Sheet for Absorbent Article and Absorbent Article Using the Same
Patent #: 6,844,481
Inventor(s): Shoichi Taneichi, Yasuhiro Komori, Manabu Kaneda, Shinsuke Nagahara, Tetsuyuki Kigata, Yayoi Fukuhara, Masahito Tanaka, and Minoru Nakanishi
Company: Kao Corporation
A sheet that gives an absorbent article improved recovery from distortion was patented. The sheet comprises thermally bonded nonwoven fabric containing 70% by weight or more of core-sheath type thermally bonding conjugate fibers, which are thermally fused together at their intersections, wherein the core comprises a polyester and the sheath comprises a copolymer mainly comprising propylene or a copolymer mainly comprising ethylene. The sheet has a recovery force of 0.7 cN or more in the cross direction, a compressive strength of 100 cN or less and a basis weight of 20 gpsm or more.
View on USPTO