CN1460140A - 复合无纺织物 - Google Patents

复合无纺织物 Download PDF

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CN1460140A
CN1460140A CN02800791A CN02800791A CN1460140A CN 1460140 A CN1460140 A CN 1460140A CN 02800791 A CN02800791 A CN 02800791A CN 02800791 A CN02800791 A CN 02800791A CN 1460140 A CN1460140 A CN 1460140A
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nonwoven fabric
net
plastic wire
composite nonwoven
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CN1308522C (zh
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R·A·穆迪三世
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Avintiv Specialty Materials Inc
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Polymer Group Inc
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    • 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
    • D04H1/492—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
    • D04H1/495—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 for formation of patterns, e.g. drilling or rearrangement
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D31/00—Materials specially adapted for outerwear
    • A41D31/02—Layered materials
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/12—Surgeons' or patients' gowns or dresses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/689—Hydroentangled nonwoven fabric

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Abstract

一种复合无纺织物由包括短聚酯纤维的合成纤维网(10)和包括木浆纤维的纤维素纤维网(11)组成。在各网结合成一体之前，合成纤维网须经水刺以形成局部缠结网，然后，将纤维素纤维网与局部缠结网并置，以便网的水刺和结合。预缠结合成纤维网起到减少纤维素纤维网与合成纤维网结合所需要的能量输入的作用，并且也起到减少水刺和结合纤维网期间纤维素纤维损失的作用。

Description

复合无纺织物
技术领域
本发明涉及一种水刺(射流喷网)无纺织物，尤其是涉及一种由合成纤维网和纤维素纤维网构成的水刺复合无纺织物，其纤维网是一体的以便纤维素纤维和合成纤维组织相结合。这样合成的织物具有很高的强度和良好的吸水性，其特别适用于做医疗大褂和类似的应用。
背景技术
由于无纺织物具有多用性，人们已经发现它的广泛用途，其多用性是通过以可选择方式设计这种织物物理特性而获得的。由于构成织物的纤维或单纤维可有效结合为一体并且能按照特定用途要求进行定位，所以通过水刺法(射流喷网法)形成的无纺织物更有优势。通过水刺不同种类的纤维混合物可以很容易结合在一起，以至于能够制造具有特选物理性能的织物。
到目前为止，人们已经知道了由合成纤维和纤维素纤维混合制成的无纺织物，其表现出由合成纤维和纤维素纤维组成的理想物理特性。一般，合成纤维能够制成织物，以至于获得的织物具有良好的耐蚀性和抗拉强度。纤维素纤维的使用使这种织物具有了理想的吸水性和柔软性。
这里通过参考而结合的Oathout申请的专利号为US5,459,912披露了一种由合成纤维和木浆制成的有图案射流喷网织物，所用木浆据说具有很好吸水性和较少颗粒数。因而这种织物适合于在要求有这些特性的地方使用，比如用作洁净室内的拖布，食品服务业的抹布和其它类似用途。但是，该专利旨在设计干燥的状态下将木浆纤维和合成纤维相结合，随后的水刺仅仅处理其一侧。这导致了严重损失与合成纤维松散地结合在一起的木浆纤维材料，因而降低了加工过程的效率。
因为由合成纤维和纤维素纤维制成的复合无纺织物材料具有组合的理想物理特性，本发明旨在提供一种制造这种复合无纺织物的方法，该方法有利于在水刺法合成织物期间，通过减少损失到滤液中的纤维素纤维而提高织物形成的效率。
发明内容
本发明旨在提供一种制造复合无纺织物的方法，所述方法需要短合成纤维网和纤维素纤维网(典型的是木浆)结合成一体。为了降低在水刺法合成织物期间的纤维素纤维损失，本发明提出：合成纤维网首先受到水刺，然后通过水刺将纤维素纤维材料结合成局部缠结的合成纤维网中。已经发现这种制造工艺按要求减少在水刺过程中损失到水刺所使用的滤液中的纤维素纤维。合成的织物具有通过使用合成纤维和纤维素纤维而得到的合乎要求的混合特性，同时本发明的制造工艺利于高效率地形成织物并且所需成本较低。
按照本发明，一种制造复合无纺织物的方法包括提供含有短聚合纤维的合成纤维网步骤。目前，由于制造和加工聚酯纤(PET)维较经济，因而优选使用它。本工艺过程还包括水刺合成纤维以形成局部缠结网状结构。在使用相关的纤维素纤维材料之前，这种局部水刺起到合成短合成纤维的作用。
通过将纤维素纤维网与局部缠结合成纤维网并置来使用本织物中的纤维素纤维材料。然后水刺并置的缠结网，并且随后干燥形成复合无纺织物。特别是，在引入纤维素纤维材料之前，当通过水刺将合成纤维网与纤维素纤维网结结合成一体时，预缠结合成纤维网能理想地减少纤维素材料的损失。预缠结合成纤维网可以起到过滤纤维素纤维材料的作用，以便最大程度地减少损失在滤液中。此外，预缠结合成纤维网允许使用供合成纤维网与纤维素纤维网缠结的低能量输入，同时它也有助于减少纤维素纤维的损失。使用供缠结各组成网的低能量输入的能力允许保持复合无纺织物的固有厚度，并因随着高压水刺无纺织物，其隙间体积的增大而导致吸水能力的提高。
从下面的详细描述、附图和附加的权利要求中可以清楚理解本发明的其它特征和优点。
附图说明
图1是制造体现本发明原理复合无纺织网的装置的示意图。
具体实施方式
本发明容许有不同形式的具体实施方式，图中所示的及下文中将要描述的是目前的优选实施例，目前公开的内容将被看作是本发明的一个例子，并且其目的不在于将本发明限定在所描述的具体实施例范围内。
参照附图1，该图示意性示出实施生产复合无纺织物的方法的装置，该方法体现了本发明原理。本复合织物最好由并置的合成纤维网和纤维素纤维网组成，该并置的合成纤维网和纤维素纤维网须经射向它的高压液体流的水刺，最好先对着并置网的一个可膨胀(expansive)表面，此后对着并置网的相对可膨胀表面。在本发明范围内每一合成纤维网和纤维素纤维网均可以具有多种形式，因此容许不同类型的合成纤维和/或不同类型的纤维素纤维结合成一体。每一合成纤维网和纤维素纤维网可由同性质组成成分的网构成，或者作为可选择的方案，由不同组成成分的混合物构成也在本发明的范围内。
目前，在优先使用的本发明中，合成纤维具有短聚酯纤维的形式，而纤维素纤维具有木浆纤维的形式，所述木浆纤维采用湿法定向纤维网形式，所述湿法定向纤维网通常指的是“薄纸”，随后通过水刺将其与合成纤维网相结合。特别的是，本发明设计出在水刺纤维素纤维网之前对合成纤维网进行水刺以形成局部缠结网。已经发现这种形式的组成物能减少在水刺合成纤维网期间纤维素纤维的损失。此外，已经发现预缠结合成纤维网容许在其与纤维素纤维网结合成一体期间施加较低的缠结压力，这也减少了在水刺期间损失到滤液中的纤维素纤维。
如图1所示，本发明设计出的制造本发明复合织物所采用的合成纤维网包括能与气流法合成纤维网11相结合的已梳的或平行的短纤维网10，能够适当地在气流成网装置12上形成气流合成法纤维网。本发明设计出通过水刺将已梳网和气流法成网并置并且结合为一体以形成局部缠结的合成纤维网。最后，引导已梳网和气流法网绕过缠结滚筒14，同时将高压液体流射向并置的网以实现结合和局部缠结。通过二次缠结滚筒16的作用能进一步实现网的局部缠结，此后，引导局部缠结合成纤维网沿着缠结带18。
在加工工序中的这个阶段，将纤维素纤维网19和局部缠结的合成纤维网并置以形成本复合无纺织物。纤维素纤维网最好具有湿法定向纤维网的形式，但是具有其它形式的纤维素纤维材料也落入本发明的范围内。并置的合成纤维网和纤维素纤维网须受到低压液体流作用下的水刺，所述低压液体流由位于缠结带18上方合适的歧管20产生。
按照本发明的优选实施方式，来自歧管20的低压液体流射向并置网的可膨胀表面。此后，引导网饶过相对的缠结滚筒22，同时低压液体流射向网的相对可膨胀表面。转移结合成一体的网到脱水槽24上，然后在26处干燥并缠绕以供贮存和运输。
附表中给出的数据比较了本工艺过程中能量输入和依照US5,459,912教导的能量输入。该数据表明，折算成英制马力小时/磅能量输入的工艺过程是相似的。但是，当比较两个不同过程的撞击能(Hp-hr-lbf/lbm；英制马力-小时/磅力/磅质量；参见专利号为5,549,912美国专利第6栏3-25行)时，很明显，本发明过程耗费了较少的撞击能，除此之外，该过程中液体的流速稍大以实现织物的理想结合，同时还减少了加工中纤维素纤维的损失。由于高流速补偿了需要的高撞击能，因此本发明中较低的撞击能致使纤维断裂更少。然而，输入足够能量使合成的无纺织物具有所要求的物理性能，如柔软性，耐磨性和其它合乎要求的使用性能。
实施例
图1示出了该装置，使用0.55盎司每平方码的气流合成纤维生产出体现本发明原理的无纺织物，所述气流法合成纤维是依照通过参考而结合的US4,475,271和US5,007,inch137公开的方法生产出来的。这种气流法合成纤维网与0.37盎司每平方码的标准已梳网相结合以形成重达1.0盎司每平方码和由100％聚酯短纤维组成的合成纤维网。这些网的原料：310P聚酯短纤维，1.5但尼尔×1.5英寸(由Wellman Inc.生产)是市场上可以买得到的。
如图1所示，在滚筒14和16上，按照附表中表明的工艺条件，预缠结气流法合成纤维网和已梳合成纤维网。然后，将局部缠结的合成网转移到缠结带18上。纤维素纤维网具有市场上可以买得到的H431XL，31#每令纸(商业上可从Crown Vantage得到)形式，由此按照本发明的优选实施方式纤维素纤维网包含了木浆纤维。将纤维素纤维网并置在局部缠结的合成纤维网上部，依照所附的工艺数据，在缠结带上缠结并置网。
然后，引导结合成一体的合成纤维网和纤维素纤维网绕过缠结滚筒22，所述缠结滚筒表层缠绕着22×23的扁平铜经线(可从Albany International买到)。至此，低压液体流射向并置网的相对可膨胀表面。喷水量孔按照附表是的数据喷射液体流。
接着将已结合成一体的网转移到脱水带24上，然后在干燥器26上干燥。在本实施例中不使用图1所示的轧辊28，目的是保持最终的复合无纺织物具有较强的吸水能力。在26上干燥后缠绕以形成织物。
可以这样理解，按照本发明形成的织物不须经水刺处理。所述水刺处理是当织物形成时将液压喷水量孔对着织物的两个可膨胀的表面。此外，图示轧辊可用来提高织物密度，并且可降低干燥之前的网含水量。
据以上所述，可以作出各种改进和改变而不背离本发明新颖性构思的精神和范围。可以理解，本发明不限于这里公开的特别实施例。公开的是通过附加权利要求覆盖所有落入该权利要求范围内的改进。
                                        总图1数据：                                   流量(GPM)Hp·hr/lb
                                        1034.1261  0.2502
                                                                        HP·hr-bt/lbrn
                                                            HP·Hr/lb   ExI
                                         预缠结     0.0514  0.0187      0.26705818
                                         平底板     0.5311  0.1223      3.041
                                         缝滚筒     0.4580  0.1078      1.100
                                                    1.0000  0.2302      4.231
例100VPM         110预计宽度(inches)                                         每纺织箱需求量2.3OZ/YD2      Uc/hr  2835.416657                                   喷孔             流量   压力    每孔      每英尺     纺织箱  总      所需马
      喷孔    压力                       Dupork’s       ％能量                  系数           的流量    孔的       的长度  流量    达功率
                                         IxEHp·hr-                                                       序号
   (Inches)   (psl)  #条码 流量 HP·hr/lb lb/brn                 (Inches)        C      (psl)  (gprn)               (Inches) (gpm) (最大值＝300)
                                          (修正2.4
                                          以匹配共
                                          专利值)滚筒1   0.005    1028      1    31.7887   0.0020    0.0026       10.83％    0.005    0.7    102.9   0.005    50           120     32       2滚筒1   0.005    147       1    38.0087   0.0034    0.0082       18.18％    0.005    0.7    147     0.008    50           120     38       4滚筒1   0.005    147       1    38.0087   0.0011    0.0082       8.06％     0.005    0.7    147     0.008    50           120     38       4滚筒2   0.005    514.5     1    81.2511   0.0084    0.1082       34.12％    0.005    0.803  514.5   0.010    50           120     81       22滚筒2   0.005    588       1    85.4802   0.0078    0.1423       11.08％    0.005    0.803  588     0.011    50           120     85       28
    Flatbad  Subtctal       202.7447  0.0187    0.2871       100.00％平底板缝0.005    1028      1    31.7887   0.0001    0.0028       0.54％     0.005    0.7    1029    0.005    50           120     32       2平底板缝0.005    294       3    138.9044  0.0083    0.0787       0.77％     0.005    0.803  294     0.008    50           120     46       9平底板缝0.005    808.5     3    230.3488  0.0378    0.9885       30.89％    0.005    0.803  808.6   0.013    50           120     77       43平底板缝0.005    808.5.    3    230.3458  0.0378    0.9885       30.89％    0.005    0.803  808.6   0.013    50           120     77       43平底板缝0.005    808.5     3    881.7438  0.0378    0.9885       30.89％    0.005    0.803  808.6   0.013    50           120     77       43
     Backskls  Subtotal     881.7438  0.1223    3.0408       100.00％滚筒3   0.005    1020      1    88.1012   0.0540    0.5960       50.00％    0.005    0.8    1029    0.014    50           120     88       61滚筒3   0.005    1020      1    88.1012   0.0540    0.5960       50.00％    0.005    0.8    1029    0.014    50           120     88       61
     Backskls  Subtotal     172.3832  0.1078    1.1900       100.00％
3条箱的流量1条每英  P*Ri/P2  A*R2 orf a*cfm  w*bwvyd2 z*whetlh yets S*ypm I*PA  E*PO/wzs
           尺流量
                        使用系数          使用系数                           lbf    fl·bt/lbrn
             GPM
883,9812888 0.785     148117.8  0.000573  4.251184  314.7750       3.06      100  0.485      1434.127
114,0201825 0.960     21188     0.000573  5.081113  1.153780       3.06      100  12.122     2448.728
            0.317     21188     0.000573  5.081113  0.143760       3.06      100  12.122     2448.728
            0.510     74088     0.000483  5.188847  0.143760       3.06      100  38.840     13812.173
            0.540     84872     0.000483  5.784032  0.143760       3.06      100  41.770     15878.238
                                          27.104808
            0.285     14017.0  0.000573   4.251184  0.143760       3.06      100  8.488      1434.127
            0.388     42338    0.000483   18.570107 0.143760       3.06      100  20.885     17888.894
            0.840     118424   0.000483   30.785038 0.143760       3.06      100  57.434     11825.382
            0.840     118424   0.000483   30.785038 0.143760       3.06      100  57.434     11825.382
            0.840     118424   0.000483   30.785083 0.143760       3.06      100  57.434     11825.382
258,8734389 2.155     148178   0.000481   11.522882 0.143760       3.06      100  72.734     38872.383
258,8734498 2.155     148178   0.000481   11.522882 0.143760       3.06      100  72.734     38872.383杜邦数据：                                         总
                                               流量(GPM)HP·hr/lb
                                                   8.05   0.24
                                                                              HP·hr-bt/lbrn
                                                                   HP·Hr/lb  ExI
                                               平底板  55.08％     0.132      5.009
                                               缝滚筒  43.81％     0.104      2105
                                               总值    100.00％    0.238      7.1111号和3号杜邦专利实施例
185VPM            120预计宽度(inches)                         每纺织箱需求量
1.68OZ/YD2     Lb/hrs        3885
                                                                          喷孔     流量    压力    每孔   每英尺    纺织箱     总     所需马
     喷孔       压力                                DuPont’s     ％能量           系数            流量   孔的      的长度     流量   达功率
                                                   IxEHp·hr-
     (Inches)  (psl)    #码条    流量    HP·hr/lb  lb/brn               (Inches)  C      (psl)   (gprn)  序号     (Inches)   (gprn)
                                                 (修正2.4
                                                 以匹配共
                                                 专利值)平底板缝 0.005      50 clculation  0         0        0               0.00％  0.005             50    0.000    40        120         0       0平底板缝 0.005      100     1      25.0779   0.0011   0.0010          0.85％  0.005    0.7      100   0.005    40        120         25      2平底板缝 0.005      300     1      37.4172   0.0017   0.0120          1.27％  0.005    0.603    300   0.008    40        120         37      5平底板缝 0.005      600     1      48.3054   0.0036   0.0428          2.74％  0.005    0.603    500   0.010    40        120         48      17平底板缝 0.005      800     1      61.1021   0.0073   0.1390          5.54％  0.005    0.606    800   0.013    40        120         81      34平底板缝 0.005      1400    1      60.8305   0.0170   0.5633          12.83％ 0.005    0.603    1400  0.017    40        120         81      78平底板缝 0.005      1500    1      61.8531   0.0248   1.0558          18.71％ 0.005    0.603    1500  0.019    40        120         92      113平底板缝 0.005      1800    1      61.8531   0.0248   1.0558          18.71％ 0.005    0.603    1800  0.019    40        120         92      113平底板缝 0.005      1500    1      61.8513   0.0248   1.0558          18.71％ 0.005    0.603    1800  0.019    40        120         92      113平底板缝 0.005      1800    1      61.8513   0.0248   1.0558          18.71％ 0.005    0.603    1800  0.019    40        120         92      113平底板缝 0.05       300     1      60.1259   0.0025   0.0264          1.81％  0.005    0.603    300   0.006    60        120         58      12
       Flatbad  Subtctal       675.4718  0.1323   5.0088          100.00％滚筒    0.005100    300            37.2311   0.0739   0.0118          4.85％  0.005    0.6      300   0.005    40        120         37      8滚筒    0.005       1800    1      91.1971   0.0248   1.0454          71.38％ 0.005    0.6      1800  0.018    40        120         91      113滚筒    0.005       1800    1      91.1971   0.0248   1.0454          23.78％ 0.005    0.6      1800  0.018    40        120         91      113
    Backskls  Subtotal         218.8254  0.1036   2.1026          100.00％0.005    0.6      1800  0.0183条箱的流量   一条每       P*R1/Pl  A*R2 orf  a*cfm    w*bwvyd2 z*whetlh yets S*ypm I*PA        E*PO/wzs
          英尺流量                使用系数使用系数
                                                                                    lbf     fl·lbf/lbrn
          OPM0             0              7200        0             0               0.105       3.333333333      185      0              075.23380916   0.82894841     14400       0.00045814    3.35258529      0.105       3.333333333      185      8.58715        745.81205
          0.31181029     43200       0.00036485    5.0023042       0.105       3.333333333      185      17.0488205     3337.44485
          0.40254536     72000       0.00009485    6.46794895      0.105       3.333333333      185      28.4148875     7181.03783
          0.50918408     115200      0.00039485    8.1872855       0.105       3.333333333      185      45.453765      14537.3981
          0.67358722     201800      0.00039485    10.8082121      0.105       3.333333333      185      78.581528      33545.2875
          0.76377812     259200      0.00039485    12.2530828      0.105       3.333333333      185      102.283523     48050.2187
          0.78377812     258200      0.00039485    12.2530826      0.105       3.333333333      185      102.283523     49050.2187
          0.78377812     250200      0.00039485    12.2530828      0.105       3.333333333      185      102.283523     49050.2187
          0.78377812     250200      0.00039485    12.2530828      0.105       3.333333333      185      102.283523     49050.2187
          0.48771544     42200       0.00058185    7.50345820      0.105       3.333333333      185      25.5733805     5005.18805111.69324     0.8300777      43200       0.00038265    4.87741711      0.105       3.333333333      185      15.9841        3320.84045273.5914458   2.27992871     258200      0.00008265    12.1921322      0.105       3.333333333      185      101.7645       48808.1877
          0.759976624    268200      0.0003865     12.1921322      0.105       3.333333333      185      101.7645       48808.1877

Claims (10)

1.一种生产复合无纺织物的方法，其包括以下步骤：
提供含有短聚酯纤维的合成纤维网；
水刺所述合成纤维网以形成局部缠结网；
将纤维素纤维网与所述局部缠结网并置；
水刺所述并置的局部缠结网和纤维素纤维网；及
干燥所述水刺的网以形成所述复合无纺织物。
2.根据权利要求1所述的一种生产复合无纺织物的方法，
其特征在于：
所述提供所述合成纤维网的步骤包括提供气流法合成纤维网和已梳合成纤维网，所述气流法合成纤维网和已梳合成纤维网已经水刺而形成所述局部缠结网。
3.根据权利要求1所述的一种生产复合无纺织物的方法，
其特征在于：
所述合成纤维网包括短聚酯纤维，并且所述纤维素纤维网包括木浆纤维。
4.根据权利要求1所述的一种生产复合无纺织物的方法，
其特征在于：
水刺所述并置网的所述步骤包括先将低压液体流射向所述并置网的第一可膨胀表面，此后将低压液体流射向所述并置网的相对可膨胀表面。
5.一种生产复合无纺织物的方法，其包括以下步骤：
通过将气流法短聚酯纤维网和已梳短聚酯纤维网并置而提供合成纤维网；
通过水刺所述并置的气流法网和已梳网水刺所述合成纤维网以形成局部缠结的合成纤维网；
将包括木浆的纸网与所述局部缠结的网并置，所述纸网包括木浆；
水刺所述并置的局部缠结网和所述纸网以将所述纸网的木浆纤维与所述局部缠结网的短聚酯纤维结合成一体；及
干燥所述水刺的网以形成所述复合无纺织物。
6.根据权利要求5所述的一种生产复合无纺织物的方法，
其特征在于：
水刺所述并置的局部缠结网和纸网的所属步骤包括：先将高压液体流射向并置网的第一可膨胀表面，然后将高压液体流射向所述并置网的相对可膨胀表面。
7.根据权利要求5所述的一种生产复合无纺织物的方法，
其特征在于：
所述气流法网包括100％聚酯纤维。
8.根据权利要求5所述的一种生产复合无纺织物的方法，
其特征在于：
所述已梳网包括100％聚酯纤维。
9.一种根据权利要求1所述方法制成的复合无纺织物。
10.一种根据权利要求5所述方法制成的复合无纺织物
CNB028007913A 2001-03-23 2002-03-14 复合无纺织物的生产方法 Expired - Fee Related CN1308522C (zh)

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CA2409662A1 (en) 2002-10-03
US6516502B1 (en) 2003-02-11
CN1308522C (zh) 2007-04-04
AU2002255744B9 (en) 2002-10-08
WO2002077348A1 (en) 2002-10-03
JP2004519565A (ja) 2004-07-02
CA2409662C (en) 2010-02-02
AU2002255744B2 (en) 2007-01-04
EP1303661A1 (en) 2003-04-23

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