CN101940514A - 一种卫生用品表面包覆层及其用途 - Google Patents

一种卫生用品表面包覆层及其用途 Download PDF

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CN101940514A
CN101940514A CN 201010202783 CN201010202783A CN101940514A CN 101940514 A CN101940514 A CN 101940514A CN 201010202783 CN201010202783 CN 201010202783 CN 201010202783 A CN201010202783 A CN 201010202783A CN 101940514 A CN101940514 A CN 101940514A
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CN101940514B (zh
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魏军
成艳
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CHONGQING BAIYA SANITARY PRODUCTS CO., LTD.
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CHONGQING S&S SANITARY PRODUCT Co Ltd
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Abstract

本发明涉及一种卫生用品,具体涉及一种卫生用品表面包覆层及其用途,这种卫生用品表面包覆层,包括有通过热封或胶连接复合成一体的打孔无纺布和打孔PE膜,无纺布位于最表层,无纺布上的孔与PE膜上的孔相互贯通,可用作婴儿尿裤、婴儿尿片、成人尿裤、成人护理用品、卫生巾或卫生护垫的表面包覆层,包括各种型号、形状、大小尺寸,由于采用了全新的技术方案,针对现有卫生用品表面包覆层,这种表面包覆层既柔软舒适干爽,抗拉强度好又有利于吸收芯层吸收大块粘稠污染物及块状物,有效解决闷热、不透气、过敏问题的技术问题,可广泛应用于卫生护理用品行业。

Description

一种卫生用品表面包覆层及其用途
技术领域
本发明涉及一种卫生用品,具体涉及一种卫生用品表面包覆层及其用途。
背景技术
目前,市场上销售的卫生用品表面包覆层通常为无纺布,无纺布直接接触皮肤,柔软舒适不刺激皮肤,但这种无纺布的干爽性较差,强度和耐久性也较差,没有开孔或者只能开孔径很小的孔,但不开孔或者开孔径很小的孔都不利于吸收大块粘稠污染物,不能将大块粘稠污染物渗透下去,使大块粘稠污染物滞留在表面包覆层上,给使用者造成不舒服的感觉。
打孔的PE膜一般由聚乙烯材料制成,具有良好的强度和耐久性,其缺点不透气,并且它用于卫生用品上,若直接接触皮肤,对皮肤产生一定的刺激,容易使消费者出现不适感。
所以,既要保证表面包覆层透气、柔软舒适不刺激皮肤,具有良好的强度和耐久性,又要保证表面包覆层能将大块粘稠污染物渗透下去后被吸收层吸收,避免产生尴尬之事与不便,成为卫生行业长久以来没有解决的技术难题。
发明内容
本发明要解决的技术问题是提供一种表面柔软舒适干爽,抗拉强度好且有利于吸收芯层吸收大块粘稠污染物及块状物,又能有效解决闷热、不透气、过敏问题的一种卫生用品表面包覆层及其用途。
为了解决上述技术问题,本发明采用了如下技术方案,一种卫生用品表面包覆层,包括有通过热封或胶连接复合成一体的打孔无纺布和打孔PE膜,无纺布位于最表层,无纺布上的孔与PE膜上的孔相互贯通。
采用上述技术方案的表面包覆层卫生用品,由于其表面包覆层采用打孔无纺布和PE膜通过热封或胶连接复合成一体,无纺布上的孔与PE膜上的孔相互贯通,大块粘稠污染物容易顺着孔流向底下的吸收芯层上而被吸收,所以这种复合表面包覆层兼具有无纺布与PE膜的优点,表面柔软舒适,又能吸收大块粘稠污染物及块状物,从而达到卫生用品表面干爽、有效解决卫生用品闷热、不透气的技术问题;再加上无纺布位于最表层又避免了PE膜与人体直接接触,有效防止了过敏现象的发生。
进一步,限定上述技术方案中复合表面包覆层的无纺布和PE膜上孔的具体形状和尺寸关系是:打孔无纺布的孔为圆柱状,打孔PE膜上的孔为圆漏斗状,圆柱孔的孔径小于圆漏斗孔进口的孔径。这样的复合表面包覆层可以采用先分别下料,使无纺布与PE膜为相同形状,先在无纺布按照点阵方式打上圆柱孔,再在PE膜上按照同样的点阵方式打上上太下小的圆漏斗状立体孔,然后通过热封或胶连对应接成一体,这样的开孔由于按照的是同样的点阵方式打孔,保证了无纺布上的孔与PE膜上的孔相互贯通;由于打孔PE膜上的孔为圆漏斗状,这样的结构有利于粘状物及块状物沿着圆漏斗向下流动,同时由于无纺布上的圆柱孔的孔径小于PE膜上圆漏斗孔进口的孔径,则使无纺布能充分盖住PE膜,能更有效的避免了PE膜与人体直接接触;另外,在无纺布没有粘状物及块状物时,PE膜上圆漏斗孔进口支撑着上面的无纺布上的圆柱孔,在无纺布有粘状物及块状物时,无纺布上的圆柱孔就会沿着PE膜上圆漏斗孔进口向下塌陷,进一步保证了使用效果。
进一步,根据常遇到的经血、婴儿***物等实验结果,限定卫生用品打孔无纺布上的孔半径范围为0.5mm~1.3mm,打孔PE膜上的孔进口半径范围为1.0mm~1.5mm,孔出口半径范围为0.7mm~1.3mm时,都能达到使用效果,根据不同的无纺布可以在适当范围内调整,一般来说,用在卫生巾和护垫上可以取较小的值,用在婴儿尿裤、婴儿尿片、成人尿裤可以相对取较大的值。
更进一步,根据多次反复的实验,采用不同的血型和不同年龄段的人实验,限定卫生用品表面包覆层打孔无纺布上孔半径为0.8mm,打孔PE膜上的孔进口半径为1.3mm,孔出口半径为1.0mm时,效果比对最佳。
另外,就是限定这种卫生用品表面包覆层的用途,可用作婴儿尿裤、婴儿尿片、成人尿裤、成人护理用品、卫生巾或卫生护垫的表面包覆层,包括各种型号、形状、大小尺寸。
本发明具有的优点和积极效果:由于采用了全新的技术方案,针对现有卫生用品表面包覆层,这种表面包覆层既柔软舒适干爽,抗拉强度好又有利于吸收芯层吸收大块粘稠污染物及块状物,有效解决闷热、不透气、过敏问题的技术问题,可广泛应用于卫生护理用品行业。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细说明
图1是采用本发明一种表面包覆层的纸尿裤的示意图;
图2是采用本发明一种表面包覆层的卫生巾的示意图。
图3是图1或图2的A-A剖视示意图;
图4是图3中M处的放大图。
具体实施方式
如图1、图3、图4所示,一种纸尿裤,从里往外依次包括表面包覆层、吸收芯层4和底膜层5,表面包覆层由打孔无纺布1和PE膜2热封或胶连接复合成一体,无纺布1位于最表层,无纺布上的圆柱状孔11与PE膜上的圆漏斗状孔21相互贯通,无纺布上的孔半径为0.8mm,打孔PE膜上的孔进口半径为1.3mm,孔出口半径为1.0mm。
如图2、图3、图4所示,一种卫生巾,从里往外依次包括表面包覆层、吸收芯层4和底膜层5,表面包覆层由打孔无纺布1和PE膜2热封或胶连接复合成一体,无纺布1位于最表层,无纺布上的圆柱状孔11与PE膜上的圆漏斗状孔21相互贯通,无纺布上的孔半径为0.9mm,打孔PE膜上的孔进口半径为1.4mm,孔出口半径为1.2mm。
当然,这种卫生用品表面包覆层还可以用在婴儿尿片、成人尿裤、成人护理用品、卫生护垫等产品上。
需要说明的是,本发明还有多种实施方式,在此不一一详述。对于本领域的技术人员来说,在不脱离本发明结构的前提下,还可以作出若干变形和改进,这些也应该视为本发明的保护范围,这些都不会影响本发明实施的效果和专利的实用性。

Claims (5)

1.一种卫生用品表面包覆层,其特征在于:包括有通过热封或胶连接复合成一体的打孔无纺布和打孔PE膜,打孔无纺布位于最表层,打孔无纺布上的孔与PE膜上的孔相互贯通。
2.根据权利要求1所述的一种卫生用品表面包覆层,其特征在于:所述的打孔无纺布的孔为圆柱状,打孔PE膜上的孔为圆漏斗状,圆柱孔的孔径小于圆漏斗孔进口的孔径。
3.根据权利要求1或2所述的一种卫生用品表面包覆层,其特征在于:所述的打孔无纺布上的孔半径为0.5mm~1.3mm,打孔PE膜上的孔进口半径为1.0mm~1.5mm,孔出口半径为0.7mm~1.3mm。
4.根据权利要求1或2所述的一种卫生用品表面包覆层,其特征在于:所述的打孔无纺布上的孔半径为0.8mm,打孔PE膜上的孔进口半径为1.3mm,孔出口半径为1.0mm。
5.根据权利要求1所述的一种卫生用品表面包覆层的用途,其特征在于:表面包覆层用作婴儿尿裤、婴儿尿片、成人尿裤、成人护理用品、卫生巾或卫生护垫的表面包覆层。
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CN102697606A (zh) * 2012-05-01 2012-10-03 李红彪 一种尿裤结构
CN102862185A (zh) * 2012-09-19 2013-01-09 缪国兴 一种卫生用品打孔设备及应用该设备的卫生用品生产工艺
US20140363625A1 (en) * 2013-06-11 2014-12-11 Chen-Cheng Huang Breathable and waterproof composite fabric
WO2019075689A1 (en) * 2017-10-19 2019-04-25 The Procter & Gamble Company UPPER SHEET COMPRISING NATURAL FIBERS HAVING GOOD MECHANICAL RESISTANCE
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CN102862185A (zh) * 2012-09-19 2013-01-09 缪国兴 一种卫生用品打孔设备及应用该设备的卫生用品生产工艺
CN102862185B (zh) * 2012-09-19 2015-09-16 缪国兴 一种卫生用品打孔设备及应用该设备的卫生用品生产工艺
US10391736B2 (en) 2013-06-11 2019-08-27 Chen-Cheng Huang Breathable and waterproof composite fabric and a method of making the same
US20140363625A1 (en) * 2013-06-11 2014-12-11 Chen-Cheng Huang Breathable and waterproof composite fabric
US9713914B2 (en) * 2013-06-11 2017-07-25 Chen-Cheng Huang Breathable and waterproof composite fabric
US10973705B2 (en) 2014-11-06 2021-04-13 The Procter & Gamble Company Apertured webs and methods for making the same
US11324645B2 (en) 2014-11-06 2022-05-10 The Procter & Gamble Company Garment-facing laminates and methods for making the same
US10350119B2 (en) 2014-11-06 2019-07-16 The Procter & Gamble Company Pre-strained laminates and methods for making the same
US10583050B2 (en) 2014-11-06 2020-03-10 The Procter & Gamble Company Patterned apertured webs and methods for making the same
US10646381B2 (en) 2014-11-06 2020-05-12 The Procter & Gamble Company Crimped fiber spunbond nonwoven webs / laminates
US10667962B2 (en) 2014-11-06 2020-06-02 The Procter & Gamble Company Patterned apertured webs
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US10940051B2 (en) 2014-11-06 2021-03-09 The Procter & Gamble Company Absorbent articles with color effects
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US11213436B2 (en) 2017-02-16 2022-01-04 The Procter & Gamble Company Substrates having repeating patterns of apertures for absorbent articles
US11369527B2 (en) 2017-10-19 2022-06-28 The Procter & Gamble Company Topsheet comprising natural fibers
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