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US 2006/0135924 A1Published application
Absorbent article having a skin contactable hot melt pressure sensitive adhesive
OwnerJoseph Luizziinventor
Life of this patent
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Abstract
There is provided an absorbent article having a skin contactable hot melt pressure sensitive adhesive composition, which provides improved adhesion to skin. The pressure sensitive adhesive uses an endblock softening agent. The endblock softening agent contained in the adhesive's composition is preferably a low softening point aromatic resin tackifier.
Claims14
An absorbent article having a skin contactable hot melt adhesive, comprising:
- a.) a backing layer having a first surface adapted to contact a user's skin in use and a second surface opposite the first surface;
- b.) an absorbent pad;
- and c.) a hot melt adhesive comprising a block copolymer, mid-block tackifying resin, mid-block plasticizer, an end-block softening agent and an antioxidant, wherein the hot melt adhesive and the absorbent pad are on the first surface.
A hot melt adhesive comprising:
- (a) about 20 to 60 weight percent of a styrene-isoprene-styrene block copolymer;
- (b) about 20 to 80 weight percent of mid-block tackifying resin;
- (c) about 0 to 40 weight percent of mid-block plasticizer;
- (d) about 5 to 30 weight percent of end-block softening agent;
- and
- (e) about 0 to 2.0 weight percent antioxidant.
3 more elements
Dependencies are inferred from the claim text.