CN112342690A - 一种高透水性叠层复合水刺无纺布的制备工艺 - Google Patents
一种高透水性叠层复合水刺无纺布的制备工艺 Download PDFInfo
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Abstract
本发明公开了一种高透水性叠层复合水刺无纺布的制备工艺，将纤维A浸渍处理，开松并送入棉箱A，出棉后送入梳理机A进行梳理，制得上层棉网备用；将纤维B开松后送入棉箱B混合均匀，出棉后送入梳理机B进行梳理，制得下层棉网备用；通过铺网机将上层棉网均匀铺在下层棉网上叠层复合，送入水刺网经高压水刺缠结定型，制得复合水刺布备用；将复合水刺布烘干，在其上表面均匀喷涂处理液B，烘干即得成品，本发明同步叠层复合成型水刺无纺布，上下两层层次分明，有别于简单混纺，在生产线中对上层棉网和水刺无纺布实施整理，提高加工效率；上层棉网在采用亲水性纤维的基础上，对其进行亲水性整理，提高叠层复合水刺无纺布的亲水性和透水性。
Description
技术领域
本发明涉及无纺布加工技术领域，尤其涉及一种高透水性叠层复合水刺无纺布的制备工艺。
背景技术
无纺布又称不织布，是通过一定技术生产出的由定向的或随机的纤维而构成的新一代环保材料，因具有布的外观和性能而称其为布。水刺无纺布是将高压微细水流喷射到一层或多层纤维网上，使纤维相互缠结在一起形成加固并具备一定形状的织物，这种织物也被成为水刺无纺布。
水刺无纺布在生产、生活中均具备多种用途，如可用作医疗卫生无纺布、家庭装饰无纺布、服装无纺布、工业无纺布、农业无纺布以及其他用途等。
生产水刺无纺布的纤维原料来源广泛，其从短纤维到最终的成品无纺布工艺过程比较繁琐，而且如果生产叠层无纺布，其要协调两种或多种无纺布的加工流程，尤其要赋予无纺布更多附加功能时，其制备流程更加复杂；且其亲水透水性不高，限制了其使用范围。
发明内容
本发明的目的在于提供一种高透水性叠层复合水刺无纺布的制备工艺，以解决上述背景技术中所提出的问题。
为达到上述目的，本发明采用的技术方案是：一种高透水性叠层复合水刺无纺布的制备工艺，包括如下步骤，
S1)制备上层棉网：将纤维A浸入处理液A中1-10min，离心甩干后投入开棉机A进行开松，并送入棉箱A，出棉送入梳理机A进行梳理，制得上层棉网备用；
S2)制备下层棉网：将纤维B投入开棉机B进行开松，并送入棉箱B混合均匀，出棉后送入梳理机B进行梳理，制得下层棉网备用；
S3)制备复合水刺布：通过铺网机将上层棉网均匀铺在下层棉网上叠层复合，送入水刺网经高压水刺缠结定型，制得复合水刺布备用，本发明通过将制备上层棉网和下层棉网的生产线并联后再与制备复合水刺布的生产线串联，实现上层棉网和下层棉网自动上料，具体为加装梳理机A，并为其独立配置开棉机A与棉箱A，使该条生产线与下层棉网生产线并联；
S4)制备高透水性叠层复合水刺无纺布：将复合水刺布烘干，在其上表面均匀喷涂处理液B，处理液B在上层棉网层上要有3s以上的浸留时间，且通过控制时间保证处理液B不渗透到下层棉网上，送入烘箱120-160℃烘干，即可制得高透水性叠层复合水刺无纺布。
作为进一步的优化，S1中所述纤维A为蚕丝，其长度为3-10cm。
作为进一步的优化，S1中所述处理液A按质量分数包括蛋白酶0.05-0.2％和抗静电液0.02-1％，余量为水，可以解决由于蚕丝梳理过程中产生的静电，而导致不能出棉的问题。
作为进一步的优化，S2所述纤维B包括但不限于常用水刺纤维，如竹纤维、棉纤维、涤纶化纤、莫代尔纤维中的一种或多种，其长度为1-10cm。
作为进一步的优化，所述棉箱A的出棉量参数为5-20g/m2；所述棉箱B的出棉量参数为5-30g/m2。
作为进一步的优化，S3中所述上层棉网与下层棉网的重量比为(20-65％):(35-80％)。
作为进一步的优化，S3中三处水刺头的水刺压力根据纹路不同分别为10-40Mpa、40-60Mpa、60-80MPa。
作为进一步的优化，S4中所述处理液B按质量分数包括单体聚酯聚醚3-10％、水性粘合剂4-8％、乳化剂0.5-2％、PH值调节剂0.05-2％和耐高温长效抗菌剂0.02-1％，余量水。
作为进一步的优化，所述耐高温长效抗菌剂为胍类抗菌剂、纳米银、苯扎氯铵、对氯间二甲苯酚的一种或多种，其中胍类抗菌剂优选PHMB、双氯苯双胍己烷。
本发明还提供一种高透水抗菌性卫生巾，采用高透水性叠层复合水刺无纺布的制备工艺制备得到。
与已有技术相比，本发明的有益效果体现在：
1.本发明通过上层棉网和下层棉网生产线并联后，同步叠层复合成型水刺无纺布，同时在生产线中对上层棉网和水刺无纺布实施功能性整理，简化了制备过程，提高了加工效率；
2.上层棉网在成型后的水刺无纺布通过处理液进行亲水性整理，可以提高叠层复合水刺无纺布的亲水性和透水性；
3.本发明水刺布网布具有抗菌作用，可适用于多种应用场合。
附图说明
图1为本发明加工生产总线流程示意图。
图2为本发明制备上层棉网和下层棉网的生产线并联示意图。
图3为本发明复合水刺布加工制成成品的生产线示意图。
具体实施方式
以下是本发明的具体实施例，结合附图对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。
实施例1
一种高透水性叠层复合水刺无纺布的制备工艺，包括如下步骤，
S1)制备上层棉网：将蚕丝(长度范围为3-10cm)浸入处理液A中1-10min，离心甩干后投入开棉机A进行开松，并送入棉箱A，设置出棉量参数为8g/m2，出棉后送入梳理机A进行梳理，制得上层棉网备用，其中，处理液A按质量分数包括蛋白酶0.2％和抗静电液0.5％，余量为水；
S2)制备下层棉网：将竹纤维(长度范围为1-10cm)投入开棉机B进行开松，并送入棉箱B混合均匀，设置出棉量参数为15g/m2，出棉后送入梳理机B进行梳理，制得下层棉网备用；
S3)制备复合水刺布：通过铺网机将上层棉网均匀铺在下层棉网上叠层复合，同一平方米内的上层棉网与下层棉网的重量比为2:8，送入水刺网经高压水刺缠结定型，三个喷头处的水刺压力分别为10Mpa、40Mpa和60Mpa，制得复合水刺布备用，其克重为38g/m2；
S4)制备高透水性叠层复合水刺无纺布：将复合水刺布烘干，在其上表面均匀喷涂处理液B，送入烘箱120-160℃烘干，即可制得高透水性叠层复合水刺无纺布，处理液B按质量分数包括单体聚酯聚醚10％、水性粘合剂5％、乳化剂1％、PH值调节剂0.5％和双氯苯双胍己烷0.65％，余量水。
实施例2
一种高透水性叠层复合水刺无纺布的制备工艺，包括如下步骤，
S1)制备上层棉网：将蚕丝(长度范围为3-10cm)浸入处理液A中1-10min，离心甩干后投入开棉机A进行开松，并送入棉箱A，设置出棉量参数为10g/m2，出棉后送入梳理机A进行梳理，制得上层棉网备用，其中，处理液A按质量分数包括蛋白酶0.1％和抗静电液0.1％，余量为水；
S2)制备下层棉网：将棉纤维(长度范围为1-10cm)投入开棉机B进行开松，并送入棉箱B混合均匀，设置出棉量参数为20g/m2，出棉后送入梳理机B进行梳理，制得下层棉网备用；
S3)制备复合水刺布：通过铺网机将上层棉网均匀铺在下层棉网上叠层复合，同一平方米内的上层棉网与下层棉网的重量比为2:8，送入水刺网经高压水刺缠结定型，水刺压力为10Mpa、40Mpa、60Mpa，制得复合水刺布备用，其克重为42g/m2；
S4)制备高透水性叠层复合水刺无纺布：将复合水刺布烘干，在其上表面均匀喷涂处理液B，送入烘箱120-160℃烘干，即可制得高透水性叠层复合水刺无纺布，处理液B按质量分数包括单体聚酯聚醚6.5％、水性粘合剂8％、乳化剂2％、PH值调节剂1％和PHMB0.1％，余量水。
实施例3
一种高透水性叠层复合水刺无纺布的制备工艺，包括如下步骤，
S1)制备上层棉网：将蚕丝(长度范围为3-10cm)浸入处理液A中1-10min，离心甩干后投入开棉机A进行开松，并送入棉箱A，设置出棉量参数为12g/m2，出棉后送入梳理机A进行梳理，制得上层棉网备用，其中，处理液A按质量分数包括蛋白酶0.15％和抗静电液0.36％，余量为水；
S2)制备下层棉网：将涤纶纤维(长度范围为1-10cm)投入开棉机B进行开松，并送入棉箱B混合均匀，设置出棉量参数为12g/m2，出棉后送入梳理机B进行梳理，制得下层棉网备用；
S3)制备复合水刺布：通过铺网机将上层棉网均匀铺在下层棉网上叠层复合，同一平方米内的上层棉网与下层棉网的重量比为5:5，送入水刺网经高压水刺缠结定型，水刺压力为10Mpa、40Mpa、70Mpa，制得复合水刺布备用，其克重为41g/m2；
S4)制备高透水性叠层复合水刺无纺布：将复合水刺布烘干，在其上表面均匀喷涂处理液B，送入烘箱120-160℃烘干，即可制得高透水性叠层复合水刺无纺布，处理液B按质量分数包括单体聚酯聚醚3.5％、水性粘合剂4.5％、乳化剂1.5％、PH值调节剂0.7％和纳米银0.5％，余量水。
实施例4
一种高透水性叠层复合水刺无纺布的制备工艺，包括如下步骤，
S1)制备上层棉网：将蚕丝(长度范围为3-10cm)浸入处理液A中1-10min，离心甩干后投入开棉机A进行开松，并送入棉箱A，设置出棉量参数为15g/m2，出棉后送入梳理机A进行梳理，制得上层棉网备用，其中，处理液A按质量分数包括蛋白酶0.12％和抗静电液0.75％，余量为水；
S2)制备下层棉网：将莫代尔纤维(长度范围为1-10cm)投入开棉机B进行开松，并送入棉箱B混合均匀，设置出棉量参数为12g/m2，出棉后送入梳理机B进行梳理，制得下层棉网备用；
S3)制备复合水刺布：通过铺网机将上层棉网均匀铺在下层棉网上叠层复合，同一平方米内的上层棉网与下层棉网的重量比为6.5:3.5，送入水刺网经高压水刺缠结定型，水刺压力为10Mpa、60Mpa、80Mpa，制得复合水刺布备用，其克重为37g/m2；
S4)制备高透水性叠层复合水刺无纺布：将复合水刺布烘干，在其上表面均匀喷涂处理液B，送入烘箱120-160℃烘干，即可制得高透水性叠层复合水刺无纺布，处理液B按质量分数包括单体聚酯聚醚8％、水性粘合剂6％、乳化剂0.5％、PH值调节剂0.25％和双氯苯双胍己烷0.85％，余量水。
应用实施例
采用GB/T 6504-2008标准测试：用穿透时间来衡量非织造布的透水能力，实验测试采用的仪器为奥地利LISTERAC，第5次渗透时间参照GB/T 24218.13标准测试，对比例1中与实施例1的不同之处在于没有采用处理液B对上层蚕丝进行整理。
表1无纺布亲水性测试数据
| LISTER/s(5th) | |
| 实施例1 | 1.49 |
| 实施例2 | 1.56 |
| 实施例3 | 1.72 |
| 实施例4 | 1.53 |
| 对比例1 | 8.29 |
同时，将上述实施例1至4、对比例1分别压制成片状，按照GB15979检测其对于大肠杆菌、金黄色葡萄球菌和白色念珠菌在10min和20min时的抑菌率，其测试数据如表2所示，
表2无纺布抑菌性测试数据
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。
Claims (10)
1.一种高透水性叠层复合水刺无纺布的制备工艺，其特征在于，包括如下步骤，
S1)制备上层棉网：将纤维A浸入处理液A中1-10min，离心甩干后投入开棉机A进行开松，并送入棉箱A，出棉后送入梳理机A进行梳理，制得上层棉网备用；
S2)制备下层棉网：将纤维B投入开棉机B进行开松，并送入棉箱B混合均匀，出棉后送入梳理机B进行梳理，制得下层棉网备用；
S3)制备复合水刺布：通过铺网机将上层棉网均匀铺在下层棉网上叠层复合，送入水刺网经高压水刺缠结定型，制得复合水刺布备用；
S4)制备高透水性叠层复合水刺无纺布：将复合水刺布烘干，在其上表面均匀喷涂处理液B，送入烘箱120-160℃烘干，即可制得高透水性叠层复合水刺无纺布。
2.根据权利要求1所述的高透水性叠层复合水刺无纺布的制备工艺，其特征在于，S1中所述纤维A为蚕丝，其长度为3-10cm。
3.根据权利要求2所述的高透水性叠层复合水刺无纺布的制备工艺，其特征在于，S1中所述处理液A按质量分数包括蛋白酶0.05-0.2％和抗静电液0.02-1％，余量为水。
4.根据权利要求1所述的高透水性叠层复合水刺无纺布的制备工艺，其特征在于，S2中所述纤维B为竹纤维、棉纤维、涤纶化纤或莫代尔纤维中的一种或多种，其长度为1-10cm。
5.根据权利要求1所述的高透水性叠层复合水刺无纺布的制备工艺，其特征在于，所述棉箱A的出棉量参数为5-20g/m2；所述棉箱B的出棉量参数为5-30g/m2。
6.根据权利要求1所述的高透水性叠层复合水刺无纺布的制备工艺，其特征在于，S3中所述上层棉网与下层棉网的重量比为(20-65％):(35-80％)。
7.根据权利要求1所述的高透水性叠层复合水刺无纺布的制备工艺，其特征在于，S3中水刺压力为10-80MPa。
8.根据权利要求1所述的高透水性叠层复合水刺无纺布的制备工艺，其特征在于，S4中所述处理液B按质量分数包括单体聚酯聚醚3-10％、水性粘合剂4-8％、乳化剂0.5-2％、PH值调节剂0.05-2％和耐高温长效抗菌剂0.02-1％，余量水。
9.根据权利要求8所述的高透水性叠层复合水刺无纺布的制备工艺，其特征在于，所述耐高温长效抗菌剂为胍类抗菌剂、纳米银、苯扎氯铵、对氯间二甲苯酚的一种或多种。
10.一种高透水抗菌性卫生巾，其特征在于，采用权利要求1至9任一项所述的高透水性叠层复合水刺无纺布的制备工艺制备得到。
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