LOW APPLICATION TEMPEARATURE AMORPHOUS POLY-a-OLEFIN ADHESIVE
AssigneeHenkel Corporation
InventorsYuhong Hu, Charles W. Paul, Darshak Desai, Salvador Alvarado
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Abstract
It has been discovered that amorphous polybutene copolymers that have a softening point of from about 70 to about 105° C. and viscosity of less than about 1,900 cP at 190° C. possesses desirable properties and may be used to make a low application temperature hot melt adhesive for disposable absorbent articles.
Claims20
A hot melt adhesive comprising at least 45 wt %, based on the adhesive, of an amorphous polybutene copolymer which has a softening point of from about 70 to about 105° C. and viscosity of less than about 1,900 cP at 190° C., and wherein the hot melt adhesive has a viscosity of less than about 6,000 cP at 150° C.
Dependencies are inferred from the claim text.