Photoassisted radical depolymerization
WebWith the TAC iodide as catalyst, radical polymerization with a living feature was successfully realized, which shows general applicability with a variety of monomers and produced block copolymers. In addition, the TAC-iodides also showed promising feasibility in catalyzing the radical depolymerization of iodo-terminated polymethacrylates. WebToward Living Radical Polymerization. Moad Graeme, Rizzardo Ezio, Thang San H. Accounts of Chemical Research. 2008 41(9). p.1133. Properties of matrix-grafted multi-walled carbon nanotube/poly(methyl methacrylate) nanocomposites synthesized by in situ reversible addition-fragmentation chain transfer polymerization. Rahimi-Razin Saeid, Haddadi ...
Photoassisted radical depolymerization
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WebDec 20, 2024 · Photoassisted Radical Depolymerization. James B. Young, Jared I. Bowman, Cabell B. Eades, Alexander J. Wong, and Brent S. Sumerlin* Publication Date (Web): December 5, 2024. Chain Confinement and Anomalous Diffusion in the Cross over Regime between Rouse and Reptation. WebIn this review, we provide a brief history, progress, and applications, and discuss the remaining challenges of photocontrolled reversible addition-fragmentation chain transfer (RAFT) polymerization (i.e., photoinduced electron/energy transfer-RAFT (PET-RAFT), photoiniferter, and photomediated cationic RAFT polymerization). Among these, visible …
WebPhotocatalytic reversible deactivation radical polymerization (RDRP) permits the use of sustainable solar light for spatiotemporal regulation of radical polymerization under mild … WebApr 10, 2024 · This method of photoassisted depolymerization allows up to 87% depolymerization efficiency within 1 h, results that may further the advancement of recyclable materials and life-cycle circularity.
WebPhotopolymerization offers a unique opportunity to convert liquid monomers to polymers using light as the activation source. Recently, major efforts have been devoted to developing visible light photo-initiating systems, and the search for new dyes that can be incorporated into photocurable resins and polymerize a resin within a few seconds is still ongoing. With … WebFeb 1, 2011 · A new concept based on the conversion of the peroxyl radicals generated under air (ROO) with the concomitant formation of new initiating radicals to overcome the …
Webphotoassisted oxidations and photoelectrosynthesis at polycrystalline tio2 electrodes, journal of the american chemical society 99: 4667 (1977). ... kraeutler, b, initiation of free-radical polymerization by heterogeneous photocatalysis at semiconductor powders, journal of polymer science part c-polymer letters 17: 535 (1979).
WebJul 28, 2015 · Reversible deactivation radical polymerization (RDRP) has revolutionized modern polymer chemistry over the past two decades, thus laying the groundwork for the synthesis of complex macromolecules and enabling the preparation of previously inaccessible materials. Reversible addition-fragmentation chain transfer (RAFT) … greek philosopher 8 lettersWebIn this review, we provide a brief history, progress, and applications, and discuss the remaining challenges of photocontrolled reversible addition-fragmentation chain transfer … flower container gardeningWebNov 8, 2024 · The ability to reverse controlled radical polymerization and regenerate the monomer would be highly beneficial for both fundamental research and applications, yet this has remained very challenging to achieve. Herein, we report a near-quantitative (up to 92%) and catalyst-free depolymerization of various linear, bulky, cross-linked, and functional … greek philosopherWebMar 15, 2024 · Depending on the nature of this backbone radical, as well as the substitution on neighboring monomer repeat units, a β-scission pathway is thermodynamically … flower container design ideasWebPhotoassisted Radical Depolymerization. ACS Macro Letters 2024-12-20 Journal article DOI: 10.1021/acsmacrolett.2c00603 Contributors: James B. Young; Jared I. Bowman; Cabell B. Eades; Alexander J. Wong; Brent S. Sumerlin Show more detail. Source: Crossref Controlling Dynamics of Associative Networks through Primary Chain Length ... greek philosopher and geographerWebSep 13, 2024 · With the TAC iodide as catalyst, radical polymerization with a living feature was successfully realized, which shows general applicability with a variety of monomers and produced block copolymers. In addition, the TAC-iodides also showed promising feasibility in catalyzing the radical depolymerization of iodo-terminated polymethacrylates. flower containers for deck railingsWebPhotoassisted Radical Depolymerization. ACS Macro Letters 2024-12-20 Journal article DOI: 10.1021/acsmacrolett.2c00603 Contributors: James B. Young; Jared I. Bowman; … flower container garden ideas