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29 条记录 (耗时 0.033 秒)

    Coextruded multi-layer thermoplastic sheet material having one layer with high modulus for repositioning tape-tab fasteners thereon, absorbant articles and methods
    1.
    发明授权
    Coextruded multi-layer thermoplastic sheet material having one layer with high modulus for repositioning tape-tab fasteners thereon, absorbant articles and methods 失效
    共挤出多层热塑性片材，具有高模量的层，用于在其上重新定位带状接头紧固件，吸收性物品和方法

    公开(公告)号：US5147346A

    公开(公告)日：1992-09-15

    申请号：US393646

    申请日：1989-08-14

    申请人： Leopoldo V. Cancio ,  James R. Snyder ,  Pai-Chuan Wu

    发明人： Leopoldo V. Cancio ,  James R. Snyder ,  Pai-Chuan Wu

    IPC分类号： A61F13/58 ,  B32B27/08

    CPC分类号： A61F13/58 ,  B32B27/08

    摘要： Novel thermoplastic sheet materials, absorbant articles formed therewith and method of producing such sheet materials are disclosed. The novel thermoplastic sheet materials are soft and pliable having a high modulus, high impact resistance and tear strengths and enhanced tape adhesion. The novel thermoplastic sheet materials are formed directly during a coextrusion process which may thereafter include an embossing step. The novel, coextruded thermoplastic sheet materials comprise a plurality of coextruded layers having high modulus outer layers for permitting pressure-sensitive adhesive tape-tab fasteners to be positioned and repositioned thereon without losing substantial tape adhesion therebetween or tearing the sheet materials following their original attachments. The outer layers are formed with a first thermoplastic polymer, such as a polypropylene, having an effective modulus to resist tearing, yielding and deformation upon detaching tape-tab fasteners therefrom, and further having an effective bonding affinity to maintain tape adhesion after initial attachment. The other layer of the thermoplastic sheet materials is an inner layer(s) being formed with a second thermoplastic polymer, such as a polyethylene, to impart softness or low stiffness and effective impact resistance and tear strengths to the sheet materials. The novel thermoplastic sheet materials of the instant invention are suitable for use with articles which, for example, absorb body fluids, and are especially suitable for use as backsheet films in disposable diapers.

    摘要翻译： 公开了新型热塑性片材，与其形成的吸收性物品及其制造方法。 新型热塑性片材材料柔软且柔韧，具有高模量，高抗冲击性和撕裂强度，并增强胶带粘附力。 新型热塑性片材材料在共挤出工艺期间直接形成，其后可包括压花步骤。 新型共挤出的热塑性片材材料包括多个具有高模量外层的共挤出层，用于允许将压敏粘合带状突片紧固件定位并重新定位在其上，而不会在其之间丧失实质的带粘合力或者撕裂其原始附件之后的片材。 外层由第一热塑性聚合物（例如聚丙烯）形成，其具有有效模量，以抵抗撕裂，产生和变形，从而剥离带状突片紧固件，并且还具有有效的粘合亲合力以在初始附着后维持带粘合。 热塑性片材的另一层是形成有第二热塑性聚合物如聚乙烯的内层，以赋予片材柔软度或低刚度以及有效的耐冲击性和撕裂强度。 本发明的新型热塑性片材材料适用于例如吸收体液的物品，特别适用于一次性尿布中的底片膜。

    Disposable diapers, absorbent articles and thermoplastic sheet material having improving tape adhesion
    6.
    发明授权
    Disposable diapers, absorbent articles and thermoplastic sheet material having improving tape adhesion 失效
    一次性尿布，吸收性物品和具有改善胶带附着力的热塑性片材

    公开(公告)号：US5084039A

    公开(公告)日：1992-01-28

    申请号：US363296

    申请日：1989-06-07

    申请人： Leopoldo V. Cancio ,  Thomas R. Ryle ,  Robert J. Tomany ,  Pai-Chuan Wu

    发明人： Leopoldo V. Cancio ,  Thomas R. Ryle ,  Robert J. Tomany ,  Pai-Chuan Wu

    IPC分类号： A61F13/15 ,  A61F13/56 ,  C08L23/04

    CPC分类号： A61F13/51496 ,  A61F13/51401 ,  A61F13/5633 ,  C08L23/04 ,  C08L23/06 ,  C08L23/10

    摘要： Novel thermoplastic sheet materials for permitting positionable and repeated repositionable use of tape fasteners therewith without experiencing substnatial loss of tape adhesion therebetween are disclosed. A novel thermoplastic sheet material generally comprises an ethylene polymer and an anti-popoff polymer in an effective amount for increasing and substantially maintaining the tape adhesion. The increase in and substantial maintenance of the tape adhesion is accomplished without adversely affecting the properties or cost of the thermoplastic sheet material. A preferred formulation for producing the novel thermoplastic sheet material comprises polyethylene as the ethylene polymer and a polypropylene or alpha-methyl styrene as the anti-popoff polymer. The novel thermoplastic sheet materials are especially suitable for use as films which can be used as backsheets in absorbent articles, such as, disposable diapers, bandages, surgical dressings or drapes and catamenial pads.

    摘要翻译： 公开了用于允许可定位和重复重新定位使用带扣紧件的新型热塑性片材，而不会在其之间经历不均匀的胶带粘合损失。 一种新型的热塑性片材通常包含有效量的乙烯聚合物和抗褪色聚合物，用于增加和显着地保持胶带粘附。 胶带附着力的增加和实质维护是完成的，而不会不利地影响热塑性片材的性能或成本。 用于生产新型热塑性片材的优选制剂包括聚乙烯作为乙烯聚合物，聚丙烯或α-甲基苯乙烯作为防弹性聚合物。 新型热塑性片材特别适合用作可用作吸收制品（如一次性尿布，绷带，手术敷料或窗帘）和月经垫中的背板的膜。