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    • 2. 发明申请
    • COATED NANOFIBER WEBS
    • 涂层NANOFIBER WEBS
    • WO2005005696A1
    • 2005-01-20
    • PCT/US2004/021126
    • 2004-06-30
    • THE PROCTER & GAMBLE COMPANYCHHABRA, RajeevISELE, Olaf, Erik, Alexander
    • CHHABRA, RajeevISELE, Olaf, Erik, Alexander
    • D01D5/42
    • D04H1/42A61F13/15577D01D5/423Y10T442/2484Y10T442/2508Y10T442/2525Y10T442/614Y10T442/619
    • The present invention is directed to a method of forming nonwoven webs comprising coated fibers. The method of forming the nonwoven web generally comprises the steps of forming fibers from a melt fibrillation process, forming at least one fluid stream containing a coating substance, applying the coating substance onto the surface of the fiber, and depositing the coated fibers on a surface to form a web. Typically, the fibers are coated in flight. Preferably, the melt fibrillation process to form the fibers is a melt film fibrillation process. A melt film fibrillation process generally includes the steps of providing a polymeric melt, utilizing a central fluid stream to form an elongated hollow polymeric film tube, and using air to form multiple nanofibers from the hollow tube. The nonwoven web may comprise a layer having a significant number of nanofibers with diameters less than one micron. The layer may comprise two or more pluralities of fiber diameter distributions wherein at least one plurality has an average fiber diameter of less than about one micron. The coating substance can be selected from the group consisting of lotions, powders, surfactants, softeners, nanoparticles, creams, gels, conducting fluids, hydrophilic agents, hydrophobic agents, hygroscopic agents, emollients, plasticizers, absorbent gelling material, antimicrobial agents, and combinations thereof. A preferred coating substance is a surfactant. Another preferred coating substance is a hydrophilic or hydrophobic substance. The present invention is also directed to a nonwoven web comprising a layer having a significant number of nanofibers with diameters less than one micron and a coating substance is applied to a surface of said nanofibers.
    • 本发明涉及一种形成包括涂覆纤维的非织造纤维网的方法。 形成非织造纤维网的方法通常包括以下步骤:从熔体原纤维化工艺形成纤维,形成至少一种含有涂层物质的流体流,将涂层物质涂覆在纤维的表面上,并将涂覆的纤维沉积在表面上 形成网络。 通常,纤维在飞行中被涂覆。 优选地,用于形成纤维的熔融原纤化工艺是熔融薄膜原纤维化工艺。 熔融薄膜原纤化方法通常包括提供聚合物熔体的步骤,利用中心流体流形成细长的中空聚合物薄膜管,并使用空气从中空管形成多个纳米纤维。 非织造纤维网可以包括具有大量直径小于1微米的纳米纤维的层。 该层可以包括两个或更多个纤维直径分布,其中至少一个具有小于约一微米的平均纤维直径。 涂层物质可以选自洗剂,粉剂,表面活性剂,软化剂,​​纳米颗粒,霜剂,凝胶,导电流体,亲水剂,疏水剂,吸湿剂,润肤剂,增塑剂,吸收凝胶材料,抗微生物剂和组合 它们。 优选的包衣物质是表面活性剂。 另一种优选的包衣物质是亲水或疏水物质。 本发明还涉及一种非织造纤维网,其包含具有大量直径小于1微米的纳米纤维的层,并且将涂层物质施加到所述纳米纤维的表面上。
    • 3. 发明申请
    • HYGIENE ARTICLES CONTAINING NANOFIBERS
    • 含有纳米纤维的卫生用品
    • WO2005004767A2
    • 2005-01-20
    • PCT/US2004/021127
    • 2004-06-30
    • THE PROCTER & GAMBLE COMPANYISELE, Olaf, Erik, AlexanderCHHABRA, Rajeev
    • ISELE, Olaf, Erik, AlexanderCHHABRA, Rajeev
    • A61F13/15
    • A61F13/514A61F13/15658A61F13/5146A61F13/537D04H1/4374D04H1/4382D04H3/14D04H13/00D04H13/002D04H13/02Y10T442/626
    • The present invention is directed to hygiene articles comprising nanofibers. The hygiene articles include diapers, training pants, adult incontinence pads, catamenials products such as feminine care pads and pantiliners, tampons, personal cleansing articles, personal care articles, and personal care wipes including baby wipes, facial wipes, body wipes, and feminine wipes. The nanofiber webs can be used as a barrier, wipe, absorbent material, and other uses. Particularly, the nanofiber web is used in a diaper as a barrier-on-core, outercover, and/or leg cuff. It may also be used as a wipe for reducing the gradient of liquid, controlled delivery of materials, and other uses. The nanofibers, having a diameter of less than 1 micron, must comprise a significant number of the fibers in one layer of the web contained by the hygiene article. The nanofibers are produced from a melt film fibrillation process. The process generally includes the steps of providing a polymeric melt, utilizing a central fluid stream to form an elongated hollow polymeric film tube, and using this and/or other fluid streams to form multiple nanofibers from the hollow tube.
    • 本发明涉及包含纳米纤维的卫生制品。 卫生用品包括尿布,训练裤,成人失禁垫,月经护理产品如女性护理垫和短裤护垫,卫生棉条,个人清洁用品,个人护理用品和个人护理湿巾,包括婴儿湿巾,面部擦拭物,身体擦拭物和女性湿巾 。 纳米纤维网可用作屏障,擦拭,吸收材料和其他用途。 特别地,纳米纤维网在尿布中用作芯屏障,外罩和/或腿箍。 它也可以用作减少液体梯度,控制材料输送和其它用途的擦拭物。 具有小于1微米直径的纳米纤维必须在卫生制品所含的一层纤维网中包含相当数量的纤维。 该纳米纤维由熔融薄膜原纤维化工艺制成。 该方法通常包括提供聚合物熔体的步骤,利用中心流体流形成细长的中空聚合物膜管,并使用该和/或其它流体流从中空管形成多个纳米纤维。
    • 10. 发明申请
    • HYGIENE ARTICLES CONTAINING NANOFIBERS
    • 含纳米纤维的卫生用品
    • WO2005004767A3
    • 2005-04-14
    • PCT/US2004021127
    • 2004-06-30
    • PROCTER & GAMBLEISELE OLAF ERIK ALEXANDERCHHABRA RAJEEV
    • ISELE OLAF ERIK ALEXANDERCHHABRA RAJEEV
    • A61F13/15D04H13/00D04H13/02D06M23/08
    • A61F13/514A61F13/15658A61F13/5146A61F13/537D04H1/4374D04H1/4382D04H3/14D04H13/00D04H13/002D04H13/02Y10T442/626
    • The present invention is directed to hygiene articles comprising nanofibers. The hygiene articles include diapers, training pants, adult incontinence pads, catamenials products such as feminine care pads and pantiliners, tampons, personal cleansing articles, personal care articles, and personal care wipes including baby wipes, facial wipes, body wipes, and feminine wipes. The nanofiber webs can be used as a barrier, wipe, absorbent material, and other uses. Particularly, the nanofiber web is used in a diaper as a barrier-on-core, outercover, and/or leg cuff. It may also be used as a wipe for reducing the gradient of liquid, controlled delivery of materials, and other uses. The nanofibers, having a diameter of less than 1 micron, must comprise a significant number of the fibers in one layer of the web contained by the hygiene article. The nanofibers are produced from a melt film fibrillation process. The process generally includes the steps of providing a polymeric melt, utilizing a central fluid stream to form an elongated hollow polymeric film tube, and using this and/or other fluid streams to form multiple nanofibers from the hollow tube.
    • 本发明涉及包含纳米纤维的卫生制品。 卫生用品包括尿布,训练裤,成人失禁垫,月经产品如女性护理垫和护垫,卫生棉条,个人清洁用品,个人护理用品和个人护理用湿巾,包括婴儿湿巾,面巾,身体湿巾和女性湿巾 。 纳米纤维网可以用作屏障,擦拭,吸收材料和其他用途。 特别地,纳米纤维网被用在尿布中作为屏障上芯,外套和/或腿套。 它也可以用作减少液体梯度,控制物料输送和其他用途的擦拭物。 直径小于1微米的纳米纤维必须在由卫生制品包含的一层纤网中包含大量的纤维。 纳米纤维由熔膜原纤化法生产。 该方法通常包括提供聚合物熔体的步骤,利用中心流体流形成细长的中空聚合物膜管,并使用该流体流和/或其它流体流从中空管形成多个纳米纤维。