Download or read book Kinetics and Modeling of Free Radical Aqueous Phase Polymerization of Acrylamide with Acrylic Acid at Varying Degrees of Ionization written by CALISTA. Preusser and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Kinetics and Modeling of the Radical Polymerization of Acrylic Acid and of Methacrylic Acid in Aqueous Solution written by Nils Friedrich Gunter Wittenberg and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The radical polymerization of methacrylic acid, acrylic acid and acrylamide in aqueous solution has been investigated. Detailed kinetic models for both acrylic acid, AA, and methacrylic acid, MAA, have been developed applying the program PREDICI. Good representation of experimental conversion vs. time profiles and molar mass distributions as well as, in case of AA, the branching level could be achieved. The polymerization of MAA has been studied at 35 and 50 °C with focus on the influence of 2-mercaptoethanol, ME, as chain transfer agent, CTA, on reaction kinetics. The rate coefficient of t ...
Download or read book Radical Polymerization written by Michael Buback and published by John Wiley & Sons. This book was released on 2007-06-27 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume from the successful Macromolecular Symposia series presents the contributions from the IUPAC-sponsored International Symposium on "Radical Polymerization: Kinetics and Mechanism", held in Il Ciocco, Italy, in September, 2006. This 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 controlled radical polymerization. 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. Here, top international authors, such as K. Matyjaszewski, T. P. Davis and T. Fukuda, 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.
Download or read book Radical Polymerization Kinetics in Aqueos Solution and in Systems with Secondary and Tertiary Radicals Studied by Novel Pulsed laser Techniques written by Pascal Hesse and published by Cuvillier Verlag. This book was released on 2008 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Aqueous Phase Polymerization of Acrylamide a Kinetics and Mechanism Study written by John Perry Riggs and published by . This book was released on 1964 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Kinetic Study of Acrylamide Acrylic Acid Copolymerization written by Muhammad Haque and published by . This book was released on 2010 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: Homo- and co-polymers of acrylamide (AAm) and acrylic acid (or acrylate salt) (AA) or methacrylic acid (MAA)) are important classes of water-soluble polymers due to their numerous applications in fields such as super absorbents, additives in cosmetics, membrane technology, waste-water treatment and oil field operations. These polymers are generally made by free radical polymerization. For copolymerization reactions it is extremely important to know the details of reaction kinetics in order to ascertain the kinetic effects of different reaction parameters, which ultimately dictate final copolymer composition, microstructure and properties. The reactivity ratios for copolymerization of AAm and AA have been shown to be dependent on pH and they also change with reaction solvent. The present experimental investigation has been performed to study the kinetics of copolymerization of these monomers in aqueous and alcoholic media by considering factors such as type of initiator and solvent, and pH, in order to determine how they affect the reactivity ratios of these monomers. Reactivity ratios were determined by non-linear least squares (NLLS) and the error-in-variables-model (EVM) techniques and full conversion range kinetic investigations were carried out to confirm these values.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1969-07 with total page 1000 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 The Kinetics of Free Radical Polymerization written by Alastair M. North and published by Pergamon. This book was released on 1966 with total page 144 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 Preparation of Copolymers of Acrylic Acid and Acrylamide for Copper ii Capture from Aqueous Solutions written by Yudong Zhang and published by . This book was released on 2009 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cross-linked copolymers of acrylic acid (sodium acrylate) and acrylamide were synthesized by free radical polymerization. The copolymer hydrogel was studied for capture of copper ion from aqueous solution. Effects of macromolecular structure (i.e., content of the acrylic acid, the quantity of the carboxyl groups neutralized with sodium hydroxide, and the degree of cross-linking) on water-sorption and copper ion uptake were investigated.
Download or read book Clarifying Multi component Polymerization Kinetics for Tailoring Properties of Acrylamide acrylic Acid Copolymers for Enhanced Oil Recovery written by Marzieh Riahinezhad and published by . This book was released on 2015 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Among water-soluble polymers, copolymers of acrylamide (AAm) and acrylic acid (AAc) are probably the most common and widely used in practical applications. However, information on the kinetics of the AAm/AAc radical copolymerization is rather scarce. It is also clear, after reviewing the literature, that there is much debate about the details of reaction kinetics for this copolymerization. Reactivity ratios for AAm/AAc copolymerization system exhibit considerable scatter in the published literature, and therefore, there was a need for more definitive values for these reactivity ratios. An appropriate methodology, based on the error-in-variables-model (EVM) framework along with a direct numerical integration (DNI) of the copolymer composition model, was applied in order to determine reliable reactivity ratios. The reliability of the results was confirmed with extensive and independent replication. Furthermore, via an EVM-based criterion for the design of experiments using mechanistic models, optimal feed compositions were calculated, and from these optimal reactivity ratios were re-estimated for the first time based on information from the full conversion range. With respect to copolymerization kinetics, the polymerization medium is well known to play a significant role in terms of pH and ionic strength, because of the electrolyte nature of the monomers. The largely unstudied effect of ionic strength on monomer reactivity ratios and copolymerization rate was investigated in detail.
Download or read book Radical Polymerization Kinetics and Mechanism written by Michael Buback and published by . This book was released on 2006 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Maro Polymer Notes written by and published by . This book was released on 1994 with total page 882 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polyelectrolyte Gels written by Ronald S. Harland and published by . This book was released on 1992 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Leading researchers in the field offer contributions covering such topics as polyelectrolyte gel properties, gel phase behavior, novel synthesis methods, mass transport, gel thermodynamics, molecular interaction, and principle applications in fields such as absorbent and personal care products, industrial and analytical separations, pharmaceuticals, controlled release, adhesives, and sensors. The book's fundamental approach aids readers in solving developmental objectives and provides an in-depth understanding of the physical and theoretical bases of polyelectrolyte gels.
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 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Modification of Polymers written by Charles E. Carraher and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: The sheer volume of topics which could have been included under our general title prompted us to make some rather arbitrary decisions about content. Modification by irradiation is not included because the activity in this area is being treated elsewhere. We have chosen to emphasize chemical routes to modification and have striven to pre sent as balanced a representation of current activity as time and page count permit. Industrial applications, both real and potential, are included. Where appropriate, we have encouraged the contributors to include review material to help provide the reader with adequate context. The initial chapter is a review from a historical perspective of polymer modification and contains an extensive bibliography. The remainder of the book is divided into four general areas: Reactions and Preparation of Copolymers Reactions and Preparation of Block and Graft Copolymers Modification Through Condensation Reactions Applications The chemical modification of homopolymers such as polyvinylchlo ride, polyethylene, poly(chloroalkylene sulfides), polysulfones, poly chloromethylstyrene, polyisobutylene, polysodium acrylate, polyvinyl alcohol, polyvinyl chloroformate, sulfonated polystyrene; block and graft copolymers such as poly(styrene-block-ethylene-co-butylene block-styrene), poly(I,4-polybutadiene-block ethylene oxide), star chlorine-telechelic polyisobutylene, poly(isobutylene-co-2,3-dimethyl- 1,3-butadiene), poly(styrene-co-N-butylmethacrylate); cellulose, dex tran and inulin, is described.
