Patent ID: 9592694
Date: 2017-03-14
CPC Classifications: B05D,B41M,C08K,C09J,G01D,Y10T

Claim:
1. A method of making a tape, said method comprising: providing an elongate substrate having opposing first and second faces; encapsulating both a colorant and a solvent within first pressure-rupturable microcapsules, said colorant and said solvent providing a first color; providing a developer; combining said first pressure-rupturable microcapsules and said developer to provide a coating composition; coating said first face of said elongate substrate with said coating composition; and coupling an adhesive layer to said first face of said elongate substrate; wherein upon rupture of said first pressure-rupturable microcapsules, said colorant and said solvent combine with said developer to generate a color change from said first color to a second color.