CN105034497A - 防水透气无纺布及其生产工艺 - Google Patents

防水透气无纺布及其生产工艺 Download PDF

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Publication number
CN105034497A
CN105034497A CN201510408923.5A CN201510408923A CN105034497A CN 105034497 A CN105034497 A CN 105034497A CN 201510408923 A CN201510408923 A CN 201510408923A CN 105034497 A CN105034497 A CN 105034497A
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China
Prior art keywords
waterproof
woven fabric
woven fabrics
nonwoven layer
layer
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CN201510408923.5A
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English (en)
Inventor
夏贺青
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Xiashi Packing Co Ltd
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Xiashi Packing Co Ltd
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Priority to CN201510408923.5A priority Critical patent/CN105034497A/zh
Publication of CN105034497A publication Critical patent/CN105034497A/zh
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered 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
    • B32B5/02—Layered 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption

Landscapes

  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)

Abstract

本发明公开了防水透气无纺布，该防水透气无纺布由上PP无纺布层、PE高分子膜层和下PP无纺布层组成，上PP无纺布层、PE高分子膜层和下PP无纺布层从上至下热轧为一体。本发明的无纺布结构简单，生产工艺易控，柔软性好，手感舒适，防水透气性好，特别适用于卫生材料、包装袋等产品的加工。

Description

防水透气无纺布及其生产工艺
技术领域
本发明属于无纺布技术领域，特别是涉及一种防水透气无纺布及其生产工艺。
背景技术
无纺布是一种非织造布，它是直接利用高聚物切片、短纤维或长丝将纤维通过气流或机械成网，然后经过水刺，针刺，或热轧加固，最后经过后整理形成的无编织的布料，具有柔软、透气和平面结构的新型纤维制品。目前，无纺布广泛应用于工业用布、医疗卫生用布、家庭装饰用布、农业用布等方面，但由于无纺布的防水防潮性能比较差，在湿度较大或者淋水的情况下极大地影响后续加工工艺及使用性能。
发明内容
本发明所要解决的技术问题是提供具有较好防水透气性能的无纺布及其生产工艺。
为解决上述技术问题，本发明采用的技术方案是：
防水透气无纺布，该防水透气无纺布由上PP无纺布层、PE高分子膜层和下PP无纺布层组成，上PP无纺布层、PE高分子膜层和下PP无纺布层从上至下热轧为一体。
上述防水透气无纺布的生产工艺，包括以下步骤：
1）将热轧机导热油加热至120-140℃；
2）上PP无纺布层、PE高分子膜层和下PP无纺布层从上至下分别放卷，三层材料叠加后同时导入热轧机的热轧辊，在导热油和辊压力的作用下热轧为一体，制得防水透气无纺布；
3）将制得的防水透气无纺布通过收卷机卷取成卷。
与现有技术相比，本发明的优点是：本发明的无纺布结构简单，生产工艺易控，柔软性好，手感舒适，防水透气性好，特别适用于卫生材料、包装袋等产品的加工。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细描述。
图1是本发明的结构示意图。
其中，1、上PP无纺布层，2、PE高分子膜层，3、下PP无纺布层。
具体实施方式：
如图1所示的防水透气无纺布，该防水透气无纺布由上PP无纺布层1、PE高分子膜层2和下PP无纺布层3组成，上PP无纺布层1、PE高分子膜层2和下PP无纺布层3从上至下热轧为一体。
上述防水透气无纺布的生产工艺，包括以下步骤：
1）将热轧机导热油加热至120-140℃；
2）上PP无纺布层1、PE高分子膜层2和下PP无纺布层2从上至下分别放卷，三层材料叠加后同时导入热轧机的热轧辊，在导热油和辊压力的作用下热轧为一体，制得防水透气无纺布，由于PE高分子膜层2和上下两层PP无纺布层之间在温度和压力的作用下已经结合在一起了，PE高分子膜层2的密度被控制在介于气体分子密度和水分子密度之间，从而达到防水透气的效果，同时不影响产品整体的柔软性；
3）将制得的防水透气无纺布通过收卷机卷取成卷，以便后续加工。

Claims (2)

1.防水透气无纺布，其特征在于，该防水透气无纺布由上PP无纺布层、PE高分子膜层和下PP无纺布层组成，所述上PP无纺布层、PE高分子膜层和下PP无纺布层从上至下热轧为一体。
2.根据权利要求1所述的防水透气无纺布的生产工艺，其特征在于，该工艺包括以下步骤：
1）将热轧机导热油加热至120-140℃；
2）上PP无纺布层、PE高分子膜层和下PP无纺布层从上至下分别放卷，三层材料叠加后同时导入热轧机的热轧辊，在导热油和辊压力的作用下热轧为一体，制得防水透气无纺布；
3）将制得的防水透气无纺布通过收卷机卷取成卷。
CN201510408923.5A 2015-07-14 2015-07-14 防水透气无纺布及其生产工艺 Pending CN105034497A (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106634099A (zh) * 2016-12-19 2017-05-10 苏州金威特工具有限公司 一种防水透气无纺布
CN108973280A (zh) * 2018-04-09 2018-12-11 衢州市瑞昊无纺布有限公司 一种防水透气的无纺布及其生产工艺
CN113039984A (zh) * 2019-12-27 2021-06-29 南通龙达生物新材料科技有限公司 一种可控型耐水耐热生物降解地膜及其制备方法
CN113133563A (zh) * 2021-04-08 2021-07-20 浙江汉保利罗针织股份有限公司 防水透气膜的平板男袜

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001219493A (ja) * 2000-02-08 2001-08-14 Idemitsu Petrochem Co Ltd 積層不織布および熱融着物品
CN101041277A (zh) * 2006-07-27 2007-09-26 宁波山泉建材有限公司 净化空气及防水透气的三层复合膜、其制备方法及应用
CN204845001U (zh) * 2015-07-14 2015-12-09 雄县夏氏包装有限公司 防水透气无纺布

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001219493A (ja) * 2000-02-08 2001-08-14 Idemitsu Petrochem Co Ltd 積層不織布および熱融着物品
CN101041277A (zh) * 2006-07-27 2007-09-26 宁波山泉建材有限公司 净化空气及防水透气的三层复合膜、其制备方法及应用
CN204845001U (zh) * 2015-07-14 2015-12-09 雄县夏氏包装有限公司 防水透气无纺布

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106634099A (zh) * 2016-12-19 2017-05-10 苏州金威特工具有限公司 一种防水透气无纺布
CN108973280A (zh) * 2018-04-09 2018-12-11 衢州市瑞昊无纺布有限公司 一种防水透气的无纺布及其生产工艺
CN113039984A (zh) * 2019-12-27 2021-06-29 南通龙达生物新材料科技有限公司 一种可控型耐水耐热生物降解地膜及其制备方法
CN113133563A (zh) * 2021-04-08 2021-07-20 浙江汉保利罗针织股份有限公司 防水透气膜的平板男袜

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