Microwave-active tape having a cured polyolefin pressure-sensitive adhesive layer
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United States of America Patent
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Jun 27, 1995
Issued Date -
N/A
app pub date -
Dec 7, 1993
filing date -
Feb 7, 1991
priority date (Note) -
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Abstract
A piece of microwave-active tape which is odor-free and physiologically inert can be adhered to a food package and remains strongly adhered during cooking at temperatures of at least 200.degree. C. The tape has layers of microwave-active material and a pressure-sensitive adhesive which is a polymeric .alpha.-olefin that has been cured to afford a 'Peel Value' of at least 5 N/dm and a 'Shrink Back' at 220.degree. C. of less than 5%. The tape can have a flexible backing such as a low-adhesion carrier web which can be stripped off from a piece of the tape that has been applied to a microwave food package, or when the backing is heat-resistant, it can be left in place.
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