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公开(公告)号：US07662255B2
公开(公告)日：2010-02-16
申请号：US11901673
申请日：2007-09-18
CPC分类号： D21F11/14 , B31F1/126 , D21H25/005 , D21H27/002 , D21H27/005 , D21H27/008 , Y10T428/24446 , Y10T428/24455 , Y10T428/24479 , Y10T428/249965
摘要： A method of making a cellulosic web includes: forming a nascent web from a papermaking furnish, the nascent web having a generally random distribution of papermaking fiber; b) transferring the web having a generally random distribution of papermaking fiber to a translating transfer surface moving at a first speed; drying the web to a consistency of from about 30 to about 60 percent including compactively dewatering the web prior to or concurrently with transfer to the transfer surface; fabric-creping the web from the transfer surface at a consistency of from about 30 to about 60 percent utilizing a creping fabric with a patterned creping surface, the fabric creping step occurring under pressure in a fabric creping nip defined between the transfer surface and the creping fabric wherein the fabric is traveling at a second speed slower than the speed of said transfer surface, the fabric pattern, nip parameters, velocity delta and web consistency being selected such that the web is creped from the transfer surface and redistributed on the creping fabric such that the web has a plurality of fiber-enriched regions arranged in a pattern corresponding to the patterned creping surface of the fabric, optionally drying the wet web while it is held in the creping fabric. Preferably, the formed web is characterized in that its void volume increases upon drawing.
摘要翻译： 制造纤维素网的方法包括：从造纸配料形成初生纤维网，初生纤维网通常具有造纸纤维的随机分布; b）将具有大致随机分布的造纸纤维的幅材转印到以第一速度移动的平移转印表面; 将幅材干燥至约30％至约60％的稠度，包括在转移到转印表面之前或同时转移至纸幅上的压实脱水; 织物使用具有图案化的起皱表面的起皱织物以约30至约60％的稠度从转印表面起皱织物，织物起皱步骤在压力下在织物起皱辊隙中发生，所述织物起皱辊隙限定在转移表面和起皱之间 织物，其中织物以比所述转移表面的速度慢的第二速度行进，织物图案，辊隙参数，速度增量和幅材稠度被选择为使得纤维网从转印表面起皱并重新分布在起皱织物上，如 纤维网具有以对应于织物的图案化起皱表面的图案布置的多个纤维富集区域，任选地在湿纸幅被保持在起皱织物中时干燥。 优选地，所形成的纤维网的特征在于其拉伸时其空隙体积增加。
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公开(公告)号：US07651589B2
公开(公告)日：2010-01-26
申请号：US11901599
申请日：2007-09-18
CPC分类号： D21F11/14 , B31F1/126 , D21H25/005 , D21H27/002 , D21H27/005 , D21H27/008 , Y10T428/24446 , Y10T428/24455 , Y10T428/24479 , Y10T428/249965
摘要： A method of making a cellulosic web includes: forming a nascent web from a papermaking furnish, the nascent web having a generally random distribution of papermaking fiber; b) transferring the web having a generally random distribution of papermaking fiber to a translating transfer surface moving at a first speed; drying the web to a consistency of from about 30 to about 60 percent including compactively dewatering the web prior to or concurrently with transfer to the transfer surface; fabric-creping the web from the transfer surface at a consistency of from about 30 to about 60 percent utilizing a creping fabric with a patterned creping surface, the fabric creping step occurring under pressure in a fabric creping nip defined between the transfer surface and the creping fabric wherein the fabric is traveling at a second speed slower than the speed of said transfer surface, the fabric pattern, nip parameters, velocity delta and web consistency being selected such that the web is creped from the transfer surface and redistributed on the creping fabric such that the web has a plurality of fiber-enriched regions arranged in a pattern corresponding to the patterned creping surface of the fabric, optionally drying the wet web while it is held in the creping fabric. Preferably, the formed web is characterized in that its void volume increases upon drawing.
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公开(公告)号：US07670457B2
公开(公告)日：2010-03-02
申请号：US12286435
申请日：2008-09-30
IPC分类号： B31F1/12
CPC分类号： D21F11/14 , B31F1/126 , D21H25/005 , D21H27/002 , D21H27/005 , D21H27/008 , Y10T428/24446 , Y10T428/24455 , Y10T428/24479 , Y10T428/249965
摘要： A method of making a cellulosic web includes: forming a nascent web from a papermaking furnish, the nascent web having a generally random distribution of papermaking fiber; b) transferring the web having a generally random distribution of papermaking fiber to a translating transfer surface moving at a first speed; drying the web to a consistency of from about 30 to about 60 percent including compactively dewatering the web prior to or concurrently with transfer to the transfer surface; fabric-creping the web from the transfer surface at a consistency of from about 30 to about 60 percent utilizing a creping fabric with a patterned creping surface, the fabric creping step occurring under pressure in a fabric creping nip defined between the transfer surface and the creping fabric wherein the fabric is traveling at a second speed slower than the speed of said transfer surface, the fabric pattern, nip parameters, velocity delta and web consistency being selected such that the web is creped from the transfer surface and redistributed on the creping fabric such that the web has a plurality of fiber-enriched regions arranged in a pattern corresponding to the patterned creping surface of the fabric, optionally drying the wet web while it is held in the creping fabric. Preferably, the formed web is characterized in that its void volume increases upon drawing.
摘要翻译： 制造纤维素网的方法包括：从造纸配料形成初生纤维网，初生纤维网通常具有造纸纤维的随机分布; b）将具有大致随机分布的造纸纤维的幅材转印到以第一速度移动的平移转印表面; 将幅材干燥至约30％至约60％的稠度，包括在转移到转印表面之前或同时转移至纸幅上的压实脱水; 织物使用具有图案化的起皱表面的起皱织物以约30至约60％的稠度从转印表面起皱织物，织物起皱步骤在压力下在织物起皱辊隙中发生，所述织物起皱辊隙限定在转移表面和起皱之间 织物，其中织物以比所述转移表面的速度慢的第二速度行进，织物图案，辊隙参数，速度增量和幅材稠度被选择为使得纤维网从转印表面起皱并重新分布在起皱织物上，如 纤维网具有以对应于织物的图案化起皱表面的图案布置的多个纤维富集区域，任选地在湿纸幅被保持在起皱织物中时干燥。 优选地，所形成的纤维网的特征在于其拉伸时其空隙体积增加。
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公开(公告)号：US07662257B2
公开(公告)日：2010-02-16
申请号：US11402609
申请日：2006-04-12
CPC分类号： D21H27/30 , B31F1/07 , B31F2201/0743 , B31F2201/0756 , B31F2201/0764 , B31F2201/0766 , B31F2201/0784 , B31F2201/0787 , B31F2201/0789 , D21H27/002 , Y10T428/24479 , Y10T428/24612
摘要： A multi-ply absorbent sheet of cellulosic fiber with continuous outer surfaces is provided an absorbent core between the outer surfaces. The absorbent core includes a non-woven fiber network having: (i) a plurality of pileated fiber enriched of relatively high local basis weight interconnected by way of (ii) a plurality of lower local basis weight linking whose fiber orientation is biased along the direction between pileated interconnected thereby, and (iii) a plurality of fiber-deprived cellules between the fiber enriched and linking regions, also being characterized by a local basis weight lower than the fiber enriched regions. The cellules provide a sponge-like internal structure of low fiber density regions.
摘要翻译： 具有连续外表面的纤维素纤维的多层吸收性片材在外表面之间设置有吸收芯。 吸收芯包括无纺纤维网，其具有：（i）通过（ii）多个下部局部基重重量互连的富含相对较高局部基重的多个堆积纤维，其多个下部局部基重重量连接，其纤维取向沿着该方向偏置 在其之间堆叠的相互连接，以及（iii）在富含纤维和连接区域之间的多个纤维剥夺的细胞团，其特征还在于低于富含纤维的区域的局部基础重量。 细胞提供了低密度纤维密度区域的海绵状内部结构。
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公开(公告)号：US07300547B2
公开(公告)日：2007-11-27
申请号：US10702414
申请日：2003-11-06
CPC分类号： B32B29/002 , B32B7/12 , B32B23/04 , B32B23/10 , B32B29/005 , B32B29/06 , B32B2250/02 , B32B2307/7145 , B32B2307/726 , B32B2317/125 , B32B2391/00 , B32B2555/02 , D06M10/02 , D06M15/00 , D21H17/60 , D21H21/16 , D21H25/06 , D21H27/30 , D21H27/32 , Y10T428/249965
摘要： An absorbent paper sheet is treated with an aqueous wax dispersion such that the sheet includes a fused wax and emulsifier residue in an amount of from about 1 to about 20 weight percent of the sheet based on the combined weight of the fiber, wax residue and an emulsifier residue in the sheet. The fused wax emulsion operates to make at least one surface of the sheet laterally hydrophobic, exhibiting a moisture penetration delay of at least about 2 seconds and less than about 40 seconds as well as a typical contact angle with water at one minute of at least about 50 degrees. There is thus provided absorbent products which exhibit both absorbency and resistance to moisture penetration. The treated sheet further exhibits microbial barrier properties, impeding transfer of bacteria, for example, through the sheet. There are produced tissue products which resist moisture penetration from propelled liquids as well as sequester sorbed liquids in the interior of the tissue.
摘要翻译： 用水性蜡分散体处理吸收性纸张，使得片材包含熔融蜡和乳化剂残余物，其量为纸的约1至约20重量％，基于纤维，蜡残余物和 乳化剂残留在片材中。 熔融蜡乳液操作以使片材的至少一个表面横向疏水，表现出至少约2秒且小于约40秒的水分渗透延迟，以及与一分钟至少约一分钟的水的典型接触角 50度。 因此，提供了吸收性产品，其具有吸湿性和耐潮湿渗透性。 经处理的片材还具有微生物阻挡性能，阻止例如通过片材的细菌转移。 产生的组织产品抵抗来自推进液体的水分渗透以及组织内部的螯合吸附液体。
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