Radiation-cured, non-blocking heat activated label adhesive and coatings and method for using same
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United States of America Patent
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Apr 3, 2001
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N/A
app pub date -
Apr 13, 1999
filing date -
Apr 13, 1999
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Abstract
A radiation curable precursor coating composition for the preparation of a non-blocking, heat activatable adhesive includes a curable acrylic material, a curable elastomeric material, and a hydrocarbon tackifier material having a softening temperature ranging from approximately 50.degree. C. to approximately 200.degree. C., wherein when the acrylic material and the elastomeric material are cured, the coating composition is non-blocking at room temperature, but when the coating composition is heated to a temperature above both the softening temperature of the hydrocarbon tackifier and the Tg of the coating composition, the coating composition becomes adhesive.
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