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Mechanistic Studies Of Cyclic Ester Polymerizations By Discrete Metal Alkoxide Catalysts
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Book Synopsis Mechanistic Studies of Cyclic Ester Polymerizations by Discrete Metal-alkoxide Catalysts by : Laurie Ellen Breyfgle
Download or read book Mechanistic Studies of Cyclic Ester Polymerizations by Discrete Metal-alkoxide Catalysts written by Laurie Ellen Breyfgle and published by . This book was released on 2005 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Olefin Metathesis and Polymerization Catalysts by : Yavuz Imamogammalu
Download or read book Olefin Metathesis and Polymerization Catalysts written by Yavuz Imamogammalu and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: Olefin metathesis reaction can be considered as one of the most successful organic reactions with many applications in the low molecular weight range and also in the polymer field. The use of catalysts with their selective and effective transformation properties in olefin metathesis I polymerization systems is a growing interest. There has been great effort and competition in developing active and commercially useful catalysts. The main aim of this ASI was to gather several research groups and also the people from industry. to present existing knowledge and latest results in the field. A wide range of topics through homogeneous and heterogeneous aspects have been considered. Attention has been drawn to the metal-carbene and metallacyclobutane complexes as active species, the initiation mechanisms, the stereochemistry and thermodynamics of these reactions. New catalytic systems for the metathesis of alkenes and alkynes and fot' ring opening polymeriZation I block copolymerization reactions have been introduced. Spectroscopic studies for the characteriZation of catalysts, simulation studies explaining the function of chain carrier species and polymer degradation have also been covered. A detailed industrial report concerning the patents and applications in olefin metathesis I cyc1001efin polymerization area, fabrication and derivation has been presented. This volume contains the main lectures and seminars given at the NATO Advanced Study Institute on " Olefin Metathesis and Polymerization Catalysts: Synthesis, Mechanism and Utilization", held at Akcay. Babkesir. Turkey between 10th and 22nd September 1989.
Book Synopsis Organic Catalysis for Polymerisation by : Andrew Dove
Download or read book Organic Catalysis for Polymerisation written by Andrew Dove and published by Royal Society of Chemistry. This book was released on 2018-11-15 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years polymerisation using organocatalysts has become an appealing alternative to more traditional metal-based catalysts. Conferring numerous advantages including low cost and ease of use, as well as the ability to precisely control the synthesis of advanced polymer structures, organocatalysts are increasingly used in polymer synthesis. Organic Catalysis for Polymerisation provides a holistic overview of the field, covering all process in the polymer synthesis pathway that are catalysed by organic catalysts. Sub-divided into two key sections for ease of use, the first focuses on recent developments in catalysis and the applications of catalysts to the full range of polymerisations that they have been utilised in; the second concerning monomers, arranges the field by monomer type and polymerisation mechanism. The book will therefore, provide a complimentary view of the field, providing both an overview of state-of-the-art catalyst development and also the best methodologies available to create specific polymer types. Edited by leading figures in the field and featuring contributions from researchers across the globe, this title will serve as an excellent reference for postgraduate students and researchers in both academia and industry interested in polymer chemistry, organic chemistry, catalysis and materials science.
Book Synopsis Computational Mechanistic and Stereochemical Studies of Single-site Polymerisation Catalysts and Reactions by :
Download or read book Computational Mechanistic and Stereochemical Studies of Single-site Polymerisation Catalysts and Reactions written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of the Ring-opening Polymerization of Cyclic Ethers and Esters by Coordinate Catalysis by : Diana Navarro-Llobet
Download or read book Studies of the Ring-opening Polymerization of Cyclic Ethers and Esters by Coordinate Catalysis written by Diana Navarro-Llobet and published by . This book was released on 2002 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanistic Insights Towards New Reactions and Materials by : Matthew Karl Kiesewetter
Download or read book Mechanistic Insights Towards New Reactions and Materials written by Matthew Karl Kiesewetter and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalysis is the enabling science of polymer synthesis, and new catalytic mechanisms yield new materials. The developement of organocatalysts for polymer synthesis has, particularly in the last decade, spawned an impressive array of new catalysts, processes and mechanistic insights. While the focus of most recent research in organocatalysis has concentrated on enantioselective synthesis of small molecules, organocatalysis offers a number of opportunities in polymer synthesis and was among the earliest methods of catalyzing the synthesis of polyesters. The enthalpy of ring opening of cyclic esters or carbonates drives the majority of organocatalyic polymerization reactions catalyzed by a still-evolving array of organocatalysts. Organocatalysts are thought to effect polymerization of cyclic esters by several mechanisms. Some proceed via a monomer activated mechanism whereby the catalyst activates the cyclic ester towards transesterification to the polymer chain. Others operate by an alcohol activation mechanism where the alcoholic end group of the growing polymer chain is activated to induce transesterification. Some are thought to be operative by a combination of these mechanisms. The unique reactivity offered by organocatalysts has provided access to precisely controlled macromolecular architectures and well-defined (co)polymers including a wide array of functionality. The notion that rate must be sacrificed to implement organocatalysts is fading with the discovery of transesterification organocatalysts that rival in reaction rate even the most active metal-containing catalysts. Cyclopentadienyl ruthenium complexes with quinaldic acid-type ligands are robust allylation catalysts in alcoholic solvents, but they are sensitive to dissolved oxygen, requiring reactions to be conducted in an inert atmosphere. Moving from alcoholic to neat aqueous solvents decreases the rate of deallylation but allows the reaction to be conducted in air without loss of catalyst activity over the course of the reaction. These complexes are also effective for the formation of allyl ethers, allowing the synthesis of poly(2,5-dihydrofuran) from the condensation polymerization of 2-cis-butene-1,4-diol. This material was previously deemed inaccessible via traditional polycondensation catalysts.
Book Synopsis Catalysis in Precision Polymerization by : Shiro Kobayashi
Download or read book Catalysis in Precision Polymerization written by Shiro Kobayashi and published by John Wiley & Sons. This book was released on 1997-08-15 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive survey of the entire field of catalysis in polymer synthesis covering the majority of essential aspects from basic organic, organometallic and bio-chemistry to industrial production. Particular emphasis is placed on "precision polymerization," where the catalyst plays a key role in the fabrication of innovative polymers. Precision polymerization enables the production of polymers with precisely controlled structures, molecular weight, distribution and stereochemistry, free from defects.
Book Synopsis Co-ordination Chemistry, Kinetics and Mechanistic Studies of Ring-opening Polymerization of Cyclic Esters by Formamidine and Benzimidazolyi Mg (ll) and Zn(ll) Complexes by : Ekemini Daniel Akpan
Download or read book Co-ordination Chemistry, Kinetics and Mechanistic Studies of Ring-opening Polymerization of Cyclic Esters by Formamidine and Benzimidazolyi Mg (ll) and Zn(ll) Complexes written by Ekemini Daniel Akpan and published by . This book was released on 2016 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Early Transition Metal Catalyzed Synthesis of Complex Polymer Architectures by : Gobinda Saha
Download or read book Early Transition Metal Catalyzed Synthesis of Complex Polymer Architectures written by Gobinda Saha and published by . This book was released on 2007 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: These advances provide powerful new synthetic tools for polymer science on the way of bridging radical, ring opening and coordination polymerizations. Their implementation will converge in the controlled synthesis of monodisperse polymer structures with complex new architectures and unusual topologies and compositions based on a wide, previously inaccessible selection of monomers and therefore leading to new material properties.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Early Main Group Metal Catalysis by : Sjoerd Harder
Download or read book Early Main Group Metal Catalysis written by Sjoerd Harder and published by John Wiley & Sons. This book was released on 2020-04-06 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Early Main Group Metal Catalysis gives a comprehensive overview of catalytic reactions in the presence of group 1 and group 2 metals. Chapters are ordered to reaction type, contain educational elements and deal with concepts illustrated by examples that cover the main developments. After a short introduction on polar organometallic chemistry and synthesis of early main group metal complexes, a variety of catalytic reactions are described, e.g. polymerization of alkenes, hydroamination and phosphination reactions, hydrosilylation, hydroboration and hydrogenation catalysis, as well as enantioselective and Lewis-acid catalysis. The book addresses organic chemists and researchers in industry interested in the state-of-the-art and new possibilities of early main group metal catalysis as well as newcomers to the field. Written by a team of leaders in the field, it is a very welcome addition to the area of main group metal chemistry, and to the field of catalysis.
Book Synopsis Green Polymer Composites Technology by : Inamuddin
Download or read book Green Polymer Composites Technology written by Inamuddin and published by CRC Press. This book was released on 2016-11-03 with total page 1590 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a comprehensive introduction to "green" or environmentally friendly polymer composites developed using renewable polymers of natural origin such as starch, lignin, cellulose acetate, poly-lactic acid (PLA), polyhydroxylalkanoates (PHA), polyhydroxylbutyrate (PHB), etc., and the development of modern technologies for preparing green composites with various applications. The book also discusses major applications of green polymer composites in industries such as medicine, biotechnology, fine chemicals and engineering.
Book Synopsis Cooperative Catalysis by : René Peters
Download or read book Cooperative Catalysis written by René Peters and published by John Wiley & Sons. This book was released on 2015-01-30 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by experts in the field, this is a much-needed overview of the rapidly emerging field of cooperative catalysis. The authors focus on the design and development of novel high-performance catalysts for applications in organic synthesis (particularly asymmetric synthesis), covering a broad range of topics, from the latest progress in Lewis acid / Brønsted base catalysis to e.g. metal-assisted organo catalysis, cooperative metal/enzyme catalysis, and cooperative catalysis in polymerization reactions and on solid surfaces. The chapters are classified according to the type of cooperating activating groups, and describe in detail the different strategies of cooperative activation, highlighting their respective advantages and pitfalls. As a result, readers will learn about the different concepts of cooperative catalysis, their corresponding modes of operation and their applications, thus helping to find a solution to a specific synthetic catalysis problem.
Book Synopsis Polymer Science: A Comprehensive Reference by :
Download or read book Polymer Science: A Comprehensive Reference written by and published by Newnes. This book was released on 2012-12-05 with total page 7752 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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)
Book Synopsis Modern Organoaluminum Reagents by : Simon Woodward
Download or read book Modern Organoaluminum Reagents written by Simon Woodward and published by Springer. This book was released on 2012-11-14 with total page 323 pages. Available in PDF, EPUB and Kindle. Book excerpt: Janusz Lewiński and Andrew E. H. Wheatley: Simple trivalent organoaluminum species: perspectives on structure, bonding and reactivity.- Stephan Schulz: Organoaluminum complexes with bonds to s-block, p-block, d-block, and f-block metal centers.- Samuel Dagorne and Christophe Fliedel: Low valent organoaluminium (+I, +II) species.- Rudolf Wehmschulte: Organoaluminum species in homogeneous polymerization catalysis.- Paul Knochel, Tobias Blümke, Klaus Groll and Yi-Hung Chen: Preparation of Organoalanes for Organic Synthesis.- Yuki Naganawa and Keiji Maruoka: Reactions Triggered by Lewis Acidic Organoaluminum Species.- Usein M. Dzhemilev and Vladimir A. D'yakonov: Hydro-, Carbo- and Cycloalumination of Unsaturated Compounds.- Andreas Kolb and Paultheo von Zezschwitz: Organoaluminum Couplings to Carbonyls, Imines and Halides.- Oscar Pàmies and Montserrat Diéguez: Conjugate Addition of Organoaluminum Species to Michael Acceptors and Related Processes.
Book Synopsis Macroporous Polymers by : Bo Mattiasson
Download or read book Macroporous Polymers written by Bo Mattiasson and published by CRC Press. This book was released on 2009-12-23 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Macroporous polymers are rapidly becoming the material of choice for many tissue engineering, bioseparation, and bioprocessing applications. However, while important information is scattered about in many different publications, none, to date, have drawn this information together in user-friendly format, until now. Meeting the need for an accessibl
Book Synopsis Comprehensive Coordination Chemistry II by : J. A. McCleverty
Download or read book Comprehensive Coordination Chemistry II written by J. A. McCleverty and published by Newnes. This book was released on 2003-12-03 with total page 11845 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Coordination Chemistry II (CCC II) is the sequel to what has become a classic in the field, Comprehensive Coordination Chemistry, published in 1987. CCC II builds on the first and surveys new developments authoritatively in over 200 newly comissioned chapters, with an emphasis on current trends in biology, materials science and other areas of contemporary scientific interest.
