CN106042539A - Sms复合无纺布 - Google Patents

Sms复合无纺布 Download PDF

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Publication number
CN106042539A
CN106042539A CN201610592531.3A CN201610592531A CN106042539A CN 106042539 A CN106042539 A CN 106042539A CN 201610592531 A CN201610592531 A CN 201610592531A CN 106042539 A CN106042539 A CN 106042539A
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China
Prior art keywords
layer
fibre
nonwoven cloth
compound nonwoven
nonwoven fabric
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Pending
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CN201610592531.3A
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English (en)
Inventor
周祥元
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Changshu Lixin Nonwovens Fabricet Co Ltd
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Changshu Lixin Nonwovens Fabricet Co Ltd
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Priority to CN201610592531.3A priority Critical patent/CN106042539A/zh
Publication of CN106042539A publication Critical patent/CN106042539A/zh
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    • 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
    • B32B5/22Layered 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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24Layered 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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26Layered 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 the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • 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
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02Synthetic macromolecular fibres
    • B32B2262/0253Polyolefin fibres
    • 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
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02Synthetic macromolecular fibres
    • B32B2262/0276Polyester fibres
    • 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
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/04Cellulosic plastic fibres, e.g. rayon
    • 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
    • B32B2262/00Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06Vegetal fibres
    • B32B2262/062Cellulose fibres, e.g. cotton
    • 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
    • B32B2307/70Other properties
    • B32B2307/714Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145Rot proof, resistant to bacteria, mildew, mould, fungi
    • 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
    • B32B2307/70Other properties
    • B32B2307/724Permeability to gases, adsorption
    • 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
    • B32B2307/70Other properties
    • B32B2307/726Permeability to liquids, absorption

Landscapes

  • Nonwoven Fabrics (AREA)

Abstract

本发明公开一种SMS复合无纺布,所述SMS复合无纺布包括最外层的合成纤维层、中间层的熔喷纤维层和内层的无纺布基体。本发明提供一种SMS复合无纺布,具有强度高、过滤性能好、透气性好的优点。

Description

SMS复合无纺布
技术领域
本发明涉及一种SMS复合无纺布。
背景技术
无纺布又称不织布,是由定 向的或随机的纤维而构成,是新一代环保材料,具有防潮、透气、柔韧、质轻、不助燃、容易分 解、无毒无刺激性、色彩丰富、价格低廉、可循环再用等特点。如多采用聚丙烯(pp材质)粒料 为原料,经高温熔融、喷丝、铺纲、热压卷取连续一步法生产而成。因具有布的外观和某些性 能而称其为布。
无纺布俗称非织造布,它是将短纤维或者长丝进行定向或随机排列,形成纤网结构,然后采用机械、热轧或化学等方法加固,最后形成的无编织的布料。吸水无纺布是无纺布的一种,其在服装材料、过滤材料、废水处理、卫生用品、医疗用品、化工用品等领域皆应用广泛。传统的吸水无纺布大多由多层无纺布直接组合而成。由于无纺布多由短纤维和长丝无定向排列而成,因此其形成的吸水无纺布在吸水膨胀之后,其中的短纤维和长丝之间的相互作用力急剧减弱,导致丧失拉力延展性,出现拉伸易折断的缺点。同时,传统的吸水无纺布还存在吸水能力差、保水时间短、以及对环境不友好等不足。
发明内容
本发明的目的在于提供一种SMS复合无纺布,具有强度高、过滤性能好、透气性好的优点。
本发明的技术方案是:一种SMS复合无纺布,所述SMS复合无纺布包括最外层的合成纤维层、中间层的熔喷纤维层和内层的无纺布基体,所述熔喷纤维层的厚度为0.5-1.5mm,所述熔喷纤维层的纤维直径为1-4μm,所述无纺布基体是由混纺纤维和纳米银抗菌棉纤维复合而成,所述混纺纤维由涤纶纤维与粘胶纤维交织而成。
在本发明一个较佳实施例中,所述合成纤维层的厚度为1-2mm。
在本发明一个较佳实施例中,所述涤纶纤维与粘胶纤维重量的比例为2:1。
本发明的一种SMS复合无纺布,具有强度高、过滤性能好、透气性好的优点。
附图说明
附图1为本发明SMS复合无纺布一较佳实施例的立体结构示意图。
附图中各部件的标记如下:1、最外层,2、中间层,3、内层。
具体实施方式
下面结合附图对本发明的较佳实施例进行详细阐述,以使本发明的优点和特征能更易于被本领域技术人员理解,从而对本发明的保护范围做出更为清楚明确的界定。
请参阅图1,图1是本发明一种SMS复合无纺布,所述SMS复合无纺布包括最外层1的合成纤维层、中间层2的熔喷纤维层和内层3的无纺布基体,所述熔喷纤维层的厚度为0.5-1.5mm,所述熔喷纤维层的纤维直径为1-4μm,所述无纺布基体是由混纺纤维和纳米银抗菌棉纤维复合而成,所述混纺纤维由涤纶纤维与粘胶纤维交织而成,所述合成纤维层的厚度为1-2mm,所述涤纶纤维与粘胶纤维重量的比例为2:1。
熔喷纤维应用在(1)医疗卫生用布:手术衣、防护服、消毒包布、口罩、尿片、妇女卫生巾等;(2)家庭装饰用布:贴墙布、台布、床单、床罩等;(3)跟装用布:衬里、粘合衬、絮片、定型棉、各种合成革底布等;(4)工业用布:过滤材料、绝缘材料、水泥包装袋、土工布、包覆布等;(5)农业用布:作物保护布、育秧布、灌溉布、保温幕帘等;(6)其它:太空棉、保温隔音材料、吸油毡、烟过滤嘴、袋包茶叶袋等。熔喷纤维是由聚丙烯超细纤维随机分布沾结在一起,外观洁白、平整、柔软,材料纤维细度为0.5-1.0μm,纤维的随机分布提供了纤维间更多的热粘合机会,因而使熔喷气体过滤材料具有更大的比表面积,更高的孔隙率(≥75%)。经过高压驻极过滤效率,使产品具有低阻、高效、高容尘等特点。
在进一步说明,粘胶纤维具有良好的吸湿性,在一般大气条件下,回潮率在13%左右。吸湿后显著膨胀,直径增加可达50%,所以织物下水后手感发硬,收缩率大。普通粘胶纤维的断裂强度比棉小,约为1.6-2.7cN/dtex;断裂伸长率大于棉,为16%~22%;湿强下降多,约为干强的50%,湿态伸长增加约50%。其模量比棉低,在小负荷下容易变形,而弹性回复性能差,因此织物容易伸长,尺寸稳定性差。富纤的强度特别是湿强比普通粘胶高,断裂伸长率较小,尺寸稳定性良好。普通粘胶的耐磨性较差,而富纤则有所改善。本发明提供一种SMS复合无纺布,具有强度高、过滤性能好、透气性好的优点。
本发明的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本领域的技术人员在本发明所揭露的技术范围内,可不经过创造性劳动想到的变化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该以权利要求书所限定的保护范围为准。

Claims (3)

1.一种SMS复合无纺布,其特征在于:所述SMS复合无纺布包括最外层的合成纤维层、中间层的熔喷纤维层和内层的无纺布基体,所述熔喷纤维层的厚度为0.5-1.5mm,所述熔喷纤维层的纤维直径为1-4μm,所述无纺布基体是由混纺纤维和纳米银抗菌棉纤维复合而成,所述混纺纤维由涤纶纤维与粘胶纤维交织而成。
2.根据权利要求1所述的SMS复合无纺布,其特征在于:所述合成纤维层的厚度为1-2mm。
3.根据权利要求1所述的SMS复合无纺布,其特征在于:所述涤纶纤维与粘胶纤维重量的比例为2:1。
CN201610592531.3A 2016-07-26 2016-07-26 Sms复合无纺布 Pending CN106042539A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108248168A (zh) * 2016-12-28 2018-07-06 天津圣奥无纺布有限公司 一种抗菌无纺布及其制备方法
WO2023071094A1 (zh) * 2021-10-28 2023-05-04 国桥实业(深圳)有限公司 一种棉被及其制备方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108248168A (zh) * 2016-12-28 2018-07-06 天津圣奥无纺布有限公司 一种抗菌无纺布及其制备方法
WO2023071094A1 (zh) * 2021-10-28 2023-05-04 国桥实业(深圳)有限公司 一种棉被及其制备方法

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Application publication date: 20161026