公开(公告)号：US20080038507A1

公开(公告)日：2008-02-14

申请号：US11463122

申请日：2006-08-08

申请人： Jayshree Seth ,  Katherine A. Graham ,  Brandy S. Nolan

发明人： Jayshree Seth ,  Katherine A. Graham ,  Brandy S. Nolan

IPC分类号： B32B3/02

CPC分类号： B32B25/00 ,  A61F13/49015 ,  A61F13/4902 ,  Y10T428/24612 ,  Y10T428/24802 ,  Y10T428/24851

摘要： There is provided an elastic laminate of a base layer with one or more attached elastic elements forming an elastic region. The elastic region width varies from a terminal end of the elastic tab to a proximal end of the elastic tab such that a width adjacent the terminal end is 20 to 80 percent narrower than a width adjacent the proximal end. The elastic region is defined by a plurality of segments, having differing average widths in the length direction of the elastic tab elastic region. The one or more elastic elements vary in one or more properties such that a plurality of the segments having different widths have substantially the same degree of elongation at a given elongation of the shaped elastic tab laminate.

摘要翻译： 提供了具有形成弹性区域的一个或多个附着的弹性元件的基底层的弹性层压体。 弹性区域宽度从弹性片的末端到弹性片的近端变化，使得邻近终端的宽度比邻近近端的宽度窄20至80％。 弹性区域由弹性片弹性区域的长度方向上的平均宽度不同的多个区段限定。 一个或多个弹性元件在一个或多个特性中变化，使得具有不同宽度的多个片段在成形弹性片层叠体的给定伸长下具有基本相同的伸长程度。

公开(公告)号：US07744807B2

公开(公告)日：2010-06-29

申请号：US11462817

申请日：2006-08-07

申请人： Michael R. Berrigan ,  Anne N. De Rovere ,  Bradley W. Eaton ,  Brandy S. Nolan ,  Troy K. Ista ,  Timothy J. Lindquist

发明人： Michael R. Berrigan ,  Anne N. De Rovere ,  Bradley W. Eaton ,  Brandy S. Nolan ,  Troy K. Ista ,  Timothy J. Lindquist

IPC分类号： B28B3/20

CPC分类号： D04H3/14 ,  D01D5/0985 ,  D01F6/04 ,  D01F6/06 ,  D01F6/42 ,  D01F6/60 ,  D01F6/62 ,  D01F6/70 ,  D04H3/00 ,  D04H3/08 ,  Y10T442/601 ,  Y10T442/602 ,  Y10T442/68 ,  Y10T442/681 ,  Y10T442/689 ,  Y10T442/69 ,  Y10T442/697

摘要： A coherent nonwoven fibrous web comprises directly formed elastic fibers that have a molecular orientation sufficient to provide a birefringence number of at least 1×10−5 and preferably at least 1×10−2. The web can be made by a method that comprises a) extruding filaments of elastic-fiber-forming material; b) directing the filaments through a processing chamber in which gaseous currents apply a longitudinal stress to the filaments that attenuates and draws the filaments; c) maintaining the filaments at their orienting temperature while the filaments are under attenuating and drawing stress for a sufficient time for molecules within the filaments to become oriented along the length of the filaments; d) cooling the filaments to their orientation-locking temperature while the filaments are under attenuating and drawing stress and further cooling the filaments to a solidified fiber form; and e) collecting the solidified fibers as a fibrous nonwoven web. In a preferred aspect, the method includes the further step of annealing the collected fibers by exposing them to a temperature that is above their shrinking temperature but less than their relaxation temperature, and preferably bonding the fibers after (or before) the annealing step. Dimensionally stable webs comprising elastic oriented fibers are obtained.

摘要翻译： 相干非织造纤维网包括直接形成的弹性纤维，其具有足以提供至少1×10 -5，优选至少1×10 -2的双折射数的分子取向。 纤维网可以通过以下方法制成：a）挤出成形弹性纤维材料的长丝; b）引导细丝通过处理室，其中气流对长丝施加纵向应力，该长丝应力衰减并拉伸长丝; c）将长丝保持在它们的定向温度，同时长丝处于衰减和拉伸应力足够长的时间，使细丝内的分子变得沿着长丝的长度取向; d）当细丝处于衰减和拉伸应力下并将细丝进一步冷却至固化的纤维形式时，将长丝冷却至定向锁定温度; 和e）收集作为纤维非织造纤维网的固化纤维。 在一个优选的方面，该方法包括通过将收集的纤维暴露于高于其收缩温度但小于其松弛温度的温度并优选在退火步骤之后（或之前）粘结纤维来退火所收集的纤维的另外步骤。 获得包含弹性取向纤维的尺寸稳定的纤维网。

公开(公告)号：US07534481B2

公开(公告)日：2009-05-19

申请号：US11463122

申请日：2006-08-08

申请人： Jayshree Seth ,  Katherine A. Graham ,  Brandy S. Nolan

发明人： Jayshree Seth ,  Katherine A. Graham ,  Brandy S. Nolan

IPC分类号： B32B3/26

CPC分类号： B32B25/00 ,  A61F13/49015 ,  A61F13/4902 ,  Y10T428/24612 ,  Y10T428/24802 ,  Y10T428/24851

摘要： There is provided an elastic laminate of a base layer with one or more attached elastic elements forming an elastic region. The elastic region width varies from a terminal end of the elastic tab to a proximal end of the elastic tab such that a width adjacent the terminal end is 20 to 80 percent narrower than a width adjacent the proximal end. The elastic region is defined by a plurality of segments, having differing average widths in the length direction of the elastic tab elastic region. The one or more elastic elements vary in one or more properties such that a plurality of the segments having different widths have substantially the same degree of elongation at a given elongation of the shaped elastic tab laminate.

摘要翻译： 提供了具有形成弹性区域的一个或多个附着的弹性元件的基底层的弹性层压体。 弹性区域宽度从弹性片的末端到弹性片的近端变化，使得邻近终端的宽度比邻近近端的宽度窄20至80％。 弹性区域由弹性片弹性区域的长度方向上的平均宽度不同的多个区段限定。 一个或多个弹性元件在一个或多个特性中变化，使得具有不同宽度的多个片段在成形弹性片层叠体的给定伸长下具有基本相同的伸长程度。