Search Results - "Nauman, E. Bruce"
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Super HIPS: improved high impact polystyrene with two sources of rubber particles
Published in Polymer (Guilford) (01-11-2004)“…Significant improvements in impact strength were achieved in polystyrene blends that combined conventional HIPS particles in combination with particles…”
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Detailed molecular simulations to investigate multicomponent diffusion models
Published in AIChE journal (01-04-2006)“…The theoretical treatment of multicomponent diffusion is complicated by the generally unknown dependence of diffusivities on the local concentration of…”
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Concentration enrichment in confined, gradient energy systems
Published in AIChE journal (01-03-2005)“…The enrichment or depletion of components near bounding surfaces in confined geometries was estimated using the generalized chemical potential for a molecule…”
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On the design and optimization of diffusion-controlled, planar delivery devices
Published in Chemical engineering science (16-01-2010)“…Planar delivery devices are defined as multi-layer assemblies of paints, coatings or films designed to deliver chemicals into an environment at a predetermined…”
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Design of optimized diffusion-controlled transdermal drug delivery systems
Published in Drug development and industrial pharmacy (01-01-2011)“…Background: We describe a systematic approach to designing multilayer transdermal patches based on therapeutically relevant specifications of the drug. Method:…”
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Static mixers for laminar flow reactors with low aspect ratios
Published in Chemical engineering and processing (01-07-2010)“…Conventional static mixers typically require high length to diameter ratios to be effective. This paper considers static mixers design to increase first…”
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Reactive phase separation: Prediction of an occlusion morphology
Published in Polymer (Guilford) (10-01-2008)“…Reaction-induced phase separation occurring by spinodal decomposition is simulated in this paper. A technique developed earlier [Alfarraj A, Nauman EB…”
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Preparation of enzyme-in-polymer composites with high activity and stability
Published in AIChE journal (01-01-2001)“…Flash devolatilization was applied to incorporate an enzyme into a polymer matrix, which created a novel and highly active biocatalytic composite suitable for…”
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Residence Time Theory
Published in Industrial & engineering chemistry research (21-05-2008)“…The intellectual roots of residence time theory date back to 1908 and, thus, span the 100-year history of Industrial & Engineering Chemistry. The theory was…”
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Spinodal Decomposition in Ternary Systems with Significantly Different Component Diffusivities
Published in Macromolecular theory and simulations (27-08-2007)“…A numerical method for simulating spinodal decomposition in ternary systems with order‐of‐magnitude differences in diffusion coefficients is presented. The…”
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Efficient discretization schemes for Graetz-type problems
Published in Computers & chemical engineering (28-02-1999)“…Uniform grid spacing for the finite difference solution of partial differential equations is computationally inefficient. Two nonuniform discretization schemes…”
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Novel static mixers for surge dampening
Published in Chemical engineering research & design (01-12-2008)“…The usual goal of a static mixer is to enhance radial mixing. The intended output is a mixture that is uniform in composition (or temperature) across the…”
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Journal Article Conference Proceeding -
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An engineering approach to an unsolved problem in multicomponent diffusion
Published in AIChE journal (01-05-2001)“…Both practical and conceptual problems arise in standard theories of multicomponent diffusion. They include the sometimes arbitrary and even artificial…”
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A density-functional model for controlled release
Published in Journal of controlled release (12-12-2003)“…Polymer diffusion based on density-functional theory is applied to controlled release systems. These models explicitly treat the multiphase characteristics of…”
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The study of various styrene-butadiene copolymers as compatibilisers in bulk blends of polystyrene/polybutadiene
Published in Polymer (Guilford) (1998)“…Bulk blends, produced by compositional quenching, were used to examine the effectiveness of different styrene-butadiene copolymers as interfacial agents in…”
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Confirmation of predicted polymer blend morphologies from bulk specimens
Published in Polymer (Guilford) (01-06-1998)“…The morphologies of polymer blends predicted by simulation of spinodal decomposition were compared to bulk blends made by compositional quenching. After…”
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Nonlinear diffusion and phase separation
Published in Chemical Engineering Science (01-03-2001)“…Non-Fickian diffusion driven by gradients in chemical potential rather than concentration is important for nonideal mixtures. Conventional formulations of the…”
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Book Review Journal Article -
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A fast Ising-type model for binary polymer blends containing their block copolymer
Published in Computational & theoretical polymer science (1997)“…Monte Carlo simulations were done to predict the rate of domain growth in an amphiphilic system. An Ising-type model was used for a system comprised of two…”
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Journal Article -
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On Axial Diffusion in Laminar-Flow Reactors
Published in Industrial & engineering chemistry research (06-07-2005)“…Although unimportant in conventional laminar-flow reactors, axial diffusion can be the dominant mechanism for mixing in micrometer-scale devices. The low…”
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