Chemical Engineering, Department of
The Department of Chemical Engineering combines the study of mathematics, chemistry, physics and biology, with engineering science, design, and economics. Students at the Department learn how to design safe, efficient, environmentally-friendly, sustainable and economical processes and products.
This community includes research outputs produced by faculty and students. Submitting works to QSpace may enable compliance with the Tri-Agency Open Access Policy on Publications.
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Recent Submissions
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Superabsorbent hydrogels made from bio-sourced butyrolactone monomer in aqueous solution
(Royal Society of Chemistry (RSC), 2017-10-10)A new water-soluble monomer, sodium 4-hydroxy-4-methyl-2-methylene butanoate (SHMeMB), formed by saponification of the bio-derived monomer γ-methyl-α-methylene-γ-butyrolactone (MeMBL), was copolymerized with acrylamide ... -
Polylactic acid macromonomer radical propagation kinetics and degradation behaviour
(Royal Society of Chemistry (RSC), 2017-08-01)Polylactic acid ethyl ester methacrylate (PLANEMA) macromonomers are synthesized with N = 1, 5, 7, and 9 average number of polyester units. While propagation rate coefficients (kp) determined by pulsed laser polymerization ... -
Solvent Effects on Radical Copolymerization Kinetics of 2-Hydroxyethyl Methacrylate and Butyl Methacrylate
(MDPI AG, 2019-03)2-Hydroxyethyl methacrylate (HEMA) is an important component of many acrylic resins used in coatings formulations, as the functionality ensures that the chains participate in the cross-linking reactions required to form ... -
The Effect of Hydrogen Bonding on Radical Semi-Batch Copolymerization of Butyl Acrylate and 2-Hydroxyethyl Acrylate
(MDPI AG, 2017-08)The radical copolymerization of butyl acrylate (BA) and 2-hydroxyethyl acrylate (HEA) was investigated under batch and semi-batch operations, with a focus on the influence of hydrogen-bonding on acrylate backbiting. The ... -
Radical Copolymerization Kinetics of Bio-Renewable Butyrolactone Monomer in Aqueous Solution
(MDPI AG, 2017-12)The radical copolymerization kinetics of acrylamide (AM) and the water-soluble monomer sodium 4-hydroxy-4-methyl-2-methylene butanoate (SHMeMB), formed by saponification of the bio-sourced monomer γ-methyl-α-methylene-γ- ... -
Hydrogen bonding in radical solution copolymerization kinetics of acrylates and methacrylates: a comparison of hydroxy- and methoxy-functionality
(Royal Society of Chemistry (RSC), 2017-03-21)The pulsed-laser polymerization technique in combination with size exclusion chromatography and nuclear magnetic resonance is used to study the influences of solvent choice and monomer structure on the copolymerization ... -
The influence of hydrogen bonding on radical chain-growth parameters for butyl methacrylate/2-hydroxyethyl acrylate solution copolymerization
(Royal Society of Chemistry (RSC), 2016-07-05)2-Hydroxyethyl acrylate (HEA), commonly introduced to control resin properties and introduce crosslinking sites, affects radical copolymerization kinetics through hydrogen-bonding, with the extent of the influence dependent ... -
Aqueous copper(0) mediated reversible deactivation radical polymerization of 2-hydroxyethyl acrylate
(Royal Society of Chemistry (RSC), 2015-09-01)Reversible deactivation radical polymerization (RDRP) of 2-hydroxyethyl acrylate in D2O with Cu(0) wire mediation and with two-step Cu(0) in situ mediation was investigated. The concentration of active species on the Cu(0) ... -
Pulsed laser studies of cationic reactive surfactant radical propagation kinetics
(Elsevier BV, 2017-11-09)Pulsed laser polymerization coupled with size exclusion chromatography (PLP-SEC) was implemented to study the micellar radical homopropagation kinetics of cationic surfmer, polycaprolactone choline iodide ester methacrylate ... -
Design of Acrylic Dispersants for Nonaqueous Dispersion Polymerization: The Importance of Thermodynamics
(Wiley, 2018)Poly(acrylic) nanoparticles produced by nonaqueous dispersion (NAD) radical polymerization are important components in many automotive coating formulations. A series of experiments show that the properties of final dispersions ... -
Critically Evaluated Rate Coefficients in Radical Polymerization – 8. Propagation Rate Coefficients for Vinyl Acetate in Bulk
(Wiley, 2017)Propagation rate coefficient values, kp, reported by several groups for radical polymerization of bulk vinyl acetate are critically evaluated. All data are obtained by the combination of pulsed-laser polymerization and ... -
The influence of adding functionality to dispersant and particle core compositions in non-aqueous dispersion polymerization
(Elsevier BV, 2017-05-01)Nano-sized polyacrylate colloids (<200nm) at high solids level (~60wt%) are prepared via non-aqueous dispersion (NAD) semibatch polymerization using n-butyl methacrylate (BMA)-based macromer dispersants of varying chain ... -
Modeling the Synthesis of Butyl Methacrylate Macromonomer by Sequential ATRP-CCTP
(Wiley, 2019)The atom transfer radical polymerization of butyl methacrylate mediated by Cu(I)Br/N,N,N′,N″,N″-pentamethyldiethylenetriamine in anisole at 70 °C with the subsequent addition of bis(difluoroboryldiphenylglyoximato)cobalt(II) ... -
Investigating the Effectiveness of Reactive Dispersants in Non-Aqueous Dispersion Polymerization
(Wiley, 2016)Non-aqueous dispersion (NAD) radical polymerization is used to produce poly(acrylic) nanoparticles (<200 nm) at 60 wt% solids content by a starved-feed semibatch process, with steric stabilization provided by a low molecular ... -
Vinyl pivalate Propagation Kinetics in Radical Polymerization
(Wiley, 2016)Radical propagation kinetics of the bulk homopolymerizations of vinyl pivalate (VPi) and vinyl benzoate (VBz) have been studied using pulsed-laser polymerization (PLP) combined with size exclusion chromatography (SEC). As ... -
Cationic Hydrolytically Degradable Flocculants with Enhanced Water Recovery for Oil Sands Tailings Remediation
(Wiley, 2016)Micellar radical polymerization of a short-chain polyester macromonomer, polycaprolactone choline iodide ester methacrylate (PCLnChMA), is used to produce a new cationic flocculant that becomes more hydrophobic in response ... -
Pulsed-laser and quantum mechanics study of n-butyl cyanoacrylate and methyl methacrylate free-radical copolymerization
(Royal Society of Chemistry (RSC), 2015-02-17)The free-radical polymerization (FRP) kinetics for n-butyl cyanoacrylate (BCA) and methyl methacrylate (MMA) copolymerization are studied in bulk at 30–70 °C using both a pulsed-laser polymerization technique and Quantum ... -
Using Microfluidics to Study Magnetotactic Bacteria
The purpose of this thesis was to investigate the swimming behavior of magnetotactic bacteria 1) in flow conditions and 2) in porous media; and further 3) to exploit their unique characteristics towards bio-actuation of ... -
Neutrophil NETosis, viability, and gene or protein expression in response to surface chemistry using isodecyl acrylate copolymer coatings
Undesirable host responses to implants commonly lead to impaired device function. Biomaterial-based strategies focused on neutrophil behavior to improve host responses to implants have not been significantly researched. ... -
Functional Nitroxyls for Polypropylene Modification
Chemistry for introducing a long-chain branch (LCB) architecture to linear, isotactic polypropylene (PP) is described, wherein degradation of the polymer matrix through β-scission of macroradicals is inhibited by an additive ...
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