дек. 30, 2022

Язык: Английский

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Current Challenges and Perspectives in CO₂-Based Polymers

Macromolecules, Год журнала: 2023, Номер 56(5), С. 1759 - 1777

Опубликована: Фев. 28, 2023

Carbon dioxide (CO2) is considered a renewable one-carbon building block for chemical synthesis owing to its abundance, low toxicity, nonflammability, and availability. The incorporation of CO2 into the polymer backbone affords various ester- or carbonyl-containing moieties, which create desired material properties impart unique degradability after use under microbial conditions. In this Perspective, we focus on critical advances in CO2-derived polymers highlight catalytic strategies, novel conceptual routes, potential application fields. outlook perspective are provided describe future challenges new strategies establishing CO2-based with performances economic competitiveness comparable that petroleum-based materials.

Язык: Английский

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Organoboron-mediated polymerizations

Chemical Society Reviews, Год журнала: 2024, Номер 53(7), С. 3384 - 3456

Опубликована: Янв. 1, 2024

The scientific community has witnessed extensive developments and applications of organoboron compounds as synthetic elements metal-free catalysts for the construction small molecules, macromolecules, functional materials over last two decades. This review highlights achievements organoboron-mediated polymerizations in past several decades alongside mechanisms underlying these transformations from standpoint polymerization mode. Emphasis is placed on free radical polymerization, Lewis pair ionic (cationic anionic) polyhomologation. Herein, alkylborane/O

Язык: Английский

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Evolution of Copolymers of Epoxides and CO₂: Catalysts, Monomers, Architectures, and Applications

Chemical Reviews, Год журнала: 2024, Номер unknown

Опубликована: Окт. 25, 2024

The copolymerization of CO

Язык: Английский

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Highly Selective Preparation and Depolymerization of Chemically Recyclable Poly(cyclopentene carbonate) Enabled by Organoboron Catalysts

Angewandte Chemie International Edition, Год журнала: 2022, Номер 61(46)

Опубликована: Сен. 22, 2022

Poly(cyclopentene carbonate) (PCPC) produced by copolymerization of CO2 and cyclopentene oxide (CPO) is a promising but challenging chemical recyclable polymer that has high potential in minimizing plastic pollution maximizing utilization. Currently, problems remain to be solved, include low reactivity toxic metal catalysts, inevitable byproducts, especially the ambiguous mechanism understanding. Herein, we present first metal-free access PCPC using series modular dinuclear organoboron catalysts. was afforded an unprecedented catalytic efficiency 1.0 kg PCPC/g catalyst; while depolymerization abides combination pathway random chain scission unzipping, returning CPO near-quantitative yield (>99 %). The preparation along with depth understanding related mechanisms would helpful for further development advanced catalysts plastics.

Язык: Английский

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Borane catalysis for epoxide (co)polymerization

Polymer Chemistry, Год журнала: 2023, Номер 14(16), С. 1834 - 1862

Опубликована: Янв. 1, 2023

This review discusses the impact of borane catalysis on epoxide homo- and copolymerization, focussing polymerization mechanisms catalyst design.

Язык: Английский

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Ultra-Productive Upcycling CO₂ into Polycarbonate Polyols via Borinane-Based Bifunctional Organocatalysts

Macromolecules, Год журнала: 2023, Номер 56(3), С. 892 - 898

Опубликована: Янв. 23, 2023

We herein report the synthesis of commercially attractive low molar mass polycarbonate polyols obtained through ring-opening copolymerization CO2 and epoxides, using a series borinane-based bifunctional organocatalysts in presence chain transfer agents (CTAs). These catalysts enable CO2/epoxide copolymerizations with high linear vs cyclic selectivity outstanding productivity for both poly(cyclohexane carbonate) (18.2 kg/g catalyst) poly(ether propylene (1.1 catalyst). exhibit all features living processes; resulting polycarbonates could be precisely controlled by varying [monomer]/CTA ratio. The performance these implying loading shows great potential applications large-scale preparation CO2-based polyols.

Язык: Английский

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Coordination complexes as catalysts for the coupling reactions of oxiranes and carbon dioxide

Coordination Chemistry Reviews, Год журнала: 2023, Номер 492, С. 215277 - 215277

Опубликована: Июнь 10, 2023

Язык: Английский

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Key progresses of MOE key laboratory of macromolecular synthesis and functionalization in 2022

Chinese Chemical Letters, Год журнала: 2023, Номер 35(3), С. 108861 - 108861

Опубликована: Июль 27, 2023

Язык: Английский

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Catalytic conversion of CO2 using carbon nitride-based catalysts: Recent advances, opportunities, and challenges

Coordination Chemistry Reviews, Год журнала: 2024, Номер 511, С. 215831 - 215831

Опубликована: Апрель 16, 2024

Язык: Английский

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