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    複合型不織布とその製造方法
    1.
    发明专利
    複合型不織布とその製造方法 审中-公开

    公开(公告)号：JP2020128602A

    公开(公告)日：2020-08-27

    申请号：JP2019020901

    申请日：2019-02-07

    Applicant: 日本製紙クレシア株式会社

    Inventor： 高橋 創 ,  大篭 幸治 ,  村田 剛

    IPC: D04H5/06 ,  D04H5/03 ,  B32B5/26 ,  D04H3/08 ,  D04H1/4374

    Abstract: 【課題】横方向での耐久性や寸法安定性が改善されており、外観においても優れている複合型不織布を提供する。 【解決手段】スパンボンド不織布SW上にパルプ繊維ウエブPFWを積層し一体化してある複合型の不織布WPであって、前記スパンボンド不織布SWは、紡糸された樹脂繊維を接続する複数の融着点MPを含んで形成されており、前記紡糸の方向を縦方向LL、前記縦方向に直角な方向を横方向TLとして、前記スパンボンド不織布SWを前記縦方向LLへ見た側面投影構成において、前記融着点MPが途切れ無く存在しているように、当該融着点MPが前記スパンボンド不織布SWに配置されている。 【選択図】図1

    Method of modifying nonwoven fibrous web for use as component of disposable absorbent article
    3.
    发明专利
    Method of modifying nonwoven fibrous web for use as component of disposable absorbent article 有权
    修改非挥发性纤维网的方法作为可吸收吸收物品的组分使用

    公开(公告)号：JP2010119861A

    公开(公告)日：2010-06-03

    申请号：JP2010011190

    申请日：2010-01-21

    Applicant: Procter & Gamble Co ,  ザ プロクター アンド ギャンブル カンパニー

    Inventor： DOBRIN GEORGE CHRISTOPHER ,  BENSON DOUGLAS HERRIN ,  CURRO JOHN JOSEPH

    IPC: A61F13/15 ,  D06C23/04 ,  A61F5/44 ,  A61F13/49 ,  A61F13/514 ,  B29C55/14 ,  B29C55/18 ,  B32B5/04 ,  B32B5/26 ,  B32B37/00 ,  D04H1/42 ,  D04H1/44 ,  D04H3/08 ,  D04H3/16 ,  D04H13/00 ,  D06C3/06

    CPC classification number: B29C55/14 ,  B29C55/18 ,  B29K2105/0854 ,  B32B5/04 ,  D04H1/44 ,  D04H3/08 ,  D04H13/00

    Abstract: PROBLEM TO BE SOLVED: To provide an economical method for modifying the physical characteristics of a nonwoven fibrous web (5). SOLUTION: The method includes passing the web between at least one pair of interengaged rollers (8, 9) to incrementally stretch the web (5), and withdrawing the incrementally stretched web from between the rollers under tension. The web modified according to the method has advantageous elongation, extensibility and strength characteristics as well as other desirable characteristics. In another aspect, a method is provided for forming a composite material (12) by combining a modified nonwoven web (9a) with a polymeric film or an elastic member (11) which is liquid-impervious yet breathable. In yet other aspect, a method is provided for forming a composite material by combining a modified web with a polymeric film which is rendered liquid-impervious yet breathable while the method is performed. The modified nowoven webs and composite materials made according to the methods may be advantageously employed in absorbent articles such as disposable diapers. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供用于改变非织造纤维网（5）的物理特性的经济方法。 解决方案：该方法包括将纤维网在至少一对相互接合的辊（8,9）之间通过以递增地拉伸纤维网（5），以及在张力下从辊之间撤出增量拉伸的纤维网。 根据该方法改性的纤维网具有有利的伸长率，伸长率和强度特性以及其它所需的特性。 在另一方面，提供了一种通过将改性非织造纤维网（9a）与不透液体但不透气的聚合物膜或弹性构件（11）组合来形成复合材料（12）的方法。 在另一方面，提供了一种通过将改性纤维网与聚合物膜结合形成复合材料的方法，所述聚合物膜在进行该方法时呈现为液体不渗透性，但是透气性。 根据该方法制备的经改性的网和复合材料可有利地用于诸如一次性尿布的吸收制品中。 版权所有（C）2010，JPO＆INPIT

    Method for producing filament nonwoven fabric
    6.
    发明专利
    Method for producing filament nonwoven fabric 审中-公开
    生产非织造布的方法

    公开(公告)号：JP2006299463A

    公开(公告)日：2006-11-02

    申请号：JP2005123207

    申请日：2005-04-21

    Applicant: Teijin Cordley Ltd ,  帝人コードレ株式会社

    Inventor： MAEDA SATOSHI ,  ONO HITOSHI ,  KIKUCHI MASAYOSHI ,  OKAWA NOBUO

    IPC: D04H3/08 ,  D04H3/005 ,  D04H3/105 ,  D06N3/00

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing filament nonwoven fabric excellent in surface homogeneity, manifesting high quality crease in applying to an artificial grain leather.
    SOLUTION: In the method for producing filament nonwoven fabric, filament has structure dividable into at least two kinds of fibers immediately after spinning and at least a kind of fiber has heat shrinking property. The filament nonwoven fabric is produced in the method comprising directly collecting the filaments immediately after spinning, on a net and building-up and then entangling with a swinging type needling machine which swings in traveling direction and then subjecting to a mechanical dividing process and a hot-water shrinking process. The filament nonwoven fabric is preferably produced by continuously subjecting the filaments to the spinning, building-up, entangling, dividing, and shrinking process without temporarily winding the filaments, and the preferable fineness of the filaments after dividing is 0.5-0.001 dtex, and the preferable polymer comprising the filaments is polyester and polyamide.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 待解决的问题：提供一种表面均匀性优异的长丝非织造布的制造方法，在人造革中应用高品质的褶皱。 解决方案：在长丝非织造布的制造方法中，细丝在纺丝后立即可分割成至少两种纤维，至少一种纤维具有热收缩性。 长纤维无纺布的制造方法包括：在纺丝后立即直接收集细丝，在网状物上堆积，然后与在行进方向上摆动的摆动式针刺机进行缠结，然后进行机械分割处理和热 - 水收缩过程。 丝状无纺布优选通过在不暂时卷绕长丝的情况下连续地对长丝进行纺丝，堆积，缠结，分割收缩处理而制造，分割后的细丝的优选纤度为0.5〜0.001dtex， 包含长丝的优选聚合物是聚酯和聚酰胺。 版权所有（C）2007，JPO＆INPIT

    Water-absorbing nonwoven fabric
    7.
    发明专利
    Water-absorbing nonwoven fabric 有权
    吸水非织造布

    公开(公告)号：JP2006299424A

    公开(公告)日：2006-11-02

    申请号：JP2005117851

    申请日：2005-04-15

    Applicant: Asahi Kasei Fibers Corp ,  旭化成せんい株式会社

    Inventor： SHIMIZU TOSHIYUKI ,  UENO IKUO

    IPC: A61F13/15 ,  A61F13/49 ,  A61F13/53 ,  D04H1/407 ,  D04H1/4282 ,  D04H3/005 ,  D04H3/011 ,  D04H3/08 ,  D04H3/16

    Abstract: PROBLEM TO BE SOLVED: To provide a water-absorbing nonwoven fabric retaining excellent water absorption properties and moisture-absorbing and releasing properties and capable of controlling water absorption properties and strength by content of a water-absorbing resin.
    SOLUTION: The water-absorbing nonwoven fabric comprises a water-absorbing fiber containing 1-100% thermoplastic water-absorbing resin in which a polyalkylene glycol is copolymerized, and has ≥7% moisture absorption ratio under ≤80% relative humidity at 40°C and ≥15% water retention rate.
    COPYRIGHT: (C)2007,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种吸水性无纺布，其具有优异的吸水性和吸湿性，并且能够通过吸水性树脂的含量控制吸水性和强度。 吸水性无纺布包含含有1-100％热塑性吸水性树脂的吸水纤维，其中聚亚烷基二醇共聚，并且在≤80％相对湿度下具有≥7％的吸湿比 40°C和≥15％的保水率。 版权所有（C）2007，JPO＆INPIT

    Glass fiber sheet and composite material composition using the same
    8.
    发明专利
    Glass fiber sheet and composite material composition using the same 有权

    公开(公告)号：JP2004244751A

    公开(公告)日：2004-09-02

    申请号：JP2003035410

    申请日：2003-02-13

    Applicant: Sumitomo Bakelite Co Ltd ,  住友ベークライト株式会社

    Inventor： NAKAGAWA HIROSHIGE ,  TOMINAGA YASUSHI

    IPC: G02B5/20 ,  B29B15/08 ,  B29K309/08 ,  D03D15/12 ,  D04H3/004 ,  D04H3/04 ,  D04H3/08 ,  G02B1/00 ,  D04H3/00

    Abstract: PROBLEM TO BE SOLVED: To obtain a glass fiber sheet which is readily handleable and is not woven at the central part and a composite material which is obtained using the sheet, has a low coefficient of linear expansion and excellent surface smoothness applicable to a substrate for a display device.
    SOLUTION: The filament glass fiber sheet comprises a sheetlike warp layer in which glass fiber warps stood in the same direction are laid and arranged closely and adjacently and a sheetlike weft layer in which glass fiber wefts are laid and arranged closely and adjacently in the direction perpendicularly to the direction of fiber axis of the sheetlike warp layer. The sheetlike warp layer is laminated to the sheetlike weft layer. The filament glass fiber sheet is woven in a cross state only at both the end parts but not at the central part of the sheet.
    COPYRIGHT: (C)2004,JPO&NCIPI

    Reinforced nonwoven fabric excellent in shape-responding property
    9.
    发明专利
    Reinforced nonwoven fabric excellent in shape-responding property 有权

    公开(公告)号：JP2004100118A

    公开(公告)日：2004-04-02

    申请号：JP2002267144

    申请日：2002-09-12

    Applicant: Toyobo Co Ltd ,  東洋紡績株式会社

    Inventor： MATSUSHITA MASAKI

    IPC: E02B3/12 ,  D04H3/08

    Abstract: PROBLEM TO BE SOLVED: To provide a nonwoven fabric having deformation adaptability against unevenness, capable of dealing with an abnormal tension concentration without being broken and suitable as a geo-textile.
    SOLUTION: This nonwoven fabric excellent in shape adaptability is characterized by using a fibrous structure as a reinforcing material, having ≥20g/m
    2 mass per unit area of the reinforcing material, and exhibiting the reinforcing effect after stretched by ≥10% elongation. The reinforcing direction of the reinforcing material is preferably ≥25° and

    10.
    发明专利
    失效

    公开(公告)号：JP3161714B2

    公开(公告)日：2001-04-25

    申请号：JP50439489

    申请日：1989-04-14

    IPC: D06P5/00 ,  B29C59/02 ,  D04H1/44 ,  D04H1/46 ,  D04H3/08 ,  D06C23/00 ,  D06C27/00 ,  D06C29/00

    Abstract: An apparatus and related process for entangling a staple fibrous web which employs divergent fluid jets. The web is advanced through an entangling station on a conveying means which supports an entangling member having a symmetrical pattern of fluid pervious void areas. The divergent jet sprays which are disposed above the entangling member direct a continuous curtain of fluid onto the web, coacting with the entangling member to entangle web fibers into a coherent lattice structure. The divergent jet sprays are provided by nozzles having wide orifice diameters which accommodate less complex fluid recirculation and filtration systems than employed in the prior art columnar jet processes.

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