CN107280865A - 一种薄型柔软复合芯体纸尿裤及其制备方法 - Google Patents

一种薄型柔软复合芯体纸尿裤及其制备方法 Download PDF

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CN107280865A
CN107280865A CN201710308684.5A CN201710308684A CN107280865A CN 107280865 A CN107280865 A CN 107280865A CN 201710308684 A CN201710308684 A CN 201710308684A CN 107280865 A CN107280865 A CN 107280865A
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严华荣
葛钶
钱连军
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Zhejiang Care Products Technology Co Ltd
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Abstract

本发明公开了一种薄型柔软复合芯体纸尿裤，包括弹性透水层、渗透锁水层、除湿锁水层，所述弹性透水层为多孔的热风无纺布层，所述渗透锁水层为亲水无纺布层，所述除湿锁水层为加厚亲水无纺布层，所述弹性透水层和渗透锁水层通过水刺复合整理在一起，所述除湿锁水层和渗透锁水层通过垫纱交织在一起。本发明能够使纸尿裤在保持吸水特性的同时，还具备锁水效果，防止吸收液体反渗，纸尿裤表层具备一定弹性，柔软舒适性也随之提高。

Description

一种薄型柔软复合芯体纸尿裤及其制备方法
【技术领域】
本发明涉及纸尿裤制造的技术领域，特别是一种薄型柔软复合芯体纸尿裤及其制备方法的技术领域。
【背景技术】
纸尿裤的用户群体主要有婴儿与成年人两大类。其中中国市场主要为婴儿纸尿裤，中国每年有近2000万的婴纸尿裤儿出生，使用尿裤的0岁至2岁的婴儿达到4000多万。而根据国家***的数据：2008年全国60岁以上人口达到1.599亿人，占总人口的12％；65岁以上的老年人口达到1.096亿人占总人口的8.3％。一般纸尿裤采用三层芯体均为无尘纸，虽然无尘纸具有较好的吸水效果，但是锁水性不佳，导致在使用过程中容易产生渗漏或二次与皮肤接触，影响纸尿裤的使用效果。
【发明内容】
本发明的目的就是解决现有技术中的问题，提出一种薄型柔软复合芯体纸尿裤及其制备方法，能够使纸尿裤在保持吸水特性的同时，还具备锁水效果，防止吸收液体反渗，纸尿裤表层具备一定弹性，柔软舒适性也随之提高。
为实现上述目的，本发明提出了一种薄型柔软复合芯体纸尿裤，包括弹性透水层、渗透锁水层、除湿锁水层，所述弹性透水层为多孔的热风无纺布层，所述渗透锁水层为亲水无纺布层，所述除湿锁水层为加厚亲水无纺布层，所述弹性透水层和渗透锁水层通过水刺复合整理在一起，所述除湿锁水层和渗透锁水层通过垫纱交织在一起。
作为优选，所述弹性透水层上均匀密集分布有50～70目的透水孔，所述渗透锁水层的顶部与透水孔紧密接触。
作为优选，所述弹性透水层由以下质量分数的各组分组成：PA胶20％～30％、热熔性纤维30％～40％、竹炭纤维30％～40％；所述弹性透水层的质量密度为50～60g/㎡。
作为优选，所述渗透锁水层采用棉纤维、亲水母料制成，所述除湿锁水层采用棉纤维、热熔性纤维制成，所述垫纱为密集圆孔垫纱，所述垫纱的数量至少有两块，所述垫纱复合缝制在渗透锁水层和除湿锁水层之间。
本发明一种薄型柔软复合芯体纸尿裤的制备方法，依次包括以下步骤：
步骤一：弹性透水层的制备：选用以下质量分数的各组分：PA胶20％～30％、热熔性纤维30％～40％、竹炭纤维30％～40％组成混料，将混料熔融过滤后通过螺杆挤出机送入计量泵，计量泵将混料以一定的压力连续均匀送入纺丝箱，纺丝箱将混料制成混料纤维，对混料纤维进行开松梳理，将梳理好的混料纤维通过热成型粘合在一起形成纤网结构的无纺布，并且同时在热风无纺布上均匀的打出50～70目的透水孔，完成弹性透水层的制备；
步骤二：渗透锁水层的制备：选择所需要的纯棉原料，向纯棉原料中添加适量的亲水母料组成混料纤维，对混料纤维进行多层、不同方向的交叉铺放，并进行一定的牵伸加固，得到含棉纤维网，对含棉纤维网进行水刺处理，使含棉纤维之间相互缠结，形成含棉布网，利用轧车挤出含棉布网中的水分，对含棉布网进行漂煮，对漂煮后的含棉布网进行布幅整形，对布幅整形后的含棉布网进行二次水刺并烘干处理，浸没在拒水整理液中，采用二浸二轧工艺进行浸轧，并在含棉水刺布上均匀的打出50～70目的透水孔，最后依次经烘干、烘焙，得到渗透锁水层；
步骤三：除湿锁水层的制备：对得到的纯棉原料添加适量的热熔性纤维进行多层、不同方向的交叉铺放，并进行一定的牵伸加固，得到含棉纤维网，对含棉纤维网进行水刺处理，使含棉纤维之间相互缠结，形成含棉布网，利用轧车挤出含棉布网中的水分，对含棉布网进行漂煮，对漂煮后的含棉布网进行布幅整形，制成除湿锁水层；
步骤四：水刺复合处理：将弹性透水层叠合在渗透锁水层上，形成复合布料，对复合布料进行水刺并烘干处理，得到半成品；
步骤五：垫纱缝合处理：在除湿锁水层的顶部垫多层密集圆孔垫纱，将半成品叠合在除湿锁水层，采用30D/24F涤纶低弹丝将半成品和除湿锁水层的边缘均匀缝合在一起，垫纱隐藏在缝合部位内，得到成品；
步骤六：收卷送检：将步骤五制备的含棉无纺布进行收卷裁切，并选择样品送检，送检样品合格后包装入库。
本发明的有益效果：本发明采用亲水水刺无纺布代替无尘纸芯体，一般纸尿裤采用三层芯体均为无尘纸，创新采用以水刺亲水无纺布代替中下层无尘纸芯体，以热风无纺布代替上层无尘纸芯体，相对于无尘纸单一的吸水特性，亲水无纺布在具有可调吸水量的同时还具备无尘纸所不具备的锁水效果，防止吸收液体反渗。而表层采用的热风无纺布使纸尿裤表面具备一定弹性，柔软舒适性也随之提高。
本发明的特征及优点将通过实施例进行详细说明。
【具体实施方式】
本发明一种薄型柔软复合芯体纸尿裤，包括弹性透水层、渗透锁水层、除湿锁水层，所述弹性透水层为多孔的热风无纺布层，所述渗透锁水层为亲水无纺布层，所述除湿锁水层为加厚亲水无纺布层，所述弹性透水层和渗透锁水层通过水刺复合整理在一起，所述除湿锁水层和渗透锁水层通过垫纱交织在一起，所述弹性透水层上均匀密集分布有50～70目的透水孔，所述渗透锁水层的顶部与透水孔紧密接触，所述弹性透水层由以下质量分数的各组分组成：PA胶20％～30％、热熔性纤维30％～40％、竹炭纤维30％～40％；所述弹性透水层的质量密度为50～60g/㎡，所述渗透锁水层采用棉纤维、亲水母料制成，所述除湿锁水层采用棉纤维、热熔性纤维制成，所述垫纱为密集圆孔垫纱，所述垫纱的数量至少有两块，所述垫纱复合缝制在渗透锁水层和除湿锁水层之间。
本发明一种薄型柔软复合芯体纸尿裤的制备方法，依次包括以下步骤：
步骤一：弹性透水层的制备：选用以下质量分数的各组分：PA胶20％～30％、热熔性纤维30％～40％、竹炭纤维30％～40％组成混料，将混料熔融过滤后通过螺杆挤出机送入计量泵，计量泵将混料以一定的压力连续均匀送入纺丝箱，纺丝箱将混料制成混料纤维，对混料纤维进行开松梳理，将梳理好的混料纤维通过热成型粘合在一起形成纤网结构的无纺布，并且同时在热风无纺布上均匀的打出50～70目的透水孔，完成弹性透水层的制备；
步骤二：渗透锁水层的制备：选择所需要的纯棉原料，向纯棉原料中添加适量的亲水母料组成混料纤维，对混料纤维进行多层、不同方向的交叉铺放，并进行一定的牵伸加固，得到含棉纤维网，对含棉纤维网进行水刺处理，使含棉纤维之间相互缠结，形成含棉布网，利用轧车挤出含棉布网中的水分，对含棉布网进行漂煮，对漂煮后的含棉布网进行布幅整形，对布幅整形后的含棉布网进行二次水刺并烘干处理，浸没在拒水整理液中，采用二浸二轧工艺进行浸轧，并在含棉水刺布上均匀的打出50～70目的透水孔，最后依次经烘干、烘焙，得到渗透锁水层；
步骤三：除湿锁水层的制备：对得到的纯棉原料添加适量的热熔性纤维进行多层、不同方向的交叉铺放，并进行一定的牵伸加固，得到含棉纤维网，对含棉纤维网进行水刺处理，使含棉纤维之间相互缠结，形成含棉布网，利用轧车挤出含棉布网中的水分，对含棉布网进行漂煮，对漂煮后的含棉布网进行布幅整形，制成除湿锁水层；
步骤四：水刺复合处理：将弹性透水层叠合在渗透锁水层上，形成复合布料，对复合布料进行水刺并烘干处理，得到半成品；
步骤五：垫纱缝合处理：在除湿锁水层的顶部垫多层密集圆孔垫纱，将半成品叠合在除湿锁水层，采用30D/24F涤纶低弹丝将半成品和除湿锁水层的边缘均匀缝合在一起，垫纱隐藏在缝合部位内，得到成品；
步骤六：收卷送检：将步骤五制备的含棉无纺布进行收卷裁切，并选择样品送检，送检样品合格后包装入库。
本发明采用亲水水刺无纺布代替无尘纸芯体，一般纸尿裤采用三层芯体均为无尘纸，创新采用以水刺亲水无纺布代替中下层无尘纸芯体，以热风无纺布代替上层无尘纸芯体，相对于无尘纸单一的吸水特性，亲水无纺布在具有可调吸水量的同时还具备无尘纸所不具备的锁水效果，防止吸收液体反渗。而表层采用的热风无纺布使纸尿裤表面具备一定弹性，柔软舒适性也随之提高。
上述实施例是对本发明的说明，不是对本发明的限定，任何对本发明简单变换后的方案均属于本发明的保护范围。

Claims (5)

1.一种薄型柔软复合芯体纸尿裤，其特征在于：包括弹性透水层、渗透锁水层、除湿锁水层，所述弹性透水层为多孔的热风无纺布层，所述渗透锁水层为亲水无纺布层，所述除湿锁水层为加厚亲水无纺布层，所述弹性透水层和渗透锁水层通过水刺复合整理在一起，所述除湿锁水层和渗透锁水层通过垫纱交织在一起。
2.如权利要求1所述的一种薄型柔软复合芯体纸尿裤，其特征在于：所述弹性透水层上均匀密集分布有50～70目的透水孔，所述渗透锁水层的顶部与透水孔紧密接触。
3.如权利要求1所述的一种薄型柔软复合芯体纸尿裤，其特征在于：所述弹性透水层由以下质量分数的各组分组成：PA胶20％～30％、热熔性纤维30％～40％、竹炭纤维30％～40％；所述弹性透水层的质量密度为50～60g/㎡。
4.如权利要求1所述的一种薄型柔软复合芯体纸尿裤，其特征在于：所述渗透锁水层采用棉纤维、亲水母料制成，所述除湿锁水层采用棉纤维、热熔性纤维制成，所述垫纱为密集圆孔垫纱，所述垫纱的数量至少有两块，所述垫纱复合缝制在渗透锁水层和除湿锁水层之间。
5.一种薄型柔软复合芯体纸尿裤的制备方法，其特征在于：依次包括以下步骤：
步骤一：弹性透水层的制备：选用以下质量分数的各组分：PA胶20％～30％、热熔性纤维30％～40％、竹炭纤维30％～40％组成混料，将混料熔融过滤后通过螺杆挤出机送入计量泵，计量泵将混料以一定的压力连续均匀送入纺丝箱，纺丝箱将混料制成混料纤维，对混料纤维进行开松梳理，将梳理好的混料纤维通过热成型粘合在一起形成纤网结构的无纺布，并且同时在热风无纺布上均匀的打出50～70目的透水孔，完成弹性透水层的制备；
步骤二：渗透锁水层的制备：选择所需要的纯棉原料，向纯棉原料中添加适量的亲水母料组成混料纤维，对混料纤维进行多层、不同方向的交叉铺放，并进行一定的牵伸加固，得到含棉纤维网，对含棉纤维网进行水刺处理，使含棉纤维之间相互缠结，形成含棉布网，利用轧车挤出含棉布网中的水分，对含棉布网进行漂煮，对漂煮后的含棉布网进行布幅整形，对布幅整形后的含棉布网进行二次水刺并烘干处理，浸没在拒水整理液中，采用二浸二轧工艺进行浸轧，并在含棉水刺布上均匀的打出50～70目的透水孔，最后依次经烘干、烘焙，得到渗透锁水层；
步骤三：除湿锁水层的制备：对得到的纯棉原料添加适量的热熔性纤维进行多层、不同方向的交叉铺放，并进行一定的牵伸加固，得到含棉纤维网，对含棉纤维网进行水刺处理，使含棉纤维之间相互缠结，形成含棉布网，利用轧车挤出含棉布网中的水分，对含棉布网进行漂煮，对漂煮后的含棉布网进行布幅整形，制成除湿锁水层；
步骤四：水刺复合处理：将弹性透水层叠合在渗透锁水层上，形成复合布料，对复合布料进行水刺并烘干处理，得到半成品；
步骤五：垫纱缝合处理：在除湿锁水层的顶部垫多层密集圆孔垫纱，将半成品叠合在除湿锁水层，采用30D/24F涤纶低弹丝将半成品和除湿锁水层的边缘均匀缝合在一起，垫纱隐藏在缝合部位内，得到成品；
步骤六：收卷送检：将步骤五制备的含棉无纺布进行收卷裁切，并选择样品送检，送检样品合格后包装入库。
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