Fabric with microencapsulated breach indication coating

Details Fabric with microencapsulated breach indication coating Fabric with microencapsulated breach indication coating

1998-08-21

2000-05-09

Raimund, Christopher

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

4283215, 427458, 4273899, B32B 326

Patent

active

060601523

ABSTRACT:
A membrane coated with or incorporating a number of different types of microcapsules is disclosed. A first and second type of microcapsule each contain one component of a chemical reaction that produces a chemical agent that is capable of dissolving the shells of all microcapsules, while a third type of microcapsule has a dye or other indicator encapsulated by a chemically dissolvable shell. A structural violation of the membrane also violates the capsules, causing not only the release of an indicator or pharmacologically active substance from the capsules but also the initiation of chemical chain reaction that broadens the scope of the reaction that broadens the scope of the indication beyond the site of the initial breach in the membrane.

REFERENCES:
patent: 3935960 (1976-02-01), Cornell
patent: 4424911 (1984-01-01), Resnick
patent: 5304684 (1994-04-01), Nishida et al.

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