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Study of Selectively Permeable Coatings to Textiles

Published online by Cambridge University Press:  17 January 2011

Joseph G. Sargent ,
Jun S. Lee ,
Emmanuelle Reynaud ,
Michael D. Gilbert  and
James M. Sloan
Joseph G. Sargent
Affiliation:
Department of Mechanical Engineering, University of Massachusetts of Lowell, One University Avenue, Lowell, MA 01854, U.S.A.
Jun S. Lee
Affiliation:
Department of Plastics Engineering, University of Massachusetts of Lowell, One University Avenue, Lowell, MA 01854, U.S.A.
Emmanuelle Reynaud
Affiliation:
Department of Mechanical Engineering, University of Massachusetts of Lowell, One University Avenue, Lowell, MA 01854, U.S.A.
Michael D. Gilbert
Affiliation:
EIC Laboratories Inc., Norwood, MA 02062
James M. Sloan
Affiliation:
U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005
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Abstract

Breathable barrier textiles for both chemical agent and moisture are being actively developed for military and industrial applications. An ideal approach is to coat textiles with a semi-permeable film that allows the transport of water while still serving as a barrier for chemical agents. Sulfonated poly (styrene-block-isobutylene-block-styrene) (SIBS) copolymer spontaneously phase separates upon drying from solution to produce a nanostructured film with the controlled barrier functionality for water permeation and repelling of chemical agents.

The objective of this research is to investigate coating uniformity and phase morphology of SIBS coating materials fabricated by novel solvent combinations. Scanning electron microscopy analysis is used for the assessment of the coating uniformity as well as the level of adhesion between the polymer coating and fabric substrate. Transmission electron microscopy is used to characterize the phase separation morphology of the SIBS copolymer coating. The mechanical behavior of the coated fabric is determined through tensile and shear tests and is compared to the bare fabric behavior. The goal of this study is to relate the processing conditions of the final nanostructured block copolymer coated fabric produced on industrial scale.

Keywords

coatingpolymernanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1312: Symposium HH/II/JJ – Polymer-Based Materials and Composites—Synthesis, Assembly and Applications , 2011 , mrsf10-1312-jj06-09
Copyright
Copyright © Materials Research Society 2011

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References

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