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CN116837537A - 一种立体木浆复合水刺无纺布的生产工艺 - Google Patents

一种立体木浆复合水刺无纺布的生产工艺 Download PDF

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CN116837537A
CN116837537A CN202310708390.7A CN202310708390A CN116837537A CN 116837537 A CN116837537 A CN 116837537A CN 202310708390 A CN202310708390 A CN 202310708390A CN 116837537 A CN116837537 A CN 116837537A
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wood pulp
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黄世钟
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Nanliu Enterprise Pinghu Co ltd
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    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
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    • 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
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Abstract

本发明所涉及的一种立体木浆复合水刺无纺布的生产工艺，包括基底纤维网的制备；木浆纤维网的制备；复合纤维网的制备；水刺加固；水刺成型、基布纤维网的一侧靠近水刺头，木浆纤维网的一侧靠近网眼网套；烘干；成卷。采用木浆纤维作为原料之一，可以有效提高其吸湿性能，并且在基底层1的表面形成凸点增大了摩擦，可以有效提高擦拭效果。通过对现有水刺设备的改造从而使得木浆纤维层位于网眼网套的一侧，从而在经过水刺头加固成型时，与网眼网套的配合下，在相邻网孔的公共交点的位置处形成凸点，增大了木浆纤维作为擦拭面时的摩擦力，再结合木浆纤维良好的吸湿性，提高了该无纺布的擦拭效果。

Description

一种立体木浆复合水刺无纺布的生产工艺
技术领域
本发明涉及一种立体木浆复合水刺无纺布的生产工艺，属于水刺无纺布生产技术领域。
背景技术
水刺法无纺布是一种通过物理或化学的方法对高分子聚合物、纤维状集合体等进行加工而形成的一种新型柔性材料，其综合了纺织、造纸、塑料和皮革四大柔性材料特点。水刺法无纺布的外观、性能最接近传统的纺织品，它具有良好的手感、柔软性、吸水性及低绒尘性。并且水刺无纺布可以作为一次性擦拭用布，市场在售的作为擦拭用的水刺无纺布，由于水刺无纺布手感柔软在擦拭顽固性污渍时的擦拭效果方面不佳。加大擦拭用布的摩擦性能，可以提高水刺无纺布的擦拭效果。但是现在技术中增大水刺无纺布的摩擦性能方面通常是复合一些粗旦的纤维，存在结构复杂、生产效率不高、成本较大的缺陷。
木浆纤维具有较强的吸湿性能和可降解性，是作为擦拭作布的常规原材料。如何采用常规所使用的纤维制备一种立体的木浆复合水刺无纺布，具有高摩擦性能，从而可以提高擦拭效果。
发明内容
本发明的目的是提供一种立体木浆复合水刺无纺布的生产工艺，采用木浆纤维作为原料之一，可以有效提高其吸湿性能，并且在基底层1的表面形成凸点增大了摩擦，可以有效提高擦拭效果。
为解决上述技术问题，本发明的目的是这样实现的：
本发明所涉及的一种立体木浆复合水刺无纺布的生产工艺，所述立体木浆复合无纺布包括基底层，所述基底层为均匀设置有网孔的水刺网孔布；相邻网孔的公共交点上设置有由木浆纤维所形成的凸点；
所述生产工艺包括如下步骤：
S1、基底纤维网的制备：将纺织纤维制成基底纤维网；所述基底纤维网经过水刺加固成型后形成基底层；
S2、木浆纤维网的制备：将木浆纤维制成木浆纤维网；所述木浆纤维网在经过水刺加固成型后形成凸点；
S3、复合纤维网的制备：将基布纤维网与木浆纤维网叠合、牵伸形成复合纤维网；
S4、水刺加固：采用水刺头对复合纤维网进行加固，所述木浆纤维网的一侧靠近水刺头；
S5、水刺成型：将经过水刺加固的复合纤维网按照其前进方向依次绕过第一导布辊、第三导布辊、第四导布辊、第五导布辊、网眼网套和第二导布辊，使得基布纤维网的一侧靠近水刺头，木浆纤维网的一侧靠近网眼网套；所述第一导布辊、第二导布辊分别位于网眼网套的两侧，所述第五导布辊与第二导布辊位于网眼网套的同侧；第三导布辊和第四导布辊位于网眼网套的上方；所述网眼网套与复合纤维网同向运动；
S6、烘干；
S7、成卷；
所述纺织纤维包括天然纤维素纤维、天然蛋白质纤维、再生纤维素纤维或化学合成纤维。
在上述方案的基础上并作为上述方案的优选方案：所述水刺网孔布中网孔的大小为22目。
在上述方案的基础上并作为上述方案的优选方案：所述网眼网套按照顺时针方向转动。
在上述方案的基础上并作为上述方案的优选方案：所述再生纤维素纤维为粘胶纤维或竹纤维。
在上述方案的基础上并作为上述方案的优选方案：所述纺织纤维是采用梳理或气流成网的方式制成基底纤维网。
本发明的有益效果是：本发明所涉及的一种立体木浆复合无纺布的生产工艺，采用木浆纤维作为原料之一，可以有效提高其吸湿性能，并且在基底层1的表面形成凸点增大了摩擦，可以有效提高擦拭效果。通过对现有水刺设备的改造从而使得木浆纤维层位于网眼网套的一侧，从而在经过水刺头加固成型时，与网眼网套的配合下，在相邻网孔的公共交点的位置处形成凸点，增大了木浆纤维作为擦拭面时的摩擦力，再结合木浆纤维良好的吸湿性，提高了该无纺布的擦拭效果。
附图说明
图1本发明所制备的立体木浆复合水刺无纺布的结构示意图；
图2是本发明中复合纤维水刺成型时的绕布路径；
图3是现有的网孔水刺无纺布水刺成型时的绕布路径。
图中标记说明如下：1-基底层；2-风孔；3-凸点；10-网眼网套；11-水刺头；12-第一导布辊；13-第二导布辊14-第三导布辊；15-第四导布辊；16-第五导布辊；20-复合纤维网。
具体实施方式
下面结合附图和具体实施例对本发明进一步说明。
结合图1和图2，以本发明作详细说明。本发明所涉及的一种立体木浆复合水刺无纺布的生产工艺，其中所述立体木浆复合无纺布包括基底层1，所述基底层1为均匀设置有网孔2的水刺网孔布；基底层1一侧相邻网孔2的公共交点上设置有由木浆纤维所形成的凸点3。在基底层1的一侧表面所形成的凸点3，可以增大在其作为擦拭用布时的摩擦力。
所述生产工艺包括如下步骤：
S1、基底纤维网的制备：将纺织纤维制成基底纤维网；所述基底纤维网经过水刺加固成型后形成基底层1。所述纺织纤维包括天然纤维素纤维、天然蛋白质纤维、再生纤维素纤维或化学合成纤维。若进一步增强该水刺无纺布的吸湿性能，则可以使用天然纤维素或再生纤维素纤维，具体的再生纤维素纤维可以是粘胶纤维、竹浆纤维、天丝纤维等。若需要该水刺无纺布具有良好的强力，则可以选择化学合成纤维，具体的可以选择涤纶纤维。具体的在本实施例中选择为常规的原材料粘胶纤维。
进一步的，所述纺织纤维是采用梳理或气流成网的方式制成基底纤维网。在本实施例中选择为梳理成网。
S2、木浆纤维网的制备：将木浆纤维制成木浆纤维网；所述木浆纤维网在经过水刺加固成型后形成凸点3。木浆纤维亦是纤维素纤维，其长度较短，具有良好的吸湿能力。
S3、复合纤维网的制备：将基布纤维网与木浆纤维网叠合、牵伸形成复合纤维网。
S4、水刺加固：采用水刺头对复合纤维网进行加固，所述木浆纤维网的一侧靠近水刺头。水刺加固的作用是将水刺头所喷射出的高速水流作用于复合纤维网，从而纤维可以相互穿插，从而使得纤维之间能够相互缠结固定，从而形成具有一定强力的纤维网。
S5、水刺成型：将经过水刺加固的复合纤维网20按照其前进方向依次绕过第一导布辊12、第三导布辊14、第四导布辊15、第五导布辊16、网眼网套10和第二导布辊13，使得基布纤维网的一侧靠近水刺头11，木浆纤维网的一侧靠近网眼网套10；所述第一导布辊12、第二导布辊13分别位于网眼网套10的两侧，所述第五导布辊16与第二导布辊13位于网眼网套10的同侧；第三导布辊14和第四导布辊15位于网眼网套10的上方；所述网眼网套10与复合纤维网20同向运动。
正常生产网孔水刺无纺布会在最后一道水刺头的位置处，设置网孔网套，纤维网在水刺头高速水流的冲击和网孔网套的配合下，会在水刺无纺布上形成网孔。在基底纤维网与木浆纤维网所形成的复合纤维网，在经过水刺加固在时，通过是木浆纤维网的一侧靠近水刺头。这样的设置可以使得在前面几道水刺加固工序中，木浆纤维在高速水流的冲击下，不会有较大的损失量。
网孔网套与水刺头高压水流相配合会使得水刺无纺布上形成网孔。这是由于网孔网套表面具有凸起，在高压水流的冲击下，凸起位置处的纤维会向凸起的周围滑移，从而在凸起位置处形成网孔。而在本发明中，使得基底纤维网与木浆纤维网所形成的复合纤维网，在经过水刺加固在时木浆纤维网位于靠近水刺头的一侧，在水刺无纺布网孔水刺成型时，通过多个导布辊的设置，使得基底纤维网靠近水刺头的一侧，木浆纤维网靠近网孔网套的一侧，此时，需要调整网孔网套的转动方向，具体要求按照顺时针方向转动，与现有技术中网孔网套的转动方向相反。该复合纤维网在经地水刺头高速水流的冲击下，木浆纤维网中的纤维网会向网孔网套中形成网眼模具之间的位置靠拢，由于木浆纤维长度较短，木浆纤维更容易在网眼模具之间的位置形成凸点。从而在两个相邻网孔的公共顶点的位置处形成凸点，使得所制备的该立体木浆复合水刺无纺布的一侧具有木浆纤维所形成的凸点，具有高摩擦和高吸湿的性能。
在本实施例中，所述水刺网孔布中网孔2的大小为22目。
S6、烘干；
S7、成卷。
本发明所涉及的一种立体木浆复合水刺无纺布的生产工艺，仅仅通过在最后一道成型水刺的位置加装多多个导布辊，可以改变与网孔网套相接触的纤维网，从而使得可以一次成型在线提花，形成一侧具有凸点的立体水刺无纺布，具有高摩擦的性能。所形成的立体结构的水刺无纺布同样克重时，其厚度能够达到普通网眼水刺无纺布的2倍，厚度的增加可以吸收更多的水分，吸水倍率可以提高50％左右，具有高吸湿性。
以本发明所制备的60克面密度的立体结构的水刺复合无纺布，与同样60克面密度普通的粘胶网孔水刺无纺布相比，其吸水倍率经测试提高了53.4％。
以上详细描述了本发明的较佳具体实施例。应当理解，本领域的普通技术人员无需创造性劳动就可以根据本发明的构思做出诸多修改和变化。因此，凡本技术领域中技术人员依本发明的构思在现有技术的基础上通过逻辑分析、推理或者有限的实验可以得到的技术方案，皆应在由权利要求书所确定的保护范围内。

Claims (5)

1.一种立体木浆复合水刺无纺布的生产工艺，其特征在于，
所述立体木浆复合无纺布包括基底层(1)，所述基底层(1)为均匀设置有网孔(2)的水刺网孔布；相邻网孔(2)的公共交点上设置有由木浆纤维所形成的凸点(3)；
所述生产工艺包括如下步骤：
S1、基底纤维网的制备：将纺织纤维制成基底纤维网；所述基底纤维网经过水刺加固成型后形成基底层(1)；
S2、木浆纤维网的制备：将木浆纤维制成木浆纤维网；所述木浆纤维网在经过水刺加固成型后形成凸点(3)；
S3、复合纤维网的制备：将基布纤维网与木浆纤维网叠合、牵伸形成复合纤维网；
S4、水刺加固：采用水刺头对复合纤维网进行加固，所述木浆纤维网的一侧靠近水刺头；
S5、水刺成型：将经过水刺加固的复合纤维网(20)按照其前进方向依次绕过第一导布辊(12)、第三导布辊(14)、第四导布辊(15)、第五导布辊(16)、网眼网套(10)和第二导布辊(13)，使得基布纤维网的一侧靠近水刺头(11)，木浆纤维网的一侧靠近网眼网套(10)；所述第一导布辊(12)、第二导布辊(13)分别位于网眼网套(10)的两侧，所述第五导布辊(16)与第二导布辊(13)位于网眼网套(10)的同侧；第三导布辊(14)和第四导布辊(15)位于网眼网套(10)的上方；所述网眼网套(10)与复合纤维网(20)同向运动；
S6、烘干；
S7、成卷；
所述纺织纤维包括天然纤维素纤维、天然蛋白质纤维、再生纤维素纤维或化学合成纤维。
2.根据权利要求1所述的一种立体木浆复合水刺无纺布的生产工艺，其特征在于，所述水刺网孔布中网孔(2)的大小为22目。
3.根据权利要求1所述的一种立体木浆复合水刺无纺布的生产工艺，其特征在于，所述网眼网套(10)按照顺时针方向转动。
4.根据权利要求1所述的一种立体木浆复合水刺无纺布的生产工艺，其特征在于，所述再生纤维素纤维为粘胶纤维或竹纤维。
5.根据权利要求1所述的一种立体木浆复合水刺无纺布的生产工艺，其特征在于，所述纺织纤维是采用梳理或气流成网的方式制成基底纤维网。
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