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Displaying 526 - 550 of 7680

Flame Retardant Clay Nanocomposites

February 19, 2017
Author(s)
Jeffrey W. Gilman
For more than a decade potential environmental problems associated with organo-bromine flame retardant systems have motivated the search for non-halogen based approaches to reducing polymer flammability. Initially, research focused on development of new

Flame Retardant Mechanism of a Polymer Clay Nanocomposite

February 19, 2017
Author(s)
Takashi Kashiwagi, John R. Shields, Richard H. Harris Jr., W H. Awad
The thermal and flammability properties of the polyamide 6/clay nanocomposites are measured to determine the flame retardant performance of the nanocomposites. The gasification process of the nanocomposite samples are observed and collected residues are

Flame Retardants: An Overview

February 19, 2017
Author(s)
Richard Gann, Jeffrey W. Gilman
Flame retardant additives are ubiquitous in commercial products. They reduce fire losses by decreasing the likelihood of ignition and the rate of heat release of the products in which they are compounded. This article outlines the definition, applications

Flammability Properties of PMMA-Single Walled Carbon Nanotube Nanocomposites

February 19, 2017
Author(s)
Takashi Kashiwagi, F Du, K Winey, K M. Groth, John R. Shields, Richard H. Harris Jr., Jack F. Douglas
Flammability properties of PMMA/SWNT nanocomposites were measured. The addition of SWNT significantly reduces mass loss rate of PMMA even for the contents less than a 1 % mass fraction. The dispersion of tubes affects flammability properties.

Flexible Polyurethane Foams Nanocomposites

February 19, 2017
Author(s)
Mauro Zammarano, Roland H. Kraemer, Richard H. Harris Jr., Thomas J. Ohlemiller, Sameer Rahatekar, Jeffrey W. Gilman
Polyurethane flexible foams (PUFs) have a large market as upholstery and bedding cushioning material. There is an increasing demand for flame retarded grades in rail, plane and automotive transportation. Untreated PUFs are prone to rapid fire growth due to

Further Developments in Modeling the Thermal Decomposition of Polymers

February 19, 2017
Author(s)
Marc R. Nyden, S I. Stoliarov, P R. Westmoreland
The application of quantum mechanics and molecular simulation methods can yield new insights into thermal reactivity and its effect on materials flammability. One example of this approach is reactive molecular dynamics as implemented in a computer program

Gender and Control in the 2001 World Trade Center Evacuation

February 19, 2017
Author(s)
Erica D. Kuligowski
Occupants in fire emergencies in buildings are presented with multiple pieces of information and environmental cues which produce varying levels of stress for the occupant. Occupants develop behavior response strategies to decrease their level of stress

Handbook of Radiant Heating and Cooling

February 19, 2017
Author(s)
J M. Palmer, K S. Chapman, R D. Watson
These four chapters are part of a larger book on radiant heating and cooling. The goal of these chapters is to explain thermal comfort, how it is modeled, and how to calculate it. The first chapter explains the variables of thermal comfort. The second

High Throughput Methods for Nanocomposite Materials Research. Extrusion and Visible Optical Probes.

February 19, 2017
Author(s)
Jeffrey W. Gilman, P H. Maupin, Richard H. Harris Jr., S Bellayer, Anthony J. Bur, S C. Roth, M Murariu, A B. Morgan, J R. Harris
A quiet revolution is occurring in the field of polymer science the high throughput (HT) or combinatorial revolution. It is, in a general sense, a change in the way one views performing research and development, and simply involves devising methods to

High Throughput Methods for Rapidly Developing Additive Filled Polymers

February 19, 2017
Author(s)
Rick D. Davis, Jeffrey W. Gilman, Marc R. Nyden, John R. Shields, Richard H. Harris Jr., W Demory
The high throughput mindset has been our approach to rapidly synthesize, characterize, and analyze additive filled polymers. For example, rather than taking a week to extrude polystyrene strands with 0% to 10% integer amounts of organically modified clay

Ignition of Mulch by Firebrands in Wildland/Urban Interface (WUI) Fires

February 19, 2017
Author(s)
Samuel Manzello, John R. Shields, Thomas Cleary, Jiann C. Yang
Firebrands or embers are produced as trees and structures burn in wildland/urban interface (WUI) fires. Hot firebrands ultimately come to rest and may ignite fuels far removed from the fire, resulting in fire spread. It is believed that firebrand showers
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