Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session X35: Kinetics and Aggregation of Polymers in Complex Fluids and Geometries
11:15 AM–2:03 PM,
Friday, March 6, 2020
Sponsoring Units: DPOLY DSOFT
Chair: Jeffrey Ethier, Illinois Institute of Technology
Abstract: X35.00002 : Understanding aggregation and growth in a cross-linked polymer film*
Lack of understanding of the aggregation and growth processes that occur in a cross-linked film hinders the conservation efforts aimed at preserving traditional works of art. To understand this degradation process, we propose a theoretical model combining existing models of nucleation and growth, as well as Ostwald ripening, with the elasticity and creep behavior of cross-linked polymers. Our model predicts the growth rates of clusters spanning nanoscopic to macroscopic length scales. The analytical results are supported by Monte Carlo simulations.
*This research was supported in part by the Andrew W. Mellon Foundation via the Center for Scientific studies in the Arts at Northwestern University.
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