CN1263759A - 体液处理用吸收性物品 - Google Patents

体液处理用吸收性物品 Download PDF

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CN1263759A
CN1263759A CN00104548A CN00104548A CN1263759A CN 1263759 A CN1263759 A CN 1263759A CN 00104548 A CN00104548 A CN 00104548A CN 00104548 A CN00104548 A CN 00104548A CN 1263759 A CN1263759 A CN 1263759A
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仓田信弘
和田充弘
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F13/00Bandages or dressings; Absorbent pads
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Abstract

本发明的目的在于提供一种内面层具有粘接性固定区域的体液处理用吸收性物品。体液处理用吸收性物品(紧身衬裤衬垫)(1)中的内面层与芯体(4)相接触,其由密度小于芯体(4)的第2热塑性合成纤维层(12)、其密度大于纤维层(12)的合成树脂层(13)、其密度小于树脂层(13)的第1热塑性合成纤维层(11)构成,粘接剂(9)涂敷于第1合成纤维层(11)上。

Description

体液处理用吸收性物品
本发明涉及卫生巾或紧身衬裤衬垫等的,具有相对穿着衣物的固定机构的体液处理用吸收性物品。
众所周知,在过去,卫生巾或紧身衬裤衬垫等的吸收性物品中的相对穿着衣服的接触面(相对皮肤的非接触面)由塑料薄膜形成,通过涂敷于该膜的外面的粘接剂将上述物品以可剥离的方式固定于穿着衣物上。另外,通过将该膜代替无纺布等的通气性材料,可提高吸收性物品的通气性,使物品穿着时产生的不透气或发生斑疹程度降低。
上述的塑料薄膜大多采用聚乙烯等烯烃系薄膜。如果涂敷于这种膜上的粘接剂的粘接力不强,则其容易与膜剥离。如果粘接力较强,比如紧身衬裤衬垫对穿着短裤的固定力过强,在使用之后难于剥离,即使在没有达到那种程度的情况下,在固定于穿着短裤之后,在希望稍稍改变该固定位置时,从而难于简单地实现剥离。
另外,在将该膜替换为无纺布的场合,还会发生下述情况,即涂敷该无纺布上的粘接剂随着时间的推移而朝向无纺布内部运动,紧身衬裤衬垫不能够固定于穿着短裤上。
本发明的目的在于提供一种体液处理用吸收性物品,其可解决与粘接剂有关的上述问题。
为了解决上述问题,本发明的前提涉及下述的体液处理用吸收性物品,其包括相对皮肤的接触面、非接触面、位于这两个面之间的吸液性芯体,在上述非接触面上形成有相对穿着衣物的粘接性固定区域。
在上述的前提中,本发明的特征在于:
在上述芯体的底面侧,至少设置有高密度的热塑性合成树脂层、与该树脂层的底面接合,其密度小于该树脂层的第1热塑性合成纤维层,上述固定区域由涂敷于上述第1纤维层的底面的粘接剂形成。
在本发明的一个优选实施例中,上述树脂层为热塑性合成纤维无纺布和塑料膜中的任何一种。
在另一实施例中,上述热塑性合成纤维无纺布为熔喷法无纺布。
在还一实施例中,在上述芯体的底面与上述树脂层之间设置有其密度小于上述芯体的第2热塑性合成纤维层。
在又一实施例中,上述树脂层、第1纤维层和第2纤维层具有通气性。
在再一实施例中,上述第1纤维层和第2纤维层为纺粘型无纺布、热粘型无纺布、射流喷网法无纺布和将这些无纺布中的至少2种叠置而形成的产品
在另一实施例中,上述第2纤维层的坪量在30~150g/m2的范围内。
图1为吸收性物品(紧身衬裤衬垫)的局部剖开的透视图;
图2为沿图1中的I-I线的局部剖面图。
下面将作为本发明的体液处理用吸收性物品的紧身衬裤衬垫作为实例,参照附图对本发明进行具体描述。
图1的局部剖开的透视图所示的紧身衬裤衬垫1包括形成相对使用者的皮肤的接触面的外面层2、形成非接触面的内面层3、位于这两层2、3之间的吸液性芯体4。该外面层2、内面层3与芯体4的形状尺寸相同,在沿衬垫1的外缘延伸的粘压线6上形成一体。该外面层2和芯体4也在相对外面层2上进行压花加工而形成的多个凹部7上形成一体。在内面层3的底面8上通过涂敷粘接剂9而形成多个粘接区域,该粘接剂9上覆盖有剥离纸10(同时参照图2)。
图2为沿图1中的II-II线的局部剖面图。外面层2的底面和芯体4的顶面按照体液可快速朝向芯体4运动的方式相互紧密粘接。内面层3由与芯体4的底面相接触的顶部层12、与穿着用短裤相接触的底部层11、位于顶底部层11、12之间的中间层13构成,这些层11、12、13相互叠置,在粘压线6处相接合,或对粘压线6施加压力,在粘压线6的内侧,通过热熔接粘接剂或熔接实现间歇式接合。
外面层2为透液性层,其由包含60重量%以上的人造丝纤维、纸浆纤维、经亲水化处理的热塑性合成纤维等的亲水性纤维的、坪量在10~80g/m2的无纺布形成。
上述芯体4中的人造丝纤维、纸浆纤维、经亲水化处理的热塑性合成纤维的含量在60~100重量%的范围内,其高吸水性聚合物颗粒在0~40重量%的范围内,其纤维成分的坪量在20~200g/m2的范围内,其密度在0.08g/cm3以上,最好在0.15g/cm3以上。
内面层3的顶部层12由疏水性或防水性的热塑性合成纤维无纺布形成,其坪量在10~150g/m2的范围内,其密度小于芯体4的密度,该密度最好在0.03~0.14g/cm3的范围内,并具有通气性。底部层11也由疏水性热塑性合成纤维无纺布形成,其坪量在10~40g/m2的范围内,其密度小于中间层13的密度,该密度最好在0.05~0.14g/cm3的范围内,并具有通气性。可用作该顶部层12或底部层11的无纺布包括纺粘型无纺布、热粘型无纺布、射流喷网法无纺布和将这些无纺布中的至少2种叠置而形成的产品等。中间层13的坪量在10~80g/m2的范围内,该层由疏水性的热塑性合成纤维无纺布形成,最好由其坪量在10~80g/m2的范围内,其密度大于0.14g/cm3的通气性的熔喷法无纺布形成,或由其厚度在0.01~0.08mm的具有通气性和疏水性的热塑性合成纤维膜形成。在底部层11的外面,按照不妨碍层11的通气性的方式间歇地涂敷粘接剂9,该粘接剂9的局部渗透于底部层11的纤维间隙中,到达中间层13的表面,但是阻止于密度较高的中间层13处,并不容易事先渗透。由于这样的粘接剂9处于与底部层11的纤维紧密结合在一起的状态,这样即使在粘接力较小的情况下,仍可确实保持于衬垫1上。当从穿着短裤上剥离衬垫1时,粘接剂9不会残留于短裤一侧。
在按照上述方式构成的紧身衬裤衬垫1中,芯体4的底面的密度小于芯体4,处于以难于产生毛细管作用的顶部层12裱衬的状态,只要保持在芯体4中的体液不对芯体4施加较大的体压,便不容易朝向顶部层12和其下方运动。顶部层12形成阻止体液朝向下方运动的阻挡件,另外在坪量是30~150g/m2时,在形成阻挡件的同时,还用作使紧身衬裤衬垫1产生相对沿其厚度方向的压缩,较高的弹性恢复力,而在内面层3中的中间层13为热塑性合成树脂膜的场合,由于该膜具有阻挡件的性能,这样还可省略顶部层12。由于顶底部层11、12与中间层13中的任何一个均具有通气性,这样内面层3在阻止体液从芯体4朝向内面侧运动的同时,可使衬垫1的内面侧具有通气性。
以紧身衬裤衬垫1为实例进行描述的本发明除了衬垫1以外,还可在卫生巾或失禁者用吸垫、一次性尿布等的体液处理用吸收性物品中实施。在内面层3中的中间层13为热塑性合成纤维无纺布的场合,上述的物品适合对紧身衬裤衬垫这样的较少体液进行处理,在中间层13为热塑性合成树脂膜的场合,上述物品适合对卫生巾或一次性尿布这样的物品中的较多体液进行处理。
在本发明的体液处理用吸收性物品中,内面层至少由具有较高密度的热塑性合成树脂层、以及位于其下侧的具有较低密度的热塑性合成纤维层构成。在粘接于穿着衣物的固定手段的粘接剂其粘接力较小的情况下,该粘接剂仍与合成纤维层中的纤维紧密结合在一起,从而确实保持在物品的内面上,并且通过树脂层、阻止该粘接剂朝向内面层的内部运动。该内面层为在芯体底面与树脂层之间具有其密度小于芯体的热塑性合成纤维层的形式,这样便阻止保持于芯体中的体液朝向内面层一侧的运动。该内面层采用通气性的材料,从而可提高吸收物品的通气性。

Claims (7)

1.一种体液处理用吸收性物品,其包括相对皮肤的接触面、非接触面、位于这两个面之间的吸液性芯体,在上述非接触面上形成有相对穿着衣物的粘接性固定区域,其特征在于,
在上述芯体的底面侧,至少设置有高密度的热塑性合成树脂层、与该树脂层的底面接合,其密度小于该树脂层的第1热塑性合成纤维层,上述固定区域由涂敷于上述第1纤维层的底面的粘接剂形成。
2.根据权利要求1所述的吸收性物品,其特征在于,上述树脂层为热塑性合成纤维无纺布和塑料膜中的任何一种。
3.根据权利要求2所述的吸收性物品,其特征在于,上述热塑性合成纤维无纺布为熔喷法无纺布。
4.根据权利要求1~3中的任何一项所述的吸收性物品,其特征在于,在上述芯体的底面与上述树脂层之间设置有其密度小于上述芯体的第2热塑性合成纤维层。
5.根据权利要求1~4中的任何一项所述的吸收性物品,其特征在于,上述树脂层、第1纤维层和第2纤维层具有通气性。
6.根据权利要求1~5中的任何一项所述的吸收性物品,其特征在于,上述第1纤维层和第2纤维层为纺粘型无纺布、热粘型无纺布、射流喷网法无纺布和将这些无纺布中的至少2种叠置而形成的产品中的任何一种。
7.根据权利要求4~6中的任何一项所述的吸收性物品,其特征在于,上述第2纤维层的坪量在30~150g/m2的范围内。
CNB001045482A 1999-01-21 2000-01-21 体液处理用吸收性物品 Expired - Lifetime CN1178635C (zh)

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CN113226235A (zh) * 2018-12-28 2021-08-06 尤妮佳股份有限公司 吸收性物品的包装体

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JP4619159B2 (ja) * 2004-03-23 2011-01-26 花王株式会社 吸収性物品
JP2007105184A (ja) * 2005-10-12 2007-04-26 Kao Corp 吸収性物品の裏面シート
EP1959905A4 (en) * 2005-12-16 2011-04-27 Sca Hygiene Prod Ab ABSORBENT PRODUCT
JP5383063B2 (ja) * 2008-03-04 2014-01-08 ユニ・チャーム株式会社 吸収性物品
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ID24535A (id) 2000-07-27
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SG85693A1 (en) 2002-01-15
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DE60037605D1 (de) 2008-02-14
CA2296584C (en) 2004-03-09
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ATE382320T1 (de) 2008-01-15
CN1178635C (zh) 2004-12-08

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