CN106236393A - 一种利于液体均布的高吸收性卫生巾 - Google Patents

一种利于液体均布的高吸收性卫生巾 Download PDF

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CN106236393A
CN106236393A CN201610824875.2A CN201610824875A CN106236393A CN 106236393 A CN106236393 A CN 106236393A CN 201610824875 A CN201610824875 A CN 201610824875A CN 106236393 A CN106236393 A CN 106236393A
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uniform
sanitary towel
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韩海星
陈奎
刘炳玲
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Tianjin Sinosh New Material Technology Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47Sanitary towels, incontinence pads or napkins
    • A61F13/472Sanitary towels, incontinence pads or napkins specially adapted for female use
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15463Absorbency
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530708Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530708Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
    • A61F2013/530715Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the acquisition rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530481Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530708Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
    • A61F2013/530737Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the absorbent capacity

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Abstract

本发明提供了一种利于液体均布的高吸收性卫生巾,包括从上至下依次设置的面层、导流层、包覆层和底层;所述导流层为上表面中间高边缘低的连续弧形面;所述导流层上表面中间部位开有“十”字缝;所述包覆层内设有吸收芯体;所述包覆层由吸水纸构成,所述吸水纸包括从上至下依次设置的上隔离层、吸收层和下隔离层;所述吸收层包括若干间隔设置的SAP吸收单元和间隙单元;所述SAP吸收单元阵列分布。本发明所述的一种利于液体均布的高吸收性卫生巾,液体分布均匀,吸收性好,干爽舒适度高。

Description

一种利于液体均布的高吸收性卫生巾
技术领域
本发明属于一次性卫生用品领域,尤其是涉及一种利于液体均布的高吸收性卫生巾。
背景技术
随着消费观念的改变及生活品质的提升,现代女性对于卫生用品的追求越来越高,特别是对于经期所使用的卫生巾,功能和舒适性作为选择产品的重要因素,而卫生巾薄型化无疑是一个发展趋势。目前卫生巾的吸收芯层一般是由绒毛浆和高分子吸水树脂(SAP)组成,要实现卫生巾薄型化,就需减少绒毛浆用量,但在在降低厚度的同时,为了保证卫生巾的吸收量,不得不加入大量的SAP。但是SAP的分布均匀性很难得到控制,吸液后芯层会变得凹凸不平,还有可能发生吸收芯体断裂现象,影响产品的吸收量和液体下渗速度,也降低了整个卫生间的干爽舒适性能。
发明内容
有鉴于此,本发明旨在提出一种利于液体均布的高吸收性卫生巾,以克服现有技术中的缺陷,既可提高SAP含量,又可使SAP均匀分布,还可提高干爽舒适性。
为达到上述目的,本发明的技术方案是这样实现的:
一种利于液体均布的高吸收性卫生巾,包括从上至下依次设置的面层、导流层、包覆层和底层;所述导流层为上表面中间高边缘低的连续弧形面;所述导流层上表面中间部位开有“十”字缝;所述包覆层内设有吸收芯体;所述包覆层由吸水纸构成,所述吸水纸包括从上至下依次设置的上隔离层、吸收层和下隔离层;所述吸收层包括若干间隔设置的SAP吸收单元和间隙单元;所述SAP吸收单元阵列分布。
进一步的,所述吸收芯体位于所述下隔离层和吸收层之间;所述吸收芯体位于所述吸收层下方正中间,且吸收芯体长度为所述吸收层长度的3/4-9/10;所述吸收芯体上表面设有若干锥形孔;所述吸水纸的厚度为0.1-0.5mm。
进一步的,所述SAP吸收单元外围均是间隙单元。
进一步的,所述相邻两个SAP吸收单元在所述吸收层同一横截面上的接触为点接触;所述相邻两个间隙单元在所述吸收层同一横截面上的接触为点接触。
进一步的,所述吸收层层内边沿处均为间隙单元。
进一步的,所述SAP吸收单元和间隙单元均在所述吸收层内沿长度方向上的分布数量大于它们在所述吸收层内沿宽度方向上的分布数量。
进一步的,所述SAP吸收单元和间隙单元均贯穿所述吸收层的上表面和下表面,且均沿所述吸收层厚度方向连续分布。
进一步的,所述SAP吸收单元的横截面形状为菱形、正方形、圆形、三角形、椭圆形或平行四边形中的两种以上。
进一步的,所述面层、导流层、包覆层和底层各层之间经胶合或热结合在一起。
相对于现有技术,本发明所述的一种利于液体均布的高吸收性卫生巾具有以下优势:
本发明所述的一种利于液体均布的高吸收性卫生巾,由于包覆层包含SAP吸收单元,进一步提高了吸收性制品SAP含量,有效提升吸收容量;将SAP吸收单元阵列排布,且SAP吸收单元间包含有可使液体通过的间隙单元,当吸收液体溶胀后,可有效保持液体至吸收芯体的扩散通道;此外,将导流层上表面设置成中间高边缘低的连续弧形面,且在该面中间开“十”字缝,有利于液体均匀流向包覆层的各个角落;在吸收芯体上表面设置若干锥形孔,可增大液体从吸收层下流的速度,提高整个卫生巾的干爽舒适性。
附图说明
构成本发明的一部分的附图用来提供对本发明的进一步理解,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1为本发明实施例所述的一种利于液体均布的高吸收性卫生巾纵截面结构示意图;
图2为本发明实施例所述的一种利于液体均布的高吸收性卫生巾吸收层纵截面结构示意图;
图3为本发明实施例所述的一种利于液体均布的高吸收性卫生巾吸收层横截面剖视示意图;
图4为本发明实施例所述的一种利于液体均布的高吸收性卫生巾导流层的简单俯视图。
附图标记说明:
1-面层;2-导流层;3-包覆层;31-上隔离层;32-吸收层;33-下隔离层;321-SAP吸收单元;322-间隙单元;4-底层;5-吸收芯体。
具体实施方式
需要说明的是,在不冲突的情况下,本发明中的实施例及实施例中的特征可以相互组合。
在本发明的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、“第二”等仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”等的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中,除非另有说明,“多个”的含义是两个或两个以上。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通。对于本领域的普通技术人员而言,可以通过具体情况理解上述术语在本发明中的具体含义。
下面将参考附图并结合实施例来详细说明本发明。
如图1、图2、图3和图4所示,一种利于液体均布的高吸收性卫生巾,包括从上至下依次设置的面层、导流层、包覆层和底层;所述导流层为上表面中间高边缘低的连续弧形面;所述导流层上表面中间部位开有“十”字缝;所述包覆层内设有吸收芯体;所述包覆层由吸水纸构成,所述吸水纸包括从上至下依次设置的上隔离层、吸收层和下隔离层;所述吸收层包括若干间隔设置的SAP吸收单元和间隙单元;所述SAP吸收单元阵列分布。
所述吸收芯体位于所述下隔离层和吸收层之间;所述吸收芯体位于所述吸收层下方正中间,且吸收芯体长度为所述吸收层长度的3/4-9/10;所述吸收芯体上表面设有若干锥形孔;所述吸水纸的厚度为0.15mm。
所述SAP吸收单元321外围均是间隙单元322。
所述相邻两个SAP吸收单元321在所述吸收层32同一横截面上的接触为点接触;所述相邻两个间隙单元322在所述吸收层32同一横截面上的接触为点接触。
所述吸收层32层内边沿处均为间隙单元322。
所述SAP吸收单元321和间隙单元322均在所述吸收层32内沿长度方向上的分布数量大于它们在所述吸收层32内沿宽度方向上的分布数量。
所述SAP吸收单元321和间隙单元322均贯穿所述吸收层32的上表面和下表面,且均沿所述吸收层32厚度方向连续分布。
所述相邻两SAP吸收单元31的横截面形状为正方形和圆形。
所述面层1、导流层2、包覆层3和底层4各层之间经胶合在一起。
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、改进等,均应包含在本发明的保护范围之内。

Claims (9)

1.一种利于液体均布的高吸收性卫生巾,其特征在于:包括从上至下依次设置的面层(1)、导流层(2)、包覆层(3)和底层(4);所述导流层(2)为上表面中间高边缘低的连续弧形面;所述导流层(2)上表面中间部位开有“十”字缝;所述包覆层(3)内设有吸收芯体(5);所述包覆层(3)由吸水纸构成,所述吸水纸包括从上至下依次设置的上隔离层(31)、吸收层(32)和下隔离层(33);所述吸收层(32)包括若干间隔设置的SAP吸收单元(321)和间隙单元(322);所述SAP吸收单元(321)阵列分布。
2.根据权利要求1所述的一种利于液体均布的高吸收性卫生巾,其特征在于:所述吸收芯体(5)位于所述下隔离层(33)和吸收层(32)之间;所述吸收芯体(5)位于所述吸收层下方正中间,且吸收芯体(5)长度为所述吸收层长度的3/4-9/10;所述吸收芯体(5)上表面设有若干锥形孔;所述吸水纸的厚度为0.1-0.5mm。
3.根据权利要求1所述的一种利于液体均布的高吸收性卫生巾,其特征在于:所述SAP吸收单元(321)外围均是间隙单元(322)。
4.根据权利要求1所述的一种利于液体均布的高吸收性卫生巾,其特征在于:所述相邻两个SAP吸收单元(321)在所述吸收层(32)同一横截面上的接触为点接触;所述相邻两个间隙单元(322)在所述吸收层(32)同一横截面上的接触为点接触。
5.根据权利要求1所述的一种利于液体均布的高吸收性卫生巾,其特征在于:所述吸收层(32)层内边沿处均为间隙单元(322)。
6.根据权利要求1所述的一种利于液体均布的高吸收性卫生巾,其特征在于:所述SAP吸收单元(321)和间隙单元(322)均在所述吸收层(32)内沿长度方向上的分布数量大于它们在所述吸收层(32)内沿宽度方向上的分布数量。
7.根据权利要求1至6任意一项所述的一种利于液体均布的高吸收性卫生巾,其特征在于:所述SAP吸收单元(321)和间隙单元(322)均贯穿所述吸收层(32)的上表面和下表面,且均沿所述吸收层(32)厚度方向连续分布。
8.根据权利要求7所述的一种利于液体均布的高吸收性卫生巾,其特征在于:所述SAP吸收单元(321)的横截面形状为菱形、正方形、圆形、三角形、椭圆形或平行四边形中的两种以上。
9.根据权利要求1所述的一种利于液体均布的高吸收性卫生巾,其特征在于:所述面层(1)、导流层(2)、包覆层(3)和底层(4)各层之间经胶合或热结合在一起。
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