CN1169851A - 一次性纸裤子 - Google Patents
一次性纸裤子 Download PDFInfo
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- CN1169851A CN1169851A CN97114795A CN97114795A CN1169851A CN 1169851 A CN1169851 A CN 1169851A CN 97114795 A CN97114795 A CN 97114795A CN 97114795 A CN97114795 A CN 97114795A CN 1169851 A CN1169851 A CN 1169851A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
Abstract
本发明提供一种湿润感增强的纸裤子。该纸裤子1的透液性内面薄片11由上层薄片17和下层薄片18构成。在上层薄片17上形成湿润感知域19,下层薄片18含有在湿润状态下前后方向上的长度收缩10%以上的纤维材料,并且与芯部13间断地粘合。
Description
本发明涉及幼儿穿用的一次性纸裤子(training-pants)。
在特开平4-5961号公报中记载了一种在内面薄片的一部分上设置具有亲水性的湿润感知域的纸裤子。另外,在特开平5-59601号公报中记载的纸裤子是至少在内面薄片的中央区域部分地粘合保湿薄片,同时部分地从纸裤子的内面薄片凸出。
由透液性内面薄片、不透液性外面薄片、以及介于这两层薄片间的吸液性芯部(core)构成的纸裤子或一次性尿布,其内面薄片和芯部间断地粘接,排出的体液可以迅速地移行至芯部。但是,如果在上述公知的纸裤子上实施该粘合,则随着体液的迅速移行,在湿润感知域或保温薄片中停留的体液有时会给穿用者带来一种轻微过度的湿润感。
因此,本发明的课题在于使体液容易地停留在纸裤子上的湿润感知域。
为解决上述问题,本发明提供了一种一次性纸裤子,该纸裤子的构成如下:在透液性内面薄片和不透液性外面薄片之间设置吸液性芯部、在前体周围域和后体周围域之间具有胯下域、从上述芯部周缘延伸出来的上述内面薄片和外面薄片互相粘合、上述内面薄片和芯部之间间断地粘合。
本发明的纸裤子的特征在于,其中内面薄片含有一种成为湿润状态后至少在上述胯下域的前后方向上的尺寸收缩10%以上的纤维材料,从而至少能在胯下域的前后方向上收缩,而且收缩后至少该收缩部位可以从上述芯部剥离。另外,通过使上述内面薄片的一定范围具有比该范围的周围区域更高的亲水性而构成湿润感知域。
参照附图详细说明本发明的一次性纸裤子。
图1是用斜视图表示的纸裤子1,由前体周围域2及、后体周围域3及胯下域4构成,前后体周围域2、3由左右侧缘部6、7互相粘合,形成体周开口部8和左右脚开口部9、10。
图2是将纸裤子1的侧缘部6、7分别打开后前后伸展时的局部断面平面图。纸裤子1由透液性内面薄片11及、不透液性外面薄片12及、介于11、12之间的吸液性芯部13构成。内外面薄片11、12从芯部13的周缘延伸出来,在该延伸出来的部分将薄片11、12之间互相粘合,同时在11、12中的一方或双方的内面以伸长状态粘合多条前后体周弹性部件14和左右脚周弹性部件16。
内面薄片11由上层薄片17和下层薄片18构成。上层薄片17形成纸裤子1的内面整体,下层薄片18位于纸裤子1的宽度方向的中央部位,向前后方向延伸成为矩形,如后述图3所示粘合在上层薄片17的下面。上层薄片17是由疏水性的热塑性合成纤维制成的透液性无纺布构成,在图中由多个小点表示的部位进行亲水化处理,形成湿润感知域19。下层薄片18由成为湿润状态后在前后方向上收缩10%以上的透液性无纺布制成,该无纺布例如可以使用在特公平6-102068号公报中公开的聚合度1200-3000、皂化度98.0摩尔%以上的聚乙烯醇水溶液纺丝得到的聚乙烯醇系纤维。
外面薄片12可以使用热塑性合成树脂膜。
芯部13由吸收性翼片21和被覆该翼片的薄页纸等吸收扩散性优良的吸收性薄片22构成。吸收性翼片21含有50重量%以上的粉碎纸浆及、50重量%以下的高吸水性聚合物粒子及、20重量%以下的热塑性合成纤维。
图3为图2的III-III线(中心线)断面图。内面薄片11中,上层薄片17和下层薄片18通过间断涂布的第1热熔融粘合剂31粘合,下层薄片18和吸收性薄片22通过间断涂布的第2热熔融粘合剂32粘合。第1粘合剂31使用对尿为非溶解性的物质,第2粘合剂32可以使用对尿为溶解性的物质,也可以使用对尿非溶解性的物质。
如果向具有这种构成的纸裤子1中排泄尿,由于内面薄片11和芯部13紧密贴合,尿在很短的时间内迅速移行至芯部13。随着时间的经过,内面11的下层薄片18开始收缩,第2粘合剂32如果是对尿为溶解性的物质则开始溶解,下层薄片18和吸收性薄片22之间的粘合力下降。随着收缩和粘合力下降的进一步进行,下层薄片18从吸收性薄片22剥离,自由收缩。另外,当第2粘合剂32为对尿非溶解性的物质时,尿渗透入吸收性薄片22中,在第2粘合剂32与吸收性薄片22的接合部,渗透过吸收性薄片22的尿从吸收性薄片22一侧渗透到该接合部,第2粘合剂32从吸收性薄片22剥落。于是,下层薄片18从吸收性薄片22脱离,可以自由收缩。
图4是穿用状态下的纸裤子1的中心线断面图,示出了内面薄片11在排尿前后的状态。如图所示,被穿用的纸裤子1的弯曲的内面薄片11在排尿后其下层薄片18变成可以自由收缩,如假想的虚线所表示的那样,下层薄片18从芯部13脱离而向上凸出,对穿用者来说是可以向着更强力密合的方向移动。上层薄片17与下层薄片18是一体的,随着薄片18的收缩而产生皱裥,与薄片18一起向上凸出。在上层薄片17的上凸部位形成湿润感知域19。因此,该纸裤子1即使在穿用后一点一点地向下滑,只要湿润感知域19与皮肤接触,该感知域19就会发挥其本来的功能。另外,如果在内面薄片11从芯部13脱离的状态下再次排尿,则尿不会容易地被吸收在芯部13中,而是长时间停留在湿润感知域19或其周边区域,给穿用者带来一种很强烈的湿润感。
本发明的纸裤子1中可以用在湿润状态下显示收缩性的多条纱线代替下层薄片18。该纱线例如有在特公平6-102068号公报中记载的聚乙烯醇类物质。该纱线不只限于在前后方向设置,也可以在左右方向设置多条纱线,当变成湿润状态时上层薄片17从芯部13的脱离和收缩可以变得更快。在上层薄片17上形成湿润感知域19,可以在构成该感知域19的纤维上涂布亲水化处理剂,也可以在该感知域19中混合人造丝纤维等吸水性纤维。下层18和吸收性薄片22之间的粘合优选间断地进行而不至于妨碍薄片18的收缩。另外,上述的粘合面积在湿润感知域19的前后端边缘部的外侧域36处(参照图2)优选比左右侧边缘部的外侧域37处多一些。在其左右侧边缘部的外侧,下层薄片18和吸收性薄片22也可以几乎或完全不粘合。下层薄片18的收缩性优选从润湿开始约10秒种后收缩10%以上。如果进行了如此迅速的收缩,则可以快速感知排尿后的润湿,可以提高训练的效果。用于粘合该下层薄片18的第2粘合剂32的剥离强度优选在干燥时为100g/25mm宽度以上、在湿润时为5g/25mm宽度以下。该湿润时剥离强度的测定是在内面薄片11中含浸其饱和水分量的50%并放置5秒钟后进行的。第2粘合剂32可以使用以SBS、SIS、SEBS、SEPS等为基础的橡胶系的热熔融粘合剂,优选固化时间为2秒以下的物质。内面薄片13的上下层17、18也可以不使用第1粘合剂粘合,而是将二者热熔融粘合。
本发明的一次性纸裤子的内面薄片由于在湿润状态下可以在前后方向上收缩,可以从芯部脱离,向着对穿用者更密合的方向移动,因此即使纸裤子一点点地向下滑动,也会使穿用者产生湿润感。另外,由于在从芯部脱离的内面薄片中长时间地停留被排泄出的尿,所以在湿润感知域给穿用者带来的湿润感增强。
附图的简单说明
图1:纸裤子的斜视图。
图2:断开左右侧边缘部后前后伸展的纸裤子的部分断面平面图。
图3:图2的III-III线断面图。
图4:穿用状态下的纸裤子的中心线断面图。
图中符号说明
1、纸裤子
2、前体周围域
3、后体周围域
4、胯下域
11、内面薄片
12、外面薄片
13、芯部
17、上层薄片
18、下层薄片
19、湿润感知域
21、吸收性翼片
22、吸收性薄片
Claims (6)
1、一种一次性纸裤子,该纸裤子的构成如下:在透液性内面薄片和不透液性外面薄片之间设置吸液性芯部;在前体周围域和后体周围域之间具有胯下域;上述内面薄片和芯部之间间断地粘合;从上述芯部周缘延伸出来的上述内面薄片和外面薄片互相粘合,该纸裤子的特征在于,其内面薄片含有成为湿润状态后至少在上述胯下域的前后方向上的尺寸收缩10%以上的纤维材料,从而至少能在胯下域的前后方向上收缩,而且收缩后至少该收缩部位可以从上述芯部剥离,并且通过使上述内面薄片的一定范围具有比该范围的周围区域更高的亲水性而构成湿润感知域。
2、如权利要求1所述的纸裤子,在其内面薄片中还含有成为湿润状态后在上述胯下域的宽度方向上收缩的纤维材料。
3、如权利要求1或2所述的纸裤子,其中所说的纤维材料为无纺布,该无纺布构成内面薄片的下面的至少一部分。
4、如权利要求1-3中任一项所述的纸裤子,其中纤维材料是至少在上述的前后方向上延伸的纱线,该纱线粘合在内面薄片的下面。
5、如权利要求1-4中任一项所述的纸裤子,其中的芯部由含有50-100重量%的粉碎纸浆的吸收性翼片和被覆在该翼片上的吸收性薄片构成,内面薄片通过粘合剂粘合在上述吸收性薄片上。
6、如权利要求1-4中任一项所述的纸裤子,其中内面薄片和芯部通过水溶性粘合剂粘合,在湿润状态下粘合剂溶解,内面薄片可以从上述芯部脱离。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP172325/96 | 1996-07-02 | ||
JP17232596A JP3343191B2 (ja) | 1996-07-02 | 1996-07-02 | 使い捨てトレーニングパンツ |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1169851A true CN1169851A (zh) | 1998-01-14 |
Family
ID=15939821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97114795A Pending CN1169851A (zh) | 1996-07-02 | 1997-07-02 | 一次性纸裤子 |
Country Status (6)
Country | Link |
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US (1) | US5885264A (zh) |
EP (1) | EP0815821A3 (zh) |
JP (1) | JP3343191B2 (zh) |
KR (1) | KR980008191A (zh) |
CN (1) | CN1169851A (zh) |
ID (1) | ID17346A (zh) |
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-
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- 1996-07-02 JP JP17232596A patent/JP3343191B2/ja not_active Expired - Lifetime
-
1997
- 1997-06-26 ID IDP972202A patent/ID17346A/id unknown
- 1997-06-26 EP EP97304545A patent/EP0815821A3/en not_active Withdrawn
- 1997-07-02 KR KR1019970030560A patent/KR980008191A/ko not_active Application Discontinuation
- 1997-07-02 US US08/887,050 patent/US5885264A/en not_active Expired - Lifetime
- 1997-07-02 CN CN97114795A patent/CN1169851A/zh active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1981724B (zh) * | 2003-09-19 | 2010-05-19 | 花王株式会社 | 吸收性物品的表面片和吸收性物品 |
CN101052366B (zh) * | 2004-11-08 | 2011-01-05 | Sca卫生产品股份公司 | 包括含有变形层的吸收结构的吸收制品 |
Also Published As
Publication number | Publication date |
---|---|
JPH1014976A (ja) | 1998-01-20 |
US5885264A (en) | 1999-03-23 |
KR980008191A (ko) | 1998-04-30 |
EP0815821A2 (en) | 1998-01-07 |
ID17346A (id) | 1997-12-18 |
JP3343191B2 (ja) | 2002-11-11 |
EP0815821A3 (en) | 1999-08-11 |
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