Free Radical Co Polymerization Of Methyl Methacrylate And Styrene In Room Temperature Ionic Liquids
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Free Radical Co Polymerization Of Methyl Methacrylate And Styrene In Room Temperature Ionic Liquids
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Author : Hongwei Zhang
language : en
Publisher:
Release Date : 2004
Free Radical Co Polymerization Of Methyl Methacrylate And Styrene In Room Temperature Ionic Liquids written by Hongwei Zhang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Free Radical Polymerization In Room Tem P Erature Ionic Liquids
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Author :
language : en
Publisher:
Release Date : 2006
Free Radical Polymerization In Room Tem P Erature Ionic Liquids written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
The methodology of conventional free radical polymerization was employed throughout our research to study polymerization behavior in three RTILs (room temperature ionic liquids): 1-butyl-3-methylimidazolium hexafluoroposphate ([BMIM]PF6), (tetrabutylammonium dioctyl) sulfosuccinate (Terrasail) and (1-isopropyl- 3-methylimidazolium) methanesulfonate (Marisail). Sequential addition free radical polymerization in RTILs emerged as a new route to obtain polystyrene - poly(methyl methacrylate) block copolymers. We applied the same strategy to the block copolymerization of other two systems: the monomer pair of styrene-vinyl acetate in Terrasail, and the monomer pair of styrene-acrylic acid in [BMIM]PF6. While styrene-vinyl acetate block copolymers with a composition of 50% (VAc mol%) were obtained, the polymerization of styrene-acrylic acid only yielded polymers with mainly styrene units. Therefore, sequential addition free radical polymerization in RTILs is not effective on all polymerization systems (eg. Styreneacrylic acid/[BMIM]PF6). Our study on free radical homopolymerization of 2-hydroxyethyl methacrylate (HEMA) in RTILs showed that the positive effects of employing RTILs as reaction medium could be extended from polymerization of alkyl methacrylates to that of functional methacrylates. All of the reactions exhibited very high polymerization rates, and the resulting products possessed higher molecular weight than those polymers obtained using methanol as solvent. Copolymerizations of the monomer pairs styrene/vinyl acetate, styrene/acrylic acid, styrene/HEMA (2-hydroxyethyl methacrylate) were carried out in RTILs via conventional free radical polymerization. However, our results failed to show any dramatic effects of RTILs on the free radical copolymerization, although RTILs are believed to be able to enhance the rates of propagation while depressing the rates of termination in homopolymerizations.
Applications Of Ionic Liquids In Polymer Science And Technology
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Author : David Mecerreyes
language : en
Publisher: Springer
Release Date : 2015-04-08
Applications Of Ionic Liquids In Polymer Science And Technology written by David Mecerreyes and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-08 with Science categories.
This book summarizes the latest knowledge in the science and technology of ionic liquids and polymers in different areas. Ionic liquids (IL) are actively being investigated in polymer science and technology for a number of different applications. In the first part of the book the authors present the particular properties of ionic liquids as speciality solvents. The state-of-the art in the use of ionic liquids in polymer synthesis and modification reactions including polymer recycling is outlined. The second part focuses on the use of ionic liquids as speciality additives such as plasticizers or antistatic agents. The third part examines the use of ionic liquids in the design of functional polymers (usually called polymeric ionic liquids (PIL) or poly(ionic liquids)). Many important applications in diverse scientific and industrial areas rely on these polymers, like polymer electrolytes in electrochemical devices, building blocks in materials science, nanocomposites, gas membranes, innovative anion sensitive materials, smart surfaces, and a countless set range of emerging applications in different fields such as energy, optoelectronics, analytical chemistry, biotechnology, nanomedicine or catalysis.
Free Radical Copolymerization Of Styrene And Methyl Methacrylate At Elevated Temperatures
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Author : Sheena Shankar
language : en
Publisher:
Release Date : 2004
Free Radical Copolymerization Of Styrene And Methyl Methacrylate At Elevated Temperatures written by Sheena Shankar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Ionic Liquids And Their Application In Green Chemistry
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Author : Jamal Akhter Siddique
language : en
Publisher: Elsevier
Release Date : 2023-07-20
Ionic Liquids And Their Application In Green Chemistry written by Jamal Akhter Siddique and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-20 with Science categories.
Ionic liquids and Their Application in Green Chemistry covers the synthesis and characterization of a broad range of ionic liquids (ILs) and their polymers, along with their application in multiple areas for nanomaterials and environmental sustainability. The book provides reference material for future research in IL-based technologies for environmental and energy applications. It covers not only the conventional IL applications. but also advanced IL polymer-based materials and their application in energy storage and energy generator applications. Finally, the book discusses the major fields of application of IL-based materials in synthesis of nanomaterials and the role in graphene synthesis and its composites. Written by eminent scholars and leading experts from around the world, this book brings the literature up to date on the most recent progress in the field of IL based materials and their applications for the environmental sustainability. Covers a broad area of applications, discussing the combination of materials and green chemistry, along with ILs Provides complete information on the relationship between IL-based nanocomposites and their application in energy harvesting Presents detailed case studies to help readers understand all the pros and cons of using these materials in their future research
An Introduction To Ionic Liquids
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Author : Michael Freemantle
language : en
Publisher: Royal Society of Chemistry
Release Date : 2010
An Introduction To Ionic Liquids written by Michael Freemantle 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 2010 with Education categories.
The rapidly expanding field of ionic liquids is now a major topic of academic and industrial interest with numerous existing and potential applications. This book provides a comprehensive introduction to the field.
Ionic Liquids In Polymer Systems
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Author : Robin D. Rogers
language : en
Publisher:
Release Date : 2005
Ionic Liquids In Polymer Systems written by Robin D. Rogers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Language Arts & Disciplines categories.
This book includes manuscripts from well-recognized international research groups that have taken different approaches to using ionic liquids in a variety of polymer applications. The chapters on polymer synthesis cover traditional free radical polymerizations, which have been shown to progress rapidly and yield high molecular weight polymers, and reverse atom transfer polymerizations. The ability to tune molecular weights and synthesize block copolymers has been attributed to long free radical lifetimes in ionic liquids. Other chapters cover a variety of uses for ionic liquids in polymer processing, designing specific material properties, and creating novel composites, such as ion gels and ionic liquid-carbon nanotube constructs. This book represents a new and exciting field in polymer chemistry and physics, and is growing rapidly as more fundamental knowledge of ionic liquids is uncovered.
Streamlining Free Radical Green Chemistry
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Author : V. Tamara Perchyonok
language : en
Publisher: Royal Society of Chemistry
Release Date : 2012
Streamlining Free Radical Green Chemistry written by V. Tamara Perchyonok 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 2012 with Science categories.
This practical, concise guide showcases the sustainable methods offered by green free radical chemistry and summarizes the fundamental science involved.
Ionic Liquids
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Author : Scott Handy
language : en
Publisher: BoD – Books on Demand
Release Date : 2015-05-21
Ionic Liquids written by Scott Handy and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-05-21 with Science categories.
Ionic liquids continue to attract a great deal of research attention in an even increasing number of areas, including more traditional areas such as synthesis (organic and materials) and physical properties studies and predictions, as well as less obvious areas such as lubrication and enzymatic transformations. In this volume, recent advances in a number of these different areas are reported and reviewed, thus granting some appreciation for the future that ionic liquids research holds, and affording inspiration for those who have not previously considered the application of ionic liquids in their area of interest.
Green Chemistry And Technologies
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Author : Long Zhang
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2018-09-24
Green Chemistry And Technologies written by Long Zhang and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-24 with Science categories.
The book gives a systematic introduction to green chemistry principles and technologies in inorganic and organic chemistry, polymer sciences and pharmaceutical industry. It also discusses the use of biomass and marine resources for synthesis as well as renewable energy utilization and the concepts and evaluation of recycling economy and eco-industrial parks.