CN105726226A - 一种纸尿裤吸收芯体及其制备方法 - Google Patents

一种纸尿裤吸收芯体及其制备方法 Download PDF

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CN105726226A
CN105726226A CN201511011336.9A CN201511011336A CN105726226A CN 105726226 A CN105726226 A CN 105726226A CN 201511011336 A CN201511011336 A CN 201511011336A CN 105726226 A CN105726226 A CN 105726226A
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wood pulp
long fibre
fibre silk
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何永深
谢土雄
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Guangdong Baifenai Health Products Co Ltd
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    • 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
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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
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • 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
    • A61F13/15577Apparatus or processes for manufacturing
    • 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
    • A61F13/53Absorbent 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
    • 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
    • A61F13/53Absorbent 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
    • A61F2013/530007Absorbent 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 being made from pulp
    • 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
    • A61F13/53Absorbent 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
    • A61F2013/530481Absorbent 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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • 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
    • A61F13/534Absorbent 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 an inhomogeneous composition through the thickness of the pad
    • A61F2013/53463Absorbent 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 an inhomogeneous composition through the thickness of the pad with a reinforcing structure, e.g. net

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Abstract

本发明公开一种纸尿裤吸收芯体及其制备方法,纸尿裤吸收芯体包括木浆纤维和高分子吸水树脂颗粒组成的混合物,在木浆纤维和高分子吸水树脂颗粒组成的混合物中纵向分布有若干股由100至300束长纤维丝构成的条筋。本发明的目的在于提供一种纸尿裤吸收芯体,其在由木浆纤维和吸水树脂颗粒之间增加了具有韧性且横截面不规则且能吸附粘黏木浆纤维和吸水树脂颗粒的长纤维丝作为条筋,增强了吸收芯体的结构,能够实现不起坨、不断裂、不脱层的效果。

Description

一种纸尿裤吸收芯体及其制备方法
技术领域
本发明属于卫生用品领域,尤其涉及适用于纸尿裤、纸尿片等产品的纸尿裤吸收芯体。
背景技术
纸尿裤是一种常见的适用于婴幼儿或者功能失禁成年人的卫生产品。一般由非透水性外层,透水性内层以及两者之间的吸水芯体组成。中国发明专利101797201A高分子复合芯体极其制备方法,公开了一种高分子复合芯体的组成,包括含有ES纤维的无尘纸表层和底层以及含有吸水树脂的蓬松无纺布层,其通过有组织的布层结构,实现纸尿裤或纸尿片不起坨、不断裂、不脱层的效果。但是,此发明采用的方法方式成本较高,透气性能较差,具有局限性。目前市面上主流的纸尿裤芯体结构采用无纺布包裹木浆纤维和高分子聚合物构成。中国专利202173528U透气纸尿裤公开了一种用网面无纺布层包裹芯体的纸尿裤防止高分子树脂膨胀引起芯体断裂,但是实际应用中,仅仅依靠网面无纺布层并不能实现实现不起坨、不断裂、不脱层的效果。
发明内容
针对上述缺陷,本发明的目的在于提供一种纸尿裤吸收芯体,其在由木浆纤维和吸水树脂颗粒之间增加了具有韧性且横截面不规则且能吸附粘黏木浆纤维和吸水树脂颗粒的长纤维丝作为纵向条筋,增强了吸收芯体的结构,能够实现不起坨、不断裂、不脱层的效果。
为达到上述目的,被发明采用的方法是,纸尿裤吸收芯体,包括木浆纤维和高分子吸水树脂颗粒组成的混合物,在木浆纤维和高分子吸水树脂颗粒组成的混合物中纵向分布有若干股由100至300束长纤维丝构成的条筋。
更优的是,长纤维丝的横截面为不规则的异形截面。
更优的是,长纤维丝为醋酸纤维或粘胶纤维。
纸尿裤吸收芯体的制备方法,包含如下步骤:
(1)准备阶段将作为条筋的长纤维丝按股分别固定在放卷轴上,并通过过渡轮经由刮枪后安置在吸气槽上;木浆及高分子吸水树脂颗粒装置于筛盘中;包裹层经过展开后也安置吸气槽上;(2)制备阶段设备启动后,木浆经过粉碎后与高分子吸水树脂颗粒在筛盘中上下抖料,令木浆和高分子吸水树脂颗粒充分混合,然后经过负压腔带入成型模轮,经转移鼓进入吸气槽;同时,装置在放卷轴的长纤维丝由过渡轮牵引,通过刮枪刮胶后,连同包裹层、成型后芯体一起吸入吸气槽,包裹形成具有条筋结构的吸收芯体。
本发明的目的在于提供一种纸尿裤吸收芯体,其在由木浆纤维和吸水树脂颗粒之间增加了具有韧性的长纤维丝作为条筋,这类似于钢筋之于水泥组成的钢筋混凝土结构,能够大大加强吸水芯体结构强度,并且具有韧性。由于长纤维丝当被截断后,拧成股的长纤维丝会因张力而逐渐分开,长纤维丝横截面不规则,能够吸附粘黏木浆纤维和吸水树脂颗粒,令木浆纤维和吸水树脂颗粒分布更均匀。因此,最终能够实现吸收芯体不起坨、不断裂、不脱层的效果。
附图说明
图1本发明示意图。
图2本发明横截面示意图。
图3本发明长纤维丝的横截面示意图。
图4本发明制备工艺流程图。
具体实施方式
下面结合附图对本发明作进一步详细的说明。
如图1、图2以及图3所示,一种纸尿裤吸收芯体,包括木浆纤维和高分子吸水树脂颗粒组成的混合物1,在木浆纤维和高分子吸水树脂颗粒组成的混合物1中纵向分布有若干股由100至300束长纤维丝2构成的条筋3。长纤维丝2的横截面为不规则的异形截面。长纤维丝可以采用醋酸纤维或者粘胶纤维。在实践和应用中,醋酸纤维具有透气好、无毒无害、亲水、抗霉、以及表面积大等优点,因此最优的方案是采用醋酸纤维作为纸尿裤吸收芯体的条筋。在木浆纤维和吸水树脂颗粒之间增加了具有韧性的醋酸纤维丝作为条筋,这类似于钢筋之于水泥组成的钢筋混凝土结构,能够大大加强吸水芯体结构强度,并且具有韧性。由于醋酸纤维丝当被截断后,拧成股的醋酸纤维丝会因张力而逐渐分开,醋酸纤维丝横截面不规则,能够吸附粘黏木浆纤维和吸水树脂颗粒,令木浆纤维和吸水树脂颗粒分布更均匀。因此,最终能够实现吸收芯体不起坨、不断裂、不脱层的效果。
如图4本发明纸尿裤吸收芯体的制备方法,包含如下步骤:(1)准备阶段将作为条筋的长纤维丝按股分别固定在放卷轴10上,并通过过渡轮11经由刮枪12后安置在吸气槽13上;木浆及高分子吸水树脂颗粒装置于筛盘中;包裹层14经过展开后也安置吸气槽13上;(2)制备阶段设备启动后,木浆经过粉碎后与高分子吸水树脂颗粒在筛盘中上下抖料,令木浆和高分子吸水树脂颗粒充分混合,然后经过负压腔15带入成型模轮,经转移鼓16进入吸气槽13;同时,装置在放卷轴10的长纤维丝由过渡轮11牵引,通过刮枪12刮胶后,连同包裹层、成型后芯体一起吸入吸气槽13,包裹形成具有条筋结构的吸收芯体。本发明公开的制备方法中,相较于现有的生产工艺和设备最主要的改进在于增加了长纤维丝的卷放装置,包括放卷轴以及牵引的过渡轮,当然涉及到装置之间同步的调整。总体来说,本发明提供了一种简单可行工业化应用制造吸收芯体的制备方法。
以上所述的仅是本发明的一些实施方式。对于本领域的普通技术人员来说,在不脱离本发明创造构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。

Claims (4)

1.一种纸尿裤吸收芯体,包括木浆纤维和高分子吸水树脂颗粒组成的混合物,其特征在于,在木浆纤维和高分子吸水树脂颗粒组成的混合物中纵向分布有若干股由100至300束长纤维丝构成的条筋。
2.根据权利要求1所述纸尿裤吸收芯体,其特征在于,所述长纤维丝的横截面为不规则的异形截面。
3.根据权利要求2所述纸尿裤吸收芯体,其特征在于,所述长纤维丝为醋酸纤维或粘胶纤维。
4.纸尿裤吸收芯体的制备方法,其特征在于包含如下步骤:、
(1)准备阶段将作为条筋的长纤维丝按股分别固定在放卷轴上,并通过过渡轮经由刮枪后安置在吸气槽上;木浆及高分子吸水树脂颗粒装置于筛盘中;包裹层经过展开后也安置吸气槽上;
(2)制备阶段设备启动后,木浆经过粉碎后与高分子吸水树脂颗粒在筛盘中上下抖料,令木浆和高分子吸水树脂颗粒充分混合,然后经过负压腔带入成型模轮,经转移鼓进入吸气槽;同时,装置在放卷轴的长纤维丝由过渡轮牵引,通过刮枪刮胶后,连同包裹层、成型后芯体一起吸入吸气槽,包裹形成具有条筋结构的吸收芯体。
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Cited By (4)

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CN110101508A (zh) * 2019-05-08 2019-08-09 北京倍舒特妇幼用品有限公司 一种失禁功能辅料及其芯体裁切工艺和设备
CN111685935A (zh) * 2019-12-24 2020-09-22 北京倍舒特妇幼用品有限公司 一种高透气性医用敷料芯体及其生产设备
CN111888095A (zh) * 2020-08-25 2020-11-06 苏州宝丽洁医疗科技有限公司 一种吸收芯体、包含它的卫生巾及其生产机构
CN113730107A (zh) * 2021-09-18 2021-12-03 安庆市恒昌机械制造有限责任公司 一种吸收芯体及其工艺生产线

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CN110101508A (zh) * 2019-05-08 2019-08-09 北京倍舒特妇幼用品有限公司 一种失禁功能辅料及其芯体裁切工艺和设备
CN111685935A (zh) * 2019-12-24 2020-09-22 北京倍舒特妇幼用品有限公司 一种高透气性医用敷料芯体及其生产设备
CN111888095A (zh) * 2020-08-25 2020-11-06 苏州宝丽洁医疗科技有限公司 一种吸收芯体、包含它的卫生巾及其生产机构
CN113730107A (zh) * 2021-09-18 2021-12-03 安庆市恒昌机械制造有限责任公司 一种吸收芯体及其工艺生产线

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