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1.发明授权Water-disintegratable fibrous sheet having layered structure and wiping sheet comprising the same 有权具有层状结构的水解性纤维片和包含该层状结构的擦拭片公开(公告)号：US06187141B1
公开(公告)日：2001-02-13
申请号：US09154285
申请日：1998-09-16
IPC分类号： D21F1100
CPC分类号： B32B5/26 , A47K10/16 , B32B7/12 , B32B2432/00 , D21H11/04 , D21H17/26 , D21H17/66 , D21H27/38 , Y10T428/237 , Y10T428/31819 , Y10T442/2762
摘要： A water-disintegratable fibrous sheet having a layered structure comprising: (a) at least one first fiber web comprising pulp of conifer and pulp of hardwood; (b) at least one second fiber web comprising pulp of conifer, having a content of pulp of hardwood less than that in said first fiber web or containing no pulp of hardwood, said first and second fiber webs forming said layered structure; and (c) a water-insoluble or water-swellable binder being added to at least one of said first and second fiber webs. The fibrous sheet excellent in water-disintegratability and strength can be obtained.
摘要翻译： 一种具有层状结构的可水解的纤维片，包括：（a）至少一个第一纤维网，其包含硬木浆的针叶树和纸浆; （b）至少一个包含针叶树纸浆的第二纤维网，其硬木浆含量低于所述第一纤维网中的纸浆含量或不含硬木纸浆，所述第一和第二纤维网形成所述分层结构; 和（c）向所述第一和第二纤维网中的至少一个加入水不溶性或水可溶胀粘合剂。 可以获得水崩解性和强度优异的纤维片。
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公开(公告)号：US06669878B2
公开(公告)日：2003-12-30
申请号：US09788157
申请日：2001-02-16
IPC分类号： D04H164
CPC分类号： D21H25/005 , A61F13/84 , D04H1/48 , D04H1/49 , D04H1/64 , D21H17/26 , D21H17/36 , Y10T428/24446 , Y10T442/20 , Y10T442/2738 , Y10T442/277 , Y10T442/2869 , Y10T442/695 , Y10T442/698
摘要： A water disintegratable non-woven fabric having excellent water disintegratability and high wet strength can be obtained by a step of forming a fiber web from fibers having a fiber length of 10 mm or less, a step of applying a water jet treatment to the fiber web to obtain a fiber sheet having wet strength of less than 100 g/25 mm in MD and CD, the wet strength being defined by tensile strength at break of the fiber sheet, as measured by using a tensilon tester with a chuck distance of 100 mm, at a tensile speed of 100 mm/min to the fiber sheet which is cut into 25 mm width and 150 mm length and impregnated with water in an amount 2.5 times the weight of the fiber sheet, and a step of adding at least one binder selected from the group consisting of carboxymethyl cellulose, alkylcellulose, polyvinyl alcohol and modified polyvinyl alcohol to the fiber sheet. The water disintegratable non-woven fabric is sufficiently bulky and has an excellent wiping effect.
摘要翻译： 通过从纤维长度为10mm以下的纤维形成纤维网的步骤，可以获得具有优异的水分解性和高湿强度的水崩解性无纺布，对纤维网施加喷水处理的步骤 为了获得MD和CD中湿强度小于100g / 25mm的纤维片，湿强度由纤维片断裂时的拉伸强度限定，通过使用卡盘距离为100mm的张力试验机 以100mm / min的拉伸速度将纤维片切割成长度为25mm，长150mm的纤维片，并浸渍2.5倍纤维片重量的水，并加入至少一种粘合剂 选自羧甲基纤维素，烷基纤维素，聚乙烯醇和改性聚乙烯醇组成的组。 水解性无纺布的体积足够大，擦拭效果好。
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3.发明授权公开(公告)号：US06451718B1
公开(公告)日：2002-09-17
申请号：US09229375
申请日：1999-01-12
IPC分类号： D06N704
CPC分类号： D21H25/005 , A61F13/84 , D04H1/48 , D04H1/49 , D04H1/64 , D21H17/26 , D21H17/36 , Y10T428/24446 , Y10T442/20 , Y10T442/2738 , Y10T442/277 , Y10T442/2869 , Y10T442/695 , Y10T442/698
摘要： A water disintegratable non-woven fabric having excellent water disintegratability and high wet strength can be obtained by a step of forming a fiber web from fibers having a fiber length of 10 mm or less, a step of applying a water jet treatment to the fiber web to obtain a fiber sheet having wet strength of less than 100 g/25 mm in MD and CD, the wet strength being defined by tensile strength at break of the fiber sheet, as measured by using a tensilon tester with a chuck distance of 100 mm, at a tensile speed of 100 mm/min to the fiber sheet which is cut into 25 mm width and 150 mm length and impregnated with water in an amount 2.5 times the weight of the fiber sheet, and a step of adding at least one binder selected from the group consisting of carboxymethyl cellulose, alkylcellulose, polyvinyl alcohol and modified polyvinyl alcohol to the fiber sheet. The water disintegratable non-woven fabric is sufficiently bulky and has an excellent wiping effect.
摘要翻译： 通过从纤维长度为10mm以下的纤维形成纤维网的步骤，可以获得具有优异的水分解性和高湿强度的水崩解性无纺布，对纤维网施加水射流处理的步骤 为了获得MD和CD中湿强度小于100g / 25mm的纤维片，湿强度由纤维片断裂时的拉伸强度限定，通过使用卡盘距离为100mm的张力试验机 以100mm / min的拉伸速度将纤维片切割成长度为25mm，长150mm的纤维片，并浸渍2.5倍纤维片重量的水，并加入至少一种粘合剂 选自羧甲基纤维素，烷基纤维素，聚乙烯醇和改性聚乙烯醇组成的组。 水解性无纺布的体积足够大，擦拭效果好。
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公开(公告)号：US06309731B1
公开(公告)日：2001-10-30
申请号：US09256654
申请日：1999-02-23
IPC分类号： B32B328
CPC分类号： A47K10/16 , B31F1/12 , B32B29/00 , D21H27/32 , D21H27/40 , Y10T156/1023 , Y10T428/24463 , Y10T428/24802 , Y10T428/24826 , Y10T428/24942
摘要： After laminating together the first sheets crepe-processed at a high crepe ratio and the second sheet crepe-processed at a crepe ratio lower than that of the first sheet or not crepe-processed, the sheets are bonded together at bonding parts at a given pitch in rows. When the resulting bonded sheets are impregnated with a liquid, expansions are generated between the rows of bonding parts due to the difference in ratios of the elongation of the two sheets. The expansions take on the shape of large wrinkle according to the pitch of the bonding parts. At the production process of the sheet, the sheet is crepe-processed containing water at a preset ratio, whereby small wrinkles as residual crepe wrinkles are formed on the sheet surface. The large wrinkles and the small wrinkles can enhance the wiping effect.
摘要翻译： 将以较高的绉纱率进行绉纹加工的第一片层压在一起，以比起第一片的绉纹比低的绉纱加工而不进行绉纱处理的第二片，将片材以接合部以给定的间距 在行。 当所得到的粘合片材浸渍有液体时，由于两张片材的伸长率的差异，在粘合部件的排之间产生膨胀。 根据接合部的间距，膨胀呈大皱纹的形状。 在片材的制造过程中，片材以预先设定的比例进行绉纱处理，由此在片材表面上形成作为残留皱纹的小褶皱。 大皱纹和小皱纹可增强擦拭效果。
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公开(公告)号：US5980673A
公开(公告)日：1999-11-09
申请号：US34731
申请日：1998-03-04
CPC分类号： A47K10/16 , B31F1/12 , B32B29/00 , D21H27/40 , D21H27/32 , Y10T156/1023 , Y10T428/24463 , Y10T428/24802 , Y10T428/24826 , Y10T428/24942
摘要： After laminating together the first sheets crepe-processed at a high crepe ratio and the second sheet crepe-processed at a crepe ratio lower than that of the first sheet or not crepe-processed, the sheets are bonded together at bonding parts at a given pitch in rows. When the resulting bonded sheets are impregnated with a liquid, expansions are generated between the rows of bonding parts due to the difference in ratios of the elongation of the two sheets. The expansions take on the shape of large wrinkle according to the pitch of the bonding parts. At the production process of the sheet, the sheet is crepe-processed containing water at a preset ratio, whereby small wrinkles as residual crepe wrinkles are formed on the sheet surface. The large wrinkles and the small wrinkles can enhance the wiping effect.
摘要翻译： 将以较高的绉纱率进行绉纹加工的第一片层压在一起，以比起第一片的绉纹比低的绉纱加工而不进行绉纱处理的第二片，将片材以接合部以给定的间距 在行。 当所得到的粘合片材浸渍有液体时，由于两张片材的伸长率的差异，在粘合部件的排之间产生膨胀。 根据接合部的间距，膨胀呈大皱纹的形状。 在片材的制造过程中，片材以预先设定的比例进行绉纱处理，由此在片材表面上形成作为残留皱纹的小褶皱。 大皱纹和小皱纹可增强擦拭效果。
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公开(公告)号：US06602386B1
公开(公告)日：2003-08-05
申请号：US09491621
申请日：2000-01-26
IPC分类号： D21F1100
CPC分类号： D21H13/08 , Y10T442/689
摘要： Conventional water-decomposable fibrous sheets for cleaning sheets capable of being disposed of in toilets and others do not have well-balanced decomposability in water and strength. The water-decomposable fibrous sheet containing from 5 to 100% by mass of fibrillated rayon having a fiber length of at most 10 mm and having a degree of beating of at most 700 cc, optionally along with other fibers having a length of at most 10 mm, has good decomposability in water and high wet strength. When subjected to water-jetting treatment, it becomes more bulky to have a soft feel.
摘要翻译： 用于清洁在厕所等中的片材的常规水解性纤维片材在水中的分解性和强度均不均衡。 所述水解性纤维片含有5〜100质量％的纤维长度为10毫米以下并且打浆度至多为700毫升的原纤化人造丝，任选地与长度至多为10的纤维 mm，在水中具有良好的分解性和较高的湿强度。 当进行喷水处理时，其感觉变得更加笨重。
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公开(公告)号：US06808598B1
公开(公告)日：2004-10-26
申请号：US09675890
申请日：2000-09-29
IPC分类号： D21H1308
CPC分类号： C11D17/049 , Y10T428/249963 , Y10T442/689 , Y10T442/69 , Y10T442/696
摘要： Herein provided is a water-decomposable fibrous sheet includes water-dispersible fibers having a fiber length of at most 20 mm, and a gel compound.
摘要翻译： 本发明提供一种水解性纤维片，其包含纤维长度为20mm以下的水分散性纤维和凝胶化合物。
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8.发明授权Water-decomposable non-woven fabric of regenerated cellulose fibers of different lengths 有权不同长度的再生纤维素纤维的水解性无纺布公开(公告)号：US06287419B1
公开(公告)日：2001-09-11
申请号：US09528776
申请日：2000-03-17
IPC分类号： D21H1308
CPC分类号： D21H13/08 , D04H1/425 , D04H1/4258 , D04H1/4382 , D04H1/49 , D21H17/07 , D21H17/14 , D21H17/26 , D21H17/37 , D21H25/005
摘要： There is disclosed a water-decomposable non-woven fabric including a first regenerated cellulose fiber having a fiber length of 3 mm or more to 5 mm or less, a second regenerated cellulose fiber having a fiber length of 6 mm or more to 10 mm or less, and a natural fiber having a fiber length of 10 mm or less, in which at least the second cellulose fiber is entangled with at least one of the first regenerated cellulose fiber, the second regenerated cellulose fiber and the natural fiber. This water-decomposable non-woven fabric is bulky with soft touch, and is also excellent in both water decomposability and wet strength.
摘要翻译： 公开了一种水解性无纺布，其包含纤维长度为3mm以上至5mm以下的第一再生纤维素纤维，纤维长度为6mm以上至10mm以下的第二再生纤维素纤维，或 纤维长度为10mm以下的天然纤维，其中至少第二纤维素纤维与第一再生纤维素纤维，第二再生纤维素纤维和天然纤维中的至少一种缠结。 这种水解性无纺布体积大，触感柔软，水分解性和湿强度均优异。
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9.发明授权
公开(公告)号：US6132557A
公开(公告)日：2000-10-17
申请号：US148663
申请日：1998-09-04
CPC分类号： D21H17/26
摘要： A water-disintegratable fibrous sheet comprising a web of fibers comprising pulp of hardwood and pulp of conifer, pulp of conifer having a fiber length longer than that of the pulp of hardwood, and a water-insoluble or water-swellable binder being contained in the web to bind the fibers, is disclosed. The fibrous sheet is excellent in water-disintegratability and has sufficient strength for withstanding practical use. Furthermore, since excellent water-disintegratability and strength can be obtained without using a water-soluble binder, a production process of the fibrous sheet can be made simple.
摘要翻译： 一种可水解的纤维片，其包含纤维网，所述纤维网包含硬木浆和针叶树纸浆，具有长于硬木纸浆的纤维长度的针叶树浆，和不溶于水或水可溶胀粘合剂的纤维网 公开了用于结合纤维的纤维网。 该纤维片的水分解性优异，具有足够的强度以耐受实际应用。 此外，由于在不使用水溶性粘合剂的情况下可以获得优异的水解性和强度，因此可以使纤维片材的制造方法简单。
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10.发明授权公开(公告)号：US07210205B2
公开(公告)日：2007-05-01
申请号：US10722967
申请日：2003-11-26
IPC分类号： D04H1/46
CPC分类号： D21H13/08 , Y10T442/3772 , Y10T442/614 , Y10T442/619 , Y10T442/659 , Y10T442/663 , Y10T442/664 , Y10T442/689
摘要： Provided is a water-decomposable fibrous sheet including fibers containing at least 3% by mass of fibrillated rayon. The fibrillated rayon has a degree of beating of at most 700 cc and has primary fibers of a predetermined fiber length and microfibers extending from the primary fibers. In the fibrous sheet, the microfibers are entangled with at least either of other microfibers and other fibers therein, and the surface friction resistance of the fibrous sheet in dry, measured according to the abrasion resistance test method of JIS P-8136, is at least three rubbing cycles.
摘要翻译： 提供了含有至少3质量％原纤化人造丝的纤维的水解性纤维片。 原纤化人造丝的打浆度至多为700cc，具有预定纤维长度的初级纤维和从主纤维延伸的微纤维。 在纤维片材中，微纤维与其中的至少任一种微纤维和其他纤维缠结，并且根据JIS P-8136的耐磨性试验方法测定的干燥纤维片材的表面摩擦阻力至少为 三次摩擦循环。
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