CN108221176A - 一种超干爽面层材料 - Google Patents

一种超干爽面层材料 Download PDF

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CN108221176A
CN108221176A CN201611149360.3A CN201611149360A CN108221176A CN 108221176 A CN108221176 A CN 108221176A CN 201611149360 A CN201611149360 A CN 201611149360A CN 108221176 A CN108221176 A CN 108221176A
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fiber
surface material
super dry
comfortable surface
net
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祝二斌
林速
林一速
吴晓彪
王伟
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Hengan Fujian Holding Group Co Ltd
Fujian Hengan Sanitary Material Co Ltd
Fujian Hengan Household Life Article Co Ltd
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Hengan Fujian Holding Group Co Ltd
Fujian Hengan Sanitary Material Co Ltd
Fujian Hengan Household Life Article Co Ltd
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
    • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2509/00—Medical; Hygiene
    • D10B2509/02—Bandages, dressings or absorbent pads
    • D10B2509/026—Absorbent pads; Tampons; Laundry; Towels

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  • Nonwoven Fabrics (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Abstract

本发明公开了一种超干爽面层材料，该面层材料由两层纤维网热风加固而成，上下层纤维网均采用皮芯双组分纤维，但是其亲水整理剂、上油率、纤维粗细、纤维卷取数和纤维卷曲率均不相同，所述两层纤维网经双梳理机分别梳理，双层铺网，通过热风烘箱进行热粘合加固。所述超干爽面层材料的特点：多次渗透迅速，液体单点下渗，上层扩散面积小，回渗量低。

Description

一种超干爽面层材料
技术领域
本发明涉及一种超干爽面层材料。所述超干爽面层材料主要用作纸尿布、卫生巾等一次性卫生用品的面层。
背景技术
面层材料位于一次性使用卫生用品（如：纸尿布、卫生巾等）表层，主要起到与皮肤接触、承接液体、传导液体、快速下渗和防止返渗的作用，不但要求其具有良好的触感，而且要求当液体到达该层后，快速且尽量少附着的传输到吸水芯层，缩短液体与皮肤的接触时间，减少液体与皮肤的接触量，有效减少卫生用品过敏现象发生。
现有一次性使用卫生用品所用的面层主要为热风无纺布或热轧无纺布，其主要作用是作为分隔与滤过材料，使人体皮肤与纤维垫吸附芯之间有一层清洁的隔离层，同时当液体排出时，又能让液体顺畅地通过这层面料进入吸收芯体。现用面层材料多为单一纤维，单层纤维网，液体传递上下互通，渗透快速，往往回渗量较大，渗透速度慢，不能满足卫生用品快速渗透的需求，且蓬松柔软度不够，控制成品返渗效果不佳，造成卫生用品过敏率居高不下。
发明内容
本发明的目的是，提供一种超干爽面层材料。
为实现上述目的，本发明采用以下技术方案：
一种超干爽面层材料，由两层亲水程度、卷取数、卷曲率不同的纤维网，通过热风加固而成。
所述表上层纤维网采用皮芯双组份纤维，其中皮层为聚乙烯，芯层为聚丙烯、聚酯两种树脂中的任意一种；纤维长度为38或51mm，纤维细度为1.5-3D，纤维卷曲数为12-19个/25mm，纤维卷曲率为13-21%，纤维经多次强亲水油剂处理（上油率为0.3-0.6%）。经本领域公知的开松、梳理、铺网制备而得。上层纤维网克重为7-25g/m2。
所述表下层纤维网采用皮芯双组份纤维，其中皮层为聚乙烯，芯层为聚丙烯、聚酯两种树脂中的任意一种；纤维长度为38或51mm，细度为2-4D，纤维卷曲数为11-18个/25mm，纤维卷曲率为15-21%，纤维经市售多次弱亲水油剂处理（上油率0.3-0.5%）。经本领域公知的开松、梳理、铺网制备而得。上层纤维网克重为8-30g/m2。下层纤维网的厚度和孔径均大于上层纤维网，密度小于上层纤维网，两层上下间存在势能差，可使液体快速渗入、但回渗量较少。
如上所述的超干爽面层材料，双层纤维网经分别梳理后，双层纤维网进行叠加，经热风加固。
本发明的有益效果在于：
液体在超干爽面层材料中主要沿垂直方向传递，液体穿过该层的时间短，在上层纤维网上扩散面积小，下层纤维网与上层纤维网蓬松度不同，亲水性不同，液体沿着表面能较低的下层爬升能力差，此特性使得皮肤与液体接触时间短，接触面积小，回渗至面层材料的液体少，可有效减少尿液等***物对皮肤的刺激。此外，所述超干爽面层材料多次渗透迅速，回渗量少，经LISTER-CA渗透仪测试，前三次渗透时间均小于3s，回渗量小于等于0.1g。
具体实施方式
超干爽面层材料由两层纤维网构成，上下纤维网采用分别进行独立梳理，双纤维网上下叠合，然后双纤维网通过热风烘箱，进行加固而得。
上层纤维网采用皮芯双组分纤维，其中皮层为聚乙烯、芯层为聚酯，纤维长度为38或51mm，纤维细度为1.5-3D，纤维卷曲数为12-19个/25mm，纤维卷曲率为13-21%，纤维经多次强亲水油剂HA-YJ-1309D/HA-YJ-1308（市购）处理（上油率0.3-0.6%）。纤维经开包机开清棉后进入梳理机，通过锡林梳理后转移至道夫，通过调整工作辊与大锡林之间的速度比，使梳理后的大部分纤维沿长度方向排列规整。
下层纤维网采用皮芯双组分纤维，其中皮层为聚乙烯、芯层为聚酯，纤维长度为38或51mm，细度为2-4D，纤维卷曲数为11-18个/25mm，纤维卷曲率为15-21%，纤维经多次弱亲水油剂科凯6087-4（市购）处理（上油率0.3-0.5%）。纤维经开包机开清棉后进入梳理机，通过锡林梳理后转移至道夫，通过调整工作辊与大锡林之间的速度比，使其杂乱程度较大，蓬松度较大，密度较小。
双层纤网成型后在传输网帘处叠合，后转移至烘箱，经130-155℃热风穿透，纤维表层熔融，进而加固。该无纺布的平方克重为15-50g/m2。
根据上述方法，制造出超干爽面层材料样品1、样品2、样品3和样品4，各样品及对比样（目前普遍应用于一次性使用卫生用品的面层材料）参数如表1所示：
表1
配置一定量的生理盐水，并在生理盐水中加入0.5%靛蓝，备用。
采用LISTER-CA渗透仪，分别测试样品和对比样多次渗透、回渗量的数据。
扩散长度测量方法：将测试样品放在铁板的滤纸上，调节加液漏斗的高度，使其下口的最下端距试样表面5mm~10mm。用移液管准确移取测试溶液5mL于调节好的漏斗中，然后迅速打开漏斗节门至最大，使溶液自由地流到试样的表面上，溶液流完后，将漏斗节门关闭。连续放液3次，然后测量出生理盐水在试样上表面和下表面的扩散长度和宽度，多次测试，取平均值，并计算出面积。
测试结果如表2所示：
表2
测试结果表明，本发明提供的超干爽面层材料，由于上层纤维网使用纤维经特殊处理，液体下渗迅速，且扩散面积小，下层纤维网杂乱程度大，蓬松度高，纤维网密度小，能够迅速地将上层纤维网中的液体吸附下来，同时通过其上强亲下弱亲的性能差异，使液体主要沿垂直方向单向向下渗透，故回渗量极小。
以上结合实施例对本发明进行了较为详细的描述，但这并不构成对本发明内容的限制。在同样的构思下所做出的修改、变化及变型，均落入本发明的保护范围。

Claims (7)

1.一种超干爽面层材料，由两层纤维网构成，上层纤维网为皮芯双组分纤维，经多次强亲水油剂处理，下层纤维网亦为皮芯双组分纤维，经多次弱亲水油剂处理，纤维网之间通过热风加固，该超干爽面层材料多次渗透迅速，前三次渗透时间均小于3s，回渗量小于等于0.1g，液体主要沿垂直方向快速下渗，在上层纤维网上扩散面积小，回渗量低。
2.如权利要求1所述的超干爽面层材料，其特征在于所述上层纤维网采用皮芯双组分纤维，其中皮层为聚乙烯，芯层为聚丙烯、聚酯两种树脂中的任意一种，纤维长度为38或51mm，纤维细度为1.5-3D，纤维卷曲数为12-19个/25mm，纤维卷曲率为13-21%，纤维经多次强亲水油剂处理，上油率为0.3-0.6%。
3.如权利要求1所述的超干爽面层材料，其特征在于所述下层纤维网采用皮芯双组分纤维，其中皮层为聚乙烯，芯层为聚丙烯、聚酯两种树脂中的任意一种，纤维长度为38或51mm，细度为2-4D，纤维卷曲数为11-18个/25mm，纤维卷曲率为15-21%，纤维经多次弱亲水油剂处理，上油率0.3-0.5%。
4.如权利要求1所述的超干爽面层材料，其特征在于所述上层纤维网所占比例为30～60wt%，下层纤维网所占比例为40-70wt%。
5.如权利要求1所述的超干爽面层材料，其特征在于所述双层纤维网的平方克重为15～50g/m2。
6.如权利要求1所述的超干爽面层材料，其特征在于所述下层纤维网的厚度和孔隙大于上层纤维网，密度小于上层纤维网。
7.如权利要求1所述的超干爽面层材料，其特征在于所述的加固方式为热风加固，加固温度为130-155℃。
CN201611149360.3A 2016-12-14 2016-12-14 一种超干爽面层材料 Pending CN108221176A (zh)

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Cited By (3)

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CN108893869A (zh) * 2018-08-27 2018-11-27 北京大源非织造股份有限公司 一种功能型非织造布及其制备方法
CN109566214A (zh) * 2019-01-07 2019-04-05 东华大学 一种可降解农用地膜及其制备方法
CN110670240A (zh) * 2019-10-31 2020-01-10 东华大学 一种可使液体快速下渗并抑制回渗的无纺布及其制备方法

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JP2016098464A (ja) * 2014-11-25 2016-05-30 ダイワボウホールディングス株式会社 液体含浸皮膚被覆シート用不織布および液体含浸皮膚被覆シート
CN204566854U (zh) * 2015-04-20 2015-08-19 上海丰格无纺布有限公司 一种用于一次性卫生用品的亲肤防回渗表层面料
CN204690262U (zh) * 2015-06-04 2015-10-07 北京大源非织造有限公司 一种拒水-亲水非织造布
CN205035594U (zh) * 2015-09-25 2016-02-17 大源非织造（苏州）有限公司 一种高厚度复合双层热风非织造布
CN106048888A (zh) * 2016-07-06 2016-10-26 常州维盛无纺科技有限公司 含有天然纤维的多层无胶复合无纺布及其制备方法和应用

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CN108893869A (zh) * 2018-08-27 2018-11-27 北京大源非织造股份有限公司 一种功能型非织造布及其制备方法
CN109566214A (zh) * 2019-01-07 2019-04-05 东华大学 一种可降解农用地膜及其制备方法
CN110670240A (zh) * 2019-10-31 2020-01-10 东华大学 一种可使液体快速下渗并抑制回渗的无纺布及其制备方法

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