CN109016707A - 一种亲肤防侧漏卫生用品表层及其加工工艺 - Google Patents

一种亲肤防侧漏卫生用品表层及其加工工艺 Download PDF

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CN109016707A
CN109016707A CN201810374073.5A CN201810374073A CN109016707A CN 109016707 A CN109016707 A CN 109016707A CN 201810374073 A CN201810374073 A CN 201810374073A CN 109016707 A CN109016707 A CN 109016707A
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nonwoven cloth
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董二莹
王松
陈健康
金银山
许超超
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ZHEJIANG KINGSAFE NOW-WOVEN Co Ltd
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Abstract

本发明公开了一种亲肤防侧漏卫生用品表层，由上下两层无纺布复合而成，上层为亲肤的热风无纺布，下层为全棉水刺无纺布，所述热风无纺布和全棉水刺无纺布通过水刺复合为一体。本发明采用由ES纤维构成的热风无纺布为上层，全棉水刺无纺布为下层，通过水刺复合，ES纤维和棉纤维的交织能促使液体快速的下渗，保证了热风无纺布亲肤面的干爽，同时，棉纤维吸收的液体会定向转移到卫生用品的吸湿层，进一步保证了对液体的吸收效率，确保了表层亲肤面的干爽，同时防止了液体的侧漏，本发明还通过双面水刺加固工艺进行复合，保证了热风无纺布与全棉水刺无纺布的缠结强力，同时提高了无纺布的均匀性，并采用两次柔和烘干，保证了非织造布的柔软亲肤性能。

Description

一种亲肤防侧漏卫生用品表层及其加工工艺
【技术领域】
本发明涉及卫生用品表层的技术领域，特别涉及一种亲肤防侧漏卫生用品表层及其加工工艺。
【背景技术】
妇女经期用卫生巾、卫生护垫，婴儿、老年人用尿裤、尿布(垫、纸)、隔尿垫等，这些都属于卫生用品。质量及服用舒适性直接决定了卫生用品给人们的体检感觉。一般卫生用品包括表层、导湿层、吸湿芯层和透气底膜。传统的卫生用品表层采用热风或者纺粘非织造布，但是传统的热风和纺粘非织造布吸湿性保湿性好会导致表面不干爽造成皮肤红疹现象，吸湿性差会造成卫生用品侧漏等问题，为解决这一难题，有必要提出一种亲肤防侧漏卫生用品表层及其加工工艺。
【发明内容】
本发明的目的在于克服上述现有技术的不足，提供一种亲肤防侧漏卫生用品表层，其旨在解决现有技术中传统的热风和纺粘非织造布吸湿性保湿性好会导致表面不干爽造成皮肤红疹现象，吸湿性差会造成卫生用品侧漏的技术问题。
为实现上述目的，本发明提出了一种亲肤防侧漏卫生用品表层，由上下两层无纺布复合而成，上层为亲肤的热风无纺布，下层为全棉水刺无纺布，所述的热风无纺布和全棉水刺无纺布通过水刺复合为一体。
作为优选，所述的热风无纺布的克重为12～20g/m2，所述的全棉水刺无纺布的克重为23～35g/m2。
作为优选，所述的热风无纺布采用ES纤维为原料，所述的ES纤维的芯层采用高熔点的PP或高熔点的PET，皮层采用低熔点的PE，所述的ES纤维的细度在1.2D以下，所述的ES纤维具有一定的吸水性。
作为优选，所述的全棉水刺无纺布所用的棉纤维采用正常成熟、正常吐絮的白棉。
本发明还提出了一种亲肤防侧漏卫生用品表层的加工工艺，包括如下步骤：
S1、采用高熔点的PP或高熔点的PET作为芯层原料，低熔点的PE作为皮层原料，经熔融纺丝得到ES纤维，冷却牵伸后选用细度在1.2D以下的ES纤维依此铺叠、热风粘合成热风无纺布，备用；
S2、选用正常成熟、正常吐絮的白棉，依次经两次开松、高度杂乱处理、成网、铺网成全棉纤网，通过水刺加固工艺以及柔和烘干后得到全棉水刺无纺布，备用；
S3、将热风无纺布与全棉水刺无纺布通过水刺加固工艺复合成复合无纺布；
S4、复合无纺布采用两次柔和烘干处理进行干燥，得到复合无纺布成品；
S5、复合无纺布成品通过卷绕机卷绕成卷。
作为优选，所述的S2中两次开松采用先粗开松，后精开松的方式进行处理；
所述的高度杂乱处理采用高速杂乱梳理机上的组合式杂乱机构进行高度杂乱处理，所述的组合式杂乱机构采用双杂乱辊+双道夫+两对凝聚罗拉的组合形式；
所述的成网方式采用梳理成网或者气流成网；
所述的铺网采用平行铺网、半交叉铺网或交叉铺网中的一种。
作为优选，所述的S3中水刺加固工艺采用双面水刺加固工艺，水刺压力为80～100bar。
作为优选，所述的S4中两次柔和烘干处理采用先圆网热风穿透烘燥后烘筒式烘燥，所述的圆网热风穿透烘燥的温度控制在140～150℃，烘筒式烘燥的温度控制在120～130℃。
作为优选，所述的S4中在干燥后，复合无纺布亦可以选择打孔处理。
本发明的有益效果：与现有技术相比，本发明提供的一种亲肤防侧漏卫生用品表层，采用由ES纤维构成的热风无纺布为上层，全棉水刺无纺布为下层，通过水刺复合，ES纤维和棉纤维的交织能促使液体快速的下渗，保证了热风无纺布亲肤面的干爽，同时，棉纤维吸收的液体会定向转移到卫生用品的吸湿层，进一步保证了对液体的吸收效率，确保了卫生用品表层亲肤面的干爽，同时防止了液体的侧漏，本发明还通过双面水刺加固工艺进行复合，保证了热风无纺布与全棉水刺无纺布的缠结强力，同时提高了无纺布的均匀性，并采用两次柔和烘干，保证了非织造布的柔软亲肤性能。
本发明的特征及优点将通过实施例结合附图进行详细说明。
【附图说明】
图1是本发明实施例一种亲肤防侧漏卫生用品表层的层状示意图。
图中：1-热风无纺布、2-全棉水刺无纺布。
【具体实施方式】
为使本发明的目的、技术方案和优点更加清楚明了，下面通过附图及实施例，对本发明进行进一步详细说明。但是应该理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限制本发明的范围。此外，在以下说明中，省略了对公知结构和技术的描述，以避免不必要地混淆本发明的概念。
参阅图1，本发明实施例提供一种亲肤防侧漏卫生用品表层，由上下两层无纺布复合而成，上层为亲肤的热风无纺布1，下层为全棉水刺无纺布2，所述的热风无纺布1和全棉水刺无纺布2通过水刺复合为一体。
进一步地，所述的热风无纺布1的克重为12～20g/m2，所述的全棉水刺无纺布2的克重为23～35g/m2；所述的热风无纺布1采用ES纤维为原料，所述的ES纤维的芯层采用高熔点的PP或高熔点的PET，皮层采用低熔点的PE，所述的ES纤维的细度在1.2D以下；所述的全棉水刺无纺布2所用的棉纤维采用正常成熟、正常吐絮的白棉。
在本发明实施例中，上层的热风无纺布1采用ES纤维，ES纤维本身具有一定的亲水性，并且ES纤维卷曲度高，生产的非织造布具有蓬松、柔软、亲肤、弹性好等优点，纤维的蓬松、弹性好的特点保证了卫生用品表层的干爽性；下层的全棉水刺无纺布2采用正常成熟、正常吐絮的天然植物棉纤维，对皮肤安全无刺激，而且棉纤维能快速吸水，防止尿液侧漏。
本发明实施例还提出了一种亲肤防侧漏卫生用品表层的加工工艺，包括如下步骤：
S1、采用高熔点的PP或高熔点的PET作为芯层原料，低熔点的PE作为皮层原料，经熔融纺丝得到ES纤维，冷却牵伸后选用细度在1.2D以下的ES纤维依此铺叠、热风粘合成热风无纺布1，备用。
S2、选用正常成熟、正常吐絮的白棉，依次经两次开松、高度杂乱处理、成网、铺网成全棉纤网，通过水刺加固工艺以及柔和烘干后得到全棉水刺无纺布2，备用。
其中，两次开松采用先粗开松，后精开松的方式进行处理；高度杂乱处理采用高速杂乱梳理机上的组合式杂乱机构进行高度杂乱处理，所述的组合式杂乱机构采用双杂乱辊+双道夫+两对凝聚罗拉的组合形式；成网方式采用梳理成网或者气流成网；铺网采用平行铺网、半交叉铺网或交叉铺网中的一种。
在本发明实施例中，采用组合式杂乱机构进行高度杂乱处理，满足生产速率好杂乱效果的要求，且成网后的均匀性高，减小纵横向的强力比值，各向异性小。
S3、将热风无纺布1与全棉水刺无纺布2通过水刺加固工艺复合成复合无纺布。
其中，水刺加固工艺采用双面水刺加固工艺，水刺压力为80～100bar，提高无纺布的缠结强力和均匀性。
S4、复合无纺布采用两次柔和烘干处理进行干燥，得到复合无纺布成品。
其中，两次柔和烘干处理采用先圆网热风穿透烘燥后烘筒式烘燥，所述的圆网热风穿透烘燥的温度控制在140～150℃，烘筒式烘燥的温度控制在120～130℃，采用两次柔和烘干处理，保证了非织造布的柔软亲肤性能。
进一步地，在干燥后，还可根据实际选择，复合无纺布进行打孔处理或不打孔处理。
S5、复合无纺布成品通过卷绕机卷绕成卷。
本发明一种亲肤防侧漏卫生用品表层，采用由ES纤维构成的热风无纺布1为上层，全棉水刺无纺布2为下层，通过水刺复合，ES纤维和棉纤维的交织能促使液体快速的下渗，保证了热风无纺布亲肤面的干爽，同时，棉纤维吸收的液体会定向转移到卫生用品的吸湿层，进一步保证了对液体的吸收效率，确保了卫生用品表层亲肤面的干爽，同时防止了液体的侧漏，本发明还通过双面水刺加固工艺进行复合，保证了热风无纺布1与全棉水刺无纺布2的缠结强力，同时提高了无纺布的均匀性，并采用两次柔和烘干，保证了非织造布的柔软亲肤性能。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换或改进等，均应包含在本发明的保护范围之内。

Claims (9)

1.一种亲肤防侧漏卫生用品表层，其特征在于：由上下两层无纺布复合而成，上层为亲肤的热风无纺布(1)，下层为全棉水刺无纺布(2)，所述的热风无纺布(1)和全棉水刺无纺布(2)通过水刺复合为一体。
2.如权利要求1所述的一种亲肤防侧漏卫生用品表层，其特征在于：所述的热风无纺布(1)的克重为12～20g/m2，所述的全棉水刺无纺布(2)的克重为23～35g/m2。
3.如权利要求1所述的一种亲肤防侧漏卫生用品表层，其特征在于：所述的热风无纺布(1)采用ES纤维为原料，所述的ES纤维的芯层采用高熔点的PP或高熔点的PET，皮层采用低熔点的PE，所述的ES纤维的细度在1.2D以下。
4.如权利要求1所述的一种亲肤防侧漏卫生用品表层，其特征在于：所述的全棉水刺无纺布(2)所用的棉纤维采用正常成熟、正常吐絮的白棉。
5.一种亲肤防侧漏卫生用品表层的加工工艺，其特征在于：包括如下步骤：
S1、采用高熔点的PP或高熔点的PET作为芯层原料，低熔点的PE作为皮层原料，经熔融纺丝得到ES纤维，冷却牵伸后选用细度在1.2D以下的ES纤维依此铺叠、热风粘合成热风无纺布(1)，备用；
S2、选用正常成熟、正常吐絮的白棉，依次经两次开松、高度杂乱处理、成网、铺网成全棉纤网，通过水刺加固工艺以及柔和烘干后得到全棉水刺无纺布(2)，备用；
S3、将热风无纺布(1)与全棉水刺无纺布(2)通过水刺加固工艺复合成复合无纺布；
S4、复合无纺布采用两次柔和烘干处理进行干燥，得到复合无纺布成品；
S5、复合无纺布成品通过卷绕机卷绕成卷。
6.如权利要求5所述的一种亲肤防侧漏卫生用品表层的加工工艺，其特征在于：所述的S2中两次开松采用先粗开松，后精开松的方式进行处理；
所述的高度杂乱处理采用高速杂乱梳理机上的组合式杂乱机构进行高度杂乱处理，所述的组合式杂乱机构采用双杂乱辊+双道夫+两对凝聚罗拉的组合形式；
所述的成网方式采用梳理成网或者气流成网；
所述的铺网采用平行铺网、半交叉铺网或交叉铺网中的一种。
7.如权利要求5所述的一种亲肤防侧漏卫生用品表层的加工工艺，其特征在于：所述的S3中水刺加固工艺采用双面水刺加固工艺，水刺压力为80～100bar。
8.如权利要求5所述的一种亲肤防侧漏卫生用品表层的加工工艺，其特征在于：所述的S4中两次柔和烘干处理采用先圆网热风穿透烘燥后烘筒式烘燥，所述的圆网热风穿透烘燥的温度控制在140～150℃，烘筒式烘燥的温度控制在120～130℃。
9.如权利要求5所述的一种亲肤防侧漏卫生用品表层的加工工艺，其特征在于：所述的S4中在干燥后，复合无纺布还可以选择打孔处理。
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