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High-Throughput Screening of Barrier and Adhesive Behavior of Polymeric Coatings

Published online by Cambridge University Press:  26 February 2011

Jaime C. Grunlan  and
Ali R. Mehrabi
Jaime C. Grunlan
Affiliation:
jgrunlan@tamu.edu, Texas A&M University, Mechanical Engineering, 3123-Texas A&M University, College Station, Texas, 77843-3123, United States, (979) 845-3027, (979) 862-3989
Ali R. Mehrabi
Affiliation:
ali.mehrabi@averydennison.com, Avery Dennison Corporation, Avery Research Center, United States
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Abstract

A combinatorial factory for the preparation and screening of polymeric coatings was developed. Coating formulations were prepared and coated using novel combinatorial techniques to obtain libraries of varying composition and thickness. The thickness of each film in a combinatorial array is rapidly determined via visible-light absorbance of optical dyes in conjunction with the Beer-Lambert relationship. These combinatorial libraries were then tested and screened using a variety of custom-made high-throughput methods. Combinatorial screening of oxygen and moisture vapor transmission rate, along with adhesive properties, are shown here. OTR and MVTR are determined using spectroscopic techniques. For adhesion, a spherical probe adhesive tester is able to generate parameters linked to tack, peel, and shear in one measurement. In addition to describing the testing methodology, benefits and shortcomings of these techniques will be highlighted.

Keywords

polymersensorcoating
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 894: Symposium LL – Combinatorial Methods and Informatics in Materials Science , 2005 , 0894-LL04-02
Copyright
Copyright © Materials Research Society 2006

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