Presentation Title

Studying the Effect of Crosslink Density in Nitrile Butadiene Rubber (NBR) on the Permeation of Small Organic Molecules

Faculty Mentor

Renwu Zhang

Start Date

18-11-2017 2:15 PM

End Date

18-11-2017 3:15 PM

Location

BSC-Ursa Minor 38

Session

Poster 3

Type of Presentation

Poster

Subject Area

physical_mathematical_sciences

Abstract

Nitrile butadiene rubber (NBR) is commonly found as the main polymer in rubber gloves. This experiment is studying the effect of cross-linking density on the permeation of small organic molecules, specifically ethanol, through NBR. The diffusion coefficients were obtained for ethanol to permeate through NBR films prepared with different cross-linking densities. Such diffusion coefficients were correlated with the free volumes in the polymer samples, which were measured via positron annihilation lifetime spectroscopy (PALS). The mechanism for ethanol molecules diffusing in the cross-linked polymer film was proposed.

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Nov 18th, 2:15 PM Nov 18th, 3:15 PM

Studying the Effect of Crosslink Density in Nitrile Butadiene Rubber (NBR) on the Permeation of Small Organic Molecules

BSC-Ursa Minor 38

Nitrile butadiene rubber (NBR) is commonly found as the main polymer in rubber gloves. This experiment is studying the effect of cross-linking density on the permeation of small organic molecules, specifically ethanol, through NBR. The diffusion coefficients were obtained for ethanol to permeate through NBR films prepared with different cross-linking densities. Such diffusion coefficients were correlated with the free volumes in the polymer samples, which were measured via positron annihilation lifetime spectroscopy (PALS). The mechanism for ethanol molecules diffusing in the cross-linked polymer film was proposed.