A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/58 (2006.01) C09J 7/02 (2006.01) C09J 153/02 (2006.01)
Patent
CA 2143414
A disposable diaper wherein the noise caused by the frontal portion of the diaper being separated from the fastening tape is suppressed is provided. A disposable diaper in which a frontal tape is adhered on one part of a backsheet of the body of the diaper, and the diaper is worn in a manner where a fastening tape is applied over the surface of said frontal tape and a fastening tape bonding surface is applied over another part of the backsheet, characterized in that release agent is coated on the surface of the frontal tape opposite the surface which is attached to the backsheet, and an adhesive, which comprises an A-B type block copolymer and tackifier, with the glass transition point of the adhesive being in the range of 230K to 260K, and falling within region a of figure 3 is applied on the attaching surface of said fastening tape and a bonding adhesive is applied to the bonding surface.
L'invention concerne une couche jetable dans laquelle le bruit produit lors de la séparation de la bande de fixation de partie frontale de ladite couche a été supprimé. Ladite couche jetable présente une bande frontale du corps de la couche. De plus, ladite couche se porte de façon qu'une bande de fixation soit appliquée sur la surface de ladite bande frontale et qu'une surface autocollante à bande de fixation soit appliquée sur une autre partie de la feuille de base, l'agent de séparation étant appliqué sur la surface fixée à la feuille de base. Un adhésif contenant un copolymère bloc de type A-B et un agent d'adhésivité, le point de transition vitreuse de l'adhésif étant de l'ordre de 230 à 260K, et se situant dans la région a_ de la figure 3, est appliqué sur la surface de réception de ladite bande de fixation et un adhésif de liaison est appliqué sur la surface d'adhérence.
Akiyama Yoshihiro
Kono Yasuhiro
Miller John A.
Mulder Robert S.
Tate Earl Jr.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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