Hot melt adhesive comprising water soluble polyalkyloxazoline and water insoluble polymer
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United States of America Patent
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Sep 1, 1992
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N/A
app pub date -
Dec 21, 1989
filing date -
Jun 29, 1987
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Abstract
Normally water insoluble hot melt adhesive compositions containing structural polymers such as A-B-A block copolymers, butyl rubbers, polyesters, ethylene vinyl acetates, ethylene acrylic acid polymers can be made sensitive to the action of water using an effective water sensitizing amount of a polyalkyloxazoline polymer in the hot melt adhesive. The polyalkyloxazoline polymer can be incorporated into a single phase adhesive composition with the structural polymer using an effective amount of a hydroxyl or carboxylic acid compound.
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