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Author: li piin sung

Displaying records 51 to 60 of 73 records.
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51. Modification of Thin Film Phase Separation by a Surfactant
Published: 3/25/2003
Authors: Li Piin Sung, Alamgir Karim, Jack F Douglas, Charles C. Dr. Han
Abstract: Phase separation in thin films leads to the formation of surface patterns (holes, bumps, and bicontinuous surface features) which depend on the film composition. These features are interpreted to arise from surface tension variations within the film ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851518

52. Surface and Interface Properties of UV-Exposed PVDF/PMMA-CO-PEA Blends
Published: 3/5/2003
Authors: Xiaohong Gu, Li Piin Sung, D L Ho, Chris A Michaels, D Nguyen, Y C Jean, Tinh Nguyen
Abstract: The surface and interface of PVDF blended with different amounts of poly (methyl methacrylate) and poly (ethyl acrylate) copolymer (PNMA-co-PEA) have been investigated before and after exposure to UV light. Dry free films having athickness of approx ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860474

53. Characterization of Metal-Oxide Nanoparticles: Synthesis and Dispersion in Polymeric Coatings.
Published: 1/1/2003
Authors: Li Piin Sung, Derek L. Ho, S Scierka, M Baghai-Anaraki
Abstract: Applications for using metal-oxide nanoparticles to optimize UV absorption and to enhance the stiffness, toughness, and service life of polymeric materials become advantageous. To achieve the optimal material properties of those metal-oxide nanoparti ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916899

54. Surface Finish and Sub-Surface Metrology
Published: 1/1/2003
Authors: Theodore Vincent Vorburger, Ndubuisi George Orji, Li Piin Sung, T Rodriguez
Abstract: Surface finsih affects the performance of a wide variety of manufactured products ranging from road surfaces and ships to mechanical parts, microelectronics, and optics. Accordingly roughness values can vary over many orders of magnitude. A variety o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=822033

55. Advances in Materials and Mechanics
Published: 12/1/2002
Authors: K P Chong, Mark R VanLandingham, Li Piin Sung
Abstract: Mechanics and materials are essential elements in all of the transcendent technologies that are the primary drivers of the twenty first century and in the new economy. The transcendent technologies include nanotechnology, microelectronics, informati ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860422

56. Optical Reflectance of Metallic Coatings: Effect of Aluminum Flake Orientation
Published: 9/1/2002
Authors: Li Piin Sung, Maria E Nadal, M E. McKnight, Egon Marx, B Laurenti
Abstract: The orientation of platelet-like pigments in coatings is affected by the processing conditions resulting in appearance variations of the final product. A set of aluminum-flake pigmented coatings having different flake orientations was pre-pared usin ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860366

57. Investigation of Morphology and Interface in Polymer Composite Thin Films
Published: 7/1/2002
Authors: C. K. Chiang, Li Piin Sung, R Popielarz
Abstract: Laser scanning confocal microscopy (LSCM) has been applied to examine the filler particles and their distribution in BaTiO3-polymer composite films. We have measured thin-slice images of the composite films at various depths from the film surface an ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851923

58. Nanocharacterization of Surface and Interface of Different Epoxy Networks
Published: 1/1/2002
Authors: Xiaohong Gu, D T Raghavan, D L Ho, Li Piin Sung, Mark R VanLandingham, Tinh Nguyen
Abstract: The effect of network changes on the surface and interface properties of amine-cured epoxy has been investigated. Samples of different crosslinked epoxies are prepared by mixing stoichiometrically pure diglycidyl ether of bisphenol A (n=0.03) with di ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860415

59. Phase Separation in Ultrathin Polymer Films
Published: 1/1/2002
Authors: Alamgir Karim, Jack F Douglas, Li Piin Sung, B D Ermi
Abstract: Changes in phase separation morphology occurring in thin polymer blend films is discussed. These changes are especially large when the films are thinner than the scale of the bulk material interfacial profile width. Under these circumstances, phase ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=851941

60. SANS and SAXS Study on Aqueous Mixtures of Fullerene-Based Star Ionomers and Sodium Dodecyl Sulfate
Published: 1/1/2002
Authors: U Jeng, T L Lin, W J Liu, C S Tsao, T Canteenwala, L Y Chiang, Li Piin Sung, Charles C. Dr. Han
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853813



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