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Author: rick davis

Displaying records 41 to 50 of 65 records.
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41. High Throughput Flammability Characterization Using Gradient Flux Fields
Published: 10/1/2005
Authors: Jeffrey W Gilman, Rick D. Davis, John R Shields, Richard H. Harris Jr.
Abstract: The quest for small-scale flammability tests useful for predicting large-scale fire test performance is an enduring undertaking. Often, this work is motivated by limited access to larger quantities of samples, in the case of materials development eff ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861334

42. Flammability of Polymer Clay Nanocomposites Consortium:Final Report
Series: Special Publication (NIST SP)
Published: 4/4/2005
Authors: Jeffrey W Gilman, Takashi Kashiwagi, A B. Morgan, Rick D. Davis, Richard H. Harris Jr., L D. Brassell
Abstract: In 1997 NIST reported that polymer layered-silicate (clay) nanocomposites exhibit reduced flammability, in the form of reduced heat release rate (HRR). The unique character of this new approach to flame retard polymeric materials was the dual benefit ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861344

43. Improved Thermal Stability of Organically Modified Layered Silicates.
Published: 12/1/2004
Authors: Rick D. Davis, Jeffrey W Gilman, T E Sutto, J H Callahan, Paul C Trulove, H DeLong
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=100853

44. Dielectric Spectroscopy During Extrusion Processing of Polymer Nanocomposites: a High Throughput Processing/Characterization Method to Measure Layered Silicate Content and Exfoliation
Published: 9/1/2004
Authors: Rick D. Davis, Anthony J. Bur, M M McBrearty, Y E Lee, Jeffrey W Gilman, P R Start
Abstract: Dielectric spectroscopy was conducted during extrusion processing of polyamide-6 (PA6) and layered silicate/polyamide-6 nanocomposites. Dielectric dispersion parameters were identified that appear sensitive to layered silicate concentration and degre ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=852536

45. Real-Time Monitoring of Polymer Nanocomposites Composition during Extrusion Compounding
Published: 9/1/2004
Authors: Rick D. Davis, Jeffrey W Gilman, Anthony J. Bur, M M McBrearty, P R Start, Young Jong Lee
Abstract: Dielectirc spectroscopy was conducted during extrusion processing of polyamide-6 (PA6) and layered silicate/polyamide-6 manocomposites. Dielectric dispersion parameteers were identified that appear sensitive to layered silicate concentration and deg ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861363

46. Improved Thermal Stability of Organically Modified Layered Silicates
Published: 4/1/2004
Authors: Rick D. Davis, Jeffrey W Gilman, T E Sutto, J H Callahan, Paul C Trulove, Hugh C De Long
Abstract: Bromide containing impurities were found to decrease the thermal stability of quaternary alkyl ammonium modified layered silicates. Improved purification procedures completely removed these bromide anions and led to a 20 C to > 100 C increase in or ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861245

47. Dielectric Spectroscopy During Extrusion Processing of Polyamide 6 Nanocomposites: A High Throughput Method
Published: 1/1/2004
Authors: Rick D. Davis, Jeffrey W Gilman, Anthony J. Bur, M M McBrearty, P R Start, Y E Lee
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=853918

48. INVESTIGATION OF NANODISPERSION IN POLYSTYRENE -MONTMORILLONITE NANOCOMPOSITES BY SOLID STATE NMR
Published: 12/15/2003
Authors: S Bourbigot, Jeffrey W Gilman, David Lloyd VanderHart, W H. Awad, Rick D. Davis, A B Morgan, C A Wilkie
Abstract: Nanocomposites result from combinations of materials with vastly different properties at the nanometer scale. These materials exhibit many unique properties, such as improved thermal stability, reduced flammability, and improved mechanical properties ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861256

49. High Throughput Methods for Polymer Nanocomposites Research: Extrusion, Nmr Characterization and Flammability Property Screening.
Published: 11/1/2003
Authors: Jeffrey W Gilman, S Bourbigot, John R Shields, Marc R. Nyden, Takashi Kashiwagi, Rick D. Davis, David Lloyd VanderHart, W Demory, C A Wilkie, A B Morgan, J R Harris, R Lyon
Abstract: Several, recent, revolutionary advances in combinatorial (or high throughput, HT) polymer science have appeared in the literature, which significantly accelerate the rate of data generation. Although these new HT approaches may in part have been insp ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861202

50. Flame Retardant Mechanism of Silica - Effects of Molecular Weight of Resin
Published: 4/1/2003
Authors: Takashi Kashiwagi, John R Shields, Richard H. Harris Jr., Rick D. Davis
Abstract: The effects of resin molecular weight, M^dw^, on the flame retardant mechanism of silica were studied using two different molecular weights of PMMA, 122,000 g/mol and 996,000 g/mol and two silicas, fused silica with a low surface area and silica gel ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861130



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