BREACH OR CONTAMINATION INDICATING ARTICLE HAVING MICROCAPSULES
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United States of America Patent
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Issued Date -
Nov 24, 2011
app pub date -
Feb 11, 2011
filing date -
May 20, 2010
priority date (Note) -
Abandoned
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Abstract
Provided among other things are breach or contamination indicating elastomeric articles for indicating a breach or contamination by a selected chemical or group of chemicals, the article having an exterior and interior and comprising: (1) an indicating layer that comprises (a) a carrier polymer, and (b) a plurality of microcapsules wherein each microcapsule comprises a dye and a shell, wherein the plurality of microcapsules is dispersed in the carrier polymer and the polymer shell releases the dye in the presence of the selected chemical(s); and (2) an elastomeric layer selected to resist permeation by the selected chemical(s), which resistant layer is to the interior or exterior side of the indicating layer.
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