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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：US07588661B2
公开(公告)日：2009-09-15
申请号：US12156820
申请日：2008-06-05
申请人： Steven L. Edwards , Guy H. Super , Stephen J. McCullough , Dean J. Baumgartner , Richard W. Eggen , David P. Duggan , Jeffrey E. Krueger , David W. Lomax , Colin A. Jones
发明人： Steven L. Edwards , Guy H. Super , Stephen J. McCullough , Dean J. Baumgartner , Richard W. Eggen , David P. Duggan , Jeffrey E. Krueger , David W. Lomax , Colin A. Jones
CPC分类号： D21F11/145 , D21F11/006 , D21F11/14 , D21H21/20 , D21H25/005 , D21H27/40 , Y10T428/24446 , Y10T428/24455 , Y10T428/24479
摘要： A process for making absorbent cellulosic paper products such as sheet for towel, tissue and the like, includes compactively dewatering a nascent web followed by wet belt creping the web at an intermediate consistency of anywhere from about 30 to about 60 percent under conditions operative to redistribute the fiber on the belt, which is preferably a fabric. In preferred embodiments, the web is thereafter adhesively applied to a Yankee dryer using a creping adhesive operative to enable high speed transfer of the web of intermediate consistency such as a poly(vinyl alcohol)/polyamide adhesive. An absorbent sheet so prepared from a papermaking furnish exhibits an absorbency of at least about 5 g/g, a CD stretch of at least about 4 percent, and an MD/CD tensile ratio of less than about 1.1, and also exhibits a maximum CD modulus at a CD strain of less than 1 percent and sustains a CD modulus of at least 50 percent of its maximum CD modulus to a CD strain of at least about 4 percent. Products of the invention may also exhibit an MD modulus at break 1.5 to 2 times their initial MD modulus.
摘要翻译： 用于制造吸收性纤维素纸制品的方法，例如用于毛巾，纸巾等的片材，包括将初生纤维网紧密地脱水，然后在可重新分布的条件下以约30至约60％的中等稠度将纸幅起皱 皮带上的纤维，其优选为织物。 在优选的实施方案中，然后使用起皱粘合剂将网状物粘合地施加到扬克烘缸上，起皱粘合剂用于使得中等稠度的纤维网（例如聚（乙烯醇）/聚酰胺粘合剂）能够高速转移。 由造纸配料制成的吸收片表现出至少约5g / g的吸收性，至少约4％的CD拉伸和小于约1.1的MD / CD拉伸比，并且还显示最大CD 在CD应变下的模量小于1％，并且其CD模量至少为其最大CD模量的50％至至少约4％的CD应变。 本发明的产品还可以显示其初始MD模数的1.5倍至2倍的断裂MD模量。
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公开(公告)号：US08568560B2
公开(公告)日：2013-10-29
申请号：US13460940
申请日：2012-05-01
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 absorbent sheet. A cellulosic web is prepared from an aqueous papermaking furnish. The web is fabric-creped. The fabric-creping step forms a creped web with a drawable reticulum having a plurality of interconnected regions of different local basis weights including at least: (i) a plurality of fiber-enriched regions of a relatively high local basis weight, interconnected by way of (ii) a plurality of lower local basis weight linking regions. The drawable reticulum includes a cohesive fiber matrix capable of increasing in void volume upon drawing. The creped web is dried, while substantially preserving the drawable reticulum, to form a dried web, and the dried web is drawn. The drawing step increases the bulk of the dried web.
摘要翻译： 制造纤维素吸收片的方法。 由水性造纸配料制备纤维素网。 网状织物起皱。 织物起皱步骤形成具有可拉伸网状物的起皱网状物，其具有多个不同局部基重的相互连接的区域，至少包括：（i）多个相对较高的局部基重的纤维富集区域，其通过 （ii）多个下部局部基重连接区域。 可拉伸网状物包括能够在拉伸时空隙体积增加的内聚纤维基体。 将起皱纤维网干燥，同时基本上保留可拉伸网状物，以形成干燥的纤维网，并且拉伸干燥的纤维网。 拉伸步骤增加了干燥幅材的体积。
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公开(公告)号：US08388803B2
公开(公告)日：2013-03-05
申请号：US13397745
申请日：2012-02-16
CPC分类号： D21H27/02 , A47K10/02 , B31F1/126 , B31F1/16 , D21F11/006 , D21H11/14 , D21H21/20 , D21H25/005 , D21H27/005 , D21H27/007 , D21H27/40 , Y10T428/24455
摘要： A method of making a fabric-creped absorbent cellulosic sheet includes compactively dewatering a papermaking furnish to form a nascent web having a random distribution of papermaking fiber, applying the nascent web to a translating transfer surface that is moving at a transfer surface speed, fabric-creping the nascent web from the transfer surface at a consistency of from about 30 to about 60 percent utilizing a patterned creping fabric that is traveling at a fabric-creping speed that is slower than the transfer surface speed, the fabric-creping step occurring under pressure in a fabric creping nip defined between the transfer surface and the creping fabric, such that the nascent web is creped from the transfer surface and redistributed on the creping fabric to form a creped web with a drawable reticulum having a plurality of interconnected regions of different local basis weights.
摘要翻译： 制造织物起皱吸收性纤维素片材的方法包括对造纸配料进行压实脱水以形成具有造纸纤维的随机分布的初生纤维网，将初生纤维网施加到以转印面速度移动的平移转印表面， 采用织物起皱速度比转印面速度慢的图案化起皱织物，以约30至约60％的稠度从转印表面起皱初生纤维网，织物起皱步骤在压力下发生 在定义在转移表面和起皱织物之间的织物起皱辊隙中，使得新生纤维网从转移表面起皱并重新分布在起皱织物上以形成具有可拉伸网状物的起皱网，其具有不同局部的多个互连区域 基重。
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公开(公告)号：US20120211186A1
公开(公告)日：2012-08-23
申请号：US13460936
申请日：2012-05-01
IPC分类号： D21H23/00
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 absorbent sheet. A cellulosic web is prepared from an aqueous papermaking furnish. The web is fabric-creped. The fabric-creping step forms a creped web with a drawable reticulum having a plurality of interconnected regions of different local basis weights including at least: (i) a plurality of fiber-enriched regions of a relatively high local basis weight, interconnected by way of (ii) a plurality of lower local basis weight linking regions. The drawable reticulum includes a cohesive fiber matrix capable of increasing in void volume upon drawing. The creped web is dried, while substantially preserving the drawable reticulum, to form a dried web, and the dried web is drawn. The drawing step increases the void volume of the dried web.
摘要翻译： 制造纤维素吸收片的方法。 由水性造纸配料制备纤维素网。 网状织物起皱。 织物起皱步骤形成具有可拉伸网状物的起皱网状物，其具有多个不同局部基重的相互连接的区域，至少包括：（i）多个相对较高的局部基重的纤维富集区域，其通过 （ii）多个下部局部基重连接区域。 可拉伸网状物包括能够在拉伸时空隙体积增加的内聚纤维基体。 将起皱纤维网干燥，同时基本上保留可拉伸网状物，以形成干燥的纤维网，并且拉伸干燥的纤维网。 拉伸步骤增加了干燥纤维网的空隙体积。
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公开(公告)号：US08152958B2
公开(公告)日：2012-04-10
申请号：US12804210
申请日：2010-07-16
CPC分类号： D21H27/02 , A47K10/02 , B31F1/126 , B31F1/16 , D21F11/006 , D21H11/14 , D21H21/20 , D21H25/005 , D21H27/005 , D21H27/007 , D21H27/40 , Y10T428/24455
摘要： A method of making a fabric-creped absorbent cellulosic sheet includes compactively dewatering a papermaking furnish to form a nascent web having an apparently random distribution of papermaking fiber, applying the dewatered web having the apparently random fiber distribution to a translating transfer surface moving at a first speed and fabric-creping the web from the transfer surface at a consistency of from about 30 to about 60 percent utilizing a patterned creping fabric. The creping step occurs under pressure in a fabric creping nip defined between the transfer surface and the creping fabric. The creping fabric travels at a second speed slower than the speed of the transfer surface. The fabric pattern, nip parameters, velocity delta and web consistency are selected such that the web is creped from the transfer surface and redistributed on the creping fabric to form a web with a drawable reticulum.
摘要翻译： 制造织物起皱吸收性纤维素片材的方法包括对造纸配料进行压实脱水以形成具有造纸纤维的明显随机分布的初生纤维网，将具有明显无规纤维分布的脱水纤维网施加到在第一处移动的平移转移表面 使用图案化的起皱织物，以约30至约60％的稠度从转印表面起皱纤维织物。 起皱步骤在压力下发生在织物起皱辊隙中，限定在转移表面和起皱织物之间。 起皱织物以比转印表面的速度慢的第二速度行进。 选择织物图案，辊隙参数，速度三角形和幅材一致性，使得幅材从转印表面起皱并重新分布在起皱织物上以形成具有可拉伸网状物的网。
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公开(公告)号：US20100170647A1
公开(公告)日：2010-07-08
申请号：US12655555
申请日：2009-12-31
IPC分类号： B31F1/12
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 regions of relatively high local basis weight interconnected by way of (ii) a plurality of lower local basis weight linking regions whose fiber orientation is biased along the direction between pileated regions 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连接区互连的多个堆积纤维富集区域，所述区域具有相对较高的局部基重， 在其间相互连接的堆积区域之间的方向，以及（iii）纤维富集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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58.发明授权Wet crepe throughdry process for making absorbent sheet and novel fibrous products 有权湿绉纹干燥工艺，用于制造吸收性片材和新型纤维制品公开(公告)号：US07691228B2
公开(公告)日：2010-04-06
申请号：US11548014
申请日：2006-10-10
申请人： Steven L. Edwards , Greg A. Wendt , Robert J. Marinack , Michael J. Vander Wielen , Stephen J. McCullough , Jeffrey C. McDowell , Guy H. Super , Gary L. Worry
发明人： Steven L. Edwards , Greg A. Wendt , Robert J. Marinack , Michael J. Vander Wielen , Stephen J. McCullough , Jeffrey C. McDowell , Guy H. Super , Gary L. Worry
CPC分类号： D21F11/14 , D21F3/0218 , D21F5/181 , D21F5/182 , D21F11/145 , D21G3/04 , D21G9/0063 , D21H25/005 , Y10T428/24455
摘要： An improved process for making sheet from a fibrous furnish includes: depositing the furnish on a foraminous support; compactively dewatering the furnish to form a nascent web; drying the web on a heated cylinder; creping the web therefrom and throughdrying the web to a finished product. The microstructure of the web is controlled so as to facilitate throughdrying. The product exhibits a characteristic throughdrying coefficient of from 4 to 10 when the airflow through the sheet is characterized by a Reynolds Number of less than about 1. The novel products of the invention are characterized by wet springback ratio, hydraulic diameter and an internal bond strength parameter.
摘要翻译： 从纤维配料制造片材的改进方法包括：将配料沉积在多孔载体上; 紧密地脱水配料以形成新生网; 在加热的圆筒上干燥网; 从其起皱并通过将幅材干燥成成品。 控制幅材的微观结构以促进干燥。 当通过薄片的气流的特征在于小于约1的雷诺数时，该产品具有4至10的特征通过干燥系数。本发明的新产品的特征在于湿回弹比，水力直径和内部粘合强度 参数。
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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：US20090038768A1
公开(公告)日：2009-02-12
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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