Synthesis and applications of imidazoliumbased ionic liquids and their polymer derivatives by woon su oh a dissertation presented to the faculty of the graduate school of the missouri university of science and technology in partial fulfillment of the requirements for the degree doctor of philosophy in chemistry 2012 approved by. The stateofthe art in the use of ionic liquids in polymer synthesis and. Synthesis and applications of imidazoliumbased ionic. The stille coupling reaction has been performed in 1butyl3methylimidazolium tetrafluoroborate bmim bf4, a roomtemperature ionic liquid rtil. Edited and written by renowned experts in the field, this is the first book to reflect the state of the art of nanocatalysis in ionic liquids. Ionic liquids have been found to be convenient solvents for the synthesis of polyimides requiring milder reaction conditions for the synthesis of high.
The ionic conductivity of the polymer salts and their compositions with individual ionic liquids has been studied in the frequency range 50106 hz. Room temperature ionic liquids for polymer synthesis sara e. Herein, the synthesis of polymeric ionic liquids pils with paramagnetic anions based on tetrachloroferrateiii fecl 4. Chapter 5 polymers with ionic liquid fragments as potential. Solvents for polymer chemistry iolitec ionic liquids. We demonstrate here that heterogeneous catalysts of ionic liquids functionalized on superhydrophobic mesoporous polymers exhibit much higher activities in transesterification to form biodiesel than. Their use can be classified as process chemicals e. Synthesis of paramagnetic polymers using ionic liquid. Synthesis and properties of methacrylatebased ionic networked polymers containing ionic liquids. Ionic liquids have emerged as an environmentally friendly alternative to the volatile organic solvents. Syntheses of high molecular weight hydroxy functional copolymers by green and selective polycondensation methods xin yang, dexing li, chenggang song, peiyuan shao, shiming wang, ziqing wang.
Synthesis and characterization of ionic liquid monomers. Ionic liquids in the synthesis and modification of polymers. Ionic liquids are good solvents for cellulose that provide a media for wide variety of reactions. Ultrasoundassisted reactions for ionic liquids synthesis. The disclosures herein provide a process for conducting a nucleophilic aromatic substitution reaction in an ionic liquid and forming a polymeric material. This toolbox involves the synthesis of useful and soluble cellulose intermediates that can be used for subsequent modification, in addition to synthesis routes for novel cellulose derivatives. Download product flyer is to download pdf in new tab. Macfarlane 3 1department of materials engineering, 3 school of chemistry, monash university, australia 2australian centre of excellence in electromaterials science, intelligent polymer research institute, university of wollongong. Ex situ and in situ screening of pilbcpil composite ionomers.
A dissertation in chemistry submitted to the graduate faculty. Certain salts like piridinium chloride, can exist in a liquid form even at room temperature room temperature ionic liquids rtils. Use of this solvent system allows for facile recycling of the solvent and catalyst system, which can be used at least five times with little loss in activity. The formation of the novel polymers encompassing the paramagnetic anions is proven by uvvis and raman spectroscopy. Properties, and applications of ionic liquids by sergei v. It has also been demonstrated that nanoparticles stabilized by an ionic liquid polymer can be efficiently transferred between phases via. Synthesis and purification of ionic liquids 7 synthesis of ionic liquids 7 introduction 7 quaternization reactions 9 anionexchange reactions 12 lewis acidbased ionic liquids 12 anion metathesis 14 purification of ionic liquids 17 conclusions 19 quality aspects and other questions related to commercial ionic liquid production 21 introduction. Dear colleagues, polymer science has seen impressive development during the last few decades, with the advent of ionic and reversible deactivation radical polymerization techniques allowing for an unprecedented control over macromolecular properties and architectures. Ionic liquids il are actively being investigated in polymer science and technology for a number of different applications. Though primarily used as solvents, they are now finding applications in various fields like catalysis, electrochemistry, spectroscopy, and. Wo2011010116a2 synthesis method using ionic liquids. Ionic liquids in synthesis is a book that answers the majority of these questions. Ionic liquids as green reaction media for synthesis of poly. Ionic liquids il are actively being investigated in polymer science and technology.
Divided into two core areas, the first part of the book describes the different classes of metal nanoparticles as well as their synthesis in ionic liquids, while the second focuses on such emerging issues as the application of such systems to. Over the last few decades, the use of ultrasoundassisted methods has gained substantial attention from the chemical and pharma industries for the synthesis of catalysts, biofuels production, heterocyclic intermediates, compounds of medicine and many more. Ionic liquids in synthesis, 2 volume set, 2nd edition wiley. The general interesting combination of properties and the fact that properties can be tailored by design, opened already the door to applications in the field of organic, but also biochemistry and inorganic chemistry. The developments of the metathesis reaction for polymer synthesis have paralleled the opportunities in acyclic chemistry. Thus, a definition of ionic solvents is provided, and their historical background, physical properties and preparation are given the same level of coverage as the synthesis examples themselves. Sigmaaldrich offers a marketleading range of ammonium, imidazolium, phosphonium, pyridinium, pyrrolidinium, and sulfoniumbased ionic liquids. Find materials for this course in the pages linked along the left.
Being designer solvents, they can be modulated to suit the reaction conditions, therefore earning the name task specific ionic liquids. Highly conductive, ionic liquidbased polymer electrolytes. These notes are preliminary and may contain errors. Polymer synthesis in ionic liquids ionic liquids in. Walden reported the first synthesis of room temperature molten salt i. At least one ion has a delocalized charge and one component is organic, which prevents the formation of a stable crystal lattice. This book is the second in the series of publications in this field by this publisher, and contains a number of latest research developments on ionic liquids ils. While ordinary liquids such as water and gasoline are predominantly made of electrically neutral molecules, ionic liquids are largely made of ions and shortlived ion pairs. Readers will find 30 chapters collected in 6 sections on recent applications of ils in polymer sciences, material chemistry, catalysis. An ionic liquid il is a salt in a liquid form that can be used as a solvent or an electrolyte. Full article this article belongs to the special issue polymers and ionic liquids.
Ionic liquids are a new class of purely ionic, saltlike materials that are liquid at unusually low temperatures. Synthesis and properties of methacrylatebased ionic. Recent applications of ionic liquids in the solgel process. Diversity in chemistry and physics of ionic liquids are nicely coupled with the excellent processability and multivalency of polymers, allowing for task. Homogeneous catalysts usually show higher catalytic activities than heterogeneous catalysts because of their high dispersion of catalytically active sites. Ionic liquids have great potential as a nonvolatile organic medium for polymerization and polymer processing due to their nearzero vapour pressure, nonflammability, low cost and ease of. This simple and attractive procedure cannot be used in polymer chemistry because polymers are nonvola tile, but despite this limitation, ionic liquids have. The second, completely revised and enlarged edition of what has become the standard reference work in this fascinating field brings together the latest developments, supplemented by numerous practical tips, providing those working in both research and industry with an indispensable source of information. More commonly, these have melting points below room temperature. Enzymatic synthesis of polyesters in ionic liquids. This promising new area has received a lot of attention during the last 20 years. Synthesis and ionic conductivity of polymer ionic liquids. Brief history of ionic liquids the history of ionic liquids began in 1914.
Synthesis of conducting polymers in ionic liquids jenny pringle, 1 orawan ngamna, 2 jun chen, 2 gordon g. Ionic liquids as solvents for polymers the use of ionic liquids as reaction medium in organic synthesis and catalysis was suggested very early. Unlimited viewing of the articlechapter pdf and any associated supplements and figures. Biopolymeric nanoparticle synthesis in ionic liquids.
This book summarizes the latest knowledge in the science and technology of ionic liquids and polymers in different areas. Applications of ionic liquids in polymer science and. Chain transfer to impurities, ionic liquid, monomer and polymer will terminate the propagation reaction resulting in the lowmass products. A previous work of the authors based on the synthesis of silk fibroin nanoparticles by dissolving the protein in several ils is discussed. Shipinabottle synthesis of aminefunctionalized ionic. Ionic liquids have great potential as a nonvolatile organic medium for polymerization and polymer processing due to their nearzero vapour pressure, nonflammability, low cost and ease of production. Designing imidazolebased ionic liquids and ionic liquid. Yields were low, but importantly, this demonstration of polymerization has prompted subsequent studies of polymer synthesis. When polymer ionic liquids ils are used as electrolyte materials, they have a significant deficiency in regards to their conductivity.
Room temperature ionic liquids for polymer synthesis. Applications of ionic liquids in synthesis and catalysis. Applications of ionic liquids in polymer science and technology. Polymer synthesis an overview sciencedirect topics. Synthesis of ionic liquids containing functional groups 6572 51 2. Pdf advanced applications of ionic liquids in polymer science. They have been known to scientists only since the beginning of the 1900s, but only. Use of ionic liquids for synthesis and deposition of. Although there is an increasing number of reports dealing with the application of ionic liquids as solvents for organic synthesis, their use in polymer synthesis is still limited. Ionic conductivity of ionic liquid monomer m1 to m4 and polymer p1 and p2 the ionic conductivity of pure ionic liquids m1 to m4 was measured to be 1. The ionic conductivity of p1 and p2 was dependent on the. One of the most promising approaches is represented by the incorporation of ionic liquids ils into the polymer electrolytes. Synthesis and electrowetting of a new ionic liquid monomer and polymer system. New contributions have been added, to reflect the fact that industrial processes.
Paramagnetic properties are analyzed using a squid measuring system. Synthesis and characterization of ionic liquid functionalized polymers for drug delivery of an antiin. Ionic liquids as solvents for the synthesis of intrinsically conducting polymers. Imidazoliumbased ionic liquids and ionic liquid monomers are becoming increasingly popular in a variety of areas including biphasic reaction catalysis, electromechanical actuator membranes and diluents, separation science membranes, and water purification agents. An example of the biomedical application of curcuminloaded silk fibroin nanoparticles obtained with this method is also shown. Polymerized ionic liquid block copolymerionic liquid. Acyclic and cyclic metathesis were discovered independently and only later were recognized as the same reaction. This project addresses the following technical barriers from the fuel cells. Shaping up a new generation of high performances nanomaterials. Polymerizable ionic liquids and polymeric ionic liquids. Currently, its official definition uses the boiling point of water as a point of reference. An interesting preference in starting catalyst oxidation state for use with aryl.
930 1104 930 187 77 952 266 282 1071 1172 194 288 135 437 735 636 773 1030 1322 315 407 599 759 1005 193 53 686 1365 785 610 60 9 445 863 566 524 1245 1201