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    • 8. 发明申请
    • LOFTY, TACKIFIED NONWOVEN SHEET AND METHOD OF MAKING
    • LOFTY,TACKIFIED NONWOVEN SHEET AND METHOD OF MAKING
    • US20100044909A1
    • 2010-02-25
    • US12194777
    • 2008-08-20
    • Thomas E. HaskettRobert J. Maki
    • Thomas E. HaskettRobert J. Maki
    • B29C65/52B29C70/44
    • A47L25/005A47L13/16D04H1/50D04H1/587D04H1/64
    • A method of making a tackified nonwoven sheet that includes forming a densified, tackified web by providing a rebulkable nonwoven fiber web and applying an adhesive to the nonwoven web. The densified, tackified web is rebulked to an open, lofty form by exposing the densified, tackified web to a temperature of at least 225° F. Finally, a sheet is formed from the rebulked, tackified web. In some embodiments, the so-formed sheet is a cleaning wipe configured for picking up diverse debris such as sand, dust, hair, and/or food particles. In other embodiments, the method further includes the rebulked, tackified web having an increased degree of loftiness as compared to a degree of loftiness of the densified, tackified web prior to rebulking.
    • 一种制造增厚的非织造片材的方法,包括通过提供可重新制造的非织造纤维网并将粘合剂施加到非织造纤维网上来形成致密化的增粘纤维网。 通过将致密化的增粘纤维网暴露于至少225°F的温度,将致密的,增粘的纤维网重新制成开放,高贵的形式。最后,从重新铺展的增粘纤维网形成片材。 在一些实施例中,如此形成的片材是构造成用于拾取诸如沙子,灰尘,头发和/或食物颗粒的不同碎片的清洁擦拭物。 在其它实施方案中,该方法还包括与再压制之前的致密化,增粘的纤维网的高度相比,重新铺展的增粘纤维网具有增加的蓬松度。