Browsing by Author "Hutchinson, Robin A."
Now showing items 1-20 of 21
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Accelerated Monte-Carlo Techniques for Modeling of Chain Architecture and Semi-Batch Radical Polymerization Process Optimization
Nasresfahani, AminThis thesis introduces a new strategy to develop a comprehensive stochastic polymerization simulation with the capacity of considering the secondary reactions attributed to the radical acrylate/methacrylate/styrene ... -
The Application of Monte Carlo Combined Methods For Modeling of Polymerization Kinetics
Parsa, Mohammad Ali (2014-09-30)The advantages and disadvantages of the two major categories of numerical methods, deterministic and stochastic approaches, in polymer reaction engineering are discussed. Combinations of methods are suggested in order to ... -
Aqueous Cu(0) Mediated Reversible Deactivation Radical Polymerization of 2-Hydroxyethyl Acrylate
Zhang, Mingmin (2015-08-31)Reversible deactivation radical polymerization (RDRP) of 2-hydroxyethyl acrylate in D2O was studied using Cu(0) wire and Me6TREN, with different target chain lengths (TCL), amount of initial Cu(II)Br2, and the addition ... -
Atom Transfer Radical Polymerization with Low Catalyst Concentration in Continuous Processes
Chan, Nicky (2012-04-30)Atom transfer radical polymerization (ATRP) is a dynamic technique that possesses tremendous potential for the synthesis of novel polymeric materials not possible through conventional free radical polymerization. However, ... -
A comprehensive kinetic mode for high temperature free radical production of styrene/methacrylate/acrylate resins
Wang, Wei (2010-04-29)Acrylic resins, synthesized from a mixture of monomers selected from the methacrylate, acrylate and styrene families, are the base polymer components for many automotive coatings due to their excellent chemical and mechanical ... -
Controlled Radical Polymerization: Towards Industrially Relevant Conditions
Payne, Kevin (2015-10-03)Reversible deactivation radical polymerization (RDRP), also known as controlled radical polymerization (CRP), has been a significant area of polymer research for more than 20 years, allowing the facile synthesis of complex ... -
An Efficient Process for the Cu(0)-Catalyzed Controlled Radical Synthesis and Subsequent Chain Extension of Poly(Methyl Acrylate) Macroinitiator
Shirali zadeh, NiloofarCopper mediated polymerization is used to produce poly(methyl acrylate) with an average degree of polymerization of 10 (P(MA)10) and narrow distribution in both batch and continuous tubular reactors at ambient temperature. ... -
Estimation of Free Radical Polymerization Rate Coefficients using Computational Chemistry
Bebe, Siziwe (2008-04-29)Acrylic free radical polymerization at high temperature proceeds via a complex set of mechanisms, with many rate coefficients poorly known and difficult to determine experimentally. This problem is compounded by the large ... -
Extractable content of functional acrylic resins produced by radical copolymerization: A comparison of experiment and stochastic simulation
Nasresfahani, Amin; Idowu, Loretta A.; Hutchinson, Robin A. (Elsevier BV, 2019-12-15)A comprehensive stochastic simulator that considers all probable secondary reactions essential for the description of high-temperature radical copolymerization of acrylate/methacrylate is implemented based on previously ... -
Free Radical Copolymerization of Hydroxy-Functional Monomers: Kinetic and Semibatch Studies
Liang, Kun (2013-02-27)Acrylic resins used as polymeric binders in automotive coatings are complex copolymers containing reactive functional (often hydroxyl) groups. A better understanding of the copolymerization kinetics of these monomers is ... -
Free Radical Polymerization studies of vinyl ester monomers using Pulsed-Lased Polymerization with Size Exclusion Chromatography (PLP-SEC)
Monyatsi, Otlaatla (2015-12-02)Polyvinyl acetate and other polyvinyl esters, and their copolymers are used in coatings, adhesives and plastics, and hence fundamental understanding of the mechanisms and polymerization kinetics is vital for process ... -
Hydrogen bonding in radical copolymerization: A kinetic investigation under industrially relevant conditions
Schier, JanRadical solution polymerization is a common method to produce a variety of plastics and coatings. Particularly in the automotive industry, large scale semi-batch operations are used to (co)polymerize monomers of the styrenic, ... -
Kinetic Modeling of Homo- and Co- Polymerization of Water-Soluble N-vinyl Monomers
Santana Krishnan, Sandhya (2011-12-22)Functional water-soluble polymers find applications in a variety of fields including waste-water treatment, pharmaceuticals, cosmetics, drug delivery, and hygiene. Despite the increased demand for these products, understanding ... -
Kinetics and Modeling of Free Radical Aqueous Phase Polymerization of Acrylamide with Acrylic Acid at Varying Degrees of Ionization
Preusser, Calista (2015-09-03)Water soluble polymers find applications in both consumer (e.g. superabsorbers in diapers, antiscalants in laundry detergent, and thickeners in shampoo) and industrial applications (e.g. antiscalants, antiflocculants and ... -
Kinetics and Modeling of Radical Copolymerization of Water-Soluble Cationic Monomers
Ezenwajiaku, IkennaPolyelectrolytes (PELs) are a special class of charged water-soluble polymers utilized in both consumer and industrial applications such as pharmaceuticals, cosmetics, waste-water treatment, flocculating agents, oil drilling ... -
Kinetics, Synthesis and Characterization of copolymers containing the bio-renewable monomer g-methyl-a-methylene-g-butyrolactone (MeMBL)
Cockburn, A. Robert (2011-04-26)The bio-renewable monomer γ-methyl-α-methylene-γ-butyrolactone (MeMBL) has been thoroughly investigated in this thesis. MeMBL is a relatively unstudied monomer that had received little attention since the early 1980’s but ... -
Non-Aqueous Dispersion Polymerization for Automotive Coating Applications
Yang, Weiwei (2016-04-30)Non-aqueous dispersion polymerization (NAD) is used to produce submicron sized particles utilized by the solvent-borne automotive coatings industry to prevent crack propagation, improve toughness and reduce energy requirements ... -
On-Line Optimization for a Batch-Fed Copolymerization Reactor with Partial State Measurement
Okorago, Onyinye (2009-10-06)Polymerization processes require adequate monitoring to ensure that the final product meets specification. Various on-line measuring techniques have been developed and implemented to track polymer properties in reactors. ... -
Pushing the Boundaries of Concentrated Dispersions, High Solids Content Bimodal Latex for Paper Coating Applications
Pacheco de Moraes, Raul (2012-08-07)New processes for the production of polymeric dispersions with high solids content and low viscosity were developed, investigated and characterized. The specifications required for the desired application of paper coating, ... -
Radical Polymerization of Bio-Renewable Butyrolactone Monomers
Luk, SharmaineIn this study, a bio-derived monomer, -methyl--methylene--butyrolactone (MeMBL) was saponified with sodium hydroxide (NaOH) to make the water-soluble monomer sodium 4-hydroxy-4-methyl-2-methylene butanoate (SHMeMB), ...