Absorbent articles comprising a radiation cured hot melt positioning adhesive
AssigneeHenkel AG & Co. KGaA
InventorWei Kong
Life of this patent
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Abstract
An article comprising an adhesive attachment region is provided. The adhesive attachment region comprises a radiation curable hot melt pressure sensitive adhesive.
Claims10
A disposable absorbent article comprising an adhesive attachment region for positioning the article to a fabric substrate, said attachment region comprising a cured ultraviolet curable acrylic hot melt adhesive composition, said composition comprising an acrylic polymer obtained from a C4 to C8 alkylacrylate comprising (a) a covalently bonded photoinitiator and (b) a tackifier which is a hydrogenated rosin ester and/or a rosin acid.
A feminine hygiene pad comprising a liquid-permeable top sheet, a liquid-impermeable back sheet, which top sheet may be attached to the back sheet, an absorbent structure positioned between the top sheet and the back sheet, and an adhesive attachment region positioned on said back sheet, said adhesive attachment region comprising a cured ultraviolet curable acrylic hot melt pressure sensitive adhesive, said ultraviolet curable acrylic hot melt pressure sensitive adhesive comprising (a) an acrylic polymer obtained from a C4 to C8 alkylacrylate comprising a covalently bonded photoinitiator and (b) a tackifier which is a hydrogenated rosin ester and/or a rosin acid.
Dependencies are inferred from the claim text.