Synthesis And Application Of Some Novel Functional Polymers Via Controlled Radical Polymerization And Click Chemistry
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Synthesis And Application Of Some Novel Functional Polymers Via Controlled Radical Polymerization And Click Chemistry
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Author : Guangzhao Li
language : en
Publisher:
Release Date : 2012
Synthesis And Application Of Some Novel Functional Polymers Via Controlled Radical Polymerization And Click Chemistry written by Guangzhao Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Synthesis And Application Of Some Novel Functional Polymers Via Controlled Radical Polymerization And Click Chemistry
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Author : Guang-Zhao Li
language : en
Publisher:
Release Date : 2012
Synthesis And Application Of Some Novel Functional Polymers Via Controlled Radical Polymerization And Click Chemistry written by Guang-Zhao Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
The objective of this thesis was to prepare thermoresponsive PEG-based homopolymers and copolymers by combination of cobalt-mediated catalytic chain-transfer polymerization (CCTP) and thiol-ene "click" chemistry and prepare well-defined glycopolymers via "living" polymerization and "click" chemistry. The effect of different catalysts for the nucleophilic mediated thiol-ene reaction was investigated using model compounds, both monomers and oligomers obtained by CCTP. Different catalysts, including pentylamine and hexylamine (primary amines), triethylamine (tertiary amine), and two different phosphines, dimethylphenylphosphine (DMPP) and tris(2-carboxyethyl) phosphine (TCEP), were investigated in the presence of different thiols. The optimum reaction conditions for nucleophile mediated thiol-ene click reactions were investigated. Thermoresponsive PEG-based homopolymers and copolymers of OEGMEMA obtained by CCT were modified using thiol-ene click chemistry with a variety of different functional thiol compounds to yield functional thermoresponsive polymers in high yield. The effect of different solvent systems for based catalyzed thiol-ene reaction was investigated in the presence of different functional thiols. The ATRP polymerization of TMS-PgMA and TIPS-PgMA and ROP polymerization of aliphatic polyester were investigated. A maleimide functional initiator was used in order to achieve post conjugation of nanoparticles for drug delivery. Moreover, the disulfide based bifunctional initiator was introduced into the midpoint of the polymer chain, which could break down to afford the corresponding polymer chain with thiol end group under the reducing condition. The thiol-terminated polymer was also post-functionalized via thiol-ene click chemistry. In addition, the aliphatic polycarbonate is a biocompatible and biodegradable polymer, which is widely used in medical and pharmaceutical applications. The subsequent introduction of sugar moiety to the reactive polymer chain via CuAAC click reaction and then the interactions between glycopolymers and lectins were investigated by Surface Plasmon Resonance (SPR) and Quartz Crystal Microbalance with Dissipation (QCM-D). The controlled SET-LRP polymerization of TMS-PgMA and SET-RAFT polymerization PgMA with the intact alkyne at ambient temperature were investigated. A maleimide functional initiator and CPDB, as the chain transfer agent have been employed. The introduction of maleimide moiety was to allow for post polymerization conjugation to peptides via reaction with cysteines. The subsequent introduction of sugar azides to click with the reactive polymer containing alkyne group and the glycopolymers through CuAAC was also investigated. The glycopolymer has been successfully prepared combining the SET-LRP/SET-RAFT and CuAAc click chemistry at ambient temperature.
Miktoarm Star Polymers
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Author : Ashok Kakkar
language : en
Publisher: Royal Society of Chemistry
Release Date : 2017-04-13
Miktoarm Star Polymers written by Ashok Kakkar and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-13 with Technology & Engineering categories.
The term ‘miktoarm polymers’ refers to asymmetric branched macromolecules, a relatively new entry to the macromolecular field. Recent advances in their synthesis and intriguing supramolecular chemistry in a desired medium has seen a fast expansion of their applications. The composition of miktoarm polymers can be tailored and even pre-defined to allow a desired combination of functions, meaning polymer chemists can have complete control of the overall architecture of these macromolecules. By carefully selecting the composition, they can create supramolecular structures with intriguing properties, particularly for applications in biology. Miktoarm Star Polymers features chapters from experts actively working in this field, and provides the reader with a unique introduction to the fundamental principles of this exciting macromolecular system. Topics covered include the design, synthesis, characterization, self-assembly and applications of miktoarm polymers. The book is an excellent overview and up to date guide to those working in research in polymer chemistry, materials science, and polymers for medical applications.
Synthesis And Applications Of Copolymers
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Author : Anbanandam Parthiban
language : en
Publisher: John Wiley & Sons
Release Date : 2014-06-23
Synthesis And Applications Of Copolymers written by Anbanandam Parthiban and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-23 with Technology & Engineering categories.
Understanding the reactivity of monomers is crucial in creating copolymers and determining the outcome of copolymerization. Covering the fundamental aspects of polymerization, Synthesis and Applications of Copolymers explores the reactivity of monomers and reaction conditions that ensure that the newly formed polymeric materials exhibit desired properties. Referencing a wide-range of disciplines, the book provides researchers, students, and scientists with the preparation of a diverse variety of copolymers and their recent developments, with a particular focus on copolymerization, crystallization, and techniques like nanoimprinting and micropatterning.
Functional Polymers By Reversible Deactivation Radical Polymerisation
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Author : Nikhil K Singha
language : en
Publisher: Smithers Rapra
Release Date : 2017-03-30
Functional Polymers By Reversible Deactivation Radical Polymerisation written by Nikhil K Singha and has been published by Smithers Rapra this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-30 with Science categories.
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.
The Chemistry Of Radical Polymerization
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Author : Graeme Moad
language : en
Publisher: Elsevier
Release Date : 2005-12-06
The Chemistry Of Radical Polymerization written by Graeme Moad and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-06 with Science categories.
In the ten years since the first edition appeared the renaissance in Free Radical Polymerization has continued to gain momentum. In this second revised edition, the authors critically evaluate the findings of the last decade, where necessary reinterpreting earlier work in the light of these ideas, and point to the areas where current and future research is being directed. The overall aim is to provide a framework for further extending our understanding of free radical polymerization and create a definable link between synthesis conditions and polymer structure and properties. The authors have updated all chapters, and added many new references and two new chapters to reflect the significant advances made in radical polymerization. One new chapter has been devoted to the area of living radical polymerization which is now responsible for a very substantial fraction of the papers in the field. In addition to offering polymers with unique compositions and properties not achievable with other methodologies, living radical polymerization has also been combined with other processes and mechanisms to give structures and architectures that were not previously thought possible. The developments are seen to have great application particularly in the emerging areas of electronics, biotechnology and nanotechnology. - An excellent text suitable for graduates in polymer chemistry and a reference source for researchers and practitioners in radical polymerization - Seven chapters revised and updated with eight years of new research - A new chapter devoted to the growing field of living radical polymerization
Functional Polymers
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Author : Raja Shunmugam
language : en
Publisher: CRC Press
Release Date : 2017-05-08
Functional Polymers written by Raja Shunmugam and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-08 with Science categories.
This new book covers the synthetic as well application aspects of functional polymers. It highlights modern trends in the field and showcases the recent characterization techniques that are being employed in the field of polymer science. The chapters are written by top-notch scientists who are internationally recognized in the field. The chapters will highlight the modern trend in the field.
Raft Polymerization 2 Volume Set
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Author : Graeme Moad
language : en
Publisher: John Wiley & Sons
Release Date : 2022-03-14
Raft Polymerization 2 Volume Set written by Graeme Moad and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-03-14 with Science categories.
Explore this one-stop resource for reversible addition-fragmentation chain transfer polymerization from a leading voice in chemistry RAFT Polymerization: Methods, Synthesis and Applications delivers a comprehensive and insightful analysis of reversible addition-fragmentation chain transfer polymerization (RAFT) and its applications to fields as diverse as material science, industrial chemistry, and medicine. This one-stop resource offers readers a detailed synopsis of the current state of RAFT polymerization. This text will inspire further research and continue the drive to an ever-increasing range of applications by synthesizing and explaining the more central existing literature on RAFT polymerization. It contains a beginner’s guide on how to do a RAFT polymerization before moving on to much more advanced techniques and concepts, like the kinetics and mechanisms of the RAFT process. The distinguished editors have also included resources covering the four major classes of RAFT agents and recent developments in processes for initiating RAFT polymerization. Readers will also benefit from the inclusion of: A thorough introduction to the mechanisms, theory, and mathematical modeling of RAFT Explorations of RAFT agent design and synthesis, dithioesters, dithiobenzoates, trithiocarbonates, xanthates, dithiocarbamates, macromonomer RAFT, and RAFT copolymerization Discussions of a variety of RAFT architectures, including multiblocks, combs, hyperbranched polymers, and stars Treatments of end group transformation, cationic RAFT, high-throughput RAFT, and RAFT in continuous flow An examination of sequence defined polymers by RAFT Perfect for organic chemists, polymer chemists, and materials scientists, RAFT Polymerization: Methods, Synthesis and Applications will also earn a place in the libraries of chemical engineers seeking a one-stop reference for this method of controlled radical polymerization with a wide range of applications in multiple areas.
Polymer Science A Comprehensive Reference
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Author :
language : en
Publisher: Newnes
Release Date : 2012-12-05
Polymer Science A Comprehensive Reference written by and has been published by Newnes this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-05 with Technology & Engineering categories.
The progress in polymer science is revealed in the chapters of Polymer Science: A Comprehensive Reference, Ten Volume Set. In Volume 1, this is reflected in the improved understanding of the properties of polymers in solution, in bulk and in confined situations such as in thin films. Volume 2 addresses new characterization techniques, such as high resolution optical microscopy, scanning probe microscopy and other procedures for surface and interface characterization. Volume 3 presents the great progress achieved in precise synthetic polymerization techniques for vinyl monomers to control macromolecular architecture: the development of metallocene and post-metallocene catalysis for olefin polymerization, new ionic polymerization procedures, and atom transfer radical polymerization, nitroxide mediated polymerization, and reversible addition-fragmentation chain transfer systems as the most often used controlled/living radical polymerization methods. Volume 4 is devoted to kinetics, mechanisms and applications of ring opening polymerization of heterocyclic monomers and cycloolefins (ROMP), as well as to various less common polymerization techniques. Polycondensation and non-chain polymerizations, including dendrimer synthesis and various "click" procedures, are covered in Volume 5. Volume 6 focuses on several aspects of controlled macromolecular architectures and soft nano-objects including hybrids and bioconjugates. Many of the achievements would have not been possible without new characterization techniques like AFM that allowed direct imaging of single molecules and nano-objects with a precision available only recently. An entirely new aspect in polymer science is based on the combination of bottom-up methods such as polymer synthesis and molecularly programmed self-assembly with top-down structuring such as lithography and surface templating, as presented in Volume 7. It encompasses polymer and nanoparticle assembly in bulk and under confined conditions or influenced by an external field, including thin films, inorganic-organic hybrids, or nanofibers. Volume 8 expands these concepts focusing on applications in advanced technologies, e.g. in electronic industry and centers on combination with top down approach and functional properties like conductivity. Another type of functionality that is of rapidly increasing importance in polymer science is introduced in volume 9. It deals with various aspects of polymers in biology and medicine, including the response of living cells and tissue to the contact with biofunctional particles and surfaces. The last volume is devoted to the scope and potential provided by environmentally benign and green polymers, as well as energy-related polymers. They discuss new technologies needed for a sustainable economy in our world of limited resources. Provides broad and in-depth coverage of all aspects of polymer science from synthesis/polymerization, properties, and characterization methods and techniques to nanostructures, sustainability and energy, and biomedical uses of polymers Provides a definitive source for those entering or researching in this area by integrating the multidisciplinary aspects of the science into one unique, up-to-date reference work Electronic version has complete cross-referencing and multi-media components Volume editors are world experts in their field (including a Nobel Prize winner)
Introduction To Polymer Science And Chemistry
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Author : Manas Chanda
language : en
Publisher: CRC Press
Release Date : 2013-01-11
Introduction To Polymer Science And Chemistry written by Manas Chanda and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-01-11 with Technology & Engineering categories.
Industry and academia remain fascinated with the diverse properties and applications of polymers. However, most introductory books on this enormous and important field do not stress practical problem solving or include recent advances, which are critical for the modern polymer scientist-to-be. Updating the popular first edition of "the polymer book for the new millennium," Introduction to Polymer Science and Chemistry: A Problem-Solving Approach, Second Edition seamlessly integrates exploration of the fundamentals of polymer science and polymer chemistry. See What’s New in the Second Edition: Chapter on living/controlled radical polymerization, using a unique problem-solving approach Chapter on polymer synthesis by "click" chemistry, using a unique problem-solving approach Relevant and practical work-out problems and case studies Examples of novel methods of synthesis of complex polymer molecules by exciting new techniques Figures and schematics of the novel synthetic pathways described in the new examples Author Manas Chanda takes an innovative problem-solving approach in which the text presents worked-out problems or questions with answers at every step of the development of a new theory or concept, ensuring a better grasp of the subject and scope for self study. Containing 286 text-embedded solved problems and 277 end-of-chapter home-study problems (fully answered separately in a Solutions Manual), the book provides a comprehensive understanding of the subject. These features and more set this book apart from other currently available polymer chemistry texts.