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Author: tinh nguyen

Displaying records 11 to 20 of 112 records.
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11. More Durable or Vulnerable? --- Effect of Nanoparticles on Long-Term Performance of Polymeric Nanocomposites during UV Exposure
Published: 7/2/2012
Authors: Xiaohong X. Gu, Minhua Zhao, Stephanie S Watson, Tinh T. Nguyen, Joannie W Chin, Jonathan W. Martin, Dongmei Zhe, Guodong Chen
Abstract: Polymers are widely used as exterior coatings in buildings, bridges, aircrafts, and automobiles for both protection and aesthetic purposes. However, the sustainability and service life of the applied coatings is limited due to the photodegradation of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909885

12. Photo-induced Surface Transformation of Silica Nanocomposites
Published: 6/22/2012
Authors: Justin M Gorham, Tinh T. Nguyen, Coralie Bernard, Deborah L Stanley, Richard D Holbrook
Abstract: The physicochemical, UV-induced surface modifications to silica nanoparticle (SiNP) - epoxy composites have been investigated. The silica nanocomposites (SiNCs) were prepared using a two-part epoxy system with 10 % mass fraction of SiNPs and expose ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910637

13. Potential release pathways, environmental fate, and ecological risks of carbon nanotubes
Published: 10/11/2011
Authors: Elijah J Petersen, Andrew Whelton, Liwen Zhang, Qingguo Huang, Nasir M. Uddin, Nikolai Mattison, Denis O'Carroll, Theodore Henry, Tinh T. Nguyen, Richard D Holbrook, Kai Chen
Abstract: Carbon nanotubes are currently being used in a number of consumer products, and exponentially higher production masses and a broader range of applications are expected in future years. However, the data on the environmental release pathways, environ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908157

14. Fate of nanoparticles during life cycle of polymer nanocomposites
Published: 7/6/2011
Authors: Tinh T. Nguyen, Bastien T. Pellegrin, Coralie Bernard, Xiaohong X. Gu, Justin M Gorham, Paul E Stutzman, Deborah L Stanley, Walter Eric Byrd, John W Hettenhouser, Joannie W Chin
Abstract: Nanoparticles are increasingly used in consumer and structural polymeric products to enhance a variety of properties. Under the influences of environmental factors (e.g., ultraviolet, moisture, temperature) and mechanical actions (e.g., scratching, v ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907488

15. Effects of ozone treatment on fungal growth, chemical components and surface morphological characteristics of wood flooring materials
Published: 2/16/2011
Authors: Chi Phuong Hoang, Tinh T. Nguyen, Deborah L Stanley, Andrew Keith Persily
Abstract: The effects of ozone treatment and extraction on fungal activities of bamboo and red-oak flooring materials have been investigated. One set of wood samples was extracted with cyclohexane and ethanol for 48 hours to remove extractable compounds. Anot ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907823

16. Role of Nanoparticles in Life Cycle of Nanocomposites
Published: 6/15/2010
Authors: Xiaohong X. Gu, Guodong Chen, Minhua Zhao, Stephanie S Watson, Paul E Stutzman, Tinh T. Nguyen, Joannie W Chin, 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905542

17. Degradation and Nanoparticle Release of Nanocomposite Coatings Exposed to UV Radiation
Published: 6/2/2010
Authors: Tinh T. Nguyen, Bastien T. Pellegrin, Coralie Bernard, Xiaohong X. Gu, Justin M Gorham, Paul E Stutzman, Alexander J. Shapiro, Walter Eric Byrd, Joannie W Chin
Abstract: The release of nanoparticles from nanocomposite coatings during their life cycle potentially has negative effects to the environments and presents a roadblock to their uses. The degradation and nanoparticle release of amine-cured epoxy coatings conta ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905834

18. Critical Role of Particle/Polymer Interface in Long-term Performance of Nanofilled Polymeric Coatings
Published: 5/17/2010
Authors: Xiaohong X. Gu, Guodong Chen, Minhua Zhao, Stephanie S Watson, Tinh T. Nguyen, Joannie W Chin, Jonathan W. Martin
Abstract: In this study, the role of the nanoparticle/polymer interface in the long-term UV weathering performance of a nano-ZnO filled polyurethane (PU) coating system was investigated. The effects of the parameters that can influence the particle/polymer int ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905211

19. Direct Evidence of Nanoparticle Release from Epoxy Nanocomposites Exposed to UV Radiation
Published: 4/14/2010
Authors: Tinh T. Nguyen, Bastien T. Pellegrin, Coralie Bernard, Xiaohong X. Gu, Justin M Gorham, Paul E Stutzman, Alexander J. Shapiro, Walter Eric Byrd, Joannie W Chin
Abstract: This study assessed the fate of SiO2 nanoparticles (nanoSiO2) in epoxy/nanoSiO2 composites exposed to ultraviolet (UV) radiation. The matrix was a stoichiometric mixture of adiglycidyl ether of bisphenol A epoxy and an aliphatic tri-amine. Films of u ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905527

20. NIST Sustainable Infrastructure Material Program
Published: 3/17/2010
Authors: Jonathan W. Martin, Xiaohong X. Gu, Tinh T. Nguyen, Joannie W Chin
Abstract: NIST has initiated a research program for improving the quality of the data input for making economic sustainability assessments of polymeric infrastructure materials through improvements in the measurement science for this data. Sustainability asses ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905331



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