CN111110449A - 抗血sms无纺布卫生巾 - Google Patents

抗血sms无纺布卫生巾 Download PDF

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CN111110449A
CN111110449A CN202010138023.4A CN202010138023A CN111110449A CN 111110449 A CN111110449 A CN 111110449A CN 202010138023 A CN202010138023 A CN 202010138023A CN 111110449 A CN111110449 A CN 111110449A
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李新华
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Hangzhou Yuhong Sanitary Products Co ltd
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Abstract

本发明涉及一种既能使透气量在5000cm3/m2·d·atm以上,又能100%阻止经血侧漏的抗血SMS无纺布卫生巾,包括无纺布卫生巾,所述无纺布卫生巾两侧的抗血防漏隔边为抗血SMS无纺布。优点:一是既能100%阻止女性经期经血侧漏及经血中有害病毒的扩散,又能确保卫生巾中防侧漏隔边的透气量在5000cm3/m2·d·atm以上且使用舒适性好;二是实现了吸收体底部及四周对经血100%阻隔的前提下,不影响吸收体的透气性和阻水性。

Description

抗血SMS无纺布卫生巾
技术领域
本发明涉及一种既能使透气量在5000cm3/m2 ·d·atm以上,又能100%阻止经血侧漏的抗血SMS无纺布卫生巾,属卫生巾制造领域。
背景技术
CN209827255U、名称“一种防侧漏型卫生巾”,包括卫生巾本体,所述卫生巾本体宽度方向上的两侧设有边翼,其特征在于所述卫生巾本体和边翼均包括自上而下依次连接的表层、吸收层、防漏层和底层,所述边翼长度方向上的两侧设有可伸缩的延伸部,所述延伸部与卫生巾本体相接触但不固定连接,所述延伸部包括自上而下依次连接的延伸表层、延伸吸收层、延伸防漏层和延伸底层,所述卫生巾本体的表层上设有导流槽,所述导流槽外围设有多个凸条圈,所述凸条圈设置在卫生巾本体的表层上,所述凸条圈包括一组间隙排列的凸条,所述凸条圈在圈与圈之间的凸条相互交错分布。其不足之处:该防侧漏卫生巾边翼及凸条无法阻止女性月经期所排经液(经血)的参渗漏,导致经血中的病毒扩散。
发明内容
设计目的:避免背景技术的不足之处,设计一种既能使透气量在5000cm3/m2 ·d·atm以上,又能100%阻止经血侧漏的抗血SMS无纺布卫生巾。
设计方案:为了实现上述设计目的。本发明在结构及产品的制作上:
1、无纺布卫生巾两侧的抗血防漏隔边为抗血SMS无纺布的设计,是本发明的技术特征之一。这样设计的目的在于:常规SMS无纺布广泛的被用作婴儿尿裤、卫生巾产品的芯体两侧防漏主体隔边,因为SMS无纺布具有透气、防水功能,但是SMS无纺布拒水,却不拒血,用于婴儿尿裤的防侧漏隔边比较合理、实用,因为婴儿尿液主要成份是水,它能有效地保证尿液不从芯体边渗出。但作为卫生巾的防漏隔边,其防漏功能则不能保证。因为女性排出的月经中的主要成份是血液,常规SMS无纺布不具备抗血功能,因此将常规SMS无纺布所制的卫生巾无法阻止经血的侧漏及经血中有害病毒的扩散。本发明将常规SMS无纺布上置有抗血阻隔层,该抗血阻隔层使常规SMS无纺布与抗血阻隔层形成一个相互依存抗血SMS无纺布,并且将抗血SMS无纺布用于卫生巾两侧防漏隔边的制作,能够100%阻止女性月经期经液排出时的侧漏的同时,又能够使经液中潮热气体通过防侧漏隔边排出,极大地提高了卫生巾佩戴的舒适性。
2、无纺布卫生巾中的经液吸收体的底部及四周为抗血SMS无纺布的设计,是本发明的技术特征之二。这样设计的目的在于:如前所述,由于常规SMS无纺布所制的卫生巾芯体无法阻止经血的侧漏及经血中有害病毒的扩散,因此本发明将无纺布卫生巾中的经液吸收体的底部及四周采用抗血SMS无纺布时,不仅能够100%阻止吸收芯体中经血的外渗,而且吸收芯体具有良好的透气性。
3、抗血SMS无纺布制作:
(1)SMS无纺布抗血整理设备升级:
①为达到抗血整理剂能够均匀涂覆和充分渗透到SMS无纺布M层中,对生产线涂覆段进行升级改造,由原先的一浸一轧升级为两浸两轧,如图2。
②整理剂胶黏需要不同温度分级烘干,为了使抗血整理剂充分胶黏在SMS无纺布上,对烘干设备进行升级改造,由原先的单一热风烘箱改造成一级红外线烘干,二级加长热风烘箱烘干;
③由于SMS无纺布M层延伸率比较小,为了在生产过程中M层不被外力破坏,对设备放卷装置及张力系统进行改造:加装主动放卷装置;各分区中间加装张力控制系统来保障运行过程中张力的一致。
(2)SMS无纺布抗血制备整理工艺:
①首先抗血整理剂的新配方:将96.3%去离子水加热到设定温度35℃后关闭加热泵,再将事先称重好的3%抗血整理TG-522T和0.7%渗透剂TF-107S均匀缓慢地以细流注入到搅拌着的去离子水中搅拌15分钟后,方可正常使用,搅拌桶再次使用须再搅拌3分钟;
②由原先的一浸一轧工艺改进为两浸两轧,来保证布面60%轧余率和涂覆的均匀性;
③由原先的单级烘干改进为两级烘干:第一级为12.5米行程的红外线烘箱,SMS无纺布在145℃的环境中运行30S进行预胶黏;第二级为40米行程的热风烘箱,预胶黏后的SMS无纺布在125℃的环境中运行90S固化胶黏涂层;
④由原先的手动张力控制改进为自动张力控制模式:对放卷-浸渍-轧干-烘干-收卷进行自动张力控制来保证SMS无纺布M层不被破坏。
技术方案:一种抗血SMS无纺布卫生巾,包括无纺布卫生巾,所述无纺布卫生巾两侧的抗血防漏隔边为抗血SMS无纺布。
本发明与背景技术相比,一是既能100%阻止女性经期经血侧漏及经血中有害病毒的扩散,又能确保卫生巾中防侧漏隔边的透气量在5000cm3/m2 ·d·atm以上且佩戴使用舒适性好;二是实现了吸收体底部及四周对经血100%阻隔的前提下,不影响吸收体的透气性和阻水性。
附图说明
图1抗血SMS无纺布卫生巾的结构示意图,图中1是抗血防漏隔边,2是底部胶条,3是面层,4是吸收体,5是底膜,6是侧胶条。
图2是抗血无纺布的结构示意。
图3是本发明抗血无纺布左侧与现有SMS无纺布抗血效果对比示意图。
具体实施方式
实施例1:参照附图1和2。一种抗血SMS无纺布卫生巾,包括无纺布卫生巾,其特征是:所述无纺布卫生巾两侧的抗血防漏隔边1为抗血SMS无纺布。SMS抗血无纺布由SMS无纺布及结合在SMS无纺布上的抗血阻隔层构成。抗血SMS无纺布为单层或多层。
实施例2:在实施例1的基础上,所述无纺布卫生巾中的经液吸收体4的底部及四周为抗血SMS无纺布。
实施例3:在上述实施例的基础上,一种抗血无纺布制作方法,(1)首先抗血整理剂配方:3%SMS无纺布六碳整理剂TG-5503和0.7%防水渗透剂TF-107S再加上96.3%去离子水搅拌混合而成;
A.随着去离子水温度的提高呈现先高后低的趋势,在35度时为最高点;
B.随着六碳整理剂浓度的增加呈现增高趋势,但在30g/L-40g/L时增幅逐渐变缓,基于经济及环保的考虑,选择六碳整理剂的最佳浓度在30g/L;
C.随着防水渗透剂浓度的增加呈现增高趋势,但在7g/L-10g/L时保持最优,超过10g/L时反而下降,基于经济和环保考虑,选择防水渗透剂的浓度为6.5~7.5 g/L范围内取值且包括端值 ,或7g/L;
D.随着溶剂搅拌时间的增加呈现增高趋势,但在15分钟后就没在出现增高,基于经济的考虑,选择搅拌时间小于15分钟,或选择15分钟搅拌时间;
(2)将由纺粘层和熔喷层构成的SMS无纺布浸入抗血整理剂进行两浸两轧,通过实验证明一浸一轧上液率达不到工艺要求的50%以上,均匀性也不够,通过两浸两轧使SMS无纺布布面轧余率高达60%和涂覆的均匀性;
(3)两浸两轧后的SMS无纺布需要在120-140℃左右的环境中进行预胶黏,SMS无纺布的熔点是145℃左右,故预胶黏温度不能高于145℃,通过实验预胶黏时间大概需要25-35S左右,根据车速一般在25m/min左右,故一级红外线烘箱选择12.5米进行快速预胶黏;预胶黏后的SMS无纺布需要在100-120℃左右的环境中进行固化,根据实验需要在温度段烘干85-95S左右时间,根据车速一般在25m/min左右,第二段热风烘箱需要40米行程固化胶黏涂层;
(4)固化胶黏涂层的SMS无纺布的张力由自动张力控制器控制,保证SMS无纺布M层不被破坏。SMS无纺布静水压大于350 mmH2O,透气量达到5000cm3/m2·d·atm以上。
第一纺粘层1-2一面面涂有抗血涂层1-1,第一纺粘层1-2另一面为熔喷层1-3一面,熔喷层1-3另一面为第二纺粘层1-4。所述第一纺粘层1-2和第二纺粘层1-4由一层或多层构成。抗血涂层为纳米有机硅层或有机氟层。所述熔喷层1-3由一层或多层构成。
实施例4:在实施例3的基础上,2%SMS无纺布六碳整理剂TG-5503和0.5%防水渗透剂TF-107S再加上97.5%去离子水搅拌混合而成。
实施例5:在实施例3的基础上,4%SMS无纺布六碳整理剂TG-5503和0.9%防水渗透剂TF-107S再加上95.1%去离子水搅拌混合而成。
实施例6:在实施例3的基础上,2.6%SMS无纺布六碳整理剂TG-5503 和0.9%防水渗透剂TF-107S再加上96.5%去离子水搅拌混合而成。
实施例7:在实施例3的基础上,3.2%SMS无纺布六碳整理剂TG-5503和0.6%防水渗透剂TF-107S再加上96.2%去离子水搅拌混合而成。
实施例8:在实施例3的基础上,3.4%SMS无纺布六碳整理剂TG-5503和0.6%防水渗透剂TF-107S再加上96%去离子水搅拌混合而成。
实施例9:在实施例3的基础上,2.2%SMS无纺布六碳整理剂TG-5503和0.8%防水渗透剂TF-107S再加上97%去离子水搅拌混合而成。
实施例10:在实施例3的基础上,3.3%SMS无纺布六碳整理剂TG-5503和0.8%防水渗透剂TF-107S再加上95.9%去离子水搅拌混合而成。
实施例11:在实施例3的基础上,2.9%SMS无纺布六碳整理剂TG-5503和0.6%防水渗透剂TF-107S再加上96.5%去离子水搅拌混合而成。
需要理解到的是:上述实施例虽然对本发明的设计思路作了比较详细的文字描述,但是这些文字描述,只是对本发明设计思路的简单文字描述,而不是对本发明设计思路的限制,任何不超出本发明设计思路的组合、增加或修改,均落入本发明的保护范围内。

Claims (10)

1.一种抗血SMS无纺布卫生巾,包括无纺布卫生巾,其特征是:所述无纺布卫生巾两侧的抗血防漏隔边(1)为抗血SMS无纺布。
2.根据权利要求1所述的抗血SMS无纺布卫生巾,其特征是:SMS抗血无纺布由SMS无纺布及结合在SMS无纺布上的抗血阻隔层构成。
3.根据权利要求1所述的抗血SMS无纺布卫生巾,其特征是:抗血SMS无纺布为单层或多层。
4.根据权利要求1所述的抗血SMS无纺布卫生巾,其特征是:所述无纺布卫生巾中的经液吸收体(4)的底部及四周为抗血SMS无纺布。
5.根据权利要求1所述的抗血SMS无纺布卫生巾,其特征是:抗血SMS无纺布第一纺粘层(1-2)一面面涂有抗血涂层(1-1),第一纺粘层(1-2)另一面为熔喷层(1-3)一面,熔喷层(1-3)另一面为第二纺粘层(1-4)。
6.根据权利要求5所述的抗血SMS无纺布卫生巾,其特征是:所述第一纺粘层(1-2)和第二纺粘层(1-4)由一层或多层构成。
7.根据权利要求5所述的抗血SMS无纺布卫生巾,其特征是:所述熔喷层1-3由一层或多层构成。
8.根据权利要求5所述的抗血SMS无纺布卫生巾,其特征是:抗血涂层为纳米有机硅层或有机氟层。
9.根据权利要求1所述的抗血SMS无纺布卫生巾,其特征是SMS抗血无纺布制作方法是:
(1)首先抗血整理剂配方:2%~4%SMS无纺布六碳整理剂TG-5503和0.5%~0.9%防水渗透剂TF-107S再加上95%~97.5%去离子水搅拌混合而成;
A.随着去离子水温度的提高呈现先高后低的趋势,在35度时为最高点;
B.随着六碳整理剂浓度的增加呈现增高趋势,但在30g/L-40g/L时增幅逐渐变缓,基于经济及环保的考虑,选择六碳整理剂的最佳浓度在30g/L;
C.随着防水渗透剂浓度的增加呈现增高趋势,但超过10g/L时反而下降,选择防水渗透剂的浓度为7g/L-10g/L;
D.随着溶剂搅拌时间的增加呈现增高趋势,但在15分钟后就没在出现增高,选择搅拌时间大于10分钟、小于15分钟;
(2)将由纺粘层和熔喷层构成的SMS无纺布浸入抗血整理剂进行两浸两轧,通过实验证明一浸一轧上液率达不到工艺要求的50%以上,均匀性也不够,通过两浸两轧使SMS无纺布布面轧余率高达60%和涂覆的均匀性;
(3)两浸两轧后的SMS无纺布需要在120-140℃左右的环境中进行预胶黏,预胶黏时间大概需要25-35S左右;预胶黏后的SMS无纺布需要在100-120℃左右的环境中进行固化,温度段烘干85-95S左右时间;
(4)固化胶黏涂层的SMS无纺布的张力由自动张力控制器控制,保证SMS无纺布M层不被破坏。
10.根据权利要求9所述的抗血SMS无纺布卫生巾,其特征是:抗血无纺布100%阻止经血通过,透气量达到5000cm3/m2·d·atm以上。
CN202010138023.4A 2020-03-03 2020-03-03 抗血sms无纺布卫生巾 Pending CN111110449A (zh)

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