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    • 3. 发明申请
    • Stretch nonwoven fabric and process of producing the same
    • 拉伸无纺布及其制造方法
    • US20090308524A1
    • 2009-12-17
    • US11919180
    • 2006-04-24
    • Akihiko GunjiHideyuki KobayashiKoji KanazawaTetsuya MasukiTakeshi Miyamura
    • Akihiko GunjiHideyuki KobayashiKoji KanazawaTetsuya MasukiTakeshi Miyamura
    • B32B38/00D04H1/00
    • B32B5/26D04H1/4374D04H1/559Y10T442/602
    • A stretch nonwoven fabric 10 includes an elastic fiber layer 1 and inelastic fiber layers 2 and 3 having substantial inelasticity on the respective sides of the elastic fiber layer 1. The fiber layers 1, 2, and 3 are joined together over the entire area by thermal fusion at fiber intersections while the fibers of the elastic fiber layer 1 remain the fibrous form. The inelastic fiber layers 2 and 3 have part of their fibers enter the elastic fiber layer 1 and/or the elastic fiber layer has part of its fibers enter the inelastic fiber layers 2 and 3. The stretch nonwoven fabric is preferably produced by stacking an elastic fiber web and an inelastic fiber web on each other, applying a through-air system hot air treatment to the stack while the webs are in a non-united state to obtain a fibrous sheet having the webs united together, stretching the fibrous sheet in at least one direction, and releasing the fibrous sheet from the stretched state.
    • 拉伸无纺布10包括弹性纤维层1和在弹性纤维层1的各侧上具有显着非弹性的非弹性纤维层2和3。纤维层1,2和3通过热量在整个区域上接合在一起 在纤维交叉处融合,而弹性纤维层1的纤维保持纤维状。 非弹性纤维层2和3的一部分纤维进入弹性纤维层1和/或弹性纤维层的一部分纤维进入非弹性纤维层2,3。拉伸无纺布优选通过将弹性纤维层 纤维网和非弹性纤维网彼此之间,在纤维网处于非联合状态时,将通气系统热空气处理施加到堆叠,以获得具有纤维网的纤维片材结合在一起,将纤维片材拉伸在 至少一个方向,并且从拉伸状态释放纤维片材。