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Author: tinh nguyen

Displaying records 91 to 99.
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91. Nanoparticle Release from Polymer Nanocomposites Used for Potable Water Infrastructure and Food Packaging: Current Progress & Beyond
Published: Date unknown
Authors: Andrew Whelton, T.V. Duncan , J.L. Koontz , Tinh Nguyen
Abstract: Nanoparticle (NP) enhanced polymers have the potential to revolutionize food packaging and water pipe performance, though release from these materials has gone relatively unstudied. A literature review was conducted to identify potential NP release p ...

92. Nanoscale Characterization of Coatings Surface Degradation With Tapping Mode Atomic Force Microscopy
Published: Date unknown
Authors: Tinh Nguyen, Xiaohong Gu, Mark R VanLandingham, R Ryntz, D Nguyen, Jonathan W. (Jonathan W.) Martin
Abstract: Surface characteristics of a polymer coating, such as gloss, and their changes with weathering depend strongly on surface topography and morphology. Therefore, data on early physical changes of coatings surface can provide valuable information for n ...

93. Polyurethane Composites Reinforced by Isocyanate-Functionalized Multi-Walled Carbon Nanotubes and Carbon Nanofibers
Published: Date unknown
Authors: Aline Granier, Tinh Nguyen, Alexander J. Shapiro, Jonathan W. (Jonathan W.) Martin
Abstract: The performance of polyurethane (PU) composites reinforced by isocyanate-functionalized multi-walled carbon nanotubes (NCO-fMWCNT) and isocyanate-functionalized carbon nanofibers (NCO-fCNF) has been investigated. NCO-fCNTs and NCO-fCNF were prepared ...

94. Role of Nanoparticles in Life Cycle of Nanocomposites
Published: Date unknown
Authors: Xiaohong Gu, Guodong Chen, Minhua Zhao, Stephanie S Watson, Paul E Stutzman, Tinh Nguyen, Joannie W Chin, Jonathan W. (Jonathan W.) Martin
Abstract: The objective of this study is to investigate the role of ZnO nanoparticles in the life cycle of a waterborne polyurethane (PU) nanocomposite during UV exposure. The effects of loadings and sizes of ZnO nanoparticles on photodegradation of ZnO/PU fil ...

95. Study of Photodegradation of Epoxy Polymer by Using Slow Positron Annihilation Spectroscopy
Published: Date unknown
Authors: R Zhang, Xiaohong Gu, H Chen, J Zhang, Y Li, Tinh Nguyen, T C Sandreczki, Y C Jean
Abstract: Slow positron annihilation spectroscopy (SPAS) has been used to study the early stage of epoxy photodegradation. Spin-coated samples of a crosslinked epoxy were prepared by stoichiometrically mixing a diglycidyl ether of bisphenol A epoxy resin with ...

96. Surface and Interface Properties of Crosslinked Amine-Cured Epoxies
Published: Date unknown
Authors: Tinh Nguyen, G Xiaohong, M Giraud, Mark R VanLandingham, Jonathan W. (Jonathan W.) Martin
Abstract: The surface and film/substrate interface properties of a coating system have a strong influence on its adhesion and durability. However, both the surface and interface chemical composition and microstructure of a crosslinked coating applied to a sub ...

97. Surface, Interface and Bulk Microstructures of Amine-Cured Epoxies - An Intensive AFM Study
Published: Date unknown
Authors: Xiaohong Gu, D Martin, Jonathan W. (Jonathan W.) Martin, Tinh Nguyen

98. Transport Kinetics of Methanol in Hydroxyethyl Methacrylate Homopolymer and Its Copolymers
Published: Date unknown
Authors: C-S Tsai, S H Lee, Tinh Nguyen
Abstract: The kinetics of methanol transport in 2-hydroxyethyl methacrylate (HEMA) homopolymer and 75/25 and 50/50 mole fraction HEMA/DHPMA (2,3-dihydroxypropyl methacrylate) copolymers at five different temperatures has been investigated using the sorption ex ...

99. Unresolved Issues Related to Predicting the Service Life of Polymeric Materials
Published: Date unknown
Authors: Jonathan W. (Jonathan W.) Martin, Tinh Nguyen
Abstract: Linking field and laboratory exposure results and predicting the service life of a polymeric materials exposed in its intended service environment have been major research goals of the polymeric materials community for over a century. Three methodol ...

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