CN107683126A - 具有槽和润湿指示标记的吸收制品 - Google Patents

具有槽和润湿指示标记的吸收制品 Download PDF

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CN107683126A
CN107683126A CN201680030938.5A CN201680030938A CN107683126A CN 107683126 A CN107683126 A CN 107683126A CN 201680030938 A CN201680030938 A CN 201680030938A CN 107683126 A CN107683126 A CN 107683126A
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absorbent article
groove
absorbing material
absorbent
core
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J·A·斯特拉赛梅尔
T·C·菲茨
S·A·桑伯恩
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Procter and Gamble Ltd
Procter and Gamble Co
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    • A61FFILTERS 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
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    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49001Absorbent articles specially adapted to be worn around the waist, e.g. diapers having preferential bending zones, e.g. fold lines or grooves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
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    • A61F13/514Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51496Backsheet, i.e. the impermeable cover or layer furthest from the skin having visual effects
    • AHUMAN NECESSITIES
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    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/531Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
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    • A61F2013/422Absorbent 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 the alarm being a colour change
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/42Absorbent 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
    • A61F2013/428Absorbent 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 for articles with superabsorbent materials
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/84Accessories, not otherwise provided for, for absorbent pads
    • A61F2013/8497Accessories, not otherwise provided for, for absorbent pads having decorations or indicia means

Abstract

本发明提供了一种吸收制品(20),诸如尿布或训练裤,所述吸收制品具有面向穿着者侧和面向衣服侧以及纵向轴线(80)。所述吸收制品包括在面向穿着者侧上的顶片(24)、在面向衣服侧上的底片(25)、以及介于顶片和底片之间的吸收芯(28)。所述吸收芯包括一对大致纵向延伸的槽。所述吸收制品还包括至少部分地与所述槽中的至少一个重叠的润湿指示标记(100),如从所述制品的面向衣服侧所见。

Description

具有槽和润湿指示标记的吸收制品
技术领域
本发明涉及穿着在穿着者裆区中的用于个人卫生的吸收制品,例如婴儿尿布、训练裤和成人失禁制品。这些制品包括槽(channel)和润湿指示标记。
背景技术
上述类型的用于个人卫生的吸收制品被设计成吸收和容纳身体流出物,具体地大量尿液。这些吸收制品包括若干层,例如顶片、底片和两者间的吸收芯,以及其它层。吸收芯的功能是吸收并保持流出物持续延长的时间量,使再润湿最小化以保持穿着者干燥并避免弄脏衣服或床单。
大多数吸收芯包括芯包裹物内的吸收材料。第一类常用吸收材料为粉碎的木浆(所谓的“透气毡”)与颗粒形式的超吸收聚合物(SAP)的共混物,也称为吸收胶凝材料(AGM)。最近也提议过具有SAP作为吸收材料而无纤维素纤维的另一类芯(所谓的“不含透气毡的”芯)。
针对这两类芯,已提议过纵向延伸的流体分配槽。槽能够沿吸收芯的更大区域快速地分配入侵流体,因此改善流体采集并优化对吸收材料的使用。槽也可用来促进将吸收芯折叠成预定型式,因此改善制品对身体结构的适形性。因此建议了各种槽设计。在透气毡芯中,可通过例如局部压花所述吸收材料来提供槽。槽也可由基本上不含吸收材料并被吸收材料包围的区来提供。芯包裹物的顶层可通过这些基本上不含吸收材料的区域由芯包裹物粘结部(本文称为“槽粘结部”)附接到芯包裹物的底层,使得槽对穿着者的运动或具有流体的芯的溶胀更具有弹性。芯包裹物通常包括一个或两个非织造合成材料层,所述合成材料通常为PP或PE。槽粘结部可通过各种方式来提供,诸如对芯包裹物进行胶粘粘结、压力粘结、热粘结和/或超声波粘结。另一方面,对于制造商来讲更简单且成本更低的方式是不通过槽来粘结芯包裹物。吸收芯中槽的存在在使用之前可能难以识别,因为现代吸收制品可能非常薄。WO2015/039062建议生成信号以突显出槽,例如通过将印刷粘合剂层印刷在顶片和吸收芯之间。WO2012/014436A1公开了一种具有显示区域的一次性吸收制品,所述显示区域适于从制品的内侧和外侧两者被视觉地识别。液体吸收结构被成形有中心空隙和侧向空隙。显示区域可通过中心空隙从面向衣服侧被视觉地识别。显示区域可包括尿液指示标记。
发明内容
本发明针对的是吸收制品,诸如尿布或训练裤,如权利要求书中指出。本发明的吸收制品具有面向穿着者侧和面向衣服侧,并且包括:
-在面向穿着者侧上的顶片,
-在面向衣服侧上的底片,以及
-介于顶片和底片之间的吸收芯。
吸收芯包括具有包封吸收材料的顶层和底层的芯包裹物和相对于吸收制品的纵向轴线对称地设置的一对大致纵向延伸的槽。该制品还包括至少部分地与这些槽中的至少一个重叠的润湿指示标记,如从制品的面向衣服侧所见。
通过有利地将润湿指示标记至少部分地放置在由槽所限定的区域内,如从制品外部所见,提供了两个关键特征:首先,润湿指示标记在流体侵害之后可更快地起反应,从而在早期告知看护者尿布已被润湿。槽允许更快地触及流体,从而更快地触发润湿指示标记。其次,当干燥尿布在吸收芯中包括槽时,使用者常常不能够识别。将润湿指示标记放置在槽的区域内(如从制品外部所见)向使用者提供信号,告知使用者产品具有槽技术,并且可提供关于制品内槽的尺寸和放置情况的信号。
附图说明
图1为呈胶粘尿布形式的本发明的示例性吸收制品的示意透视图,如其将穿着在使用者身上那样;
图2为图1的胶粘尿布在其已加载有液体之后的透视图;
图3为图1的尿布的面向衣服侧的平面图,其中制品是平坦放置的;
图4为图1的尿布的横截面;
图5为在与图4相同的点处截取的制品的横截面,其中吸收材料已由于加载有液体诸如尿液而溶胀;
图6为先前各图所示制品的吸收芯的顶视图;
图7为一种另选制品的面向衣服侧的平面图。
图8为另一种另选制品的面向衣服侧的平面图。
具体实施方式
引言
如本文所用,术语“包括”和“包含”是开放式术语,每个均指定其后所述的特征结构例如部件的存在,但不排除本领域已知的或本文所公开的其它特征结构例如元件、步骤、部件的存在。这些基于动词“包括”的术语应当被解读为涵盖较窄的术语“基本上由…组成”,其排除未提及的显著地影响所述特征结构执行其功能的方式的任何元件、步骤或成分;并且涵盖术语“由…组成”,其排除未指定的任何元件、步骤或成分。下文所述的任何优选的或示例性实施方案不限制权利要求的范围,除非明确地指明如此进行。字词“通常”、“常常”、“优选地”、“有利地”、“具体地”等也限定特征结构,它们不旨在限制权利要求的范围,除非明确地指明如此进行。
如本文所用,术语“穿着者”是指失禁患者,其可为成人、儿童或婴儿,并且将穿着所述吸收产品。术语“使用者”是指将所述吸收制品应用到穿着者身上的看护者。“使用者”可为父母、一般家庭成员或专业雇用的看护者。
现在将参考如图所描述的实施方案来进一步说明本发明。为便于讨论,将参考这些图中所标引的数字来讨论吸收制品和它们的部件诸如吸收芯。然而,应当理解,除非具体地指明,否则这些示例性实施方案和数字不旨在限制权利要求的范围。应当了解,本文所公开的量纲和值不旨在严格限于所引用的精确数值。相反,除非另外指明,否则每个这样的量纲旨在表示所引用的值以及围绕该值功能上等同的范围两者。例如,公开为“40mm”的量纲旨在表示“约40mm”。
制品20的一般说明
如本文所用,术语“吸收制品”是指用于个人卫生的一次性制品,诸如婴儿尿布、婴儿训练裤或成人失禁制品等,其可相对于或邻近穿着者的身体放置以吸收并容纳从身体排放的流出物,具体地尿液。本发明的吸收制品将以胶粘尿布的形式在下面说明书和附图中进一步举例说明。然而,除非另有明确地指明,不应认为该说明限制权利要求的范围。
现在将以图1中所示例性表示的婴儿尿布20的形式来大致讨论并进一步举例说明该吸收制品。图1为示例性尿布20的透视图,如其将由使用者(未示出)穿着的那样,其中胶粘后端42在尿布的前部上附接到着陆区44。制品的面向衣服侧当被穿着者穿着时构成其外表面,并且基本上由底片层25组成。典型的底片包括液体不可透过的膜,其可在外部被其表面上的更柔软的非织造层覆盖而成为双层的。底片膜可包括微孔以使所述膜成为蒸气可透过的。底片层的示例将在下文中进一步讨论。
图3进一步以平展构型示出了尿布,其中胶粘端是打开的,并且面向衣服侧朝上。以闭合方式提供给使用者的制品诸如训练裤也可通过沿其侧腰部切割它而被示出为平坦的。吸收制品通常将具有前边缘10、后边缘12和纵向延伸的侧向侧边缘13,14。前边缘10形成前腰的边缘,并且后边缘12形成后腰的边缘,当被穿着者穿着时所述边缘共同形成穿着者腰部的开口。侧向边缘13,14可各自形成腿部开口之一。制品具有分别由纵向轴线80和横向轴线90限定的纵向和横向。纵向轴线80延伸穿过制品前边缘和后边缘10,12的中间,并且因此虚拟地将制品分成对称的左侧和右侧。制品具有沿该纵向轴线介于制品的前边缘和后边缘之间的长度L。横向轴线90垂直于纵向轴线延伸,并且与纵向轴线交叉于介于前边缘和后边缘之间的中间位置(与前边缘和后边缘相距L/2)。制品的裆点C在本文中被限定在制品的纵向轴线80上的点处,所述点放置在与前边缘相距2/5L的距离处。
本发明的吸收制品在吸收芯中包括至少两个大致纵向延伸的槽26、和至少一个润湿指示标记100,所述润湿指示标记为透过制品的面向衣服区域可见的,并且至少部分地被放置在面向衣服侧的与槽重叠的区域内,如图1和图3所示。当穿着者在吸收制品中排尿时,槽纵向地沿它们的长度分配所述流体。至少部分地与槽重叠的润湿指示标记可因此更快地对第一次液体侵害起反应,从而非常早地警示看护者发生了排尿。所谓“重叠的”,是指当制品被认为处于平坦构型时,两个元件被定位成竖直关系,如图3-4所示。重叠的部件可直接接触或间接接触。润湿指示标记100通常可为如图1-2所示的变色组合物,其中参考数字100’命名具有不同于未反应的润湿指示标记100的外观(例如颜色)的反应过的润湿指示标记。相似地,参考数字20’命名加载有一些流体诸如尿液的制品。
吸收制品的其它层更好地示出于图4中,除了液体可透过的顶片24和液体不可透过的底片25之外,该图还以横截面示出了介于顶片24和底片25之间的吸收芯28。任选的采集和/或分配层54连同其它典型的尿布部件示出于图4的尿布上。典型的采集和/或分配层54不包含SAP,因为这可能减慢流体的采集和分配,但如果期望一些流体保持特性的话,则附加层也可包含SAP。现有技术公开了可使用的采集层和/或分配层的许多类型,参见例如WO2000/59430(Daley)、WO95/10996(Richards)、US5,700,254(McDowall)、WO02/067809(Graef)。
吸收制品通常可包括一对部分地直立的阻隔腿箍34和基本上与基础结构成一平面的弹性化衬圈箍32。这两类箍通常接合到吸收制品的基础结构,通常经由粘结到顶片和/或底片来接合。US3,860,003描述了提供可收缩腿部开口的一次性尿布,该腿部开口具有侧翼和一个或多个弹性构件以提供弹性化腿箍(衬圈箍32)。授予Aziz等人的US4,808,178和US4,909,803描述了具有“直立”弹性侧翼(阻隔腿箍34)的一次性尿布,所述侧翼改善了腿区的约束性。分别授予Lawson和Dragoo的US4,695,278和US4,795,454描述了具有双箍(包括衬圈箍和阻隔腿箍)的一次性尿布。阻隔腿箍和/或衬圈箍中的全部或一部分可用洗剂处理。所述吸收制品还可包括未示出的其它典型的部件,诸如后弹性腰部结构、前弹性腰部结构、一个或多个横向阻隔箍、洗剂应用等。
吸收芯28的一般说明
如本文所用,术语“吸收芯”是指如下部件,其用于或旨在用于吸收制品中,并且包括被包封在芯包裹物中的吸收材料。如本文所用,术语“吸收芯”不包括顶片、底片和(如果存在的话)任何采集-分配层或多层系统,它们不是吸收芯的整体部分。吸收芯通常为吸收制品的部件,其具有吸收制品的所有部件的大部分吸收容量,并且包含全部或至少大部分超吸收聚合物(SAP)。吸收芯可基本上由或由芯包裹物、吸收材料和任选地粘合剂组成。术语“吸收芯”和“芯”在本文中互换使用。
包括槽的示例性芯28以处在吸收制品外部的干燥状态示出于图6中。吸收芯通常可展平在表面上,如图6所示。吸收芯通常也可为薄型且可适形的,使得它们也可在它们的制备过程中被铺展在非平坦表面例如转筒上,或者在被转换加工成吸收制品之前被储存为连续的库存材料卷。为便于讨论,图6的示例性吸收芯以平坦状态表示,并且沿纵向80’和横向90’延伸。这些方向通常平行于吸收制品的对应方向。除非另外指明,本文所公开的尺寸和面积适用于处于该平展构型的芯。相同的情况适用于如下吸收制品,其中芯为整合的。
吸收芯通常可为大致矩形的,带有沿横向的宽度W’和沿纵向的长度L”(如从边缘至边缘所测量),包括不包封吸收材料的芯包裹物的区域,具体地在前端和后端280,282(它们可为密封的或者可不为密封的)处。如果芯不是矩形的,则沿横向和纵向测量的最大尺寸可用来记录芯的长度和宽度。芯的宽度和长度可取决于预期用途而有差别。对于婴儿和幼儿尿布,宽度W’可例如在40mm至200mm范围内,并且长度L”在100mm至500mm范围内,如沿芯的纵向轴线80所测量的。
芯包裹物可包括一般形成芯的顶侧面的顶层16和一般形成芯包裹物的底侧面的底层16’。顶层和底层可由两个独立基底形成,所述基底可为相同或不同的材料(顶层为例如经亲水性处理的),但也可使用任何其它已知的芯包裹物构造,例如,其中芯包裹物由单一纤维网形成,所述纤维网用一个单一纵向密封件包裹在吸收材料周围。顶层和底层可通过胶粘或其它方式附接以沿芯的纵向延伸的侧边缘284,286中的每个形成至少一个C形包裹密封件。顶层和底层的材料可为非织造纤维网,诸如包括纺粘(“S”)层或熔喷(“M”)层的层合体。例如,熔纺聚丙烯非织造织物是合适的,具体地是具有层合幅材SMS、或SMMS或SSMMS结构,并具有约5gsm至15gsm基重范围的那些。合适的材料例如公开于US 7,744,576、US2011/0268932A1、US 2011/0319848A1和US 2011/0250413A1中。底层16’可为固有地疏水性但空气可透过的,并且顶层16可为经亲水性处理的。沿芯包裹物的前边缘282和后边缘280可存在密封件以便更好地约束吸收材料,但许多芯不具有此类横向密封件。
芯中的吸收材料可为任何类型,具体地其可包括与超吸收聚合物混合的木浆纤维或不含此类纤维素纤维(“不含透气毡的”芯)。第一类芯通常包括40%至80%的超吸收聚合物(在本文中缩写为“SAP”)。对于包含被包封在芯包裹物内的相对高比例的超吸收聚合物的吸收芯,按吸收材料的重量计,SAP含量可表示具体地至少85%、90%、95%且至多100%的超吸收聚合物。按吸收材料的重量计,吸收材料可具体地不包括或仅包括少量的纤维素纤维,诸如小于20%,具体地小于10%,5%或甚至0%的纤维素纤维。吸收材料因此可有利地由或基本上由SAP组成。术语“超吸收聚合物”在本文中是指吸收材料,其可为交联聚合物材料,并且当使用“离心保留容量”(CRC)测试(EDANA方法WSP 241.2-05E)来测量时,所述交联聚合物材料通常可吸收至少10倍于它们自身重量的0.9%盐水溶液。SAP可具体地具有超过20g/g,或超过24g/g,或20至50g/g,或20至40g/g,或24至30g/g的CRC值。SAP通常可呈颗粒形式(超吸收聚合物颗粒),但不排除可使用其它形式的SAP,诸如例如超吸收聚合物泡沫。吸收芯因此可相对较薄,具体地簿于包含纤维素纤维的常规芯。
吸收材料60限定吸收材料沉积区域8,如从上方在芯的平面内从吸收芯的顶侧面所见,如图6所示。沉积区域包括包纳在内部的槽26。吸收材料沉积区域8可为大致矩形的,例如如图6所示,但也可使用其它形状,诸如“T”或“Y”或“沙漏”或“狗骨”形状。具体地,沉积区域可沿其宽度在芯的裆区处表现出渐缩,如图7所示。以这种方式,吸收材料沉积区域在旨在置于吸收制品裆区中的芯区域中可具有相对窄的宽度。这可提供例如更好的穿着舒适性。
槽26
本发明的吸收芯包括相对于吸收制品的纵向轴线80对称地设置的一对大致纵向延伸的槽26。槽可通过如本领域中所公知的各种方法来提供。通常,槽可由吸收芯内的基本上不含吸收材料的区域形成(如图4和图6所示)。所谓“基本上不含”,是指在槽区域中,吸收材料的基重为吸收材料沉积区域8的剩余部分中的吸收材料平均基重的至少小于25%,具体地至少小于20%,或小于10%。具体地,在槽中可不存在吸收材料。在制造过程中可能出现的少量诸如非故意的具有吸收材料的污染物不认为是吸收材料。如图6所示,当在芯的平面内观察时,槽26有利地被吸收材料包围,这意味着槽不延伸至吸收材料的沉积区域8的任何边缘。
芯包裹物的顶层16可通过槽26由芯包裹物粘结部27附接到芯包裹物的底层16’,如图4所示。如图4-5所示,当吸收材料在吸收液体后溶胀时,芯包裹物粘结部27可因此保持至少初始附接在槽26中。芯的其余部分中的吸收材料在其吸收液体时溶胀,使得芯包裹物沿其中不存在芯包裹物粘结部27的每个槽26形成三维槽26’。初始槽26和三维槽26’可将入侵流体沿它们的长度分配至芯的更宽区域,并且因此提供更快的流体采集速度和对芯吸收容量的更好利用。随着吸收材料溶胀,槽26’变得更深并且足够深(如对溶胀的芯所测量的,数毫米,例如至少3mm的深度),从而成为透过底片从制品外部可见的。三维槽26’也可提供覆盖层诸如纤维层54的变形,并且提供覆盖层中的对应沟槽29。槽也可在吸收芯中由基本上不含吸收材料的区域形成,而不具有芯包裹物粘结部。相比于粘结的槽,非粘结的槽通常将在润湿时形成较不明显的三维槽。
当存在时,芯包裹物粘结部27可沿槽26连续地延伸,但其也可为不连续的(间断的),诸如一系列点粘结部。通常,粘合剂可用来通过槽将顶层附接到芯包裹物的底层,但也有可能经由其它已知的附接方式诸如压力粘结、超声波粘结或热粘结或它们的组合来粘结。如下文所更详述,如果存在于芯中,则芯包裹物粘结部可由一种或多种粘合剂材料,具体地一个或多个辅助胶层(未示出)或纤维粘合剂材料层来提供。因此这些胶可起到固定吸收材料并将芯的顶层和底层附接在一起的双重功能。所述一种或多种辅助胶可通过槽式涂布以一系列细胶狭槽(例如1mm宽)沿纵向施加。
以下为槽的形状和尺寸的示例,但它们不限制本发明的范围。一般来讲,由于一些制造过程所需的容限,芯包裹物粘结部27可具有与槽26相同但略小的轮廓。槽26可存在于制品的裆区内,所述裆区被限定为制品的纵向中部三分之一。吸收芯也可包括超过两个槽,例如至少3个,或至少4个或至少5个或至少6个槽。
槽26大致纵向延伸,这意味着每个槽区域沿纵向延伸得与沿横向延伸得至少一样多,并且通常沿纵向的延伸量为沿横向延伸量的至少两倍(如在投影在相应轴线上之后所测量的)。如图6所示,吸收芯通常也具有与制品的纵向轴线接续的纵向轴线80’。槽26可具有投影在芯的纵向轴线80’上的长度L’,所述长度为吸收制品长度L的至少10%,具体地20%至80%。槽26可例如具有如在纵向轴线上测量的至少2cm,或至少4cm,6cm,8cm,或10cm,且例如至多40cm,或30cm的长度L’。较短的槽也可存在于芯中,例如存在于芯的后区或前区中,如见于例如WO2012/170778的附图中。
槽26包括相对于制品的纵向轴线80对称布置的一对槽或者可由其组成,如通过附图中的示例所示。槽26可为弯曲的,具体地它们可朝纵向轴线80/80’成凹形,如例如图3/6所示,或者它们可完全纵向地取向并且平行于芯的纵向轴线80’,如图6所示。对于弯曲的槽,曲率半径通常可至少等于吸收材料沉积区域8的平均横向尺寸(并且优选地至少1.5或至少2.0倍于该平均横向尺寸)。槽可为完全直的或部分地直的,但与平行于纵向轴线的线成(例如5°)至多30°,或例如至多20°,或至多10°的角度。对于槽,曲率半径可以是恒定的,或者可沿其长度变化。还有利的是,不存在与制品的纵向轴线80重叠或重合的槽以避免制品沿该方向折叠。槽可有利地在它们的整个纵向尺寸上彼此间隔开。最小的间距可以为例如至少5mm,或至少10mm,或至少16mm,在其间为润湿指示标记留有足够的空间。
此外,为降低流体渗漏的风险,槽26可有利地不延伸到达吸收材料沉积区域8的任何边缘,并且因此被芯的吸收材料沉积区域8包围并完全被包纳在所述吸收材料沉积区域内。通常,槽26和吸收材料沉积区域8的最近边缘之间的最小距离为至少5mm。每个槽可沿其长度的至少一部分具有至少2mm,或至少3mm或至少4mm,至多例如20mm,或16mm或12mm的宽度Wc。每个槽26的宽度Wc可在基本上其整个长度内恒定或者可沿其长度变化。
当吸收材料吸收液体诸如尿液并开始溶胀时,吸收芯中的三维槽26’开始形成。随着芯吸收更多液体,由这些槽所形成的凹入部将变得更深并且从制品外部看起来和摸起来更明显,因为底片被消耗的吸收材料向外推挤,如图2/5所示。如果芯包裹物粘结部27足够强,并且SAP的含量不太高,则芯包裹物粘结部有可能保持持久,直到吸收材料完全饱和。另一方面,在一些情况下,芯包裹物粘结部还可在芯基本上加载时限制吸收材料的溶胀。因此发明人已发现当暴露于大量流体时,芯包裹物粘结部27还可被设计成以受控方式打开。因此所述粘结部可至少在吸收材料吸收中等量流体的第一阶段期间保持基本上完整。在第二阶段中,槽中的芯包裹物粘结部27可开始打开以为吸收材料提供更多空间用于溶胀,同时保持槽的大部分有益效果,诸如芯在横向上的增加的柔韧性和流体管理。在第三阶段中,对应于非常高的吸收芯的饱和度,更显著部分的槽粘结部可打开以为溶胀的吸收材料提供甚至更多空间用于膨胀。槽内的芯包裹物粘结部27的强度可例如通过改变用于附接芯包裹物的两个侧面的胶的含量和性质,用于制备芯包裹物粘结部的压力和/或吸收材料的分布来控制,因为更多的吸收材料通常将导致更多的溶胀,并将对粘结部施加更多压力。芯包裹物的材料的延展性也可起到一定作用。
润湿指示标记100
吸收制品20包括润湿指示标记100,其从制品的面向衣服侧可见,并且在与身体流出物,具体地尿液接触时改变外观。润湿指示标记可包括单一区域,但其也可包括若干区域。例如,当吸收制品包括两个槽时,吸收制品可在两个区域中包括润湿指示标记,每个槽对应于一个区域。在一个槽区域内,润湿指示标记也可包括如图3所示的单一区域,但也有可能润湿指示标记可被如图7所示的多个润湿指示标记区域100p包括。后者可允许印刷更美观的图案,例如带有动物形状、几何形状(诸如三角形、正方形或圆形)、或物体形状(比如玩具、汽车)等。在本文中,术语“润湿指示标记”的使用将因此独立于所存在的且透过面向衣服侧可见的离散润湿指示标记区域的数目。
当从面向衣服侧观察时,润湿指示标记100至少部分地与由槽所限定的区域重叠,如图3所示。所谓“重叠的”,是指当制品被认为处于平坦构型时,润湿指示标记至少部分地在由槽所限定的区域中被定位成竖直地同形的,如图3-4所示。所谓“如从制品的面向衣服侧所见”,是指虽然润湿指示标记100可不直接放置在槽26的平面中或甚至放置在芯28内,但当从外部考虑制品20,即通常观察底片的向外表面时,如图1所示,润湿指示标记看起来至少部分地被放置在槽26内。由于当制品充分加载有尿液时,三维槽26’通常是从制品外部可见的,如图2所示,因此当从制品外部观察时,润湿指示标记通常看起来也是在加载的制品中放置在三维槽26’内的。词“看起来”在本文中应在广义上理解,因为在一些实施例中,润湿指示标记可包含或由显现信号或消失信号组成,使得润湿指示标记仅在润湿或干燥状态下对观察者可见,如将在下面进一步例示的。根据本发明的该布置结构提供润湿指示标记对入侵流体的更快的反应。润湿指示标记也用来向制品的使用者指示槽的位置。否则的话槽26可能在干燥制品中不是可立即识别的。润湿指示标记通常还可被放置在底片和吸收芯之间,即放置在吸收芯的芯包裹物的底层和底片(通常为构成底片的至少一部分的聚合物膜层)之间。
本发明的润湿指示标记可为根据本领域已知的任何润湿指示系统的。已知润湿指示标记可提供显现信号、消失信号或颜色变化信号,当然以及它们的组合。通常,将使用变色信号,其示例将在下文中进一步详述。
显现信号通常将在干制品中不可见或更一般地讲不可感知,并且在制品润湿时变得可见或换句话讲可感知。显现信号可例如由组合物提供,所述组合物为透明的或具有与底片材料的颜色匹配的颜色,所述组合物在其干燥状态下通常为白色,然后当与尿液接触时改变成不同的颜色。其它显现润湿指示标记还可以为能够提供指示吸收组件的饱和度的生理感知的元件。此类元件的示例公开于WO2008/132630中,并且包括温度变化元件(冷却或加热元件)、压力诱导元件或泡沫生成元件。
润湿指示标记可在制品润湿时提供消失信号。消失信号可由组合物提供,所述组合物在干燥时具有第一颜色,并且变成与底片的普通颜色或印刷在底片上的任何图形匹配的第二颜色,使得第二颜色比制品上的第一颜色更不易识别。此类消失信号可例如由组合物提供,所述组合物包含染料,该染料溶于尿液,因此在制品润湿时褪色。
润湿指示标记可有利地提供颜色变化信号,其通常可由组合物获得,所述组合物具有干燥时的第一颜色,以及润湿时不同于第一颜色的第二颜色,考虑干燥和润湿状态下的制品,两种颜色均可被外部观察者所识别。具体地,润湿指示标记可为颜色变化组合物,其包含合适的pH指示剂或当与尿液接触时改变颜色的另一种化学物质。此类组合物例如在WO03/070138A2、WO2010/120705(Klofta)或US2012/165771(Ruman)中公开。先前引用的文献给出了此类合适的pH指示剂的多个示例,其例如包括溴甲酚绿、溴甲酚紫红、溴酚蓝、间甲酚紫红、甲酚红、氯酚红、溴百里酚蓝、溴邻苯三酚红、溴二甲苯酚蓝、吖啶、或吖啶橙、百里酚酞、百里酚蓝、二甲酚蓝、溴氯酚蓝和靛胭脂。溴甲酚绿例如可以具有酸稳定剂的组合物形式施加,使得pH指示剂在干制品上呈现黄色,并且在与尿液接触时转变成绿-蓝色调,尿液的典型pH为约pH 7。
更一般地,本发明的润湿指示标记组合物可以在WO2010/120705(Klofta)中公开,并包含着色剂、基质和稳定剂。着色剂具有与润湿指示标记组合物的第一状态相关联的初始颜色状态。该第一颜色状态的示例包括但不限于人眼可见的颜色,诸如红色、蓝色、绿色、靛蓝、紫色、黄色、橙色、紫红色等;人眼不可见的颜色,诸如在电磁波谱的紫外(或UV)或红外(或IR)部分中可见的颜色等。第一颜色状态可为不可见的、白色、黑色、半透明的或不透明的。着色剂也具有与润湿指示标记组合物的第二状态相关联的最终颜色状态。该第二颜色状态的示例包括但不限于人眼可见的颜色,诸如红色、蓝色、绿色、靛蓝、紫色、黄色、橙色、紫红色等;人眼不可见的颜色,诸如在电磁波谱的UV或IR部分中可见的颜色等。当与第一颜色状态相比时,第二颜色状态可为不可见的、白色、黑色、半透明的、不透明的,或具有强度变化或视觉特殊性等。着色剂的初始颜色状态(以某种形式)不同于最终颜色状态。例如,初始颜色状态可为第一颜色诸如黄色,而第二颜色状态可为不同的颜色诸如蓝色;或者初始颜色状态可为第一颜色诸如蓝色,而第二颜色状态可为透明的,诸如人眼不可见且仅在电磁波谱的UV部分中可见的颜色。在本发明的可选的实施方案中,润湿指示标记组合物可包含两种或更多种着色剂。着色剂可按如下含量用于组合物,所述含量有效地指示液体的存在,并且按所述组合物的重量计包括约0.001%至约5%、约0.005%至约2%、以及约0.01%至约1%、并且甚至0.01%至0.5%。
润湿指示标记组合物可包含基质,其用来在与液体接触之前、期间和之后,将着色剂保持在适当位置。本发明的基质可高度地阻抗着色剂浸析,并且可阻抗高湿度环境中的过早活化。在与液体诸如尿液、经液、血液等接触时,基质允许足够的液体接触着色剂并且产生外观变化。基质同时有助于阻止着色剂(在其初始颜色状态或最终颜色状态中)浸析出基质而进入到周围环境诸如一次性吸收制品的吸收芯中。当将润湿指示组合物附接到基底时,基质并因此组合物应当具有足够的润湿和干燥胶粘性、粘附性和/或柔韧性以完全保留在基底上。此类基质可包括第一粘结剂和第二粘结剂,如在WO2010/120705中具体公开的,并且可以有效固定并稳定着色剂的含量用于润湿指示标记组合物中,所述含量包括按所述组合物的重量计,约5%至约95%,约10%至约80%,以及约25%至约75%。
第一粘结剂可为如下的任何材料,所述材料当着色剂处于其初始颜色状态时固定着色剂。有各种材料可适于用作本发明的润湿指示组合物的第一粘结剂。被选作第一粘结剂的材料将为如下的任何材料,所述材料当着色剂处于其第一颜色状态时固定着色剂。可能的第一粘结剂包括但不限于松香、松香酯、聚合松香、季戊四醇松香酯、苯乙烯化萜烯、聚萜烯树脂、萜烯酚醛塑料、以及它们的组合。第一粘结剂可按如下含量用于组合物,所述含量有效地将着色剂固定并稳定在其第一状态中,按所述组合物的重量计,包括约4%至约90%、约10%至约75%、以及约20%至约65%。
第二粘结剂可为如下的任何材料,所述材料在着色剂处于其最终颜色状态时固定着色剂。有各种材料可适于用作本发明的润湿指示组合物的第二粘结剂。第二粘结剂可选自但不限于授予Klofta的USPN 6,904,865中所公开的那些第二粘结剂。第二粘结剂可选自:季铵盐化合物、阳离子粘土、聚丙烯酸聚合物、有机酸、以及它们的组合。合适的季铵化合物的示例包括但不限于二甲基(2-乙基己基氢化牛油烷基)甲基硫酸铵、椰烷基甲基[乙氧基化(15)]氯化铵、十二烷基三甲基氯化铵、十六烷基三甲基甲基硫酸铵、十八烷基三甲基氯化铵、二椰烷基二甲基氯化铵、二(氢化牛油烷基)二甲基氯化铵、以及二硬脂酰二甲基氯化铵。应当指出的是,与季化合物或具有一种或多种阳离子团的任何第二粘结剂相关联的抗衡阴离子具体地讲不限于氯离子。也可采用其它阴离子,并且非限制性示例包括甲基硫酸根和亚硝酸根。类似地,任何合适的抗衡阳离子诸如但不限于钠、钾、钙、镁、锌、质子、铵、取代的铵等均可与具有一种或多种阴离子基团的第二粘结剂相关联。
润湿指示标记组合物还可包括稳定剂,如例如WO2010/120705中所详述的。当着色剂为pH指示剂并且当吸收制品可能在高温高湿条件下贮存时,可能期望包括稳定剂。在润湿指示标记组合物内包括稳定剂对于如下的新型尿布设计来讲也是尤其重要的,其中所存在的材料和/或化学物质有可能会过早地激活润湿指示标记组合物内的着色剂的颜色变化。稳定剂可以为酸性或碱性稳定剂。不受理论的束缚,据信包括稳定剂可通过如下方式起到稳定着色剂的作用以防止因暴露于潮湿环境和/或尿布的某些部件中而过早变化:保持稳定的pH,诸如在着色剂周围用酸性稳定剂保持低pH环境,甚至当所述系统暴露于高湿度和/或尿布的某些部件时也是如此。这种对稳定的pH环境的维持将着色剂(尤其是当着色剂为pH指示剂时)保持在其初始干燥颜色状态。稳定剂(当存在时)通常以如下含量用于组合物,所述含量有效地稳定着色剂,按所述组合物的重量计,为约0.001%至约30%,约0.1%至约15%,以及约1%至约10%。
变色组合物还可为热熔性粘合剂,其允许例如通过槽式涂布法、喷墨印刷或具体地印刷粘合剂涂布将组合物容易地施加在制品的基底部件上,如例如US2011/274834(Brown)中所公开。印刷粘合剂涂布允许具体地将包括润湿指示剂的热熔融组合物精确地放置在基底的选定区域中,诸如制品的底片层的面向内的表面。US8186296(Brown)公开了可用来将粘性流体诸如包括变色剂的粘合剂以预定图案施加到推进的基底的设备。流体施涂设备可包括狭槽冲模施用装置和基底载体。基底载体可包括一个或多个图案元件,并且可适于推进基底经过狭槽冲模施用装置,其间狭槽冲模施用装置向基底上排放粘合剂。在操作中,基底设置在基底载体上;基底载体推进基底经过狭槽冲模施用装置的狭槽开口。继而,基底在狭槽冲模施用装置和图案元件的图案表面之间受到间歇压缩。随着基底受到间歇压缩,从狭槽冲模施用装置中排放的粘合剂在如下区域中被施加到基底上,所述区域具有与由图案表面所限定的形状基本上相同的形状。
热熔性粘合剂组合物可典型地在高于60℃的温度下变成流体并且在接触其施涂于其上的基底时随着其冷却而固化。热熔性粘合剂可包括一种或多种聚合物以提供内聚强度(例如,脂族聚烯烃诸如乙烯-丙烯共聚物、聚醚酰胺、聚醚酯以及它们的组合;乙烯-乙酸乙烯酯共聚物;苯乙烯-丁二烯或苯乙烯-异戊二烯嵌段共聚物;等),树脂或类似材料(有时被称为增粘剂)以提供粘附强度(例如,从石油馏分蒸馏出的烃类;松香和/或松香酯;衍生自例如木材或柑橘类的萜烯,等);以及任选的蜡、增塑剂或其它材料以改性粘度(例如,矿物油、聚丁烯、石蜡油、酯油等)、和/或包括但不限于抗氧化剂或其它稳定剂的其它添加剂。基质可包含第一粘结剂和第二粘结剂。基质用来在接触液体之前、接触期间和接触之后将着色剂保持在适当位置。
更一般地,本发明的热熔性润湿指示标记(HMWI)可例如按以下重量百分比范围包含pH敏感着色剂(pH指示剂)、水不溶性组分(树脂/增粘剂)、润湿剂(聚合物、表面活性剂)、稳定剂(酸)、流变改性剂和抗氧化剂:
在制备吸收制品期间,可使用常规技术例如先前所述的印刷、喷涂或涂布或印刷粘合剂涂布将润湿指示标记组合物施加在吸收制品的任何层上。所述层可有利地为底片的内表面或芯包裹物的底层的外表面。这使得润湿指示标记由于底片中的透明性而从制品的外部可见,同时将润湿指示标记组合物保持在制品中。通过槽式涂布法可特别容易地将润湿指示标记施涂到层如非织造布或膜上,尤其是如果组合物可以热熔体的形式施涂时。槽式涂布法允许利用界限清楚的狭槽或在转换加工生产线上纵向延伸的一系列狭槽,其通常平行于制品的纵向。润湿指示标记组合物的这种狭槽100例如以两个纵向延伸的润湿指示标记区域100的形式示出于图8中,每个区域存在于等同地纵向延伸的槽26内。
润湿指示标记可小于、长于、细于、宽于其所存在于其中的槽26中的每个,或者具有与它们相等的长度或宽度。通常可能有利的是具有相对长的润湿指示标记,例如至少10cm长,以便向护理人员赋予制品中的液体量或再分配的更好指示。润湿指示标记可完全包纳在由槽26所限定的区域中,如图所示;但也不排除润湿指示标记可部分地位于槽之外。
制备制品的方法-层之间的关系
本发明的吸收制品可由本领域已知的任何常规方法制成。具体地,所述制品可手工制成或以高速在工业上生产。通常相邻层和部件将使用常规的粘结方法诸如通过槽式涂布或喷涂在层的整个或部分表面上的粘合剂涂层,或热粘结、或压力粘结或它们的组合而接合在一起。该粘结被示例性地表示为槽26内的芯包裹物层之间的粘结部27。为清楚和便于理解起见,未示出其它胶粘和附接,但应当认为除非明确地排除在外,存在制品的层之间的典型粘结。粘合剂可通常用于改善不同层之间,例如底片和芯包裹物之间的粘附。所用的胶可为本领域已知的任何标准热熔融胶。
吸收芯28,具体地其吸收材料沉积区域8可以或可以不至少与纤维采集层和/或分配层54一样大和长,且有利地至少部分地大于和/或长于纤维采集层和/或分配层54。这是因为芯中的吸收材料通常可比纤维层54更有效地保持流体并在较大区域中提供干燥有益效果。吸收制品可具有矩形SAP层和非矩形(成型的)纤维采集/分配层。吸收制品还可具有矩形(未成型的)纤维层和矩形SAP层。
杂项
应当了解,本文所公开的量纲和值不旨在严格限于所引用的精确值。相反,除非另外指明,否则每个这样的量纲旨在表示所引用的值以及围绕该值功能上等同的范围两者。例如,公开为“40mm”的量纲旨在表示“约40mm”。

Claims (15)

1.一种吸收制品(20),诸如尿布或训练裤,所述吸收制品具有面向穿着者侧和面向衣服侧以及纵向轴线(80);所述吸收制品包括:
-在所述面向穿着者侧上的顶片(24),
-在所述面向衣服侧上的底片(25),以及
-介于所述顶片和所述底片之间的吸收芯(28);所述吸收芯包括芯包裹物,所述芯包裹物具有包封吸收材料(60)的顶层(16)和底层(16’),其中所述吸收芯包括相对于所述吸收制品的纵向轴线(80)对称地设置的一对大致纵向延伸的槽(26)
其特征在于所述吸收制品还包括润湿指示标记(100),所述润湿指示标记至少部分地与所述槽中的至少一个重叠,如从所述制品的面向衣服侧所见。
2.根据权利要求1所述的吸收制品,其中所述润湿指示标记被放置在所述芯包裹物的底层和所述底片之间。
3.根据前述权利要求中任一项所述的吸收制品,其中所述润湿指示标记包括当与尿液接触时改变外观的组合物,具体地包含pH指示剂和/或水溶性染料的组合物。
4.根据前述权利要求所述的吸收制品,其中将所述组合物槽式涂布或印刷在所述吸收制品的部件上,具体地槽式涂布或印刷在所述底片的面向所述吸收芯的侧面上。
5.根据权利要求4所述的吸收制品,其中所述尿液指示标记包括单一润湿指示标记区域(100),所述单一润湿指示标记区域在存在所述润湿指示标记的所述槽中的至少一个中。
6.根据权利要求4所述的吸收制品,其中所述尿液指示标记包括两个或更多个润湿指示标记区域(100p),所述两个或更多个润湿指示标记区域在存在所述润湿指示标记的所述槽中的至少一个中。
7.根据前述权利要求中任一项所述的吸收制品,其中所述吸收芯不包括与所述纵向轴线(80)重叠的槽。
8.根据前述权利要求中任一项所述的吸收制品,其中所述槽为直的并且被取向成平行于所述吸收制品的纵向轴线,或者其中所述槽为弯曲的,具体地朝所述吸收制品的纵向轴线凹形弯曲。
9.根据前述权利要求中任一项所述的吸收制品,其中所述槽为所述吸收芯的基本上不含吸收材料(60)的区域,具体地其中所述芯包裹物的顶层通过所述槽中的至少一个粘结到所述芯包裹物的底层。
10.根据前述权利要求中任一项所述的吸收制品,其中按所述吸收材料的重量计,所述吸收材料包含至少70%,具体地至少80%且至多100%的超吸收聚合物颗粒。
11.根据权利要求1-9中任一项所述的吸收制品,其中按所述吸收材料的重量计,所述吸收材料包含40%至80%的超吸收聚合物颗粒。
12.根据前述权利要求中任一项所述的吸收制品,其中至少一个槽具有投影在所述制品的纵向轴线(80)上的长度(L’),所述长度为所述吸收制品的长度(L)的至少10%和/或至少2cm长。
13.根据前述权利要求中任一项所述的吸收制品,其中至少一个槽至少在其部分的一些中具有至少2mm,具体地2mm至20mm的宽度(Wc)。
14.根据前述权利要求中任一项所述的吸收制品,其中所述芯包裹物内的所述吸收材料(60)的周边限定吸收材料沉积区域(8),并且其中所述吸收材料沉积区域为矩形或被成型为在裆点(C)处的宽度窄于所述芯的其余部分中的吸收材料沉积区域的最大宽度,其中所述裆点被限定为所述芯的纵向轴线(80)上的点,并且被放置在距所述吸收制品的前边缘(10)五分之二(2/5)L的距离处,L为所述吸收制品沿其纵向轴线(80)所测量的长度。
15.根据前述权利要求中任一项所述的吸收制品,其中所述芯包括介于所述吸收材料(60)和所述顶层(16)之间和/或介于所述吸收材料和所述芯包裹物的底层(16’)之间的辅助胶。
CN201680030938.5A 2015-05-29 2016-05-24 具有槽和润湿指示标记的吸收制品 Pending CN107683126A (zh)

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