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Author: li piin sung

Displaying records 11 to 20 of 59 records.
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11. Comparing Analytical Methods for Detecting and Characterizing Nanoparticles in Formulated Products
Published: 10/1/2008
Authors: Katherine M. Tyner, Anna M. Wokovich, William H. Doub, Lucinda F. Buhse, Li Piin Sung, Stephanie S Watson, Nakissa Sadrieh
Abstract: To understand the extent of consumer exposure to nanomaterials as well as how nanomaterials impact consumer goods, it is necessary to detect and characterize nanomaterials in unmodified final products. Although there are pathways to characterize nano ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861604

12. Modulus and Chemical Mapping of Multi-layer Coatings
Published: 10/1/2008
Authors: Aaron M Forster, Chris A Michaels, Li Piin Sung, Justin Lucas
Abstract: Thermoplastic olefins (TPO) are polymeric materials utilized for interior and exterior automotive parts. These materials are often painted to enhance appearance and protect the soft TPO substrate. TPO materials posses a low surface energy due to th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=900101

13. Effect of Annealing Condition and Composition on the Scratch Behavior of Fluorinated Coatings
Published: 9/24/2008
Authors: Li Piin Sung, Aaron M Forster, K Wood
Abstract: Fluorinated and acrylic coatings are commonly used as binders for exterior coatings because of their excellent resistance to UV radiation and many corrosive chemical agents. It is known that the fluorinated component of the coating usually has a lowe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861632

14. Effect of Composition and Processing Condition on Microstructural Properties and Durability of Fluoropolymer/Acrylic Blends
Published: 9/24/2008
Authors: Li Piin Sung, Xiaohong Gu, Derek Li-Te Ho, F A. Landis, D Nguyen
Abstract: Fluoropolymer-based coatings have been greatly used as binders for exterior coatings because of their excellent resistance to UV radiation as well as to many corrosive chemical agents. It is also known that the fluorinated component usually has a low ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861633

15. Interfacial Characterization of Multiple Layer Coatings on Thermoplastic Olefins (TPO)
Published: 5/30/2008
Authors: Aaron M Forster, Chris A Michaels, Justin Lucas, Li Piin Sung
Abstract: Thermoplastic olefins (TPO) have made significant inroads as polymeric materials for interior and exterior automotive parts. Spray applied chlorinated polyolefins (CPO) are often used to improve paint adhesion to the low surface energy TPO substrate ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861661

16. Chemical and Physical Characterization of Poly(p-phenylene-2,6-benzobisoxazole) Fibers Used in Body Armor: Temperature and Humidity Aging
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7373
Published: 11/1/2006
Authors: Joannie W Chin, E Byrd, Cyril Clerici, Amanda Lattam Forster, M Oudina, Li Piin Sung, Kirk D Rice
Abstract: In recent years, poly(p-phenylene-2,6-benzobisoxazole) (PBO) fibers have become prominent in high strength applications such as body armor, ropes and cables, and recreational equipment. The objectives of this study were to expose woven PBO body arm ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860679

17. Mechanical Properties of Nanocomposite Latex Films via Instrumented Indentation
Published: 9/6/2006
Authors: Aaron M Forster, Stephanie S Watson, Laura Johnson, Li Piin Sung
Abstract: Inorganic particles, introduced into networked or glassy polymer films, have been used to increase the stiffness of films as a function of pigment loading. Latex films often contain inorganic pigments to increase the opaqueness of the film and to ac ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860667

18. Load-Displacement Relations for Nanoindentation of Viscoelastic Materials
Published: 8/2/2006
Authors: Chien-Kuo Liu, S H Lee, Li Piin Sung, Tinh Nguyen
Abstract: A model based on the Burgers viscoelastic concept has been developed to describe the nanoindentation behaviors of polymeric materials. An analytical solution of displacement at the indenter tip has been derived based on the analog of the governing eq ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860665

19. Chemical and Physical Characterization of Poly(p-phenylene benzobisoxazole) Fibers Used in Body Armor
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7237
Published: 5/1/2006
Authors: Joannie W Chin, E Byrd, Amanda Lattam Forster, Xiaohong Gu, Tinh Nguyen, Kirk D Rice, Walter J. Rossiter, S J Scierka, John R Sieber, Paul E Stutzman, Li Piin Sung
Abstract: Problems with the performance and durability of body armor based on poly(p-phenylene benzobisoxazole (PBO) fiber became apparent in the summer of 2003, when PBO-based body armor that was less than 8 months was penetrated by a bullet. Mechanical te ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860615

20. Structure Development in Aerogel-Processed Nanocrystalline Alkaline-Earth Oxides as Revealed by SANS
Published: 8/1/2005
Authors: Vincent A Hackley, P K Stoimenov, D L Ho, Li Piin Sung, K J Klabunde
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=850837