Kao Corporation

Shigeto Yanagihara

Mina Tomita

Tetsuya Masuki

Kenji Ishiguro

Mikio Suzuki

Takuya Kouta

Masanori Minato

A disposable diaper is provided comprising a liquid permeable topsheet, a liquid impermeable backsheet, and a liquid retentive absorbent member interposed between the topsheet and the backsheet. The absorbent member comprises, in admixture, a superabsorbent polymer A having a rate of absorption of 8 g/30 sec/0.3 g or more measured by DW method and a superabsorbent polymer B having a rate of absorption of 5 g/30 sec/0.3 g or less measured by DW method at a polymer A/polymer B weight ratio of 90/10 to 10/90. The admixture optionally further comprises fluff pulp in an amount of from 0 to 30% by weight.

Disposable diaper and absorbent member used therein

A disposable diaper is provided comprising a liquid permeable topsheet, a liquid impermeable backsheet, and a liquid retentive absorbent member interposed between the two sheets, wherein the disposable diaper has a product basis weight of 50 to 220 g/cm , and a portion of the disposable diaper where the absorbent member is positioned has a portion having a rate of body fluid absorption of 3.0 g/sec or more and a portion having a saturated body fluid absorption of 75 g/100 cm or more.

Disposable diaper with absorbent member

Growing community of inventors

Haga-gun, Japan

Shigeto Yanagihara