Temperature-activated adhesive assemblies
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United States of America Patent
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Feb 7, 1995
Issued Date -
N/A
app pub date -
Feb 27, 1992
filing date -
May 11, 1989
priority date (Note) -
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status (Latency Note)
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Abstract
Temperature-activated adhesive compositions formulated with crystallizable polymers are provided. The compositions, which display a rapid transition from the tacky to the nontacky state, and/or from the nontacky to the tacky state, are useful in medical applications, where adhesion of a substrate to the skin is desired, as well as in a variety of nonmedical applications. Temperature-activated adhesive assemblies such as tapes, labels, and the like for use in a number of contexts are provided which assemblies have a moisture vapor transmission rate which is compatible with human skin, e.g., above 500 g/m.sup.2 /day at 37.degree. C. and a 100% to 10% relative humidity difference.
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