CN104523373B - 含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏卫生巾 - Google Patents

含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏卫生巾 Download PDF

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CN104523373B
CN104523373B CN201410614533.9A CN201410614533A CN104523373B CN 104523373 B CN104523373 B CN 104523373B CN 201410614533 A CN201410614533 A CN 201410614533A CN 104523373 B CN104523373 B CN 104523373B
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张富山
范兴鸿
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Fujian Hengan Household Life Article Co Ltd
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Abstract

一种含超吸水纤维防塌陷无纺布的防漏卫生巾及制造方法,三重阶梯式防后漏夜用卫生巾从上到下依次包括面层、含超吸水纤维防塌陷无纺布、吸收芯体、PE透气底膜,所述三重阶梯式防后漏夜用卫生巾为在夜用卫生巾中后端面层下以前后相邻间隔0‑3cm的方式逐级复合三条宽度为1‑5cm、厚度为0.1‑2.0cm的含超吸水纤维防塌陷无纺布,且三条无纺布由前至后阶梯式逐步增厚,防塌陷无纺布由超吸水纤维与PE/PET复合纤维复合而成,弹性恢复性能好,质地挺括,防止塌陷,此结构贴合性好且能逐级吸收后漏的经血,经三重阶梯式防护阻止经血外溢,保证经期量大的女性在夜晚睡觉时经血不后漏、不溢出,为经期女性、特别是量大的女性创造舒适、安心的睡眠环境。

Description

含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏卫生巾
技术领域
本发明涉及一种含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏夜用卫生巾及制造方法。
背景技术
女性在经期的夜晚,睡觉时由于时间长、睡姿经常变换、经血量大等因素,即使是使用加长加宽卫生巾,但是由于贴合性不好、吸收量不足等因素经血还是常常顺着屁股沟流到了后面,溢出并粘染到内裤上甚至是床单被褥上,给经期女性夜晚的睡眠带来极大的困扰。
现有卫生巾为了防止后漏通常采用加长加宽的超大型扇尾来解决,加长加宽必然带来生产成本的提高,而企业为了节约生产成本,在扇尾后端基本上已经不加或者少加超吸水树脂(SAP),当经血向后端流淌时,卫生巾已经无多少吸收能力了,从而导致经血后漏溢出,无法从根本上解决特别是经期经血量大女性的夜晚后漏问题。
因此,提供一种含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏夜用卫生巾及制造方法非常必要。
发明内容
本发明的目的是为了克服现有技术的缺陷,提供一种含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏夜用卫生巾及制造方法,该卫生用品的制造方法涉及的生产设备简单,产品成本较低,三重阶梯式防后漏夜用卫生巾能够有效改善经期女性夜晚睡觉的后漏问题。
本发明提供一种含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏夜用卫生巾及制造方法。三重阶梯式防后漏夜用卫生巾为在夜用卫生巾中后端面层下以前后相邻间隔0-3cm的方式逐级复合三条宽度为1-5cm、厚度为0.1-2.0cm的含超吸水纤维防塌陷无纺布,且三条防塌陷无纺布由前至后阶梯式逐步增厚,防塌陷无纺布由超吸水纤维与PE/PET复合纤维复合而成,弹性恢复性能好,质地挺括,防止塌陷,此结构贴合性好且能逐级吸收后漏的经血,经三重阶梯式防护阻止经血外溢,保证经期量大女性在夜晚睡觉时经血不后漏、不溢出,为经期女性特别是量大的女性创造舒适、安心的睡眠环境。该卫生巾吸收蒸馏水的倍率为25.12-52.57g/g,吸收生理盐水的倍率为15.96-25.33g/g;该卫生巾在保水量测试中,吸收蒸馏水后的保水倍率为25.03-30.92g/g,吸收生理盐水后的保水倍率为13.02-18.23g/g;该卫生巾的后漏指数为0-10.1%。
超吸水纤维的比例按重量百分比为45%-95%,PE/PET复合纤维的比例按重量百分比为5%-55%;所述的超吸水性纤维包括聚羧酸类吸水纤维、丙烯酸系吸水纤维、聚丙烯腈吸水纤维、聚乙烯醇类吸水纤维、改性聚乙烯醇类吸水纤维中的至少一种吸水纤维或其任意组合,所述的超吸水性短纤维含有-COOH、-COONa、-CONH2和/或-OH基团;所述的含超吸水性纤维的防塌陷无纺布位于卫生巾中部至后端面层下,宽度为1-5cm,长度可根据卫生巾的宽度进行调整;所述的三条含超吸水性纤维防塌陷无纺布前后相邻间隔0-3cm;所述的三条含超吸水性纤维防塌陷无纺布由前至后厚度逐步增大,厚度为0.1-2.0cm;所述的超吸水纤维无纺布采用热粘合或胶粘合的一种与卫生巾面层及吸收芯体粘合。每条防塌陷无纺布的长度根据卫生巾的宽度进行调整,形状为长条状、梯形、橄榄球状等。
一种含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏夜用卫生巾的制造方法,其包括如下步骤:由不同三种质量百分比的超吸水纤维与PE/PET复合纤维复合形成防塌陷无纺布,将所述防塌陷无纺布制成所需规格的卷材,所述卷材分别放于卫生巾制造机上经定位切刀切断形成所需宽度的无纺布,通过螺旋式喷洒结构胶于无纺布上,通过水平皮带轮负压吸附并传送,无纺布被转移并贴合至吸收芯体指定的位置上,所述无纺布为三条直条型无纺布,前后相邻间隔为0-3cm,所述宽度为1-5cm、所述厚度为0.1-2.0cm,所述长度可根据卫生巾巾身宽度进行调整,最后将复合的无纺布与吸收芯体由水平皮带传送经施加结构胶分别与面层、PE透气底膜复合。卫生巾的制造方法还包括施加背胶与小包膜复合,经过折叠后制成独立包装的卫生巾。其中超吸水纤维的比例按重量百分比为45%-95%,PET纤维的比例按重量百分比为5%-55%。所述的三条防塌陷无纺布的超吸水纤维的重量百分比由前至后逐渐升高,PE/PET复合纤维重量百分比由前至后逐渐降低。
根据本发明提供的夜用卫生巾,一种含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏夜用卫生巾更贴合、更吸水、更防漏、更舒适,能够有效解决经期量大的妇女的夜间睡眠后漏的困扰。
附图说明
图1为本发明的正面结构示意图。
具体实施方式
一种含超吸水性纤维防塌陷无纺布的三重阶梯式防后漏夜用卫生巾及制造方法。三重阶梯式防后漏夜用卫生巾为在夜用卫生巾中后端面层下以前后相邻间隔0-3cm的方式逐级复合三条宽度为1-5cm、厚度为0.1-2.0cm的含超吸水纤维防塌陷无纺布,且三条防塌陷无纺布由前至后阶梯式逐步增厚,防塌陷无纺布由超吸水纤维与PE/PET复合纤维复合而成,弹性恢复性能好,质地挺括,防止塌陷,此结构贴合性好且能逐级吸收后漏的经血,经三重阶梯式防护阻止经血外溢,保证经期量大女性在夜晚睡觉时经血不后漏、不溢出,为经期女性特别是量大的女性创造舒适、安心的睡眠环境。该卫生巾吸收蒸馏水的倍率为18.12-52.57g/g,吸收生理盐水的倍率为15.96-25.33g/g;该卫生巾在保水量测试中,吸收蒸馏水后的保水倍率为15.03-39.92g/g,吸收生理盐水后的保水倍率为13.02-25.23g/g;该卫生巾后漏指数为0-10.1%。
、在本发明中,吸蒸馏水(或生理盐水)倍率测试方法:
(1)所用仪器:(a)天平(可精确到0.01g)、(b)秒表、(c)恒温水浴锅
(2)步骤:取一条卫生巾的试样,撕去离型纸,适当剪去护翼,用感量0.01g的天平称其质量(吸前质量W1),用夹子夹住样品的一端封口,并使夹子夹口与试样纵向处于垂直状态,不应夹住内置的吸收芯体,将试样连同夹子浸入约10cm深的(23±1)ºC的蒸馏水(或生理盐水)中,试样的使用面朝上。轻轻压住试样,使其完全浸没60s,然后提起夹子,使试样完全离开液面,垂直悬挂90s后,称其质量(吸后质量W2),之后按公式计算吸收蒸馏水(或生理盐水)倍率。按同样操作测试5条试样,取5条试样的平均值作为测试结果,精确至一位小数。
(3)公式:吸收蒸馏水(或生理盐水)量(g)= W2-W1。
吸收蒸馏水(或生理盐水)倍率(g/g)= (W2-W1)/W0
2、在本发明中,保蒸馏水(或生理盐水)量的测试方法:将完成吸收倍率测定的卫生用品在脱水机(1600 r/min,直径100mm)中进行90s的离心脱水后,称其重量W3。按同样操作测试5条试样,取5条试样的平均值作为测试结果,精确至两位小数。
公式:保蒸馏水(或生理盐水)量(g)=W3-W1。
吸收蒸馏水(或生理盐水)后的保水倍率(g/g)=(W3-W1)/W0
测试结果取试样的算术平均值,保留四位有效数字。(出现数值过大或过小的应去除)。
3、在本发明中,防后漏能力测试方法:
(1)实验装置和材料:卫生巾渗透性能测试仪(国标,10度倾斜角);分液漏斗(国标仪器),模拟人体经血(PIF溶液,黏度10.5 cps)。
(2)实验步骤:
a、将卫生巾预先称重。
b、将卫生巾按竖直方向贴在测试仪上,调成测试仪角度,让卫生巾前后两端成10度倾斜角。
c、取10ml模拟人体经血加入分液漏斗中。
d、迅速拧开分液漏斗开关,让液体自由流出。
e、再次测量卫生巾重量。
f、计算出漏出卫生巾的液体重量(10ml液体重量-留在卫生巾上的液体重量)
(3)公式:卫生巾后漏指数=漏出卫生巾的液体重量/施加液体总重量×100%——防漏指数越高,说明防漏能力越差。
实施例1
将由45%聚羧酸类超吸水纤维与55%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为15cm×5cm×0.5cm的直条型,由50%聚羧酸类超吸水纤维与50%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为15cm×5cm×0.8cm的直条型,由55%聚羧酸类超吸水纤维与45%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为15cm×5cm×1.1cm的直条型,通过施加结构胶与吸收芯体复合置于卫生巾中后端,三条防塌陷无纺布间隔为0.5cm,由水平皮带传送至与面层、PE透气底膜复合,最后施加背胶与小包膜(或小包布)复合,经过折叠后制成独立包装的卫生巾。检测卫生巾产品,卫生巾条质量6.54g,吸收蒸馏水为208.8g,保蒸馏水量为148.5g,吸收生理盐水为158.27g,保生理盐水量为111.26g,吸收蒸馏水倍率为30.93g/g,吸收蒸馏水后的保水倍率为21.71g/g,吸收生理盐水倍率为23.20/g,吸收生理盐水后的保水倍率为16.01g/g,卫生巾后漏指数为2.2%。
实施例2
将由48%聚羧酸类超吸水纤维与52%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为12cm×3cm×0.5cm的直条型,由52%聚羧酸类超吸水纤维与48%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为12cm×3cm×0.8cm的直条型,由56%聚羧酸类超吸水纤维与44%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为12cm×3cm×1.1cm的直条型,通过施加结构胶与吸收芯体复合置于卫生巾中后端,三条防塌陷无纺布间隔为0cm,由水平皮带传送至与面层、PE透气底膜复合,最后施加背胶与小包膜(或小包布)复合,经过折叠后制成独立包装的卫生巾。检测卫生巾产品,卫生巾条质量6.74g,吸收蒸馏水为221.2g,保蒸馏水量为158.5g;吸收生理盐水为189.17g,保生理盐水量为122.56g,吸收蒸馏水倍率为31.82g/g,吸收蒸馏水后的保水倍率为22.52g/g,吸收生理盐水倍率为27.07/g,吸收生理盐水后的保水倍率为17.18g/g,卫生巾后漏指数为5.3%。
实施例3
将由75%聚羧酸类超吸水纤维与25%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为13cm×1cm×0.1cm的直条型,由85%聚羧酸类超吸水纤维与15%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为13cm×1cm×0.8cm的直条型,由95%聚羧酸类超吸水纤维与5%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为13cm×1cm×1.5cm的直条型,通过施加结构胶与吸收芯体复合置于卫生巾中后端,三条无纺布间隔为3cm,由水平皮带传送至与面层、PE透气底膜复合,最后施加背胶与小包膜(或小包布)复合,经过折叠后制成独立包装的卫生巾。检测卫生巾产品,卫生巾条质量6.85g,吸收蒸馏水为229.3g,保蒸馏水量为168.5g;吸收生理盐水为198.15g,保生理盐水量为148.56g,吸收蒸馏水倍率为32.47g/g,吸收蒸馏水后的保水倍率为23.60g/g,吸收生理盐水倍率为27.92g/g,吸收生理盐水后的保水倍率为20.69g/g,卫生巾后漏指数为0。
实施例4
将由45%聚羧酸类超吸水纤维与55%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为13cm×1cm×0.1cm的直条型,由48%聚羧酸类超吸水纤维与52%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为13cm×1cm×0.3cm的直条型,由51%聚羧酸类超吸水纤维与49%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为13cm×1cm×0.5cm的直条型,通过施加结构胶与吸收芯体复合置于卫生巾中后端,三条无纺布间隔为0.8cm,由水平皮带传送至与面层、PE透气底膜复合,最后施加背胶与小包膜(或小包布)复合,经过折叠后制成独立包装的卫生巾。检测卫生巾产品,卫生巾条质量6.79g,吸收蒸馏水为210.3g,保蒸馏水量为158.6g;吸收生理盐水为167.9g,保生理盐水量为153.31g,吸收蒸馏水倍率为29.97g/g,吸收蒸馏水后的保水倍率为22.36g/g,吸收生理盐水倍率为21.58g/g,吸收生理盐水后的保水倍率为20.69g/g,卫生巾后漏指数为10.1%。
实施例5
将由58%聚羧酸类超吸水纤维与42%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为12cm×2.5cm×0.6cm的直条型,由63%聚羧酸类超吸水纤维与37%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为12cm×2.5cm×0.8cm的直条型,由68%聚羧酸类超吸水纤维与32%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为12cm×2.5cm×1.0cm的直条型,通过施加结构胶与吸收芯体复合置于卫生巾中后端,三条防塌陷无纺布间隔为1.5cm,由水平皮带传送至与面层、PE透气底膜复合,最后施加背胶与小包膜(或小包布)复合,经过折叠后制成独立包装的卫生巾。检测卫生巾产品,卫生巾条质量6.66g,吸收蒸馏水为210.1g,保蒸馏水量为168.5g;吸收生理盐水为182.37g,保生理盐水量为132.45g,吸收蒸馏水倍率为30.54g/g,吸收蒸馏水后的保水倍率为24.30g/g,吸收生理盐水倍率为26.38/g,吸收生理盐水后的保水倍率为18.89g/g,卫生巾后漏指数为0.5%。
实施例6
将由78%聚羧酸类超吸水纤维与22%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为15.5cm×1.6cm×1.0cm的直条型,由83%聚羧酸类超吸水纤维与17%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为15.5cm×1.6cm×1.5cm的直条型,由88%聚羧酸类超吸水纤维与12%PE/PET纤维复合而成的防塌陷无纺布制成长×宽×高为15.5cm×1.6cm×2.0cm的直条型,通过施加结构胶与吸收芯体复合置于卫生巾中后端,三条防塌陷无纺布间隔为2.1cm,由水平皮带传送至与面层、PE透气底膜复合,最后施加背胶与小包膜(或小包布)复合,经过折叠后制成独立包装的卫生巾。检测卫生巾产品,卫生巾条质量7.26g,吸收蒸馏水为240.5g,保蒸馏水量为189.5g;吸收生理盐水为202.37g,保生理盐水量为167.23g,吸收蒸馏水倍率为32.13g/g,吸收蒸馏水后的保水倍率为25.10g/g,吸收生理盐水倍率为26.87/g,吸收生理盐水后的保水倍率为22.03g/g,卫生巾后漏指数为2.8%。。

Claims (6)

1.一种含超吸水纤维防塌陷无纺布的防漏卫生巾,所述含超吸水纤维防塌陷无纺布的防漏卫生巾为三重阶梯式防后漏夜用卫生巾,其从上到下依次包括面层、含超吸水纤维防塌陷无纺布、吸收芯体、PE透气底膜,所述三重阶梯式防后漏夜用卫生巾为在夜用卫生巾中后端面层下以前后相邻间隔0-3cm的方式逐级复合三条宽度为1-5cm、厚度为0.1-2.0cm的含超吸水纤维防塌陷无纺布,且三条防塌陷无纺布由前至后阶梯式逐步增厚,防塌陷无纺布由超吸水纤维与PE/PET复合纤维复合而成,三重阶梯式防后漏夜用卫生巾后漏指数为0-10.1%,防塌陷无纺布中超吸水纤维的比例按重量百分比为45%-95%,PE/PET复合纤维的比例按重量百分比为5%-55%,所述的超吸水性纤维包括聚羧酸类吸水纤维、丙烯酸系吸水纤维、聚丙烯腈吸水纤维、聚乙烯醇类吸水纤维、改性聚乙烯醇类吸水纤维中的至少一种吸水纤维或其任意组合,所述的超吸水性纤维含有-COOH、-COONa、-CONH2和/或-OH基团。
2.根据权利要求1所述的一种含超吸水纤维防塌陷无纺布的防漏卫生巾,其特征在于:所述的三条防塌陷无纺布的超吸水纤维的重量百分比由前至后逐渐升高,PE/PET复合纤维重量百分比由前至后逐渐降低。
3.根据权利要求1所述的一种含超吸水纤维防塌陷无纺布的防漏卫生巾,其特征在于:每条防塌陷无纺布的长度根据卫生巾的宽度进行调整,形状为长条状、梯形或橄榄球状。
4.根据权利要求1所述的一种含超吸水纤维防塌陷无纺布的防漏卫生巾,其特征在于:含超吸水纤维防塌陷无纺布采用热粘合或胶粘合的一种与卫生巾面层及吸收芯体粘合。
5.根据权利要求1-4任一项所述的一种含超吸水纤维防塌陷无纺布的防漏卫生巾的制造方法,其特征在于包括如下步骤:由不同三种质量百分比的超吸水纤维与PE/PET复合纤维复合形成防塌陷无纺布,将所述防塌陷无纺布制成所需规格的卷材,所述卷材分别放于卫生巾制造机上经定位切刀切断形成所需宽度的无纺布,通过螺旋式喷洒结构胶于无纺布上,通过水平皮带轮负压吸附并传送,无纺布被转移并贴合至吸收芯体指定的位置上,所述无纺布为三条无纺布,前后相邻间隔为0-3cm,所述宽度为1-5cm、所述厚度为0.1-2.0cm,长度根据卫生巾巾身宽度进行调整,最后将复合的无纺布与吸收芯体由水平皮带传送经施加结构胶分别与面层、PE透气底膜复合而形成所述的卫生巾,含超吸水纤维防塌陷无纺布的防漏卫生巾为三重阶梯式防后漏夜用卫生巾,且三条防塌陷无纺布由前至后阶梯式逐步增厚,三重阶梯式防后漏夜用卫生巾后漏指数为0-10.1%,防塌陷无纺布中超吸水纤维的比例按重量百分比为45%-95%,PE/PET复合纤维的比例按重量百分比为5%-55%,所述的超吸水性纤维包括聚羧酸类吸水纤维、丙烯酸系吸水纤维、聚丙烯腈吸水纤维、聚乙烯醇类吸水纤维、改性聚乙烯醇类吸水纤维中的至少一种吸水纤维或其任意组合,所述的超吸水性纤维含有-COOH、-COONa、-CONH2和/或-OH基团。
6.根据权利要求5所述的一种含超吸水纤维防塌陷无纺布的防漏卫生巾的制造方法,其特征在于还包括施加背胶与小包膜复合,经过折叠后制成独立包装的卫生巾。
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