Kao Corporation

Masao Kurahashi

Mikio Suzuki

Harumitsu Toyoda

Tetsuya Masuki

Akihiko Gunji

Haruko Kawaguchi

Katsushi Maeda

Kazuo Fujita

An absorbent article includes a liquid permeable topsheet, a liquid-impermeable and moisture-permeable leakproof sheet, and a liquid retentive absorbent member interposed between the topsheet and the leakproof sheet. A foamed material is disposed in the absorbent member. The foamed material has a density of 5 to 35 kg/m , a no-load thickness of 1 to 10 mm, and a compressive recovery of 60% or more in terms of (b/a&times;100), wherein a is a thickness (mm) measured after 24-hour standing with no load applied, and b is a thickness (mm) measured after 24-hour compression under a load of 180 gf/cm followed by 30-minute standing with no load applied. The foamed material is fixed at the prescribed position with an adhesive, which has been applied to have applied parts and unapplied parts.

Absorbent article

A composite sheet comprising a liquid impermeable sheet and a nonwoven fabric joined to each other by an adhesive composition, the liquid impermeable sheet having a thickness of 15 to 40 .mu.m; the nonwoven fabric having a fiber diameter of 1.5 to 3.5 deniers and a basis weight of 10 to 35 g/m.sup.2 ; and the adhesive composition comprising not less than 20% by weight of an amorphous poly-.alpha.-olefin (APAO) having a melt viscosity of 500 to 10,000 cps at 180.degree. C. and applied at an amount of 0.5 to 7 g/m.sup.2.

Composite sheet, absorbent article and process for producing the same

Shorts type disposable diaper

Growing community of inventors

Haga-gun, Japan

Masao Kurahashi