CN114193854B - 一种内亲水外疏水无纺布及其制备方法 - Google Patents

一种内亲水外疏水无纺布及其制备方法 Download PDF

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CN114193854B
CN114193854B CN202010986024.4A CN202010986024A CN114193854B CN 114193854 B CN114193854 B CN 114193854B CN 202010986024 A CN202010986024 A CN 202010986024A CN 114193854 B CN114193854 B CN 114193854B
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hydrophilic
woven fabric
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CN114193854A (zh
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吴新华
马国宣
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Dongguan Kedi Industry Co ltd
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Abstract

本发明公开了一种内亲水外疏水无纺布，包括亲水层、无纺布基层、疏水层；所述亲水层热压在所述无纺布基层底面；所述亲水层为由经纬织法编织而成的棉纤维织布，且表面涂覆有亲水材料；所述疏水层通过水刺法附在所述无纺布基层顶面；所述疏水层由疏水纤维编制而成，且表面分布有若干网眼；本发明同时公开了一种内亲水外疏水无纺布的制备方法。本发明的无纺布采用内亲水外疏水的布置，在抵御外界水溅的同时，能够提供较好的亲肤性，在保持防水功能的基础上，具有较好的穿着舒适性；本发明的无纺布以常见的疏水纤维和亲水材料为原料，且采用的编织和连接工艺均为常见的纺织工艺，因此制备难度较低，便于对现有设备进行改造加以推广。

Description

一种内亲水外疏水无纺布及其制备方法
技术领域
本发明涉及无纺布技术领域，具体为一种内亲水外疏水无纺布及其制备方法。
背景技术
无纺布是人们生活中最常见的布料之一，但是现有的无纺布存在防水性不足的问题，一旦下雨或水溅，很容易弄湿而对人们穿着的舒适性造成不便，甚至长时间穿着潮湿的衣服极易造成风湿等慢性疾病。疏水性的无纺布料虽然形成外接屏障，解决了布料的防水性，但此类布料的人体皮肤的吸收性较差，因此容易出现身体热量和汗液无法释放的问题，造成布料的闷热。为了解决上述问题，具有外疏水性和内亲水性的无纺布料成了研究的热点。中国专利CN201610887602公开了一种外层亲水内层输水的棉质布料，该布料被水浸湿后，内层布料的网状结构能够将内部的水快速排出至不了外层，保持内层干爽。但是，该布料的材料制备方法较复杂且采用的亲水材料并非纺织领域常见的原料制成，因此推广难度较大，同时，该布料采用内疏水层，因此人们在穿着过程中的亲肤性较差。
发明内容
1. 需要解决的技术问题
本发明需要解决的技术问题在于，提供一种内亲水外疏水无纺布及其制备方法，解决现有技术制备难度大，穿着的亲肤性较差的问题。
2. 技术方案
为实现上述目的，本发明提供如下技术方案：一种内亲水外疏水无纺布，包括亲水层、无纺布基层、疏水层；所述亲水层热压在所述无纺布基层底面；所述亲水层为由经纬织法编织而成的棉纤维织布，且表面涂覆有亲水材料；所述疏水层通过水刺法附在所述无纺布基层顶面；所述疏水层由疏水纤维编制而成，且表面分布有若干网眼。
上述的内亲水外疏水无纺布，其中，还包括隔离层；所述隔离层为二氧化硅粒子层，所述隔离层设置在所述无纺布基层和亲水层之间。
上述的内亲水外疏水无纺布，其中，所述隔离层的二氧化硅粒子呈120°倾斜布置。
上述的内亲水外疏水无纺布，其中，所述亲水材料按质量分数计，包含以下组分：十二烷基苯磺酸8-12份、辛基苯酚聚氧乙烯醚9-10份、表面活性剂4-6份、乙醇0.2-0.4份。
上述的内亲水外疏水无纺布，其中，所述亲水层经纱之间的间距为1-2mm，纬纱之间的间距为0.5-1mm。
上述的内亲水外疏水无纺布，其中，所述疏水层由1.2D、1.5D的聚丙烯晴纤维编织而成。
本发明同时公开了一种内亲水外疏水无纺布的制备方法，包括如下步骤：
步骤1，将十二烷基苯磺酸、辛基苯酚聚氧乙烯醚、表面活性剂和乙醇按照质量比混合，放入离心机低速搅拌10min，再高速搅拌5min，得到所述亲水材料；
步骤2，将经纱和纬纱按照经纬法编织成所述亲水层，并在表面喷涂步骤1制备的亲水材料；
步骤3，聚丙烯腈纤维编织成所述疏水层，并通过水刺法加固在所述无纺布基层顶面；
步骤4，将表面活性剂、粘接剂和二氧化硅分子筛混入纯水中混合得到亚稳态泡沫；
步骤5，采用泡沫喷涂法在所述无纺布基层底面喷涂步骤4制备的亚稳态泡沫，随后烘干定型得到所述隔离层；
步骤6，采用热压方式将步骤2制备的亲水层粘接在所述隔离层底面，自然冷却得到所述内亲水外疏水无纺布。
上述的抗撕裂无纺布制备方法，其中，所述步骤6的热压温度为60-100℃。
上述的抗撕裂无纺布制备方法，其中，所述步骤4的表面活性剂为十二烷基苯磺酸、粘接剂为PH-501F。
上述的抗撕裂无纺布制备方法，其中，所述步骤5的烘干温度为110℃，定型温度为145~155℃。
3. 有益效果
综上所述，本发明的有益效果是：
（1）本发明的无纺布采用内亲水外疏水的布置，在抵御外界水溅的同时，能够提供较好的亲肤性，在保持防水功能的基础上，具有较好的穿着舒适性；
（2）本发明的无纺布以常见的疏水纤维和亲水材料为原料，且采用的编织和连接工艺均为常见的纺织工艺，因此制备难度较低，便于对现有设备进行改造加以推广。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明的实施例一起用于解释本发明，并不构成对本发明的限制,在附图中：
图1示出了本发明内亲水外疏水无纺布的结构示意图；
图2示出了本发明内亲水外疏水无纺布的制备流程图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
参阅附图1所示，一种内亲水外疏水无纺布，包括亲水层1、无纺布基层2、疏水层3；所述亲水层1热压在所述无纺布基层2底面；所述亲水层1为由经纬织法编织而成的棉纤维织布，且表面涂覆有亲水材料；所述疏水层3通过水刺法附在所述无纺布基层2顶面；所述疏水层3由疏水纤维编制而成，且表面分布有若干网眼4。
上述的内亲水外疏水无纺布，其中，还包括隔离层5；所述隔离层为二氧化硅粒子层，所述隔离层5设置在所述无纺布基层2和亲水层1之间。
上述的内亲水外疏水无纺布，其中，所述隔离层5的二氧化硅粒子呈120°倾斜布置。
上述的内亲水外疏水无纺布，其中，所述亲水材料按质量分数计，包含以下组分：十二烷基苯磺酸8-12份、辛基苯酚聚氧乙烯醚9-10份、表面活性剂4-6份、乙醇0.2-0.4份。
上述的内亲水外疏水无纺布，其中，所述亲水层1经纱之间的间距为1-2mm，纬纱之间的间距为0.5-1mm。
上述的内亲水外疏水无纺布，其中，所述疏水层3由1.2D、1.5D的聚丙烯晴纤维编织而成。
本发明同时公开了一种内亲水外疏水无纺布的制备方法，包括如下步骤：
步骤1，将十二烷基苯磺酸、辛基苯酚聚氧乙烯醚、表面活性剂和乙醇按照质量比混合，放入离心机低速搅拌10min，再高速搅拌5min，得到所述亲水材料；
步骤2，将经纱和纬纱按照经纬法编织成所述亲水层1，并在表面喷涂步骤1制备的亲水材料；
步骤3，聚丙烯腈纤维编织成所述疏水层3，并通过水刺法加固在所述无纺布基层2顶面，其中，水刺法的水柱直径0.0001-0.0005mm；
步骤4，将十二烷基苯磺酸2份、PH-501F 20份和二氧化硅分子筛10份混入60份纯水中混合得到亚稳态泡沫；
步骤5，采用泡沫喷涂法在所述无纺布基层2底面喷涂步骤4制备的亚稳态泡沫，随后在110℃下烘干，并在150℃下定型5min得到所述隔离层5；
步骤6，采用100℃热压，将步骤2制备的亲水层1粘接在所述隔离层5底面，自然冷却得到所述内亲水外疏水无纺布。
需要注意的是，这里所使用的术语仅是为了描述具体实施方式，而非意图限制根据本申请的示例性实施方式。如在这里所使用的，除非上下文另外明确指出，否则单数形式也意图包括复数形式，此外，还应当理解的是，当在本说明书中使用术语“包含”和/或“包括”时，其指明存在特征、步骤、操作、器件、组件和/或它们的组合。
除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本申请的范围。同时，应当明白，为了便于描述，附图中所示出的各个部分的尺寸并不是按照实际的比例关系绘制的。对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为授权说明书的一部分。在这里示出和讨论的所有示例中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它示例可以具有不同的值。应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
在本申请的描述中，需要理解的是，方位词如“前、后、上、下、左、右”、“横向、竖向、垂直、水平”和“顶、底”等所指示的方位或位置关系通常是基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，在未作相反说明的情况下，这些方位词并不指示和暗示所指的装置或元件必须具有特定的方位或者以特定的方位构造和操作，因此不能理解为对本申请保护范围的限制；方位词“内、外”是指相对于各部件本身的轮廓的内外。
为了便于描述，在这里可以使用空间相对术语，如“在……之上”、“在……上方”、“在……上表面”、“上面的”等，用来描述如在图中所示的一个器件或特征与其他器件或特征的空间位置关系。应当理解的是，空间相对术语旨在包含除了器件在图中所描述的方位之外的在使用或操作中的不同方位。例如，如果附图中的器件被倒置，则描述为“在其他器件或构造上方”或“在其他器件或构造之上”的器件之后将被定位为“在其他器件或构造下方”或“在其他器件或构造之下”。因而，示例性术语“在……上方”可以包括“在……上方”和“在……下方”两种方位。该器件也可以其他不同方式定位(旋转90度或处于其他方位)，并且对这里所使用的空间相对描述作出相应解释。
此外，需要说明的是，使用“第一”、“第二”等词语来限定零部件，仅仅是为了便于对相应零部件进行区别，如没有另行声明，上述词语并没有特殊含义，因此不能理解为对本申请保护范围的限制。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。

Claims (7)

1.一种内亲水外疏水无纺布，其特征在于：包括亲水层（1）、无纺布基层（2）、疏水层（3）；所述亲水层（1）热压在所述无纺布基层（2）底面；所述亲水层（1）为由经纬织法编织而成的棉纤维织布，且表面涂覆有亲水材料；所述疏水层（3）通过水刺法附在所述无纺布基层（2）顶面；所述疏水层（3）由疏水纤维编织而成，且表面分布有若干网眼（4）；
还包括隔离层（5），所述隔离层为二氧化硅粒子层，所述隔离层（5）设置在所述无纺布基层（2）和亲水层（1）之间，所述隔离层（5）的二氧化硅粒子呈120°倾斜布置；
该内亲水外疏水无纺布由以下步骤制得：
步骤1，将十二烷基苯磺酸、辛基苯酚聚氧乙烯醚、表面活性剂和乙醇按照质量比混合，放入离心机低速搅拌10min，再高速搅拌5min，得到所述亲水材料；
步骤2，将经纱和纬纱按照经纬法编织成所述亲水层（1），并在表面喷涂步骤1制备的亲水材料；
步骤3，聚丙烯腈纤维编织成所述疏水层（3），并通过水刺法加固在所述无纺布基层（2）顶面；
步骤4，将表面活性剂、粘接剂和二氧化硅分子筛混入纯水中混合得到亚稳态泡沫；
步骤5，采用泡沫喷涂法在所述无纺布基层（2）底面喷涂步骤4制备的亚稳态泡沫，随后烘干定型得到所述隔离层（5）；
步骤6，采用热压方式将步骤2制备的亲水层（1）粘接在所述隔离层（5）底面，自然冷却得到所述内亲水外疏水无纺布。
2.根据权利要求1所述的一种内亲水外疏水无纺布，其特征在于：所述亲水材料按质量分数计，包含以下组分：十二烷基苯磺酸8-12份、辛基苯酚聚氧乙烯醚9-10份、表面活性剂4-6份、乙醇0.2-0.4份。
3.根据权利要求1所述的一种内亲水外疏水无纺布，其特征在于：所述亲水层（1）经纱之间的间距为1-2mm，纬纱之间的间距为0.5-1mm。
4.根据权利要求1所述的一种内亲水外疏水无纺布，其特征在于：所述疏水层（3）由1.2D、1.5D的聚丙烯腈纤维编织而成。
5.根据权利要求1所述的一种内亲水外疏水无纺布，其特征在于：所述步骤6的热压温度为60-100℃。
6.根据权利要求1所述的一种内亲水外疏水无纺布，其特征在于：所述步骤4的表面活性剂为十二烷基苯磺酸、粘接剂为PH-501F。
7.根据权利要求1所述的一种内亲水外疏水无纺布，其特征在于：所述步骤5的烘干温度为110℃，定型温度为145~155℃。
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