Diffusion of flame retardants in polystyrene: Simulations and measurements with synchrotron X-ray tomography

PHYS 371

Heath Barnett, hbarne4@lsu.edu, Cheri McFerrin, cmcfer1@lsu.edu, Randall W. Hall, rhall@lsu.edu, and Leslie G. Butler, lbutler@lsu.edu. Department of Chemistry, Louisiana State University, 232 Choppin Hall, Baton Rouge, LA 70803
The diffusion of small molecules through glasses is studied with simulations and experiments.

Computer simulations are used to calculate the temperature dependent diffusion constant and the microscopic details of diffusion mechanism for o-terphenyl and benzene in an o-terphenyl matrix.

In addition, synchrotron X-ray tomography is used to measure the diffusion of hexabromobenzene in a matrix of o-terphenyl. The results of the simulations and experimental work will be compared and assessed.

 

PHYS Poster Session - General Experiment
7:30 PM-10:00 PM, Wednesday, April 9, 2008 Morial Convention Center -- Hall A, Poster

Division of Physical Chemistry

The 235th ACS National Meeting, New Orleans, LA, April 6-10, 2008