Download or read book Living controlled Radical Polymerization in a Continuous Tubular Reactor written by Thomas Edward Enright and published by . This book was released on 2010 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Significant advances have been made in the understanding of living/controlled radical polymerization processes since their discovery in the early 1990's. These processes enable an unprecedented degree of control over polymer architecture that was previously not possible using conventional radical polymerization processes, and this has made possible the synthesis of many new and interesting materials. However, there has been only limited success in commercializing these new methods. Recently there has been increased focus on the development of more industrially viable processes. Dispersed aqueous phase reactions have received much attention because these water-based processes have several technical, economic, and environmental benefits over the more common solution and bulk reactions that were originally developed. Likewise, there has been some investigation of using continuous reactors that have potential technical and economic benefits over the more commonly employed batch reactors. This thesis presents an in-depth study that combines the three aforementioned technologies: living/controlled radical polymerization, dispersed phase aqueous reactions, and continuous reactors. Specifically, the system of interest is a nitroxide-mediated miniemulsion polymerization reaction in a continuous tubular reactor to produce polymer latex. Design of the continuous tubular reactor is discussed in some detail with a focus on specific technical challenges that were faced in building a functional apparatus for this system. Scoping experiments are described which identified a significant effect of temperature ramping rate that is critical to understand when moving to larger scale reactors for this system. The unexpected phenomenon of room temperature polymerization initiated by ascorbic acid is also described. There is demonstration for the first time that bulk and miniemulsion polymers can be produced in a tubular reactor under controlled nitroxide-mediated polymerization conditions, and copolymers can be produced. A detailed residence time distribution study for the tubular reactor is also shown, and several interesting phenomena are discussed that have implications on the practical operating conditions of the tubular reactor. This particular study makes it clear that one should experimentally verify the residence time distribution within a continuous system with the reactants of interest, and that model systems may not give an accurate picture of the real system.
Download or read book Control of Polymerization Reactors written by Joseph Schork and published by CRC Press. This book was released on 1993-03-09 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference and text provides an in-depth description of developments in control techniques and their application to polymerization reactors and offers important introductory background information on polymerization reaction engineering.;Discussing modelling, identification, linear, nonlinear and multivariable schemes, Control of Polymerization Reactors: presents all available techniques that can be used to control reactors properly for optimal performance; shows how to manipulate pivotal variables that affect reactor control; examines methods for deriving dynamic process models to improve reactor efficiency; reviews reactor control problems and points out end-use properties; supplies methods for measuring process variables, and ways to estimate variables that can't be measured; and explains how single-input, single-output (SISO) strategies can be effectively used for control.;Filled with illustrative examples to clarify concepts, including more than 730 figures, tables and equations, Control of Polymerization Reactors is intended for use as a reference for chemical, process development, process design, research and development, control systems, and polymer engineers; and polymer chemists and physicists; as well as a text for upper-level undergraduate and graduate students in polymerization reactor control courses.
Download or read book Controlled living Radical Polymerization written by Krzysztof Matyjaszewski and published by . This book was released on 2000 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines recent progress in controlled/living radical polymerization. The volume focuses on three synthetic methods: atom transfer radical polymerization, nitroxide mediated polymerization and degenerative transfer via addition fragmentation. In addition, the volume covers the preparation and characterization of many never before seen materials using ATRP, NMP and RAFT.
Download or read book Free Radical Polymerization in a Continuous Filled Tubular Reactor with Multifunctional Initiators written by Won Jung Yoon and published by . This book was released on 1992 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Advances in Controlled living Radical Polymerization written by Krzysztof Matyjaszewski and published by . This book was released on 2003 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Controlled/Living Radical Polymerization presents new developments in controlled/living radical polymerization in three areas: atom transfer radical polymerization (ATRP), nitroxide mediated polymerization (NMP), and reversible addition-fragmentation transfer (RAFT). This book also includes synthesis and characterization of many new materials.
Download or read book Mathematical Modeling of Bulk and Solution Free Radical Polymerization in Tubular Reactors written by Carl John Stevens and published by . This book was released on 1988 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Controlled living Radical Polymerization written by Krzysztof Matyjaszewski and published by Academic. This book was released on 2009 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent progress in the field of controlled/living radical polymerization.
Download or read book Radical Polymerization written by Michael Buback and published by John Wiley & Sons. This book was released on 2007-07-16 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: The IUPAC-sponsored International Symposium on "Radical Polymerization: Kinetics and Mechanism" was held in Il Ciocco (Italia) during the week September 3-8, 2006. It was the fourth within the series of so-called SML conferences, which are the major scientific forum for addressing kinetic and mechanistic aspects of free-radical polymerization and of ontrolled radical polymerization. Top international authors like K. Matyjaszewski, T. P. Davis, T. Fukuda and others present their latest research. The five major themes covered were: Fundamentals of Free-Radical Polymerization, Heterogeneous Polymerization, Controlled Radical Polymerization, Polymer Reaction Engineering, and Polymer Characterization. SML IV again marked an important step forward toward the better understanding of the kinetics and mechanism of radical polymerization, which is extremely relevant for both conventional and controlled radical polymerization and for people in academia as well as in industry.
Download or read book Controlled Radical Polymerization written by Krzysztof Matyjaszewski and published by . This book was released on 1998 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent work in polymer chemistry has allowed scientists to control the polymerization reaction and produce increasingly well-defined polymers. This volume examines current work in the field and describes the synthesis of new materials. It includes discussions of nitroxide-mediated and metal-mediated radical polymerizations. It also includes an overview of the fundamentals of radical chemistry, making it accessible to a wide range of chemists and materials scientists.
Download or read book Continuous Polymerization Reactors written by American Institute of Chemical Engineers and published by . This book was released on 1976 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Modelling and Experimental Studies of Free Radical Polymerization Reactors written by Xiaomang Zhang and published by . This book was released on 1996 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Radical Polymerization Kinetics and Mechanism written by and published by Cuvillier Verlag. This book was released on 2006-08-22 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Functional Controlled Living Radical Polymers written by Vivek Mishra and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a good understanding of the progress being made in controlled radical polymerization process. The basic principle of controlled/living radical polymerization is fundamental to the creation of new radical polymerization techniques including atom transfer radical, and reversible addition-fragmentation transfer polymerization. These discoveries bring new life to the field of free radical polymerization; indeed, an abundance of polymer materials with different topologies have been prepared. I hope that this Special Topic on "Functional Controlled/Living Radical Polymers: Synthesis, Kinetics and Physico-chemical Properties" will cultivate new ideas and catalyze discoveries in every reader's laboratory. This book is aimed to provide information related to the newest controlled radical polymerization methodology, ATRP and RAFT, their required components and their advantages and necessities. I demonstrates that how simple molecule selectively arrange as different topology like linear, star, multi arm polymers containing functional groups for various applications.
Download or read book Controlled living Radical Polymerization written by Krzysztof Matyjaszewski and published by ACS Symposium. This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is focused on recent progress in the dynamically developing field of controlled/living radical polymerization. It is a sequel to ACS Symposium Series 685, 768, 854, and 944. The volume contains 24 chapters on other controlled/living radical polymerization techniques including kinetics and mechanism of RAFT, DT, NMP, and OMRP, macromolecular architecture by RAFT, DT, and NMP, materials prepared by RAFT and NMP, and industriral aspects of RAFT and NMP.
Download or read book Solution Polymerizations in Continuous Stirred Tank Reactors and Tubular Reactors written by John William Hamer and published by . This book was released on 1983 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polymerization Reactors and Processes written by James Neil Henderson and published by . This book was released on 1979 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Controlled Radical Polymerization written by Krzysztof Matyjaszewski and published by ACS Symposium. This book was released on 2016-02-22 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book and the following volume (1188: Controlled Radical Polymerization: Materials) are addressed to chemists and polymer scientists interested in radical processes, and especially in controlled/living radical polymerization. The chapters in this first volume summarize the most recent advances in the field, including mechanistic, materials, and applications aspects. Controlled/living radical polymerization (CRP) or reversible-deactivation radical polymerization (RDRP, as recommended by IUPAC) is among the most rapidly expanding areas of chemistry and polymer science. This first volume provides an overview of the current status of controlled/living radical polymerization (CRP) systems, and also discusses important issues relevant to all radical polymerization methods. The mechanistic and kinetic aspects of ATRP are also covered, as well as more complex mechanisms such as "hybrid" processes. Thirty-seven chapters published in two volumes show that there have been significant developments in CRP over the last 15 years. New systems have been discovered; substantial progress has been achieved in understanding the mechanism and kinetics of reactions involved in all CRP systems. As a result of these advances, significant progress has been made towards developing a comprehensive relationship between molecular structure and macroscopic properties. Several commercial applications of CRP have been announced and it is anticipated that new products made by CRP will soon be on the market.
