reversible-deactivation-radical-polymerization

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Reversible Deactivation Radical Polymerization

Author : Nikhil K. Singha
ISBN : 9783110640175
Genre : Technology & Engineering
File Size : 23. 88 MB
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This book describes strategies and mechanism of reversible deactivation radical polymerization (RDRP) to synthesize functional polymers. Several approaches such as atom transfer radical polymerization and the combination of click chemistry and RDRP are summarized. Contributors from interdisciplinary fields highlight applications in nanotechnology, self-healing materials, oil and water resistant coatings and controlled drug delivery systems.

Green Techniques In Reversible Deactivation Radical Polymerization

Author : Andrew West
ISBN : OCLC:752665926
Genre : Polymerization
File Size : 65. 78 MB
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Oxygen Tolerant Copper Mediated Reversible Deactivation Radical Polymerization

Author : Evelina Liarou
ISBN : OCLC:1255797527
Genre :
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Functional Polymers By Reversible Deactivation Radical Polymerisation

Author : Nikhil K Singha
ISBN : 9781910242575
Genre : Science
File Size : 39. 69 MB
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Synthesis of tailor-made functional polymers with controlled architecture is very challenging. The functional groups present in the monomer often either prevent polymerisation or lead to several side reactions. In this regard, reversible deactivation radical polymerisation (RDRP) techniques are useful tools to prepare macromolecular architectures with controlled molecular weight, architecture, and narrow dispersity. This book delineates the advances in the area of RDRP to prepare functional polymers for a wide range of applications like in self-healing, oil- and water-resistant coatings, controlled drug delivery systems and so on. The worthy contribution from renowned experts working in the area of RDRP makes this book invaluable to researchers in these important areas such as:Introduction and historical development of RDRP.Polymer-nanohybrid materials.Telechelic polymers with controlled end functionality.Functional polymers via a combination of RDRP and 'click' chemistry.Fluorinated polymers.Polymers for biomedical applications.The book will be of prime interest for polymer scientists as well as material scientists dealing with functional polymer synthesis for different applications. It will also be a good source of knowledge for researchers working on functional polymeric materials and their composites.

Bis Formylpyrrolyl Cobalt Complexes As Mediators In The Reversible Deactivation Radical Polymerization Of Styrene And Methyl Methacrylate1

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ISBN : OCLC:1051915551
Genre :
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Reversible Deactivation Radical Polymerization

Author : Krzysztof Matyjaszewski
ISBN : 0841233233
Genre : Crosslinking (Polymerization)
File Size : 25. 19 MB
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In reversible deactivation radical polymerization, some chemical links are dormant.

The Chemistry Of Radical Polymerization

Author : Graeme Moad
ISBN : 0081000057
Genre :
File Size : 52. 67 MB
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The Chemistry of Radical Polymerization, Third Edition, is completely updated with the latest trends, terminology, and applications in this fast-moving field. This comprehensive reference contains crucial foundational information that will help users understand the factors which control radical polymerization, along with practical content to support the design of polymer syntheses, and critical evaluation of the latest developments and their impact on research and practice. Covering vital processes that chemistry researchers, practitioners, and advanced students need to know, the book includes new content on the growing area of heterogeneous polymerization, including emulsion, miniemulsion, microemulsion, and dispersion polymerization. This new edition also explores recent progress in methods of control, including those not based on reversible deactivation radical polymerization or living radical polymerization. The coverage of RAFT polymerization has also been thoroughly updated to match the current IUPAC recommendation as well as to correspond with this exciting area of active research. Offers valuable training for graduates in polymer chemistry and is a key reference for researchers and practitioners in radical polymerization Features substantial updates and expansion of key chapters on controlled and living polymerization, reflecting the considerable growth and advances in the field Includes a completely new chapter on heterogeneous polymerization

Aqueous Cu 0 Mediated Reversible Deactivation Radical Polymerization Of 2 Hydroxyethyl Acrylate

Author : MINGMIN. Zhang
ISBN : OCLC:1032940273
Genre :
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Reversible Deactivation Radical Polymerization Materials And Applications

Author : Krzysztof Matyjaszewski
ISBN : 0841233195
Genre : Crosslinking (Polymerization)
File Size : 26. 11 MB
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In reversible deactivation radical polymerization, some chemical links are dormant.

Reversible Deactivation Radical Polymerization Mechanisms And Synthetic Methodologies

Author : Krzysztof Matyjaszewski
ISBN : 0841233179
Genre : Crosslinking (Polymerization)
File Size : 36. 78 MB
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In reversible deactivation radical polymerization, some chemical links are dormant.

Reversible Deactivation Radical Polymerization

Author : Nikhil K. Singha
ISBN : 9783110643695
Genre : Technology & Engineering
File Size : 20. 26 MB
Format : PDF
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This book describes strategies and mechanism of reversible deactivation radical polymerization (RDRP) to synthesize functional polymers. Several approaches such as atom transfer radical polymerization and the combination of click chemistry and RDRP are summarized. Contributors from interdisciplinary fields highlight applications in nanotechnology, self-healing materials, oil and water resistant coatings and controlled drug delivery systems.

The Chemistry Of Radical Polymerization

Author : Graeme Moad
ISBN : 0081000081
Genre : Science
File Size : 81. 44 MB
Format : PDF, Kindle
Download : 778
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The Chemistry of Radical Polymerization, Third Edition, is completely updated with the latest trends, terminology, and applications in this fast-moving field. This comprehensive reference contains crucial foundational information that will help users understand the factors which control radical polymerization, along with practical content to support the design of polymer syntheses, and critical evaluation of the latest developments and their impact on research and practice. Covering vital processes that chemistry researchers, practitioners, and advanced students need to know, the book includes new content on the growing area of heterogeneous polymerization, including emulsion, miniemulsion, microemulsion, and dispersion polymerization. This new edition also explores recent progress in methods of control, including those not based on reversible deactivation radical polymerization or living radical polymerization. The coverage of RAFT polymerization has also been thoroughly updated to match the current IUPAC recommendation as well as to correspond with this exciting area of active research. Offers valuable training for graduates in polymer chemistry and is a key reference for researchers and practitioners in radical polymerization Features substantial updates and expansion of key chapters on controlled and living polymerization, reflecting the considerable growth and advances in the field Includes a completely new chapter on heterogeneous polymerization

Modification Of Wood Surfaces Via Controlled Polymerization Methods

Author : Martin Königsmann
ISBN : OCLC:1060221902
Genre :
File Size : 54. 86 MB
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The present study was conducted to explore the possibilities of wood modification by reversible-deactivation radical polymerization (RDRP) techniques in order to tailor surface properties. Surface-initiated reversible addition-fragmentation chain transfer (SI-RAFT) polymerization was carried out on bulk wood to obtain a non-leaching polymer coating on the wood surface, which offers enhanced hydrophobicity and the possibility to easily cleave the polymer coating from wood. Furthermore, surface-initiated activators regenerated by electron transfer atom transfer radical polymerization (SI-ARGE...

Synthesis Of ? ? Telechelics By Cu 0 Mediated Reversible Deactivation Radical Polymerisation

Author : Alexandre Simula
ISBN : OCLC:1063530963
Genre :
File Size : 28. 7 MB
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Controlled Radical Polymerization

Author :
ISBN : OCLC:928734760
Genre :
File Size : 41. 60 MB
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Reversible deactivation radical polymerization (RDRP), also known as controlled radical polymerization (CRP), has been a significant area of polymer research for more than 20 years, allowing the facile synthesis of complex macromolecules previously unattainable by conventional free radical polymerization (FRP). However, industrial adoption of RDRP has been minimal largely due to the significant economic barrier to commercialization, with complex synthesis of the mediating agents required and the necessary post polymerization processing to recover the mediating agent. In an effort to overcome this obstacle to industrial adoption, the mediating agent concentration can be significantly reduced, such as the copper level in activator regenerated by electron transfer atom transfer radical polymerization (ARGET ATRP), or the mediating agent can be incorporated into the polymer as in nitroxide-mediated polymerization (NMP), where no post polymerization processing is required other than removal of residual monomer. This thesis presents a study of these two chemistries towards industrially relevant conditions. To build upon recent developments of continuous ARGET ATRP, a systematic batch study is conducted to pursue decreased copper levels in the generation of short chain acrylic and methacrylic polymers of interest to the coatings industry. The limitations to reducing copper levels are understood with the development of a kinetic model, with the improved understanding of the ARGET ATRP system suggesting that a reduction in copper loading must be accompanied by an increase in reducing agent loading in order to maintain an appreciable polymerization rate. Alternatively, NMP does not require a reduction in mediating nitroxide level as it reversibly terminates the polymer chain end, and may present a smaller barrier to commercialization. Indeed, certain nitroxides are currently produced at pilot scale. However, limited research has been conducted into continuous operation which is commonly used in industry to improve productivity. A batch NMP study at elevated temperatures demonstrates the effectiveness of a novel alkoxyamine to mediate the polymerization of styrene and butyl acrylate under industrially relevant conditions. A kinetic study is developed to understand the novel system, and the polymerization is implemented in a continuous stirred-tank reactor (CSTR), the first demonstration of NMP in an existing industrial process.

Binary Planet Satellite Nanostructure Using Raft Polymer

Author : Wentao Peng
ISBN : OCLC:1195903755
Genre :
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This thesis provides a series of strategies to fabricate hierarchically arranged nanohybrids from distinct nanoparticles using polymer linkers. Benefit from the controlled reversible-deactivation radical polymerization technique, the topology and size of the polymer linker can be precisely controlled, which further enables full control over the size and architecting of the binary nanostructures. Reversible addition-fragmentation chain transfer (RAFT) polymerization was employed to synthesize polymers with narrow molecular weight distribution while inherently carrying the strong aurophilic a...

Toward Ultimate Control Of Polymerization And Catalytic Property

Author : Hui-Chun Lee
ISBN : OCLC:1158313771
Genre :
File Size : 31. 43 MB
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Reversible-deactivation radical polymerization (RDRP) is without any doubt one of the most prevalent and powerful strategies for polymer synthesis, by which well-defined living polymers with targeted molecular weight (MW), low molar dispersity (Ɖ) and diverse morphologies can be prepared in a controlled fashion. Atom transfer radical polymerization (ATRP) as one of the most extensive studied types of RDRP has been particularly emphasized due to the high accessibility to hybrid materials, multifunctional copolymers and diverse end group functionalities via commercially available precursors. However, due to catalyst-induced side reactions and chain-chain coupling termination in bulk environment, synthesis of high MW polymers with uniform chain length (low Ɖ) and highly-preserved chain-end fidelity is usually challenging. Besides, owing to the inherited radical nature, the control of microstructure, namely tacticity control, is another laborious task. Considering the applied catalysts, the utilization of large amounts of non-reusable...

High Precision Particle Arrangement In Gold Polymer Nanocomposites Using Raft Polymerization

Author : Christian Roßner
ISBN : OCLC:963022934
Genre :
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This thesis provides a comprehensive analysis of the scientific background on nanocomposites generated via reversible-deactivation radical polymerization (RDRP) techniques. Starting from this basis, nanocomposites with the special combination of a polymeric part from reversible addition-fragmentation chain transfer (RAFT) polymerization and gold nanoparticles were investigated in greater detail. It was shown by means of elemental mapping via scanning transmission electron microscopy and spectrum imaging (STEM-SI) in hybrid gold/RAFT polymer core-shell particles that the RAFT polymers' sulfu...

Fundamentals And Practical Aspects Of Living Radical Polymerization

Author :
ISBN : OCLC:227834924
Genre :
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Fundamentals and some practical synthetic aspects of controlled radical polymerization will be discussed in the lecture. Effect of slow initiation, termination, and transfer on kinetics, molecular weights and polydispersities will be described in the quantitative way. Conditions for typical radical polymerization and for controlled radical polymerization will be compared. The concept of reversible deactivation of growing radicals in order to control molecular weights, polydispersities and terminal functionalities will be presented. Four systems will be discussed in detail: (1) Reversible cleavage of covalent species (2) Reversible formation of persistent radicals (3) Reversible redox systems (4) Degenerative group and atom transfer. In all four systems the effect of dynamics of exchange between dormant and active species on kinetics as well as on the evolution of molecular weights and polydispersities with conversion will be presented. jg p.2.

The Effect Of Solvent Ligand And Initiator Upon Aqueous Cu 0 Mediated Reversible Deactivation Radical Polymerisation

Author : Danielle J. Lloyd
ISBN : OCLC:1028756371
Genre : Addition polymerization
File Size : 52. 48 MB
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