CN106364003A - 高弹性透气折绉式复合无纺布及成型方法 - Google Patents

高弹性透气折绉式复合无纺布及成型方法 Download PDF

Info

Publication number
CN106364003A
CN106364003A CN201610833917.9A CN201610833917A CN106364003A CN 106364003 A CN106364003 A CN 106364003A CN 201610833917 A CN201610833917 A CN 201610833917A CN 106364003 A CN106364003 A CN 106364003A
Authority
CN
China
Prior art keywords
film
air
elastic
elasticity
nonwoven cloth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610833917.9A
Other languages
English (en)
Inventor
杨明达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610833917.9A priority Critical patent/CN106364003A/zh
Publication of CN106364003A publication Critical patent/CN106364003A/zh
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51Elastic

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

本发明涉及一种高弹性透气折绉式复合无纺布及成型方法,包括无纺布,弹性膜的膜面有很多透气孔,带有很多透气孔的弹性膜在拉伸状态下与面层无纺布热压复合后回弹构成弹性透气折绉式复合无纺布。优点:一是无需热熔胶,即可实现面层无纺布与弹性膜的复合,确保了弹性膜及无纺布本身的透气性不受热熔胶的影响;二是开孔弹性膜的设计,不仅使弹性膜拉伸率大大地增大,而且具有高弹力、大拉伸率的特点;三是弹性膜中孔口凸台的设计,实现了无纺布与弹性膜凸台孔口部的复合,不仅极大地减少了无纺布与弹性膜的复合面积,而且伸缩弹性好,开创造中空多点支撑通透复合无纺布的先例。

Description

高弹性透气折绉式复合无纺布及成型方法
技术领域
本发明涉及一种既无需热熔胶,也无需拉伸无纺布,便能将面层无纺布复合在拉伸状态下弹性膜面上的高弹性透气折绉式复合无纺布及成型方法,主要用于医用绷带和卫生用品,属复合无纺布制造领域。
背景技术
CN202213263U、名称“一种复合无纺布”,由至少一层弹性无纺布和至少一层弹性膜复合而成。所述弹性膜为聚氨酯薄膜。所述弹性无纺布和弹性膜藉由粘合剂复合而成。所述粘合剂为热熔胶。弹性无纺布和弹性聚氨酯透气膜在进行复合操作时均处于拉伸状态,在复合完成后自动回缩。其不足之处:一是该复合无纺布复合成型时需要弹性无纺布和弹性聚氨酯透气膜在处于拉伸状态完成复合,复合成型后的无纺布的弹性膜的弹性受弹性受弹性无纺布的制约,得到的是以弹性无纺布弹性为限的复合无纺布,其弹性非常有限;二是弹性无纺布与弹性聚氨酯透气膜的复合依赖于热熔胶,而热熔胶的基本树脂是乙烯和醋酸乙烯在高温高压下共聚而成的EVA树脂,而EVA树脂的粘性本身很低,需加入增粘剂,如改性松香(138或145),C5石油树脂,C9石油树脂,萜烯树脂等,这些成份的加入使得热熔胶的粘性增强,但其作为弹性无纺布与弹性聚氨酯透气膜的复合介质时,却大大堵塞了弹性无纺布的透气性,使复合成型后的复合无纺布的透气性大大降低,甚至很差。
发明内容
设计目的:避免背景技术中的不足之处,设计一种既无需热熔胶,也无需拉伸无纺布,便能将面层无纺布和底层无纺布复合在拉伸状态下弹性膜两面的高弹性透气折绉式复合无纺布及成型方法。
设计方案:为了实现上述设计目的。本发明在结构设计上:1、弹性膜的膜面有很多透气孔的设计,是本发明的技术特征之一。这样设计的目的在于:由于本发明所述弹性膜的膜面是在拉伸的状态下与无纺布面无胶(无热熔胶)复合,即弹性透气膜在拉伸状态下弹性透气膜的膜面与无纺布直接热压复合,不会发生热熔胶堵塞弹性膜面透气孔的现象。其次,弹性透气膜的好处在于:一是它不仅能够使本不透气的弹性膜变成透气膜,而且能使布满透气孔的弹性膜的拉伸率增大---弹性好,有效地提高了弹性透气膜的伸缩率;二是采用本发明的弹性透气膜,它能够它取代目前纸尿裤弹性腰围辅料采用橡筋制作所带来的制造设备复杂、制作工艺复杂、成本高,效率低,以及采用胶粘剂定位橡筋所导致的腰围辅料弹力下降、透气性差、手感生硬、舒适性差的缺陷;二是采用本发明的弹性透气膜所制作的绷带辅料,不仅弹性好,透气性好,而且绷扎时的平整度好,制作成本低。2、带有很多透气孔的弹性膜在拉伸状态下与面层无纺布热压复合的设计,是本发明的技术特征之二。这样设计的目的在于:由于用于医用绷带和卫生用品的无纺布既要求具有良好透气性和平整度,又要求具有良好的弹性,同时价格低,而能够满足上述要求的面层无纺布的弹性非常小,基本上可以忽略不计,但是医用绷带辅料和纸尿裤腰围辅料所需的弹性复合无纺布则既要求满足平整度,又要求满足强力弹性伸缩的要求,为此本发明将弹性透气膜在拉伸的状态下与面层无纺布热压复合后回弹形成弹性透气折绉式复合无纺布,既满足了医用绷带辅料透气、平整、弹性绑扎的要求,又满足了纸尿裤腰围辅料所需平整、透气、强力弹性伸缩的要求。3、弹性膜中透气孔成形的负压吸口沿呈凸台口结构的设计,是本发明的技术特征之三。这样设计的目的在于:弹性膜面在由负压抽气打孔的过程中,其弹性膜面中的负压抽吸孔(负压出气一端)的孔沿呈凸台口,该凸台台就犹如布在弹性膜面多个孔形支撑,该由于孔形支撑的孔口部高于膜面,因此当其它无纺布结合时,使得无纺布面与弹性膜面的凸台口形成多路且路路相通的中空多点支撑。
技术方案1:一种高弹性透气折绉式复合无纺布,包括无纺布,弹性膜的膜面有很多透气孔,带有很多透气孔的弹性膜在拉伸状态下与面层无纺布热压复合后回弹构成高弹性透气折绉式复合无纺布间。
技术方案2:一种高弹性透气折绉式复合无纺布的成型方法,弹性高分子树脂颗粒在熔融的状态下通过膜成型工艺制成弹性膜或弹性透气膜,或弹性膜通过膜打孔辊组打孔构成弹性打孔透气膜,弹性打孔膜或弹性透气膜在拉伸的状态下将面层无纺布复合在弹性打孔透气膜或弹性透气膜的面上后,弹性打孔透气膜或弹性透气膜回弹迫使面层无纺布随弹性打孔透气膜或弹性透气膜形成高弹性透气折绉式复合无纺布。
本发明与背景技术相比,一是无需热熔胶,即可实现面层无纺布与弹性膜的复合,确保了弹性膜及无纺布本身的透气性不受热熔胶的影响;二是开孔弹性膜的设计,不仅使弹性膜拉伸率大大地增大,而且具有高弹力、大拉伸率的特点;三是弹性膜中孔口凸台的设计,实现了无纺布与弹性膜凸台孔口部的复合,不仅极大地减少了无纺布与弹性膜的复合面积,而且伸缩弹性好,开创造中空多点支撑通透复合无纺布的先例。
附图说明
图1是高弹性透气折绉式复合无纺布第一种实施例的结构示意图。
图2是高弹性透气折绉式复合无纺布第二种实施例的结构示意图。
具体实施方式
实施例1:参照附图1。一种高弹性透气折绉式复合无纺布,包括无纺布,弹性膜2的膜面有很多透气孔4,带有很多透气孔4的弹性膜2在拉伸状态下与面层无纺布1热压复合后回弹构成弹性透气折绉式无纺布。
所述弹性膜为弹性打孔透气膜,或弹性透气膜。所述弹性打孔透气膜2中透气孔由布满负压孔辊面上的负压抽吸流道抽吸而成,且抽气孔沿呈凸台口3;或弹性打孔透气膜2中透气孔由布满锥形针头的打孔膜成型膜辊打孔成型。所述弹性透气膜是由有机成份与无机成份构成的弹性膜在拉伸状态下形成的透气孔,该透气孔在人体温度的作用下,能够透气,但具有阻止水份子通的的功能。所述弹性折绉无纺布的拉伸率在50%-500%之间且包括端值。
实施例2:参照附图2。在实施例1的基础上,所述面层无纺布1在弹性膜2被拉伸的状态下通过凸凹辊组被热压复合在弹性膜2的面上且构成凹凸面折皱式弹性透气复合无纺布且复合粘接面为凹凸面,即面层无纺布1与弹性膜2的粘接复合部为凹凸压合面,非凹凸压合面不粘接。
实施例3:一种高弹性透气折绉式复合无纺布的成型方法,弹性高分子树脂颗粒在熔融的状态下通过膜成型工艺制成弹性膜2或弹性透气膜,或弹性膜通过膜打孔辊组打孔构成弹性打孔透气膜,弹性打孔膜或弹性透气膜在拉伸的状态下将面层无纺布1复合在弹性打孔透气膜或弹性透气膜的面上后,弹性打孔透气膜或弹性透气膜回弹迫使面层无纺布1随弹性打孔透气膜或弹性透气膜形成高弹性透气折绉式复合无纺布。
实施例4:在实施例3的基础上,所述弹性打孔透气膜或弹性透气膜在拉伸的状态下通过凹凸复合辊组将面层无纺布1复合在弹性打孔透气膜或弹性透气膜的面上,即面层无纺布1与弹性膜2的粘接复合部为凹凸压合面,非凹凸压合面不粘接。
所述膜成型工艺是指流延膜成型及打孔工艺。所述流延膜成型及打孔工艺由流延模头和膜成型打孔装置构成。所述膜成型打孔装置负压抽吸孔辊组构成,或由凹凸辊组构成。
需要理解到的是:上述实施例虽然对本发明的设计思路作了比较详细的文字描述,但是这些文字描述,只是对本发明设计思路的简单文字描述,而不是对本发明设计思路的限制,任何不超出本发明设计思路的组合、增加或修改,均落入本发明的保护范围内。

Claims (9)

1.一种高弹性透气折绉式复合无纺布,包括无纺布,其特征是:弹性膜(2)的膜面有很多透气孔(4),带有很多透气孔(4)的弹性膜(2)在拉伸状态下与面层无纺布(1)热压复合后回弹构成高弹性透气折绉式复合无纺布。
2.根据权利要求1所述的高弹性透气折绉式复合无纺布,其特征是:所述弹性膜为弹性打孔透气膜,或弹性透气膜。
3.根据权利要求1或2所述的高弹性透气折绉式复合无纺布,其特征是:所述面层无纺布(1)在弹性膜(2)被拉伸的状态下通过凸凹辊组被热压复合在弹性膜(2)的面上且构成凹凸面折皱式高弹性透气复合无纺布且复合粘接面为凹凸面。
4.根据权利要求2所述的高弹性透气折绉式复合无纺布,其特征是:所述弹性打孔透气膜(2)中透气孔由布满负压孔辊面上的负压抽吸流道抽吸而成,且抽气孔沿呈凸台口(3);或弹性打孔透气膜(2)中透气孔由布满锥形针头的打孔膜成型膜辊打孔成型。
5.根据权利要求2所述的高弹性透气折绉式复合无纺布,其特征是:所述弹性透气膜是由有机成份与无机成份构成的弹性膜在拉伸状态下形成。
6.根据权利要求1所述的高弹性透气折绉式复合无纺布,其特征是:所述弹性透气膜的拉伸率在50%-500%之间且包括端值。
7.一种高弹性透气折绉式复合无纺布的成型方法,其特征是:弹性高分子树脂颗粒在熔融的状态下通过膜成型工艺制成弹性膜(2)或弹性透气膜,或弹性膜通过膜打孔辊组打孔构成弹性打孔透气膜,弹性打孔膜或弹性透气膜在拉伸的状态下将面层无纺布(1)复合在弹性打孔透气膜或弹性透气膜的面上后,弹性打孔透气膜或弹性透气膜回弹迫使面层无纺布(1)随弹性打孔透气膜或弹性透气膜形成高弹性透气折绉式复合无纺布。
8.根据权利要求7所述的高弹性透气折绉式复合无纺布的成型方法,其特征是:所述弹性透气膜是由有机成份与无机成份构成的弹性膜在拉伸状态下形成。
9.根据权利要求7所述的高弹性透气折绉式复合无纺布的成型方法,其特征是:所述弹性打孔透气膜或弹性透气膜在拉伸的状态下通过凹凸复合辊组将面层无纺布(1)复合在弹性打孔透气膜或弹性透气膜的面上。
CN201610833917.9A 2016-09-20 2016-09-20 高弹性透气折绉式复合无纺布及成型方法 Pending CN106364003A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610833917.9A CN106364003A (zh) 2016-09-20 2016-09-20 高弹性透气折绉式复合无纺布及成型方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610833917.9A CN106364003A (zh) 2016-09-20 2016-09-20 高弹性透气折绉式复合无纺布及成型方法

Publications (1)

Publication Number Publication Date
CN106364003A true CN106364003A (zh) 2017-02-01

Family

ID=57896971

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610833917.9A Pending CN106364003A (zh) 2016-09-20 2016-09-20 高弹性透气折绉式复合无纺布及成型方法

Country Status (1)

Country Link
CN (1) CN106364003A (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108309571A (zh) * 2018-03-28 2018-07-24 嘉兴学院 一种纸尿裤及其制备方法
CN111688228A (zh) * 2020-06-19 2020-09-22 南通西田环保科技有限公司 一种pe透气膜复合面料的连续生产工艺
CN112829428A (zh) * 2020-12-24 2021-05-25 江苏鼎顺医疗用品有限公司 透气膜无纺布腿套的制备工艺
CN113619207A (zh) * 2021-08-09 2021-11-09 潍坊新环境生活用品有限公司 一种超柔、吸湿排汗的复合弹性面料的制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2602925Y (zh) * 2003-02-24 2004-02-11 广州市亨煌日用品有限公司 弹性复合无纺布
CN1596096A (zh) * 2001-11-29 2005-03-16 屈德加薄膜产品股份有限公司 高透气性防水复合物
CN1605452A (zh) * 1996-10-10 2005-04-13 屈德加薄膜产品股份有限公司 透气性弹性聚合物薄膜层压物和吸收制品
WO2016040120A1 (en) * 2014-09-12 2016-03-17 The Procter & Gamble Company Method of making nonwoven material having discrete three-dimensional deformations with wide base openings that are tip bonded to additional layer
CN206367226U (zh) * 2016-09-20 2017-08-01 杨明达 高弹性透气折绉式复合无纺布

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1605452A (zh) * 1996-10-10 2005-04-13 屈德加薄膜产品股份有限公司 透气性弹性聚合物薄膜层压物和吸收制品
CN1596096A (zh) * 2001-11-29 2005-03-16 屈德加薄膜产品股份有限公司 高透气性防水复合物
CN2602925Y (zh) * 2003-02-24 2004-02-11 广州市亨煌日用品有限公司 弹性复合无纺布
WO2016040120A1 (en) * 2014-09-12 2016-03-17 The Procter & Gamble Company Method of making nonwoven material having discrete three-dimensional deformations with wide base openings that are tip bonded to additional layer
CN206367226U (zh) * 2016-09-20 2017-08-01 杨明达 高弹性透气折绉式复合无纺布

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108309571A (zh) * 2018-03-28 2018-07-24 嘉兴学院 一种纸尿裤及其制备方法
CN108309571B (zh) * 2018-03-28 2021-01-19 嘉兴学院 一种纸尿裤及其制备方法
CN111688228A (zh) * 2020-06-19 2020-09-22 南通西田环保科技有限公司 一种pe透气膜复合面料的连续生产工艺
CN112829428A (zh) * 2020-12-24 2021-05-25 江苏鼎顺医疗用品有限公司 透气膜无纺布腿套的制备工艺
CN113619207A (zh) * 2021-08-09 2021-11-09 潍坊新环境生活用品有限公司 一种超柔、吸湿排汗的复合弹性面料的制备方法

Similar Documents

Publication Publication Date Title
CN106364003A (zh) 高弹性透气折绉式复合无纺布及成型方法
US20130304010A1 (en) Breast pad and production method thereof
CN206367226U (zh) 高弹性透气折绉式复合无纺布
CN204773829U (zh) 透气弹性的三明治复合布
CN104210200A (zh) 功能性透气膜复合无纺布
CN106541623B (zh) 弹性透气折绉式复合无纺布及成型方法
CN206621474U (zh) 弹性透气打孔医用绷带生产线
CN206367225U (zh) 弹性透气折绉式复合无纺布
CN207429268U (zh) 弹性透气打孔医用绷带
CN206623471U (zh) 弹性中空透气折绉式复合无纺布
CN106364002A (zh) 弹性中空透气折绉式复合无纺布及成型方法
CN109091309B (zh) 一种具有网格型吸收主体的纸尿裤及其制备方法
CN204149630U (zh) 功能性透气膜复合无纺布
CN207274077U (zh) 一种tpu自动修复软膜
CN106344270B (zh) 弹性透气弧形折绉式复合无纺布生产线及制作方法
CN207024181U (zh) 弹性弧形透气折绉式卫生巾贴面
CN209864333U (zh) 一种弹性腰围
CN206653712U (zh) 一种防水透气免胶复合无纺布
CN206367257U (zh) 弹性透气折绉式复合无纺布生产线
CN106264877A (zh) 弹性弧形透气折绉式卫生巾贴面及成型方法
CN106273597A (zh) 立体复合材成型方法
CN106420165A (zh) 弹性透气打孔医用绷带生产线及制作方法
CN206228501U (zh) 一种高透湿性防滑无纺布绷带
CN206979657U (zh) 层叠结构、应用该层叠结构的前腰贴及其生产装置
CN205929668U (zh) 医疗卫生用无纺布

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170201