CN107661171A - 一种可完全降解的纸尿裤 - Google Patents

一种可完全降解的纸尿裤 Download PDF

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CN107661171A
CN107661171A CN201610607444.0A CN201610607444A CN107661171A CN 107661171 A CN107661171 A CN 107661171A CN 201610607444 A CN201610607444 A CN 201610607444A CN 107661171 A CN107661171 A CN 107661171A
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degradable
layer
nonwoven fabrics
paper diaper
top layer
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张义男
刘影
杨启东
黄伟国
杨世滨
陈艳
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Shanghai Challenge Textile Co Ltd
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Shanghai Challenge Textile Co Ltd
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Priority to PCT/CN2017/093485 priority patent/WO2018019163A1/zh
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • 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
    • A61F13/496Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • 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
    • A61F13/494Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • 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
    • A61F13/51Absorbent 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 outer layers
    • A61F13/511Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/51121Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
    • 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
    • A61F13/51Absorbent 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 outer layers
    • A61F13/511Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/512Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
    • A61F13/5121Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the vertical shape of the apertures, e.g. three dimensional apertures, e.g. macro-apertures
    • 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
    • A61F13/51Absorbent 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 outer layers
    • A61F13/511Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/512Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
    • A61F13/5126Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the planar distribution of the apertures, e.g. in a predefined pattern
    • 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
    • A61F2013/15008Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use
    • A61F2013/15146Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use for urine collection
    • 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
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15463Absorbency

Abstract

本发明涉及一种可完全降解的纸尿裤,包括表层、导流层、吸收层、底层、腿口防侧漏隔边、弹性腰围、前腰贴和后腰左右贴,表层、导流层和吸收层通过粘胶粘接在底层的中间位置,弹性腰围设置于底层的两端,腿口防侧漏隔边对应设置于吸收层的两侧,前腰贴设置于底层的前端外侧,后腰左右贴设置于底层的后端两侧位置,表层、导流层和底层为经过拒水整理的可降解无纺布制成,表层形成均匀的网孔,吸收层为卫生纸包裹可降解的吸水剂和绒毛浆的混合物形成,腿口防侧漏隔边外层为经过拒水整理的可降解无纺布,内部为天然乳胶丝,弹性腰围外层为可降解无纺布、内部为天然乳胶丝。本发明主体及附体材料均能够被有效降解,加快尿液渗透速度,防止尿液反渗。

Description

一种可完全降解的纸尿裤
技术领域
本发明涉及一种纸尿裤,特别是涉及一种可完全降解的纸尿裤。
背景技术
随着纸尿裤使用量的增加,对环境的压力也与日俱增,因为传统的纸尿裤,原料多为PP、PE或ES复合纤维,经过热风、热轧、纺粘等方式成型的无纺布组成各个部件。目前对废弃纸尿裤的处理方式是随生活垃圾一起焚烧和掩埋。焚烧会产生大量的有害气体,污染环境;掩埋则其中的聚合物短时间内不能被微生物分解,对生态环境会造成很恶劣的影响。
可生物降解卫生用品能被微生物分解,对环境有积极的作用,因此越来越受到青睐。然而目前市场上的可降解卫生用品都达不到完全降解,掩埋在土壤里仍会对生态造成影响,污染环境。
现有技术也有可降解环保纸尿裤,如专利公开号为CN103976824A中国发明专利公开了一种全降解环保纸尿裤,包括底膜和位于底膜中间部位的吸收体,吸收体与底膜采用结构胶粘合,所述的吸收体包括用结构胶依次粘合的大棉芯、小棉芯和无纺布,所述的大棉芯由原生溶解浆和高分子吸水剂混合而成,所述的小棉芯由原生溶解浆和酸性高分子吸水剂混合而成,所述的底膜为PBAT和PLA的共混膜。其中只是提及主体部分为可降解材料,并未提及弹性部分、左右贴、腰贴部分的使用情况,随着一次性卫生用品用量的增大,其中的附属配件总量使用情况有所增加,对于环境而言也是不小的负担。
发明内容
本发明所要解决的技术问题是提供一种可完全降解的纸尿裤,主体及附体材料均能够被有效降解,加快尿液渗透速度,防止尿液反渗。
本发明解决其技术问题所采用的技术方案是提供一种可完全降解的纸尿裤,包括表层、导流层、吸收层、底层、腿口防侧漏隔边、弹性腰围、前腰贴和后腰左右贴,所述表层、导流层和吸收层依次通过粘胶粘合形成一体并通过粘胶粘接在底层的中间位置,所述弹性腰围设置于底层的两端,所述腿口防侧漏隔边对应设置于表层、导流层和吸收层的两侧,所述前腰贴设置于底层的前端外侧,所述后腰左右贴对应前腰贴设置于底层的后端两侧位置,所述表层采用经过拒水整理的可降解无纺布制成、并形成均匀的网孔,所述网孔的孔径为8~22目,所述导流层和底层采用经过拒水整理的可降解无纺布制成,所述吸收层为卫生纸包裹可降解的吸水剂和绒毛浆的混合物形成,所述腿口防侧漏隔边外层为经过拒水整理的可降解无纺布,内部包覆有弹性的天然乳胶丝,所述弹性腰围外层为可降解无纺布、内部的弹性件采用天然乳胶丝。
作为本发明一种优选的实施方式,所述表层、导流层、底层、腿口防侧漏隔边外层和弹性腰围外层采用全棉水刺无纺布制成。
作为本发明另一种优选的实施方式,所述吸水剂为淀粉、纤维素、壳聚糖或海藻酸钠与丙烯酸或者丙烯酸盐接枝共聚合成的可降解吸水树脂
作为本发明另一种优选的实施方式,所述腿口防侧漏隔边外层的可降解无纺布的克重小于等于50g/m2,耐静水压为12cmH2O。
作为本发明另一种优选的实施方式,所述前腰贴采用离型纸,所述后腰左右贴为复合的可降解无纺布和聚乳酸膜,所述可降解无纺布连接到底层,所述聚乳酸膜表面涂有粘胶。
作为本发明另一种优选的实施方式,所述前腰贴为复合的聚乳酸膜和聚乳酸魔术贴毛面,所述后腰左右贴包括可降解无纺布、聚乳酸膜和聚乳酸魔术贴勾面,所述可降解无纺布连接到底层、并与聚乳酸膜复合,所述聚乳酸膜表面粘贴聚乳酸魔术贴勾面。
作为本发明另一种优选的实施方式,所述纸尿裤的各部件通过热熔的结构胶、橡筋胶或者搭扣胶粘合而成。
有益效果
在本发明中,构成纸尿裤的表层、导流层、吸收层、底层、腿口防侧漏隔边、弹性腰围和连接件均采用可降解的材料制成,健康无污染;纸尿裤的表层形成孔径较大的网孔,有利于尿液快速渗透,拒水整理有效防止尿液反渗,从而保持了表层的干爽舒适,有效防止湿疹、过敏现象的发生。
附图说明
图1为本发明的结构示意图。
具体实施方式
下面结合具体实施例,进一步阐述本发明。应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解,在阅读了本发明讲授的内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落于本申请所附权利要求书所限定的范围。
如图1所示的一种可完全降解的纸尿裤,包括表层1、导流层2、吸收层3、底层4、腿口防侧漏隔边6、弹性腰围7、前腰贴5和后腰左右贴8。
表层1、导流层2和吸收层3依次通过粘胶粘合形成一体并通过粘胶粘接在底层4的中间位置,弹性腰围7设置于底层的两端,腿口防侧漏隔边6对应设置于表层1、导流层2和吸收层3的两侧,前腰贴5设置于底层4的前端外侧,后腰左右贴8对应前腰贴5设置于底层4的后端两侧位置。
表层1采用经过拒水整理的可降解无纺布制成,并形成均匀的网孔,网孔的孔径为8~22目。大孔径的网孔有利于尿液的快速渗透,拒水整理能够有效防止尿液反渗,从而保证亲肤层的干爽舒适。
导流层2和底层4采用经过拒水整理的可降解无纺布制成。吸收层3为卫生纸包裹可降解的吸水剂和绒毛浆的混合物形成,吸水剂为淀粉、纤维素、壳聚糖或海藻酸钠与丙烯酸或者丙烯酸盐接枝共聚合成的可降解吸水树脂。腿口防侧漏隔边6外层为经过拒水整理的可降解无纺布,克重小于等于50g/m2,耐静水压为12cmH2O,可降解无纺布内部包覆有弹性的天然乳胶丝。弹性腰围7外层为可降解无纺布、内部的弹性件采用天然乳胶丝代替传统的氨纶。
纸尿裤穿戴后用于将纸尿裤两端抱圈连接的前腰贴5和后腰左右贴8的搭配优选为以下两种:第一种,前腰贴5采用离型纸,后腰左右贴8为复合的可降解无纺布和聚乳酸膜,可降解无纺布连接到底层4,聚乳酸膜表面涂有粘胶,通过粘胶粘接到离型纸上实现纸尿裤前后端的抱圈连接;第二种,前腰贴5为复合的聚乳酸膜和聚乳酸魔术贴毛面,后腰左右贴8包括可降解无纺布、聚乳酸膜和聚乳酸魔术贴勾面,可降解无纺布连接到底层4、并与聚乳酸膜复合,聚乳酸膜表面粘贴聚乳酸魔术贴勾面,通过聚乳酸魔术贴勾面与聚乳酸魔术贴毛面的相互粘接实现纸尿裤前后端的抱圈连接。
该纸尿裤的各部件通过热熔的结构胶、橡筋胶或者搭扣胶粘合而成,结构牢靠,降低成本,易降解。
下面提供两个具体的实施例:
实施例一
表层1为30g/m2的8目打孔全棉水刺无纺布,经过拒水整理,大的网孔有利于尿液快速渗透,拒水整理有效防止尿液反渗,从而保证了亲肤层的干爽,舒适;
导流层2为30g/m2全棉平纹水刺布,该无纺布所用棉纤维在梳理过程中较普通梳理多出至少两次,目的使纤维尽量纵向排列,达到导流扩散的效果,同时将表层1液体快速吸收,导向下面的吸收层3,另外防止吸收层3中高分子吸水剂颗粒的泄露;
吸收层3的卫生纸克重为15g/m2,卫生纸包裹可降解高分子吸水剂与绒毛浆混合物,可降解吸水剂用量7g,绒毛浆用量10.5g;
底层4为80g/m2的全棉水刺无纺布,做拒水整理,全棉材质透气,布质感强,手感也更好。拒水整理阻湿,穿着更加舒适,有效防止红屁股以及过敏情况发生;
腿口防侧漏隔边6外层使用40g/m2的全棉水刺无纺布,做拒水整理,耐静水压为12cmH2O,满足防侧漏要求。内层为天然乳胶丝,伸缩性能好,易降解;
弹性腰围7采用大环腰,30g/m2全棉水刺无纺布夹芯天然乳胶丝,天然乳胶丝的型号为90号,即直径为0.28mm;
前腰贴5为高光离型纸,40g/m2克重,与后腰左右贴8配合使用,可剥离,可重复使用;
后腰左右贴8的主贴为50g/m2PLA纺粘无纺布与25g/m2PLA可降解膜复合,副贴为25g/m2PLA可降解膜,主贴涂胶,副贴涂硅油。纺粘无纺布强度高,延伸度低,防止在重复使用中的破坏。
表层1、导流层2、底层4、腿口防侧漏隔边6外层的拒水整理方法为:配置拒水剂含量为30g/l的溶液——将待处理无纺布浸入液体中——然后常温浸轧,轧余率为100%——100℃,1-2min烘干——160℃焙烘1min。
实施例二
表层1为30g/m2的10目打孔全棉水刺无纺布,经过拒水整理,大的网孔有利于尿液快速渗透,拒水整理有效防止尿液反渗,从而保证了亲肤层的干爽,舒适;
导流层2为30g/m2全棉平纹水刺布,该无纺布所用棉纤维在梳理过程中较普通梳理多出至少两次,目的使纤维尽量纵向排列,达到导流扩散的效果,同时将表层1液体快速吸收,导向下面的吸收层3,另外防止吸收层3中高分子吸水剂颗粒的泄露;
吸收层3的卫生纸克重为15g/m2,卫生纸包裹可降解高分子吸水剂与绒毛浆混合物,可降解吸水剂用量7g,绒毛浆用量10.5g;
底层4为90g/m2的全棉水刺无纺布,做拒水整理,全棉材质透气,布质感强,手感也更好。拒水整理阻湿,穿着更加舒适,有效防止红屁股以及过敏情况发生;
腿口防侧漏隔边6外层使用40g/m2的全棉水刺无纺布,做拒水整理,耐静水压为12cmH2O,满足防侧漏要求。内层为天然乳胶丝,伸缩性能好,易降解;
弹性腰围7采用大环腰,30g/m2全棉水刺无纺布夹芯天然乳胶丝,天然乳胶丝的型号为90号,即直径为0.28mm;
前腰贴5是25g/m2PLA可降解膜与可降解PLA材质可降解魔术贴毛面复合;
后腰左右贴8为魔术贴的形式,50g/m2纺粘PLA可降解无纺布与25g/m2可降解PLA膜复合,表层粘贴PLA材质可降解魔术贴勾面,纺粘PLA无纺布强度高,延伸度低,防止在重复使用中的破坏。
表层1、导流层2、底层4、腿口防侧漏隔边6外层的拒水整理方法为:配置拒水剂含量为30g/l的溶液——将待处理无纺布浸入液体中——然后常温浸轧,轧余率为100%——100℃,1-2min烘干——160℃焙烘1min。

Claims (7)

1.一种可完全降解的纸尿裤,包括表层(1)、导流层(2)、吸收层(3)、底层(4)、腿口防侧漏隔边(6)、弹性腰围(7)、前腰贴(5)和后腰左右贴(8),所述表层(1)、导流层(2)和吸收层(3)依次通过粘胶粘合形成一体并通过粘胶粘接在底层(4)的中间位置,所述弹性腰围(7)设置于底层的两端,所述腿口防侧漏隔边(6)对应设置于表层(1)、导流层(2)和吸收层(3)的两侧,所述前腰贴(5)设置于底层(4)的前端外侧,所述后腰左右贴(8)对应前腰贴(5)设置于底层(4)的后端两侧位置,其特征在于:所述表层(1)采用经过拒水整理的可降解无纺布制成、并形成均匀的网孔,所述网孔的孔径为8~22目,所述导流层(2)和底层(4)采用经过拒水整理的可降解无纺布制成,所述吸收层(3)为卫生纸包裹可降解的吸水剂和绒毛浆的混合物形成,所述腿口防侧漏隔边(6)外层为经过拒水整理的可降解无纺布,内部包覆有弹性的天然乳胶丝,所述弹性腰围(7)外层为可降解无纺布、内部的弹性件采用天然乳胶丝。
2.根据权利要求1所述的一种可完全降解的纸尿裤,其特征在于:所述表层(1)、导流层(2)、底层(4)、腿口防侧漏隔边(6)外层和弹性腰围(7)外层采用全棉水刺无纺布制成。
3.根据权利要求1所述的一种可完全降解的纸尿裤,其特征在于:所述吸水剂为淀粉、
纤维素、壳聚糖或海藻酸钠与丙烯酸或者丙烯酸盐接枝共聚合成的可降解吸水树脂。
4.根据权利要求1所述的一种可完全降解的纸尿裤,其特征在于:所述腿口防侧漏隔边(6)外层的可降解无纺布的克重小于等于50g/m2,耐静水压为12cmH2O。
5.根据权利要求1所述的一种可完全降解的纸尿裤,其特征在于:所述前腰贴(5)采用离型纸,所述后腰左右贴(8)为复合的可降解无纺布和聚乳酸膜,所述可降解无纺布连接到底层(4),所述聚乳酸膜表面涂有粘胶。
6.根据权利要求1所述的一种可完全降解的纸尿裤,其特征在于:所述前腰贴(5)为复合的聚乳酸膜和聚乳酸魔术贴毛面,所述后腰左右贴(8)包括可降解无纺布、聚乳酸膜和聚乳酸魔术贴勾面,所述可降解无纺布连接到底层(4)、并与聚乳酸膜复合,所述聚乳酸膜表面粘贴聚乳酸魔术贴勾面。
7.根据权利要求1所述的一种可完全降解的纸尿裤,其特征在于:所述纸尿裤的各部件通过热熔的结构胶、橡筋胶或者搭扣胶粘合而成。
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