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CN112438838A - 一种卫生吸水芯体及其制备方法 - Google Patents

一种卫生吸水芯体及其制备方法 Download PDF

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CN112438838A
CN112438838A CN201910795131.6A CN201910795131A CN112438838A CN 112438838 A CN112438838 A CN 112438838A CN 201910795131 A CN201910795131 A CN 201910795131A CN 112438838 A CN112438838 A CN 112438838A
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water
melting
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董金顿
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Fujian Qibang New Material Co ltd
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    • AHUMAN NECESSITIES
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    • A61F13/15577Apparatus or processes for manufacturing
    • A61F13/15617Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
    • AHUMAN NECESSITIES
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    • 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
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    • A61F13/534Absorbent 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 an inhomogeneous composition through the thickness of the pad
    • 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
    • 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
    • A61F2013/5307Absorbent 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 quantity or ratio of superabsorbent material
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    • 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
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    • 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
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Abstract

本发明公开了一种卫生吸水芯体及其制备方法,包括顶层1、中间层2和底层3,所述顶层1的底部设置有中间层2,所述中间层2的底部设置有底层4,所述顶层1和底层3为一种透气湿强纸,所述中间层2为高分子吸水树脂与低熔点复合短纤维混合层,制备方法,包括以下步骤,步骤一,原料准备;步骤二,顶层打底;步骤三,中间层成型;步骤四,底层覆盖;步骤五,复合成型;步骤六,检测储存;该发明,通过在顶层和底层之间设置SAP与低熔点复合短纤维混合层来增加血液、尿液水分的扩散能力,加强拉力,防止断裂,低熔点复合短纤维能快速的将血液、尿液水分扩散开,扩散后被SAP迅速吸收,快速且利用率高,加强拉力更为显著,中间层可设置不同克重的SAP层,来满足吸收水分的要求。

Description

一种卫生吸水芯体及其制备方法
技术领域
本发明涉及卫生用品技术领域,具体为一种卫生吸水芯体及其制备方法。
背景技术
卫生用品包括日化用品(洗手液、洗衣液);妇女经期卫生用品(卫生巾、卫生护垫、卫生栓);尿布等排泄物卫生用品[尿裤、尿布(垫、纸)、隔尿垫];皮肤、黏膜卫生用品(湿纸巾、卫生湿纸巾);隐形眼镜护理用品(隐形眼镜护理液、隐形眼镜保存液、隐形眼镜清洁剂);妇科卫生用品(女士抗/抑菌洗剂、阴道洗液);其他的一次性卫生用品(纸巾纸、卫生棉、化妆棉/纸/巾、手/指套 、口罩、纸质餐饮具、避孕套)等。其中尿裤、尿布(垫、纸)、隔尿垫的一个重要构件就是吸水芯体,现有的吸水芯体拉力强度不够,在使用过程中易断裂移位、结团的现象,因此设计一种卫生吸水芯体及其制备方法是十分有必要的。
发明内容
本发明的目的在于提供一种卫生吸水芯体及其制备方法,以解决上述背景技术中提出的问题。
为了解决上述技术问题,本发明提供如下技术方案:一种卫生吸水芯体,包括顶层1、中间层2和底层3,所述顶层1的底部设置有中间层2,所述中间层2的底部设置有底层4,所述顶层1和底层3为一种透气湿强纸,所述中间层2为高分子吸水树脂与低熔点复合短纤维混合层。
一种卫生吸水芯体的制备方法,包括以下步骤,步骤一,原料准备;步骤二,顶层打底;步骤三,中间层成型;步骤四,底层覆盖;步骤五,复合成型;步骤六,检测储存;
其中在上述步骤一中,按照各组分的质量百分数分别是:29-32.5%的透气湿强纸、32.5-60%的高分子吸水树脂和10-35%的低熔点复合短纤维进行选取,并按照重量百分比之和为1进行称取;
其中在上述步骤二中,选取一半的透气湿强纸平铺在工作台上;
其中在上述步骤三中,中间层成型包括以下步骤:
1)在平铺好的透气湿强纸上利用气流成型技术铺上一层低熔点复合短纤维;
2)再在熔点复合短纤维层上播撒一层高分子吸水树脂;
其中在上述步骤四中,将剩余的透气湿强纸平铺在高分子吸水树脂层上;
其中在上述步骤五中,复合成型包括以下步骤:
1)通过电热加温或导热油辊点压在步骤四中所得芯体上,使其复合成型后呈蓬松或压实网型状;
2)将复合成型的吸水芯体按照所需规格切成标准大小,并除去多余边角料;
其中在上述步骤六中,将成型的吸水芯体进行拉力测试,抗拉强度合格者包装保存,不合格者进行回收。
根据上述技术方案,所述高分子吸水树脂原料在储存时需在干燥、通风、阴凉的环境中。
根据上述技术方案,所述吸水芯体的厚度为0.2-5mm。
根据上述技术方案,所述步骤二中,工作台上位于透气湿强纸的两侧设置有隔板。
根据上述技术方案,所述步骤三1)中,低熔点复合短纤维的厚度为5mm或6mm.
根据上述技术方案,所述步骤三2)中,播撒高分子吸水树脂时避免大的气流波动。
根据上述技术方案,所述步骤五1)中,油辊的温度为80-140℃.
根据上述技术方案,所述步骤六中,抗拉强度合格标准为不低于53.4785N。
与现有技术相比,本发明所达到的有益效果是:该卫生吸水芯体及其制备方法,通过在顶层和底层之间设置SAP与低熔点复合短纤维混合层来增加血液、尿液水分的扩散能力,加强拉力,防止断裂,低熔点复合短纤维能快速的将血液、尿液水分扩散开,扩散后被SAP迅速吸收,快速且利用率高,加强拉力更为显著,中间层可设置不同克重的SAP层,来满足吸收水分的要求。
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是本发明的吸水芯体结构图;
图2是本发明的工艺立流程图;
图中:1、顶层;2、中间层;3、底层。
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。
请参阅图1-2,本发明提供一种技术方案:
实施例1:
一种卫生吸水芯体,包括顶层1、中间层2和底层3,顶层1的底部设置有中间层2,中间层2的底部设置有底层4,顶层1和底层3为一种透气湿强纸,中间层2为高分子吸水树脂与低熔点复合短纤维混合层。
一种卫生吸水芯体的制备方法,包括以下步骤,步骤一,原料准备;步骤二,顶层打底;步骤三,中间层成型;步骤四,底层覆盖;步骤五,复合成型;步骤六,检测储存;
其中在上述步骤一中,按照各组分的质量百分数分别是:32.5%的透气湿强纸、45%的高分子吸水树脂和22.5%的低熔点复合短纤维进行选取,并按照重量百分比之和为1进行称取;
其中在上述步骤二中,选取一半的透气湿强纸平铺在工作台上;
其中在上述步骤三中,中间层成型包括以下步骤:
1)在平铺好的透气湿强纸上利用气流成型技术铺上一层低熔点复合短纤维,低熔点复合短纤维的厚度为0.2mm或5mm;
2)再在低熔点复合短纤维层上播撒一层高分子吸水树脂,工作台上位于透气湿强纸的两侧设置有隔板;
其中在上述步骤四中,将剩余的透气湿强纸平铺在高分子吸水树脂层上;
其中在上述步骤五中,复合成型包括以下步骤:
1)通过电热加温或导热油辊点压在步骤四中所得芯体上,使其复合成型呈蓬松或压实网型状,油辊的温度为80-140℃;
2)将复合成型的吸水垫按照所需规格切成标准大小,并除去多余边角料;
其中在上述步骤六中,将成型的吸水芯体进行拉力测试,抗拉强度合格者包装保存,不合格者进行回收,抗拉强度合格标准为不低于53.4785N。
其中,高分子吸水树脂原料在储存时需在干燥、通风、阴凉的环境中;吸水芯体的宽度为60mm。
实施例2:
一种卫生吸水芯体,包括顶层1、中间层2和底层3,顶层1的底部设置有中间层2,中间层2的底部设置有底层4,顶层1和底层3为一种透气湿强纸,中间层2为高分子吸水树脂与低熔点复合短纤维混合层。
一种卫生吸水芯体的制备方法,包括以下步骤,步骤一,原料准备;步骤二,顶层打底;步骤三,中间层成型;步骤四,底层覆盖;步骤五,复合成型;步骤六,检测储存;
其中在上述步骤一中,按照各组分的质量百分数分别是:26.5%的透气湿强纸、40%的高分子吸水树脂和33.5%的低熔点复合短纤维进行选取,并按照重量百分比之和为1进行称取;
其中在上述步骤二中,选取一半的透气湿强纸平铺在工作台上;
其中在上述步骤三中,中间层成型包括以下步骤:
1)在平铺好的透气湿强纸上利用气流成型技术铺上一层低熔点复合短纤维,低熔点复合短纤维的长度为5mm或6mm;
2)再在低熔点复合短纤维层上播撒一层高分子吸水树脂,工作台上位于透气湿强纸的两侧设置有隔板;
其中在上述步骤四中,将剩余的透气湿强纸平铺在高分子吸水树脂层上;
其中在上述步骤五中,复合成型包括以下步骤:
1)通过电热加温或导热油辊点压在步骤四中所得垫体上,使其复合成型呈蓬松或压实网型状,油辊的温度为80-140℃;
2)将复合成型的吸水芯体按照所需规格切成标准大小,并除去多余边角料;
其中在上述步骤六中,将成型的吸水芯体进行拉力测试,抗拉强度合格者包装保存,不合格者进行回收,抗拉强度合格标准为不低于53.4785N。
其中,高分子吸水树脂原料在储存时需在干燥、通风、阴凉的环境中;吸水芯体的厚度为0.2-5mm。
实施例3:
一种卫生吸水芯体,包括顶层1、中间层2和底层3,顶层1的底部设置有中间层2,中间层2的底部设置有底层4,顶层1和底层3为一种透气湿强纸,中间层2为高分子吸水树脂与ES纤维混合层。
一种卫生吸水芯体的制备方法,包括以下步骤,步骤一,原料准备;步骤二,顶层打底;步骤三,中间层成型;步骤四,底层覆盖;步骤五,复合成型;步骤六,检测储存;
其中在上述步骤一中,按照各组分的质量百分数分别是:32.5%的透气湿强纸、35%的高分子吸水树脂和32.5%的低熔点复合短纤维进行选取,并按照重量百分比之和为1进行称取;
其中在上述步骤二中,选取一半的透气湿强纸平铺在工作台上;
其中在上述步骤三中,中间层成型包括以下步骤:
1)在平铺好的透气湿强纸上利用气流成型技术铺上一层低熔点复合短纤维,低熔点复合短纤维的厚度为5mm或6mm;
2)再在低熔点复合短纤维层上播撒一层高分子吸水树脂,工作台上位于透气湿强纸的两侧设置有隔板;
其中在上述步骤四中,将剩余的透气湿强纸平铺在高分子吸水树脂层上;
其中在上述步骤五中,复合成型包括以下步骤:
1)通过加温导热油辊点压在步骤四中所得芯体上,使其复合成型呈蓬松或压实网型状,油辊的温度为80-140℃;
2)将复合成型的吸水芯体按照所需规格切成标准大小,并除去多余边角料;
其中在上述步骤六中,将成型的吸水芯体进行拉力测试,抗拉强度合格者包装保存,不合格者进行回收,抗拉强度合格标准为不低于53.4785N。
其中,高分子吸水树脂原料在储存时需在干燥、通风、阴凉的环境中;吸水芯体的厚度为0.2-5mm。
对比例1:
市面上任一品牌的卫生用品吸水芯体。
对比例2:
市面上与对比例1不同的任一品牌的卫生用品吸水芯体。
将上述各实施例与对比例进行对比如下表:
吸水倍率 回渗量/g 抗拉强度/N
实施例1 60.3 6.9 64.569
实施例2 61 5.4 68.125
实施例3 59.6 5.8 63.952
对比例1 35.6 10.3 53.689
对比例2 33 8.9 52.963
综上所述,本发明,利用热压使得湿强纸和低熔点复合短纤维紧紧锁住了高分子吸水树脂,既限制了高分子吸水树脂的滑动,又加强了本发明的拉力强度,且锁水性能好。
需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。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)

1.一种卫生吸水芯体,包括顶层(1)、中间层(2)和底层(3),其特征在于:所述顶层(1)的底部设置有中间层(2),所述中间层(2)的底部设置有底层(4),所述顶层(1)和底层(3)为一种透气湿强纸,所述中间层(2)为高分子吸水树脂与低熔点复合短纤维混合层。
2.一种卫生吸水芯体的制备方法,包括以下步骤,步骤一,原料准备;步骤二,顶层打底;步骤三,中间层成型;步骤四,底层覆盖;步骤五,复合成型;步骤六,检测储存;其特征在于:
其中在上述步骤一中,按照各组分的质量百分数分别是:29-32.5%的透气湿强纸、32.5-60%的高分子吸水树脂和10-35%的低熔点复合短纤维进行选取,并按照重量百分比之和为1进行称取;
其中在上述步骤二中,选取一半的透气湿强纸平铺在工作台上;
其中在上述步骤三中,中间层成型包括以下步骤:
1)在平铺好的透气湿强纸上利用气流成型技术铺上一层低熔点复合短纤维;
2)再在低熔点复合短纤维层上播撒一层高分子吸水树脂;
其中在上述步骤四中,将剩余的透气湿强纸平铺在高分子吸水树脂层上;
其中在上述步骤五中,复合成型包括以下步骤:
1)通过电热加温或导热油辊点压在步骤四中所得芯体上,使其复合成型后呈蓬松或压实网型状;
2)将复合成型的吸水芯体按照所需规格切成标准大小,并除去多余边角料;
其中在上述步骤六中,将成型的吸水芯体进行拉力测试,抗拉强度合格者包装保存,不合格者进行回收。
3.根据权利要求1所述的一种卫生吸水芯体,其特征在于:所述高分子吸水树脂原料在储存时需在干燥、通风、阴凉的环境中。
4.根据权利要求1所述的一种卫生吸水芯体,其特征在于:所述吸水芯体的厚度为0.2-5mm。
5.根据权利要求2所述的一种卫生吸水芯体的制备方法,其特征在于:所述步骤二中,工作台上位于透气湿强纸的两侧设置有隔板。
6.根据权利要求2所述的一种卫生吸水芯体的制备方法,其特征在于:所述步骤三1)中,低熔点复合短纤维的长度为5mm或6mm。
7.根据权利要求2所述的一种卫生吸水芯体的制备方法,其特征在于:所述步骤三2)中,播撒高分子吸水树脂时避免大的气流波动。
8.根据权利要求2所述的一种卫生吸水芯体的制备方法,其特征在于:所述步骤五1)中,油辊的温度为80-140℃。
9.根据权利要求2所述的一种卫生吸水芯体的制备方法,其特征在于:所述步骤六中,抗拉强度合格标准为不低于53.4785N。
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