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CN101272900B - 稳固的纤维层压制品和制造该纤维层压制品的方法和装置 - Google Patents

稳固的纤维层压制品和制造该纤维层压制品的方法和装置 Download PDF

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CN101272900B
CN101272900B CN2006800358725A CN200680035872A CN101272900B CN 101272900 B CN101272900 B CN 101272900B CN 2006800358725 A CN2006800358725 A CN 2006800358725A CN 200680035872 A CN200680035872 A CN 200680035872A CN 101272900 B CN101272900 B CN 101272900B
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fibrous
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laminate
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CN101272900A (zh
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乌尔里希·明斯特曼
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Truetzschler Nonwovens GmbH
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Fleissner GmbH
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    • D—TEXTILES; PAPER
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    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
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    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
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    • B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/407—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties containing absorbing substances, e.g. activated carbon
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
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Abstract

本发明涉及一种纤维层压制品，包括两个承载纤维网和设置在这两个承载纤维网之间的有吸收能力的纤维材料，该纤维层压制品通过水针刺过程加固，本发明还涉及用于制造这种纤维层压制品的方法和装置。根据本发明的纤维层压制品具有防止分层的足够的稳固性并且具有较大的吸收能力。在此，透过纤维层压制品的面观察，存在具有在所述两个承载纤维网之间的有吸收能力的纤维材料的区域和在其中所述两个承载纤维网彼此直接接触的区域。通过该方式形成这样的区域，在该区域中构成外层的两个承载纤维网彼此直接连接。

Description

稳固的纤维层压制品和制造该纤维层压制品的方法和装置
技术领域
本发明涉及一种纤维层压制品，包括两个承载纤维网和在两个承载纤维网之间设置的有吸收能力的纤维材料，该纤维层压制品通过水针刺过程加固，本发明还涉及一种用于制造这种纤维层压制品的方法和装置。
背景技术
EP 1250482中公开了一种用于制造复合纤维网的方法，该复合纤维网由至少一个承载纤维网(例如纺粘的纤维网)和一个铺设在该承载纤维网上的木浆层构成，用于制造卫生产品，其中，在涂覆超级吸收能力的材料之前，纺粘的纤维网被干燥压实以用于预加固，然后加入木浆层并且二者一起通过水针刺过程被加固，然后被干燥。
此外，EP 1524350描述了一种层压制品，尤其是一种有吸收能力的清洁布，其由至少一个由单纤维构成的预加固的纺织的纤维网和至少一个由亲水纤维构成的纤维层构成，纤维层压制品被水力地加固，并且其中压花变形被使用到水力加固的纤维层压制品的表面中。在制造这样的抹布和清洁布时，由预加固的纺粘纤维网构成的两个外层和由浆柏气流成网(air-laid-pulp)构成的内层通过水射流加固来彼此连接。
在成本和强度方面，这种类型的产品提供了令人满意的特性，然而，在实践中，过小的厚度和吸收能力受到指责。此外，通过水射流处理的各个层的分层牢固性是不足的，从而特别是在被弄湿的情况下，这些层轻易地彼此再次分开。该缺点部分地通过在上述的EP 1524350中通过对使用的纤维网层进行预压花或者对加固的最终产品进行再压花来消除。
发明内容
本发明的目的在于提出一种纤维层压制品以及用于制造该纤维层压制品的方法和装置，该纤维层压制品具有防止分层的足够的稳固性和高的吸收能力。
该目的通过一种纤维层压制品以及用于制造该纤维层压制品的相应的方法和相应的装置实现。
根据本发明的纤维层压制品包括两个承载纤维网和在这两个承载纤维网之间设置的有吸收能力的纤维材料，并且该纤维层压制品通过水针刺过程加固，其中，透过纤维层压制品的面观察，存在具有在所述两个承载纤维网之间的有吸收能力的纤维材料的区域和在其中所述两个承载纤维网彼此直接接触的区域。
通过该方式形成这样的区域，在该区域中构成外层的两个承载纤维网彼此直接连接。由此，防止分层的稳固性被明显提高。试验已经证明了这一点，在所述试验中测量了在纤维层压制品的潮湿和干燥状态中防止分层所需要的力。在根据本发明的纤维层压制品中在潮湿状态中的稳固性相对于通常的纤维层压制品有特别显著的提高。有吸收能力的纤维材料分别在箱形隔开的区域中存在于两个承载纤维网之间。纤维层压制品的总体印象是绗缝的被子类型的具有嵌入物的结子化的纤维网制品。
在用于制造这样的纤维层压制品的方法中，有吸收能力的纤维材料处于两个承载纤维网之间。三个层，也就是两个承载纤维网和处于它们之间的有吸收能力的纤维材料通过水射流针刺在一个结构化的打孔的模板上被加固，其中在模板中的开孔直接被这样地安排，即通过水射流处理，在两个承载纤维层之间的有吸收能力的纤维材料在模板的开孔的方向上从模板的连接部的侧面冲走。为此，用于制造纤维层压制品的相应的装置配备有结构化的打孔的模板，该模板具有直径在0.5mm至20mm之间的开孔。相对于在多微孔的壳中的已知的开孔，这些开孔明显较大，这是因为这些开孔并不是设计用于排出任何液体而是用于容纳在两个承载纤维网之间的从连接部处冲走的有吸收能力的纤维材料。连接部的宽度有利地在1mm至5mm之间的范围内选择。
例如纺粘纤维网(Spinnvliese)或者由人造短纤维构成的层作为承载纤维网使用，该承载纤维网被干燥地加固，例如被压延。
有吸收能力的纤维材料被有利地构造成浆层，例如细薄的纱织物(Tissue)，或者构造成有超级吸收能力的层。
承载纤维网的单位面积质量通常在3g/cm2至18g/cm2之间，尤其在6g/cm2至10g/cm2之间。有吸收能力的纤维材料的平均的单位面积质量优选地在8g/cm2至100g/cm2之间，尤其是在20g/cm2至50g/cm2之间。
具有有吸收能力材料的区域优选地这样在纤维层压制品的面上分布，即这些区域为纤维层压制品提供结子状的结构。同样，也可以考虑使用任意几何形状的结构为纤维层压制品提供有吸引力的视觉设计，例如由多个结构形成的花纹。
结构化的模板被有利地构造成鼓形壳或者连续壳。
附图说明
接下来，根据附图对本发明进行示意性地说明。
具体实施方式
在鼓形壳的一部分上的穿过纤维层压制品的侧面的截面中，水射流10撞击到纤维层压制品上，该纤维层压制品包括上部的设计成纺粘纤维网的第一承载纤维网1、在该第一承载纤维网下面的有吸收能力的纤维材料2以及下部的同样设计成纺粘纤维网的第二承载纤维网3。透过纤维层压制品的面观察，在区域12中有吸收能力的纤维材料2被包围在上部的承载纤维网1和下部的承载纤维网3之间。在区域13中，上部的承载纤维网1和下部的承载纤维网3彼此直接靠置。该结构可这样描述，即从上方喷出的水射流10将有吸收能力的纤维材料2从模板4的连接部7的侧面离开而在模板4的开孔6的方向上冲走。也就是说，水射流10的冲击力在开孔6的方向上将有吸收能力的纤维材料2完全地从连接部7处挤走。支承筛网5位于结构化的模板4的下方，在支承筛网的下方是用于支承的鼓形壳11。支承筛网5通常可以被设计成多孔体或者也可以被设计成多微孔壳。除了模板4的开孔6之外，还示出了明显较小的毛细开孔8，这些毛细开孔用于排水并且为此具有在小于0.45mm的范围内的较小的直径。
参考标号
1   第一承载纤维网
2   有吸收能力的纤维材料
3   第二承载纤维网
4   结构化的模板
5   支承筛网
6   在模板中的开孔
7   在模板的开孔之间的连接部
8   毛细开孔
10  水射流
11  支承的鼓形壳
12  具有有吸收能力的纤维材料的区域
13  区域，在该区域中两个承载纤维网彼此直接接触。

Claims (12)

1.一种纤维层压制品，包括两个承载纤维网(1、3)和在这两个承载纤维网(1、3)之间设置的有吸收能力的纤维材料(2)，所述纤维层压制品通过水针刺过程加固，其特征在于，透过所述纤维层压制品的面观察存在第一区域(12)和第二区域(13)，所述第一区域(12)具有在所述两个承载纤维网(1、3)之间的有吸收能力的纤维材料(2)，在第二区域(13)中所述两个承载纤维网(1、3)彼此直接接触。
2.根据权利要求1所述的纤维层压制品，其特征在于，所述承载纤维网(1、3)互相不依赖地或者构造成一层纺粘纤维网或者构造成人造短纤维层。
3.根据权利要求1或2所述的纤维层压制品，其特征在于，所述有吸收能力的纤维材料(2)被构造成浆层或者有超级吸收能力的层。
4.根据权利要求3所述的纤维层压制品，其特征在于，所述承载纤维网(1、3)被干燥地预加固。
5.根据权利要求4所述的纤维层压制品，其特征在于，所述承载纤维网(1、3)的单位面积质量在3g/cm2至18g/cm2之间。
6.根据权利要求4所述的纤维层压制品，其特征在于，所述承载纤维网(1、3)的单位面积质量在6g/cm2至10g/cm2之间。
7.根据权利要求3所述的纤维层压制品，其特征在于，所述有吸收能力的纤维材料(2)的平均的单位面积质量在8g/cm2至100g/cm2之间。
8.根据权利要求3所述的纤维层压制品，其特征在于，所述有吸收能力的纤维材料(2)的平均的单位面积质量在20g/cm2至50g/cm2之间。
9.根据权利要求4所述的纤维层压制品，其特征在于，具有在所述两个承载纤维网(1、3)之间的有吸收能力的纤维材料(2)的第一区域(12)为所述纤维层压制品提供结子状的结构。
10.一种用于制造纤维层压制品的方法，所述纤维层压制品包括两个承载纤维网(1、3)和在这两个承载纤维网(1、3)之间设置的有吸收能力的纤维材料(2)，其中，所述纤维层压制品在结构化的打孔的模板(4)上通过水针刺过程加固，其特征在于，所述有吸收水力的纤维材料(2)通过水射流处理从所述模板(4)的连接部(7)的旁侧离开而在所述模板(4)的开孔(6)的方向上被冲走，其中，透过所述纤维层压制品的面观察存在第一区域(12)和第二区域(13)，所述第一区域(12)具有在所述两个承载纤维网(1、3)之间的有吸收能力的纤维材料(2)，在第二区域(13)中所述两个承载纤维网(1、3)彼此直接接触。
11.根据权利要求10所述的装置，其特征在于，所述打孔的模板(4)被构造成结构化的鼓形壳。
12.根据权利要求10所述的装置，其特征在于，所述打孔的模板(4)被构造成结构化的连续带。
CN2006800358725A 2005-10-10 2006-10-04 稳固的纤维层压制品和制造该纤维层压制品的方法和装置 Expired - Fee Related CN101272900B (zh)

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US20080241464A1 (en) 2008-10-02
US20110240219A1 (en) 2011-10-06
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