CN106361506A - 一种具有导流效果的复合吸收芯体及制备方法 - Google Patents

一种具有导流效果的复合吸收芯体及制备方法 Download PDF

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CN106361506A
CN106361506A CN201610817040.4A CN201610817040A CN106361506A CN 106361506 A CN106361506 A CN 106361506A CN 201610817040 A CN201610817040 A CN 201610817040A CN 106361506 A CN106361506 A CN 106361506A
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layer
core body
water accepting
absorption core
composite absorption
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荣敏杰
杨光杰
许永升
于庆华
荣帅帅
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Shandong Nuoer Biological Technology Co Ltd
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Shandong Nuoer Biological Technology Co Ltd
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Priority to CN201811181935.9A priority Critical patent/CN109551043B/zh
Application filed by Shandong Nuoer Biological Technology Co Ltd filed Critical Shandong Nuoer Biological Technology Co Ltd
Priority to CN201610817040.4A priority patent/CN106361506A/zh
Publication of CN106361506A publication Critical patent/CN106361506A/zh
Priority to CN201710790670.1A priority patent/CN107397628B/zh
Priority to CN201710790938.1A priority patent/CN107625583B/zh
Priority to CN201721129802.8U priority patent/CN208447937U/zh
Priority to CN201811268962.XA priority patent/CN109199701B/zh
Priority to PCT/CN2017/100483 priority patent/WO2018045939A1/zh
Priority to CN201811427037.7A priority patent/CN109568012B/zh
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Abstract

本发明公开了一种具有导流效果的复合吸收芯体及制备方法，该复合吸收芯体为表层、上吸水层、中间吸收层、下吸水层和底层的五层结构；所述下吸水层中间位置设有导液通道；制备步骤为：1）在底层上侧面放置挡板后喷敷热熔结构胶；2）洒上下吸水层，再在下吸水层上部敷设中间吸收层；3）在表层下侧面上喷敷热熔结构胶并洒上上吸水层；4）将步骤3的上吸水层侧面向下覆盖在步骤2的中间吸收层上部，抽出长条挡板压实后即可。采用本发明方法制备的复合吸收芯体的特点是：干爽性好，不起坨，不断层，因为具有导流作用，所以液体下渗速度快，扩散性能也优于一般复合吸收芯体。

Description

一种具有导流效果的复合吸收芯体及制备方法
技术领域
本发明涉及一种纸尿裤吸收芯体，具体涉及一种具有导流效果的复合吸收芯体及制备方法。
背景技术
目前婴儿纸尿裤等卫生用品得到了广泛的应用，复合芯体类型纸尿裤由于超薄不断层市场份额也在不断扩大，但是现有技术中的复合吸收芯体纸尿裤此类产品存在一定的缺陷：
1. 现有的复合吸收芯体类型婴儿纸尿裤多次吸收速度慢，有漏尿现象发生；
2. 现有的复合吸收芯体类型纸尿裤在吸收尿液后，由于是多层无尘纸和无纺布组成，中间吸收层在吸收尿液后膨胀回事复合吸收芯体变硬。
发明内容
本发明的目的就是针对现有技术存在的缺陷，提供一种具有导流效果的复合吸收芯体及制备方法。
其技术方案是：一种具有导流效果的复合吸收芯体，该复合吸收芯体为五层结构，自上而下分别为表层、上吸水层、中间吸收层、下吸水层和底层；该复合吸收芯体整幅宽度为8-12cm，所述下吸水层在整幅复合吸收芯体宽度的中部设有0.5-4cm宽的导液通道。
所述表层和底层为平方克重10-50g的紡粘无纺布或无尘纸。
所述上吸水层为20-120目的高分子吸水树脂，所述下吸水层为20-120目的高分子吸水树脂。
所述中间吸收层为平方克重在35-50g的蓬松无纺布。
所述导液通道为长条状、Z形状或S形状结构。
一种具有导流效果的复合吸收芯体的制备方法，制备步骤为：
1）在底层的上侧面底层宽度中间位置沿其长度向放置1-4cm宽的长条挡板，然后用喷胶机喷敷热熔结构胶；
2）在喷敷热熔结构胶的底层上侧面上洒上下吸水层，再在下吸水层上部敷设中间吸收层；
3）在表层下侧面上用喷胶机喷敷热熔结构胶并洒上上吸水层；
4）将步骤3的上吸水层侧面向下覆盖在步骤2的中间吸收层上部，抽出长条挡板压实后即可。
与现有技术相比较，采用本发明方法制备的复合吸收芯体的特点是：干爽性好，不起坨，不断层，因为具有导流作用，所以液体下渗速度快，扩散性能也优于一般复合吸收芯体。特别适合应用于超薄的婴儿纸尿裤、婴儿纸尿片等卫生用品。
附图说明
图1是本发明的结构示意图。
具体实施方式
参照图1，一种具有导流效果的复合吸收芯体，该复合吸收芯体为五层结构，自上而下分别为表层1、上吸水层2、中间吸收层3、下吸水层4和底层5；该复合吸收芯体整幅宽度为8-12cm，所述下吸水层4在整幅复合吸收芯体宽度的中部设有0.5-4cm宽的导液通道6。
所述表层1和底层5为平方克重10-50g的紡粘无纺布或无尘纸。
所述上吸水层2为20-120目的高分子吸水树脂，所述下吸水层4为20-120目的高分子吸水树脂。
所述中间吸收层3为平方克重在35-50g的蓬松无纺布。
所述导液通道6为长条状、Z形状或S形状结构。
一种具有导流效果的复合吸收芯体的制备方法，制备步骤为：
1）在底层的上侧面底层宽度中间位置沿其长度向放置1-4cm宽的长条挡板，然后用喷胶机喷敷热熔结构胶；
2）在喷敷热熔结构胶的底层上侧面上洒上下吸水层，再在下吸水层上部敷设中间吸收层；
3）在表层下侧面上用喷胶机喷敷热熔结构胶并洒上上吸水层；
4）将步骤3的上吸水层侧面向下覆盖在步骤2的中间吸收层上部，取出长条挡板压实后即可。
实施例一：
表层采用宽度为9cm、克重10g/m²的无尘纸，上吸水层采用克重140g/m²、20目的高分子吸水树脂，中间吸收层采用克重35g/m²的热风蓬松无纺布，下吸水层采用克重140g/m²、40目的高分子吸水树脂，底层采用宽度为9cm、克重10g/m²的无尘纸；制备步骤为：
1）在底层的上侧面底层宽度中部沿其长度向放置1cm宽的长条挡板，然后用喷胶机喷敷0.5g/m²的热熔结构胶；
2）在喷敷热熔结构胶的底层上侧面上洒上下吸水层，再在下吸水层上部敷设中间吸收层；
3）在表层下侧面上用喷胶机喷敷热熔结构胶并洒上上吸水层；
4）将步骤3的上吸水层侧面向下覆盖在步骤2的中间吸收层上部，取出长条挡板压实后即可得到具有导流效果的复合吸收芯体。
实施例二：
表层采用宽度为10cm、克重30g/m²的无尘纸，上吸水层采用克重140g/m²、25目的高分子吸水树脂，中间吸收层采用克重45g/m²的热风蓬松无纺布，下吸水层采用克重140g/m²、80目的高分子吸水树脂，底层采用宽度为10cm、克重30g/m²的无尘纸；制备步骤为：
1）在底层的上侧面底层宽度中部沿其长度向放置2.5cm宽的长条挡板，然后用喷胶机喷敷1g/m²的热熔结构胶；
2）在喷敷热熔结构胶的底层上侧面上洒上下吸水层，再在下吸水层上部敷设中间吸收层；
3）在表层下侧面上用喷胶机喷敷热熔结构胶并洒上上吸水层；
4）将步骤3的上吸水层侧面向下覆盖在步骤2的中间吸收层上部，取出长条挡板压实后即可得到具有导流效果的复合吸收芯体。
实施例三：
表层采用宽度为11cm、克重50g/m²的无尘纸，上吸水层采用克重140g/m²、32目的高分子吸水树脂，中间吸收层采用克重50g/m²的热风蓬松无纺布，下吸水层采用克重140g/m²、120目的高分子吸水树脂，底层采用宽度为11cm、克重50g/m²的无尘纸；制备步骤为：
1）在底层的上侧面底层宽度中部沿其长度向放置4cm宽的长条挡板，然后用喷胶机喷敷1.5g/m²的热熔结构胶；
2）在喷敷热熔结构胶的底层上侧面上洒上下吸水层，再在下吸水层上部敷设中间吸收层；
3）在表层下侧面上用喷胶机喷敷热熔结构胶并洒上上吸水层；
4）将步骤3的上吸水层侧面向下覆盖在步骤2的中间吸收层上部，取出长条挡板压实后即可得到具有导流效果的复合吸收芯体。
实施例四：
表层采用宽度为12cm、克重20g/m²的无尘纸，上吸水层采用克重140g/m²、34目的高分子吸水树脂，中间吸收层采用克重38g/m²的热风蓬松无纺布，下吸水层采用克重140g/m²、120目的高分子吸水树脂，底层采用宽度为12cm、克重20g/m²的无尘纸；制备步骤为：
1）在底层的上侧面底层宽度中部沿放置3cm宽Z形状的挡板，然后用喷胶机喷敷1.8g/m²的热熔结构胶；
2）在喷敷热熔结构胶的底层上侧面上洒上下吸水层，再在下吸水层上部敷设中间吸收层；
3）在表层下侧面上用喷胶机喷敷热熔结构胶并洒上上吸水层；
4）将步骤3的上吸水层侧面向下覆盖在步骤2的中间吸收层上部，取出长条挡板压实后即可得到具有导流效果的复合吸收芯体。
实施例五：
表层采用宽度为8cm、克重30g/m²的无尘纸，上吸水层采用克重110g/m²、33目的高分子吸水树脂，中间吸收层采用克重38g/m²的热风蓬松无纺布，下吸水层采用克重140g/m²、108目的高分子吸水树脂，底层采用宽度为12cm、克重20g/m²的无尘纸；制备步骤为：
1）在底层的上侧面底层宽度中部沿放置2cm宽S形状的挡板，然后用喷胶机喷敷1.6g/m²的热熔结构胶；
2）在喷敷热熔结构胶的底层上侧面上洒上下吸水层，再在下吸水层上部敷设中间吸收层；
3）在表层下侧面上用喷胶机喷敷热熔结构胶并洒上上吸水层；
4）将步骤3的上吸水层侧面向下覆盖在步骤2的中间吸收层上部，取出长条挡板压实后即可得到具有导流效果的复合吸收芯体。
上述实施例中，放置长条挡板，使底层上部中间位置留有空隙的位置没有洒下下吸水层。在吸收芯体吸收液体时，形成导液通道6，从而使液体渗漏时间缩短，也较好的提高了复合吸收芯体的扩散长度。
将上述实施例切割成38X10cm规格，测试本发明的复合吸收芯体：
测试方法为本发明的复合吸收芯体中间放上不锈钢圆环（内径50mm，外径为60mm，重量为320g，圆筒高度为5cm），每次加入生理盐水80ml，间隔10分钟，共加液体三次；第30分钟测试返渗（加压砝码直径为10cm，重量为12kg，滤纸为中性中速滤纸）。
下图标为对比试验结果：
通过以上数据可以看出，带沟槽的本发明的复合吸收芯体在吸收速度和返渗方面有明显优势。
采用本发明方法制备的复合吸收芯体的特点是：干爽性好，不起坨，不断层，因为具有导流作用，所以液体下渗速度快，扩散性能也优于一般复合吸收芯体。特别适合应用于超薄的婴儿纸尿裤、婴儿纸尿片等卫生用品。

Claims (6)

1.一种具有导流效果的复合吸收芯体，其特征在于：该复合吸收芯体为五层结构，自上而下分别为表层、上吸水层、中间吸收层、下吸水层和底层；该复合吸收芯体整幅宽度为8-12cm，所述下吸水层在整幅复合吸收芯体宽度的中部设有0.5-4cm宽的导液通道。
2.根据权利要求1所述的一种具有导流效果的复合吸收芯体，其特征在于：所述表层和底层为平方克重10-50g的紡粘无纺布或无尘纸。
3.根据权利要求1所述的一种具有导流效果的复合吸收芯体，其特征在于：所述上吸水层为20-120目的高分子吸水树脂，所述下吸水层为20-120目的高分子吸水树脂。
4.根据权利要求1所述的一种具有导流效果的复合吸收芯体，其特征在于：所述中间吸收层为平方克重在35-50g的蓬松无纺布。
5.根据权利要求1所述的一种具有导流效果的复合吸收芯体，其特征在于：所述导液通道为长条状、Z形状或S形状结构。
6.根据权利要求1—4所述的一种具有导流效果的复合吸收芯体的制备方法，其特征在于：制备步骤为：
1）在底层的上侧面底层宽度中间位置沿其长度向放置1-4cm宽的长条挡板，然后用喷胶机喷敷热熔结构胶；
2）在喷敷热熔结构胶的底层上侧面上洒上下吸水层，再在下吸水层上部敷设中间吸收层；
3）在表层下侧面上用喷胶机喷敷热熔结构胶并洒上上吸水层；
4）将步骤3的上吸水层侧面向下覆盖在步骤2的中间吸收层上部，抽出长条挡板压实后即可。
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CN103655056A (zh) * 2013-12-30 2014-03-26 广东百顺纸品有限公司 一种一次性吸湿用品
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CN106963557A (zh) * 2017-03-27 2017-07-21 泉州市汉威机械制造有限公司 一种吸收芯体制作工艺
CN115337148A (zh) * 2022-08-19 2022-11-15 露乐健康科技股份有限公司 吸收芯体及卫生用品

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