CN112932799A - 带珍珠颗粒状夹层纸尿布 - Google Patents
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Abstract
本发明涉及尿布制品领域,具体涉及带珍珠颗粒状夹层纸尿布,从上往下依次包括面层、导流层、吸收芯层、底膜层和反渗层,面层的正面设有菱形网格凹纹和菱形凸起颗粒,面层的背面设有菱形网格凸纹和菱形凹孔;反渗层和吸收芯层的织物组织为经平绒组织,经平绒组织包括地布和固接于地布上的绒毛,反渗层和吸收芯层的绒毛相接触。本发明的带珍珠颗粒状夹层纸尿布的面层能够帮助尿液快速在面层表面扩散、阻碍液体上升,使其不容易反渗;反渗层和吸收芯层的绒毛相接触能够构成高孔隙的透水通道,暂存液体并延缓液体下渗速度,液体可以沿着横向扩散,从而使得液体快速而均匀的扩散至吸收芯层的地布,避免局部液体量过道导形成的凝胶堵塞。
Description
技术领域
本发明涉及尿布制品领域,具体的涉及带珍珠颗粒状夹层纸尿布。
背景技术
随着纸尿裤市场的迅速发展,消费者对纸尿裤的要求越来越高,对于纸尿布的要求具有良好的吸水和透气性,同时其柔软性要好,贴近皮肤要有柔软感,并且要避免与皮肤接触造成瘙痒或皮肤湿疹。尿布主要结构包括面层、导流层、吸收芯层和底膜层,目前尿布的面层和导流层一般采用平面的热风无纺布,其具有较好的透水性,但是尿液在面层平面扩散性差,容易导致局部尿液堆积,且抗回渗性能较差,尿液容易反渗回面层,从而导致皮肤湿疹;芯层选用高吸水性树脂和绒毛浆混合而成,但是芯层容易由于尿液扩散不均匀,进而导致局部的芯层吸水凝固,造成局部起坨,影响穿着舒适性和使用时间,如果加厚吸水芯层来改善扩散性,则会导致穿着蓬松感和柔软度降低;腰封处由于透气性和吸水性差容易导致皮肤湿疹。
发明内容
本发明的一个目的是通过带珍珠颗粒状夹层纸尿布解决至少上述问题。
为解决上述技术问题,本发明采用的技术方案如下:带珍珠颗粒状夹层纸尿布,从上往下依次包括面层、导流层、吸收芯层和底膜层,其特征在于:还包括反渗层,所述反渗层位于导流层和吸收芯层之间;
所述面层的正面设有菱形网格凹纹和菱形凸起颗粒,所述面层的背面设有菱形网格凸纹和菱形凹孔;
所述导流层的正面均匀分布有珍珠状颗粒;
所述反渗层和吸收芯层的织物组织为经平绒组织,所述经平绒组织包括地布和固接于地布上的绒毛,所述地布的组织为平纹组织,所述绒毛在地布上的固接方式为V型固接,所述反渗层和吸收芯层的绒毛相接触,所述反渗层的地布与导流层粘结,所述吸收芯层的地布与底膜层粘结;
所述底膜层的的材质为透气微孔膜。
优选的,所述面层的纱线材质为抗菌纤维,所述抗菌纤维的截面结构为皮芯结构,所述皮芯结构包括疏水芯层和覆盖于疏水芯层外部的抗菌皮层。
优选的,所述抗菌皮层的材质为甲壳素涤纶,所述芯层的材质为涤纶。
优选的,所述菱形网格凸纹的密度大于菱形凸起颗粒。
优选的,所述导流层的纱线材质为远红外纤维,所述远红外纤维的截面结构为海岛结构,所述海岛结构包括远红外芯层和包覆于远红外芯层外部的疏水皮层,所述远红外芯层上设有多个沟槽。
优选的,所述远红外芯层的材质为竹炭粉涤纶,所述疏水皮层的材质为涤纶。
优选的,所述导流层的地布的地经和纬经的纱线材质为高渗透纤维,所述高渗透纤维的截面结构为三叉型,所述高渗透纤维的材质为聚酯,所述导流层的绒毛的材质为绒毛浆。
优选的,所述吸收芯层的地布的地经和纬经的纱线材质为高吸水纤维,所述高吸水纤维的截面结构为中空型,所述高吸水纤维的材质为SAP高吸水树脂,所述吸收芯层的绒毛的材质为绒毛浆。
优选的,所述导流层和吸收芯层的经平绒组织通过单梭口双层经平绒组织分割而成,所述单梭口双层经平绒组织包括上层地组织、下层地组织和绒经,所述上层地组织为和下层地组织为平纹组织,所述经纱排列比为一绒经一上层地经一下层地经。
优选的,还包括腰封,所述腰封的中间夹层的织物组织为蜂巢组织,所述蜂巢组织中设有菱形斜纹和山形斜纹,所述菱形斜纹和山形斜纹的顶点相对,完全经纱数为8,完全纬纱数为10。
由上述描述可知,本发明提供的带珍珠颗粒状夹层纸尿布具有如下有益效果:本发明的带珍珠颗粒状夹层纸尿布的面层在其正面设有菱形网格凹纹,能够帮助尿液快速在面层表面扩散,使得导流层和吸收芯层均匀的吸收液体,避免局部尿液堆积导致的起坨,并提高渗透速度;面层采用抗菌纤维,采用疏水材料降低面层的自身吸水性,抗菌材料提高面层的抗菌性能;菱形网格凸纹的密度大于菱形凸起颗粒,因此菱形网格凸纹处的纤维间排列紧密而空隙小,由于菱形网格凸纹位于面层背面,当液体反渗时首先与其接触,因其密度大、纤维排列紧密而空隙小,能够阻碍液体上升,使其不容易反渗;导流层的珍珠状颗粒之间的沟槽同样能够起到使液体在表面快速扩散的作用,避免局部尿液堆积导致的起坨现象;导流层中包含的远红外材质能够促进和改善局部的血液循环;远红外芯层设有多个沟槽,提高导流层内部孔隙率和毛细作用,当液体透过面层到达导流层时,导流层的纤维网会立刻吸收液体,暂存后随即扩散,直到被芯层吸收;反渗层和吸收芯层的绒毛相接触能够构成高孔隙的透水通道,双层绒毛组织能够暂存液体,延缓液体下渗速度,液体可以沿着横向扩散,从而使得液体快速而均匀的扩散至吸收芯层的地布,避免局部液体量过道导形成的凝胶堵塞,进而导致后续液体下渗过程局部无法吸收液体造成的回渗现象;同时双层绒毛组织能够提高芯体弹性和穿着舒适性。
附图说明
图1为本发明带珍珠颗粒状夹层的纸尿布的截面示意图。
图2为面层的正面示意图。
图3为面层的反面示意图。
图4为抗菌纤维的截面示意图。
图5为导流层的正面示意图。
图6为远红外纤维的截面示意图。
图7为绒毛的固接示意图。
图8为单梭口双层经平绒组织的纵向截面示意图。
图9为单梭口双层经平绒组织的组织图。
图10为高渗透纤维的截面示意图。
图11为蜂巢组织的组织图。
具体实施方式
以下通过具体实施方式对本发明作进一步的描述。
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施方式,进一步阐述本发明。
如图1所示,本发明带珍珠颗粒状夹层纸尿布,从上往下依次包括面层100、导流层200、吸收芯层400和底膜层500,还包括反渗层300,反渗层300位于导流层200和吸收芯层400之间;
如图2和3所示,面层100的正面设有菱形网格凹纹101和菱形凸起颗粒102,面层100的背面设有菱形网格凸纹103和菱形凹孔104;
如图4所示,面层100的纱线材质为抗菌纤维60,抗菌纤维60的截面结构为皮芯结构,皮芯结构包括疏水芯层60a和覆盖于疏水芯层60a外部的抗菌皮层60b。抗菌皮层60b的材质为甲壳素涤纶,甲壳素涤纶为中甲壳素的含量占比为0.3-0.5%,芯层的材质为涤纶。菱形网格凸纹103的密度大于菱形凸起颗粒102。
面层100的作用主要是起到将尿液向导流层200传导的作用,要求其扩散性、渗透型好、面层100保持干燥且回渗率低,传统的平面热风无纺布材料制成的面层100,尿液在其表面扩散性不好,容易导致局部尿液聚集,进而引起局部的芯体起坨;纤维渗透率不好,导致渗透低,容易导致尿液和皮肤接触时间过长引起的湿疹;抗回渗性不好,尿液经过面层100和导流层200进入吸收芯体后,容易在外力作用下反渗会面层100,进而因此皮肤湿疹。
本发明的带珍珠颗粒状夹层纸尿布的面层100在其正面设有菱形网格凹纹101,能够帮助尿液快速在面层100表面扩散,使得导流层200和吸收芯层400均匀的吸收液体,避免局部尿液堆积导致的起坨,并提高渗透速度;面层100采用抗菌纤维60,采用疏水材料降低面层100的自身吸水性,抗菌材料提高面层100的抗菌性能;菱形网格凸纹103的密度大于菱形凸起颗粒102,因此菱形网格凸纹103处的纤维间排列紧密而空隙小,由于菱形网格凸纹103位于面层100背面,当液体反渗时首先与其接触,因其密度大、纤维排列紧密而空隙小,能够阻碍液体上升,使其不容易反渗。
如图5和6,导流层200的正面均匀分布有珍珠状颗粒201;导流层200的纱线材质为远红外纤维70,远红外纤维70的截面结构为海岛结构,海岛结构包括远红外芯层70a和包覆于远红外芯层70a外部的疏水皮层70b,远红外芯层70a上设有多个沟槽70c。远红外芯层70a的材质为竹炭粉涤纶,竹炭粉涤纶中竹炭粉所占的质量比为0.3-0.5%,疏水皮层70b的材质为涤纶。
导流层200的珍珠状颗粒之间的沟槽同样能够起到使液体在表面快速扩散的作用,避免局部尿液堆积导致的起坨现象;导流层200中包含的远红外材质能够促进和改善局部的血液循环;远红外芯层70a设有多个沟槽70c,提高导流层200内部孔隙率和毛细作用,当液体透过面层100到达导流层200时,导流层200的纤维网会立刻吸收液体,暂存后随即扩散,直到被芯层吸收。
反渗层300和吸收芯层400的织物组织为经平绒组织,如图7,经平绒组织包括地布901和固接于地布上的绒毛902,地布的组织为平纹组织,如图7,绒毛在地布上的固接方式为V型固接,反渗层300和吸收芯层400的绒毛相接触,反渗层300的地布与导流层200粘结,吸收芯层400的地布与底膜层500粘结;
如图10,导流层200的地布的地经和纬经的纱线材质为高渗透纤维80,高渗透纤维80的截面结构为三叉型,高渗透纤维80的材质为聚酯,导流层200的绒毛的材质为绒毛浆,三叉型的高渗透纤维80提高了织物的孔隙率和渗透性。
吸收芯层400的地布的地经和纬经的纱线材质为高吸水纤维,高吸水纤维的截面结构为中空型,高吸水纤维的材质为SAP高吸水树脂,吸收芯层400的绒毛的材质为绒毛浆。SAP是一种特殊功能性高分子材料,能吸收质量为自身质量数百倍至数千倍的水分,或者数十倍至数百倍的盐水,而且在适当的压力下,吸入的水也不会被挤出。绒毛浆是一种高级吸水性纸浆,采用漂白卷筒干浆板在撕碎机撕碎成绒毛簇制成,其毛细管效应强,扩散效果好。
如图8和9,导流层200和吸收芯层400的经平绒组织通过单梭口双层经平绒组织分割而成,单梭口双层经平绒组织包括上层地组织、下层地组织和绒经,上层地组织为和下层地组织为平纹组织,经纱排列比为一绒经一上层地经一下层地经,投纬比为一上二下一上,如图所示为纵向截面图,阿拉伯数字表示上层经纬纱,罗马数字表示下层经纬纱,小写字母表示绒经。上层地组织用“■”表示,下层地组织用“X”表示,提综符号为“〇”,绒经组织点符号为“Δ”。纬纱与上层经纱交织形成上层地布,纬纱与下层经纱交织形成下城地布,两层地布之间隔一定距离,绒经位于两层地布之间,交替与上层和下层纬纱交织。织物编织成后,经割绒工序,将连接两层地布的绒经隔断,从而形成两层起绒的织物。两层植绒织物分别作为反渗层300和吸收芯层400。
导流层200的地布为三叉型高渗透纤维80,反渗层300和吸收芯层400的绒毛相接触,绒毛材质为绒毛浆,而吸收芯层400的材质为高吸水树脂,导流层200和绒毛作为液体传输介质,吸收芯层400的地布为液体的储存介质,由吸收芯层400的地布吸收凝固,反渗层300和吸收芯层400的绒毛相接触能够构成高孔隙的透水通道,双层绒毛组织能够暂存液体,延缓液体下渗速度,液体可以沿着横向扩散,从而使得液体快速而均匀的扩散至吸收芯层400的地布,避免局部液体量过道导形成的凝胶堵塞,进而导致后续液体下渗过程局部无法吸收液体造成的回渗现象;同时双层绒毛组织能够提高芯体弹性和穿着舒适性。
底膜层500的的材质为透气微孔膜。透气微孔膜主要由聚烯烃作为基体树脂,含有致孔剂CaCO3颗粒的树脂片材在拉伸过程中,由于CaCO3颗粒与其周围树脂聚合物的结合力小而在边缘分离产生微孔,最后经过定型处理后形成微孔膜。透气微孔膜具有良好的气体透过性和防漏水性能。
还包括尿布的腰封,腰封的中间夹层的织物组织为蜂巢组织,腰封的正面和反面分别为面层100和底膜层500,如图11,蜂巢组织中设有菱形斜纹601和山形斜纹602,菱形斜纹602和山形斜纹601的顶点相对,完全经纱数为8,完全纬纱数为10。如图所示,用数字表示经纱,用字母表示纬纱,在经纱、纬纱的交织处,经纱浮在纬纱之上为经组织点,标注组织符号“■”,蜂巢组织具有良好的透气性,避免腰封处由于透气性和吸水性差容易导致皮肤湿疹。
在本发明的描述中,需要理解的是,术语“上”、“下”、“前”、“后”、“左”、“右”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制,本说明书中未作详细描述的内容属于本领域专业技术人员公知的现有技术。
在本发明的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“相连”、“设置”应做广义理解,例如,可以是固定相连、设置,也可以是可拆卸连接、设置,或一体地连接、设置;本发明中提供的用电器的型号仅供参考。对于本领域的普通技术人员而言,可以根据实际使用情况更换功能相同的不同型号用电器,对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
上述仅为本发明的若干具体实施方式,但本发明的设计构思并不局限于此,凡利用此构思对本发明进行非实质性的改动,均应属于侵犯本发明保护范围的行为。
Claims (10)
1.带珍珠颗粒状夹层纸尿布,从上往下依次包括面层、导流层、吸收芯层和底膜层,其特征在于:还包括反渗层,所述反渗层位于导流层和吸收芯层之间;
所述面层的正面设有菱形网格凹纹和菱形凸起颗粒,所述面层的背面设有菱形网格凸纹和菱形凹孔;
所述导流层的正面均匀分布有珍珠状颗粒;
所述反渗层和吸收芯层的织物组织为经平绒组织,所述经平绒组织包括地布和固接于地布上的绒毛,所述地布的组织为平纹组织,所述绒毛在地布上的固接方式为V型固接,所述反渗层和吸收芯层的绒毛相接触,所述反渗层的地布与导流层粘结,所述吸收芯层的地布与底膜层粘结;
所述底膜层的的材质为透气微孔膜。
2.根据权利要求1所述的带珍珠颗粒状夹层纸尿布,其特征在于:所述面层的纱线材质为抗菌纤维,所述抗菌纤维的截面结构为皮芯结构,所述皮芯结构包括疏水芯层和覆盖于疏水芯层外部的抗菌皮层。
3.根据权利要求1所述的带珍珠颗粒状夹层纸尿布,其特征在于:所述抗菌皮层的材质为甲壳素涤纶,所述芯层的材质为涤纶。
4.根据权利要求1所述的带珍珠颗粒状夹层纸尿布,其特征在于:所述菱形网格凸纹的密度大于菱形凸起颗粒。
5.根据权利要求1所述的带珍珠颗粒状夹层纸尿布,其特征在于:所述导流层的纱线材质为远红外纤维,所述远红外纤维的截面结构为海岛结构,所述海岛结构包括远红外芯层和包覆于远红外芯层外部的疏水皮层,所述远红外芯层上设有多个沟槽。
6.根据权利要求5所述的带珍珠颗粒状夹层纸尿布,其特征在于:所述远红外芯层的材质为竹炭粉涤纶,所述疏水皮层的材质为涤纶。
7.根据权利要求1所述的带珍珠颗粒状夹层纸尿布,其特征在于:所述导流层的地布的地经和纬经的纱线材质为高渗透纤维,所述高渗透纤维的截面结构为三叉型,所述高渗透纤维的材质为聚酯,所述导流层的绒毛的材质为绒毛浆。
8.根据权利要求1所述的带珍珠颗粒状夹层纸尿布,其特征在于:所述吸收芯层的地布的地经和纬经的纱线材质为高吸水纤维,所述高吸水纤维的截面结构为中空型,所述高吸水纤维的材质为SAP高吸水树脂,所述吸收芯层的绒毛的材质为绒毛浆。
9.根据权利要求1所述的带珍珠颗粒状夹层纸尿布,其特征在于:所述导流层和吸收芯层的经平绒组织通过单梭口双层经平绒组织分割而成,所述单梭口双层经平绒组织包括上层地组织、下层地组织和绒经,所述上层地组织为和下层地组织为平纹组织,所述经纱排列比为一绒经一上层地经一下层地经。
10.根据权利要求1所述的带珍珠颗粒状夹层纸尿布,其特征在于:还包括腰封,所述腰封的中间夹层的织物组织为蜂巢组织,所述蜂巢组织中设有菱形斜纹和山形斜纹,所述菱形斜纹和山形斜纹的顶点相对,完全经纱数为8,完全纬纱数为10。
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