CN107278146A - 无纺织物及用于形成无纺织物的方法 - Google Patents
无纺织物及用于形成无纺织物的方法 Download PDFInfo
- Publication number
- CN107278146A CN107278146A CN201580077070.XA CN201580077070A CN107278146A CN 107278146 A CN107278146 A CN 107278146A CN 201580077070 A CN201580077070 A CN 201580077070A CN 107278146 A CN107278146 A CN 107278146A
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- Prior art keywords
- adhesive
- bonded fabric
- nonwoven web
- bonded
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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Abstract
本发明涉及一种无纺织物,该无纺织物包括多个含聚丙烯的纤维,该多个含聚丙烯的纤维形成无纺网,该纤维还含有增滑剂,该网具有设置有交替图案的侧,该交替图案由个性化的粘合区域组成,该粘合区域的形式为排列在网的横向方向中的棒条,个性化的粘合区域的交替图案限定非粘合区域,网的定量在5‑25 g/m2的范围内,粘合区域的表面在该侧的总表面的5‑20%的范围内,非粘合区域的表面在该侧的总表面的80‑95%的范围内。本发明还涉及用于形成该无纺织物的方法。
Description
技术领域
本发明涉及无纺织物以及用于形成该无纺织物的方法。
背景技术
无纺织物被广泛应用于个人护理或卫生保健的一次性吸收制品中。在这样的制品中,柔软度的外观是非常重要的,因为它让佩戴者或护理者放心,使用该制品是舒适的。
在WO 2012/024576 A1中,描述一种适于佩戴在穿戴者的下身的吸收制品,旨在提高吸收制品的感知柔软度。在所述文件中描述的吸收制品包括液体可渗透顶片、液体不可渗透背片以及配置在顶片和背片之间的吸收芯材。液体不可渗透背片包括液体不可渗透的面向穿戴者的层、蒸汽可渗透的聚合物膜以及无纺网的面向衣服的层的层压片。所述无纺网以钻石的形状被压印有粘合印模的第一图案,该第一图案限定无界凸起区域的第二图案,该无界凸起区域也具有钻石的形状。在这方面,参考图3A至图4B。在用于生产无纺网的方法中,需要水刺法(hydroentangling)或水饱和法(hydroengorgement)来增加蓬松度和/或厚度、提高视觉和触觉柔软度信号。然而,这样的水刺法或水饱和法的缺点在于,这些方法大大增加吸收制品的生产成本。而且,所述吸收制品的柔软度还存在改进空间。
WO 2006/048173描述一种用于机械闭合系统的成圈的无纺材料。该织物与粘合印模的第一图案热粘合,该粘合印模形成较大的非粘合凸起区域的第二图案和较小的非粘合区域的第三图案。该印模是三叶形几何形状和线形几何形状的组合。这对织物的机械稳定性产生积极影响,但是也存在限制悬垂性(柔软度感知性的重要特征)的缺点。
本发明的目的在于提供适合用于吸收制品的无纺织物,该吸收制品具有粘合区域和非粘合区域的简化图案,该简化图案能够更容易地被生产,并同时显示出改善的柔软度。
本发明的进一步目的在于提供具有改善的柔软度、充足的剪切强度和高抗张强度的尺寸稳定的无纺织物。
本发明的再一个目的在于无纺织物能够作为湿擦拭巾和干擦拭巾使用。
发明内容
现已发现,当使用粘合区域和非粘合区域的特定图案以及额外含有增滑剂的含聚丙烯的纤维的组合时,这是能够成立的。
因此,本发明涉及一种无纺织物,该无纺织物包括多个含聚丙烯的纤维,该多个含聚丙烯的纤维形成无纺网,该纤维还含有增滑剂,该网具有设置有交替图案的侧,该交替图案由个性化的粘合区域组成,该个性化的粘合区域的形式为排列在网的横向方向中的棒条,个性化的粘合区域的交替图案限定非粘合区域,该网的定量在5-25 g/m2的范围内,粘合区域的表面在该侧的总表面的5-20%的范围内,非粘合区域的表面在该侧的总表面的80-95%的范围内。
本发明的主要优点在于,事实上相对简单地制造无纺织物,而且该无纺织物显示出令人意外的高感知柔软度。另外的主要优点在于,本无纺织物显示出令人意外的高感知柔软度并同时显示出高抗张强度。这是令人意外的,因为通常认为热粘合的无纺织物的柔软度和尺寸稳定性(即高抗张强度)是彼此互相排斥的特征。
具体实施方式
根据本发明,无纺织物包括多个含聚丙烯的纤维,该多个含聚丙烯的纤维形成无纺网,该无纺网包括设置有交替图案的侧,该交替图案由个性化的粘合区域组成,该个性化的粘合区域的形式为排列在网的横向方向中的棒条。由个性化的粘合区域组成的交替图案限定非粘合区域的第二图案,网的定量在5-25 g/m2的范围内,粘合区域的表面在该侧的总表面的5-20%的范围内,非粘合区域的表面在该侧的总表面的80-95%的范围内。由个性化的粘合区域组成的特定的交替图案、额外含有增滑剂的含聚丙烯的纤维以及根据本发明要使用的非粘合区域的高表面的组合,提供令人意外的高柔软度。而且,大的非粘合区域允许纤维胀大并提高织物的松厚度。从视觉和触觉的角度,这被感知为甚至更高的柔软度。优选地,非粘合区域的表面在该侧的总表面面积的85-92%的范围内。更优选地,非粘合区域的表面在该侧的总表面面积的88-91%的范围内。交替图案由形式为棒条的个性化的粘合区域组成。因此,该交替图案不含有除棒条以外的额外的粘合区域,所述棒条排列在网的横向方向中。
粘合区域的表面优选在该侧的总表面面积的8-15%的范围内,更优选地在该侧的总表面面积的9-12%的范围内。
个性化的粘合区域的形式为棒条,该棒条排列在网的横向方向中。该横向方向是沿着网材、大体上垂直于网材向前行进方向、穿过生产网材的生产线的方向。
优选地,形式为棒条的个性化的粘合区域各自在它们的长度方向相对于网的纵向方向形成90°的角度。
棒条以这样的方式被优选排列,即在纵向方向上,没有连续区域沿该网存在,而在横向方向上,棒条的排列限定多个连续区域,该多个连续区域沿该网连续地延伸。棒条的这种优选的排列产生一些改善的织物特性。
由于长丝垂直于它们优选的铺放方向而显眼地受约束,所以横向方向中的抗张强度被显著提高。因此重要的是,在优选的铺放方向中(即纵向方向)不存在连续区域,因为这将形成非粘合长丝的弱区,导致抗张强度降低。而且,由于沿着网在纵向方向中没有连续区域,游离的纤维长度(即在其第一粘合和第二粘合之间的单个纤维的平均长度)相对较短,导致耐磨性提高。而且,棒条的这种特定排列在横向方向中提供连续的非粘合区域,显著降低织物的弯曲力并且转化为优良的悬垂性,而不牺牲机械强度。这个发现令人意外,因为这两个特性通常互相排斥。
在棒条的这个优选排列中,在横向方向中的这些连续区域的宽度适当地大于750µm,优选地,该宽度在1000-2000 µm的范围内。
棒条可具有平端和/或弯曲端。优选地,该弯曲端为圆形。优选地,该棒条为线形。
适当地,形式为棒条的个性化的粘合区域具有表面,该表面在0.7-1.5 mm2范围内,优选在0.9-1.3 mm2的范围内,更优选在1.1-1.2 mm2的范围内。
无纺网具有定量,该定量在5-25 g/m2的范围内,优选在8-22 g/m2的范围内,更优地在10-20 g/m2的范围内。
棒条适当地具有最大宽度,该最大宽度在0.1-1.2 mm的范围内,优选在0.3-0.8mm的范围内,更优选在0.4-0.6 mm的范围内。
棒条适当地具有最大长度,该最大长度在1.2-3.5 mm的范围内,优选在1.8-3.0mm的范围内,更优选在2.2-2.6 mm的范围内。
适当地,形式为棒条的个性化的粘合区域具有长度,该长度是它们宽度的2-10倍,优选是它们宽度的2-8倍。
不连续的非粘合区域适当地具有深度,该深度在0.1-0.8 mm的范围内,优选在0.1-0.6 mm的范围内,更优选在0.15-0.5 mm的范围内,最优选在0.15-0.4 mm的范围内。
适当地,在横向方向中每对相邻的棒条之间的距离在1.8-3.0 mm的范围内,优选在2.2-2.6 mm的范围内。
适当地,在纵向方向中每对相邻的棒条之间的距离在2.5-5.0 mm的范围内,优选在3.3-4.2 mm的范围内。
在这方面,观察到纵向方向是沿着网材、大体上平行于网材向前行进方向、穿过生产网材的生产线的方向。
根据本发明,使用含聚丙烯的纤维。无纺织物还可含有由其它热塑性聚合物(如聚乙烯及其共聚物、脂肪族聚酯和芳香族聚酯,以及它们的组合)制造的纤维。而且,无纺织物还可包括与热塑性纤维结合的天然纤维(如木纤维、棉纤维或人造丝)。无纺网还可以是由两种或更多种不同的纤维的混合物或者由纤维和微粒的混合物组成的复合物。适当地,基于无纺织物中纤维的总含量,含聚丙烯的纤维以至少25 wt%的含量存在。优选地,基于无纺织物中纤维的总含量,含聚丙烯的纤维的以至少50 wt%的含量,更优选以至少75 wt%的含量存在。最优选地,无纺织物只含有含聚丙烯的纤维。
含聚丙烯的纤维可包括聚丙烯均聚物或聚丙烯共聚物。尤其,聚丙烯共聚物能够有利地用于本发明。优选的是包括丙烯-α-烯烃共聚物和丙烯均聚物的聚丙烯材料。
用于本发明的聚丙烯材料的熔体流动速率(MFR)适当地小于90 dg/min。利用2.16kg ASTM D1238测试方法确定MFR。优选地,聚烯烃材料的MFR在15-50 dg/min的范围内,更优选在15-35 dg/min的范围内。
根据本发明使用的含聚丙烯的纤维适当地具有小于2.5分特,优选小于2.2分特的特克斯。特克斯是纤维的单位重量的公制计量。特克斯在数字上等于10公里(10000米)纤维的克重。
优选地,纤维由聚乙烯、聚丙烯、聚乙烯和聚丙烯的共聚物、或聚乙烯和聚丙烯的混合物、或聚丙烯和聚乙烯与它们的共聚物的混合物形成。然而,基于混合物的总重量,这样的混合物含有至少25 wt%的聚丙烯,优选至少50 wt%的聚丙烯。更优选地,该含聚丙烯的纤维只含有聚丙烯材料作为热塑性组分。聚烯烃材料的适当示例包括丙烯均聚物。
在丙烯基聚合物的情况下,该聚合物可包括选自乙烯和C4-C10的α-烯烃的共聚单体衍生单元。
根据本发明使用的含聚丙烯的纤维还含有增滑剂。使用与棒条的特定图案和聚丙烯材料结合的增滑剂,该聚丙烯材料带来令人意外的高感知柔软度。
在织物的生产过程期间,增滑剂被适当地添加至聚丙烯材料,例如在纺丝过程期间以母粒的形式添加。
根据本发明使用的增滑剂能够是能够适当地用于无纺织物的生产的任何增滑剂。适当地,该增滑剂是碳氢化合物,该碳氢化合物优选含有杂原子,该杂原子形成一个或多个官能团,如含氧基团(如羟基、烷氧基、羧基、酯类)、含氮基团(如胺基、酰胺基)、含磷官能团或含硅官能团。而且,能够适当地存在芳基和功能性芳基基团以及一种或多种不饱和碳-碳键。
特别有利的增滑剂的典型示例为,如聚乙烯蜡和聚丙烯蜡、伯酰胺和仲酰胺(如芥酸酰胺和油酸酰胺)以及硬脂基衍生物。
基于含聚丙烯的纤维的总重量,增滑剂适当地以在0.1-5 wt%的范围内,优选在0.5-3 wt%的范围内的含量存在。
除已包含在施用的聚合物中的添加剂之外,有可能添加其它添加剂以提供额外的性能给纤维。合适的其它添加剂包括热稳定剂、光稳定剂、蜡以及使织物亲水或疏水的添加剂。添加填充材料有时也能够具有优点。适当的填充材料包括有机填充材料和无机填充材料。无机填充材料的适当示例包括矿物质(如碳酸钙)、金属(如铝和不锈钢)。有机填充材料的适当示例包括糖基聚合物。
在本发明的特别有利的实施例中,含聚丙烯的纤维含有98 wt%的齐格勒-纳塔(Ziegler-Natta)聚丙烯(如利安德巴塞尔的Moplen HP561R)作为聚丙烯材料以及2 wt%的含芥酸酰胺的增滑添加剂(如来自禾大聚合物添加剂的Crodamide ER)。
各种纤维横截面是可能的。优选圆形纤维横截面,但是也能够有利地使用三叶形纤维和多叶形纤维。其他适当的纤维横截面包括三角形、骨形、月形、中空纤维和缎带形横截面。
制造无纺网的纤维能够适当地为单组分纤维或多组分纤维(如双组分纤维)。多组分纤维的适当示例包括对称的芯/鞘纤维和偏心的芯/鞘纤维、A/B结构或A/B/A结构的并列式纤维、橘瓣形(segmented pie)纤维、海岛形(island-in-a-sea)纤维和条纹纤维。优选的是这样的双组分纤维,其中两个组分以对称的芯鞘方式或以并列方式排列。最优选的是芯鞘双组分纤维,该芯鞘双组分纤维包括较高熔点化合物和较低熔点化合物,例如聚乙烯和聚丙烯。通常,对于芯鞘纤维,芯材包括具有较高熔点的组分,鞘材包括具有较低熔点的组分,但是以相反的方式具有它能够是有利的。在优选实施例中,双组分纤维具有聚丙烯的芯材和聚乙烯的鞘材。在优选实施例中,双组分纤维包括在芯材中10%至90%重量份的较高熔点组分以及在鞘材中90%至10%重量份的较低熔点组分。最优选地,双组分纤维在芯材中具有30%至70%重量份的较高熔点组分。双组分纤维可含有不同类型的聚丙烯。较优选地,该双组分纤维具有聚丙烯的芯材和聚丙烯鞘材,该聚丙烯的芯材具有较高熔点,该聚丙烯鞘材具有较低熔点。在另一个优选实施例中,并列式双组分纤维包括在熔融温度或熔体流动上不同的两种聚丙烯。
纤维通过粘合而被适当地连接,以形成粘结的网结构。适当的粘合技术包括但不仅限于化学粘合和热粘合,例如热轧法或通过热气流粘合。也有可能是超声焊接。
根据本发明的无纺织物可通过用于制造无纺织物的任何已知方法来生产。
无纺织物可为单层无纺织物或多层无纺织物,该单层无纺织物或多层无纺织物例如具有至少一层纺粘网,该至少一层纺粘网被连接至至少一层熔喷网、梳理成网(cardedweb)或其他合适的材料。适当地,根据本发明的无纺织物还包括第二无纺网。
无纺网可为可伸展的、弹性的或非弹性的。无纺网可为纺粘网、熔喷网、气流成网(air-laid web)或梳理成网。如果无纺网是熔喷纤维的网,该无纺网可包括熔喷微纤维。
纤维能够根据本领域已知的纺丝技术制造。使用最方便的是纺粘法和熔喷法,能够从中直接形成无纺织物。
纺粘纤维通常通过将熔融聚合物穿过较大的喷丝头(每线性米具有数千个孔)挤出来生产,或通过将熔融聚合物从较小的喷丝头(如包含少至40个孔)的缸体中挤出来生产。离开喷丝头后,熔融纤维通过错流空气淬火系统来淬火,然后被拉离喷丝头并通过高速空气变细。铺放长丝来形成无纺层发生在可渗透的传送带上。纺粘纤维通常是连续的,其纤维直径在大约10–100 µm之间。
另一方面,熔喷纤维在直径上通常小得多,其直径一般在0.5–10 µm之间。而且,熔喷纤维被认为是大体上不连续的。
熔喷法是通过将熔融热塑性材料穿过多个细小的(通常为圆形的)口型毛细管挤出而形成纤维的方法,如同熔融线或长丝进入高速的(通常经过加热的)气流,该气流使熔融热塑性材料的长丝变细以减小它们的直径。熔喷法通常具有以单排长丝的形式跨过口型的宽度的长丝。其后,熔喷纤维被高速气流携带并沉积在收集表面上,以形成随机分散的熔喷纤维的网。熔喷纤维为可连续或不连续的微纤维。
根据本发明的无纺织物还能够经过处理以增加特定的性能。最为常见的是局部处理以使织物亲水或使织物疏水。最为常见的是用亲水表面活性剂或硅材料处理织物。在本发明的上下文中,当放置在无纺织物或无纺网的表面的水的接触角小于约90时,该表面“亲水”;当放置在该表面的水的接触角大于或等于90时,该表面“疏水”。
根据本发明的无纺织物能够由仅仅一类纤维或纤维层(如纺粘层)组成,但是无纺织物能够适当地包括额外的无纺层,该额外的无纺层可互相不同。合适的多层织物可包括一个或多个纺粘层(S)和熔喷层(M),如SMS、SMMS、SSMMS等,该一个或多个纺粘层(S)和熔喷层(M)被粘附至根据本发明的无纺织物。通常,这些多层织物在具有多束的单线上一步成型,该多束通常包含纺粘束和熔喷束的组合。在某些情况下,有利的是或技术上必要的是在两步或更多个分开的步骤中根据本发明制造多层。
有可能使用在其纤维横截面或在其纤维类型上不同的纺粘层。因此,还可能将三叶形长丝的层与圆形纤维的层结合,或者将芯鞘双组分层与并列式双组分层结合。
在无纺织物含有额外的无纺网的情况下,该额外的无纺网可具有在5-80克/m2的范围内,优选在6-50克/m2的范围内的定量。
根据本发明的无纺织物能够适当地用于吸收制品,如选自卫生制品、失禁制品、尿布、擦拭巾和女性护理用品的一次性吸收制品。本无纺织物能够在其中使用的合适的一次性吸收制品包括选自婴儿尿布、拉拉裤、练习裤、卫生闭合系统、成人失禁内裤和尿布、卫生护垫、卫生巾、医用服装和绷带的那些。合适的擦拭巾能够包括用于卫生和家庭护理的湿擦拭巾和干擦拭巾、清洁擦拭巾、工业擦拭巾、吸油擦拭巾等。
一次性吸收制品是不打算对它们进行洗涤或以其它方式复原或作为吸收制品重复使用的吸收制品。通常,这种吸收制品包括背片、顶片和设置在背片和顶片之间的吸收芯材。该顶片的额外功能是提供皮肤舒适感。
本发明还涉及用于形成本无纺织物的方法。
因此,本发明还涉及用于形成无纺织物的方法,该方法包括步骤:
(a)形成含聚丙烯的纤维的无纺网,该含聚丙烯的纤维还含有增滑剂;以及
(b)将无纺网输送进夹具中,该夹具被限定在相对定位的第一辊和第二辊之间,从而该辊的至少一个具有图案化的外表面,以将粘合图案施加至第一无纺网,从而该粘合图案包括交替图案,该交替图案由个性化的粘合区域和非粘合区域组成,该个性化的粘合区域和非粘合区域如上文所限定。
进一步地,本发明还涉及根据权利要求11所述的用于形成无纺织物的方法,该方法包括步骤:
(a)形成第一无纺网;
(b)形成第二无纺网;
(c)形成第三无纺网;
(d)将第一无纺网、第二无纺网和第三无纺网输送进夹具中,该夹具被限定在相对定位的第一辊和第二辊之间,从而该辊的至少一个具有图案化的外表面,以将粘合图案施加至第一无纺网,从而该粘合图案包括交替图案,该交替图案由粘合区域和非粘合区域组成,该粘合区域和非粘合区域如上文所限定;以及
(e)将第一无纺网、第二无纺网和第三无纺网粘合在一起,以形成无纺织物。
优选地,在这些方法中,三个无纺网的至少一个的形成以纺粘法或熔喷法的方式来进行。
在根据本发明的这些方法中要使用的辊适当地为直圆柱体,该直圆柱体能够由任何合适的耐用材料形成。这样的辊将以本领域已知的方式操作。
相对定位的辊的位置能够适当地有所不同,以在辊之间形成夹具。夹具内的压区压力能够根据要加工的一个或多个无纺网的性能而适当地有所不同。压光辊的必要温度也是如此,其必须根据需要的最终性能和要粘合的纤维种类来调整。
通过控制辊的至少一个的温度,粘合区域以熔断的方式被适当地形成。辊的至少一个的外表面的温度能够通过对辊进行加热或冷却来调整。加热和冷却可影响正在加工的网的特征,并且影响正在经过夹具的单个网或多个网的粘合度,该夹具被形成在各自的辊之间。
要使用的其中一个辊将在其最外表面上含有粘合图案,该最外表面包括合模面的连续图案,该合模面的连续图案限定多个不连续的开口、孔或洞。一个或多个辊中的每个开口将在无纺织物或无纺网的至少一侧中形成不连续的非粘合区域。另一个辊将适当地具有比其它棍光滑得多的外表面。优选地,该另一个辊的外表面将是光滑的或平整的。各自的辊的旋转速度大体上一致。
以下将通过无限制的附图来进一步说明本发明。
在图1中,显示无纺织物的侧具有个性化的粘合区域的交替图案,该个性化的粘合区域的形式为在网的横向方向中的棒条,该个性化的粘合区域的交替图案限定非粘合区域。
示例
为了显示本发明的优点,对已知的无纺织物和根据本发明的无纺织物的抗张强度和织物手感测定器(Handle-O-Meter)测试的结果进行比较。抗张强度是拉伸断裂前材料将承受的最大张力(峰值力),如在此通过抗张强度测量法(WSP 110.4)来测量。织物手感测定器测试(WSP 90.3)用于测量柔软度和挺度。这些测试在无纺工业中是公知的标准方法。在这些实施例中所使用的增滑剂是增滑剂CESA PPA 0050079(购自科莱恩)。
表1显示根据本发明的15 gsm聚丙烯纺粘织物和已知的15 gsm聚丙烯纺粘织物的结果。
从表1将清楚的是,横向棒条图案与增滑剂的组合提供已知图案不能够达到的、令人意外的高柔软度。织物手感测定器中的值越低,挺度越低,使织物变形所需的力更小。这意味着越来越柔软的感觉。
Claims (13)
1.一种无纺织物,该无纺织物包括多个含聚丙烯的纤维,该多个含聚丙烯的纤维形成无纺网,该纤维还含有增滑剂,该网具有设置有交替图案的侧,该交替图案由个性化的粘合区域组成,该个性化的粘合区域的形式为排列在网的横向方向中的棒条,个性化的粘合区域的交替图案限定非粘合区域,网的定量在5-25 g/m2的范围内,粘合区域的表面在该侧的总表面的5-20%的范围内,非粘合区域的表面在该侧的总表面的80-95%的范围内。
2.根据权利要求1所述的无纺织物,其中非粘合区域的表面在所述侧的总表面面积的8-15%的范围内。
3.根据权利要求2所述的无纺织物,其中非粘合区域的表面在所述侧的总表面面积的85-92%的范围内。
4.根据权利要求1-3任一项所述的无纺织物,其中增滑剂为具有一种或多种官能团的碳水化合物,该一种或多种官能团选自氢氧根、芳基及取代芳基、烷氧基、羧化物、酯、酰胺、不饱和碳碳键、氧、氮、羧基、脂肪酸衍生物或基于含硅化合物的化合物。
5.根据权利要求1-4任一项所述的无纺织物,其中纤维的特克斯少于2.5分特。
6.根据权利要求1-5任一项所述的无纺织物,其中纤维的横截面为圆形。
7.根据权利要求1-6任一项所述的无纺织物,其中无纺网的定量是8-22 g/m2。
8.根据权利要求1-7任一项所述的无纺织物,其中形式为棒条的个性化的粘合区域各自在它们的长度方向相对于网的纵向方向形成90°的角度。
9.根据权利要求1-8任一项所述的无纺织物,该无纺织物包括额外的无纺网。
10.根据权利要求9所述的无纺织物,该无纺织物包括一个或多个纺粘网以及一个或多个熔喷网。
11.一种用于形成无纺织物的方法,该方法包括步骤:
(a)形成含聚丙烯的纤维的无纺网,该含聚丙烯的纤维还含有增滑剂;以及
(b)将无纺网输送进夹具中,该夹具被限定在相对定位的第一辊和第二辊之间,从而该辊的至少一个具有图案化的外表面,以将粘合图案施加至第一无纺网,从而该粘合图案包括交替图案,该交替图案由个性化的粘合区域和非粘合区域组成,该个性化的粘合区域和非粘合区域如权利要求1-3任一项所限定。
12.一种用于形成根据权利要求9所述的无纺织物的方法,该方法包括步骤:
(a)形成第一无纺网;
(b)形成第二无纺网;
(c)形成第三无纺网;
(d)将第一无纺网、第二无纺网和第三无纺网输送进夹具中,该夹具被限定在相对定位的第一辊和第二辊之间,从而该辊的至少一个具有图案化的外表面,以将粘合图案施加至第一无纺网,从而该粘合图案包括交替图案,该交替图案由粘合区域和非粘合区域组成,该粘合区域和非粘合区域如权利要求1-3任一项所限定;以及
(e)将第一无纺网、第二无纺网和第三无纺网粘合在一起,以形成无纺织物。
13.根据权利要求110或12所述的方法,其中三个无纺网的至少一个通过纺粘法或熔喷法制造。
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CN (1) | CN107278146B (zh) |
BR (1) | BR112017014285B1 (zh) |
DK (1) | DK3240515T3 (zh) |
ES (1) | ES2775017T3 (zh) |
MX (1) | MX2017008816A (zh) |
MY (1) | MY179659A (zh) |
PE (1) | PE20180263A1 (zh) |
PL (1) | PL3240515T3 (zh) |
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EP3040061A1 (en) * | 2015-01-02 | 2016-07-06 | Fitesa Germany GmbH | Nonwoven fabric and process for forming the same |
EP3555353B1 (en) * | 2016-12-14 | 2023-10-04 | Pfnonwovens, Llc | Hydraulically treated nonwoven fabrics and method of making the same |
US11413845B2 (en) | 2017-10-30 | 2022-08-16 | Aplix | Stretch laminate |
CN111484678B (zh) * | 2020-06-29 | 2020-10-02 | 金发科技股份有限公司 | 低阻力口罩用熔喷无纺布用驻极母粒及其制备方法 |
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- 2015-11-24 WO PCT/EP2015/077422 patent/WO2016107698A1/en active Application Filing
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- 2015-11-24 BR BR112017014285-6A patent/BR112017014285B1/pt active IP Right Grant
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- 2015-11-24 EP EP15801736.8A patent/EP3240515B1/en active Active
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Also Published As
Publication number | Publication date |
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EP3240515A1 (en) | 2017-11-08 |
PE20180263A1 (es) | 2018-02-05 |
US10633773B2 (en) | 2020-04-28 |
US20200263335A1 (en) | 2020-08-20 |
BR112017014285A2 (pt) | 2018-01-02 |
RU2665912C1 (ru) | 2018-09-04 |
WO2016107698A1 (en) | 2016-07-07 |
US10914024B2 (en) | 2021-02-09 |
CN107278146B (zh) | 2021-11-16 |
MX2017008816A (es) | 2018-03-15 |
JP2018503757A (ja) | 2018-02-08 |
EP3240515B1 (en) | 2020-01-08 |
PL3240515T3 (pl) | 2020-06-29 |
ES2775017T3 (es) | 2020-07-23 |
BR112017014285B1 (pt) | 2022-08-02 |
MY179659A (en) | 2020-11-11 |
JP6667550B2 (ja) | 2020-03-18 |
US20180002846A1 (en) | 2018-01-04 |
DK3240515T3 (da) | 2020-04-06 |
EP3040061A1 (en) | 2016-07-06 |
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