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Author: joannie chin

Displaying records 21 to 30 of 52 records.
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21. NCO-Functionalized Nanoclays for Polyurethane Composite Coatings
Published: 10/1/2008
Authors: Bastien T. Pellegrin, Xiaohong Gu, Joannie W Chin, Tinh Nguyen
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861639

22. Thermo-viscoelastic Analysis and Creep Testing of Ambient Cure Epoxy Adhesives Used in Construction Applications
Published: 7/30/2008
Authors: Joannie W Chin, Donald Lee Hunston, Aaron M Forster, Justin M Ocel, Joseph M. Hartmann, Paul Fuchs
Abstract: Epoxies are increasingly used in construction for structural applications and properties such as creep are very important. For this reason, the thermo-viscoelastic properties and creep response of two commercial, ambient cure structural epoxy adhesi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861549

23. Effect of Artificial Perspiration and Cleaning Chemicals on the Mechanical and Chemical Properties of Ballistic Fibers
Series: NIST Interagency/Internal Report (NISTIR)
Published: 6/1/2008
Authors: Joannie W Chin, Sylvain H. Petit, Amanda Lattam Forster, Kirk D Rice, Michael A Riley
Abstract: During routine field use of soft body armor, the ballistic panels often become saturated with perspiration.  This unsavory condition motivates the user to clean and/or deodorize the armor, and anecdotal evidence is given for various methods used to a ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861497

24. Role of Interfacial Water in the Adhesion Loss of Polymer/Substrate Systems and Composites
Published: 6/21/2007
Authors: Tinh Nguyen, Joannie W Chin, E Byrd, David Alshed, Cyril Clerici, Jonathan W. (Jonathan W.) Martin
Abstract: Water at the polymer/substrate interface in coatings, adhesives, and fiber-reinforced polymer composites is often the main cause of adhesion loss in these systems. Using experimental data measured in this study, we critically assess the role of inter ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860664

25. Aging Effects on the Dynamic Tensile Response of Zylon Fibers
Report Number: 823037
Published: 6/4/2007
Authors: Richard L. Rhorer, Joannie W Chin, Amanda Lattam Forster, Weinong Wayne Chen, Bo Song, Xu Nie
Abstract: This paper reports on dynamic tests of fibers used in soft body armor. The type of fiber tested is poly(p-phenylene-2,6- benzobisoxaxole) (PBO), or brand name Zylon. Aged fibers were tested using a modified split Hopkinson pressure bar that loads the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=823037

26. 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

27. 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

28. Validation of the Receprocity Law for Coating Photodegradation
Published: 10/20/2004
Authors: Joannie W Chin, Tinh Nguyen, Jonathan W. (Jonathan W.) Martin, E Byrd
Abstract: Accelerating the photodegradation of commerical polymeric materials has great practical importance in the weathering community. However, questions exist as to whether high radiant flux exposure results cn be extrapolated to in-service exposure levels ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860586

29. A Photoconductivity Technique for the Assessment of Pigment Reactivity
Published: 11/19/2003
Authors: Joannie W Chin, S J Scierka, T Kim, Amanda Lattam Forster
Abstract: Large volumes of titanium dioxide (TiO2) are utilized each year in coatings, sealants, plastics and paper for opacification and pigmentation purposes. It is well known that the photoreactivity of TiO2 can contribute to the degradation of the materia ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860523

30. Accelerated UV Weathering Device Based on Integrating Sphere Technology
Published: 11/1/2003
Authors: Joannie W Chin, E Byrd, E Embree, Jason D. Garver, B Dickens, T Finn, Jonathan W. (Jonathan W.) Martin
Abstract: An accelerated ultraviolet (UV) weathering device based on integrating sphere technology has been designed, fabricated, and implemented in weathering studies of polymers. This device has the capability of irradiating multiple speciments with exptreme ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860550