Method and apparatus for producing a continuous web from a block of material
    1.
    发明授权
    Method and apparatus for producing a continuous web from a block of material 失效
    从一块材料制造连续幅材的方法和装置

    公开(公告)号:US06209430B1

    公开(公告)日:2001-04-03

    申请号:US09255126

    申请日:1999-02-22

    IPC分类号: B23B100

    摘要: The present invention provides a method and an apparatus for forming a continuous web from a block of material. The block material has a base and a central axis extending generally orthogonally from the base. The apparatus preferably comprises a bath including a fluid into which the block of material can be at least partially submersed. Further, the apparatus preferably includes means for rotating the block about the central axis, a cutting device and means for linearly decreasing the predetermined distance of the cutting blade from the central axis. The cutting device is preferably positioned so as to make a cut into the block at a predetermined distance from the central axis, the cut being generally parallel to the central axis of the block. The material cut form the block preferably forms a continuous web.

    摘要翻译: 本发明提供一种从一块材料形成连续幅材的方法和装置。 块状材料具有从基部大致正交延伸的基部和中心轴线。 该装置优选地包括包含流体的浴,该块材料可以至少部分浸没在该流体中。 此外,该装置优选地包括用于围绕中心轴线旋转块的装置,切割装置和用于使切割刀片与中心轴线预定距离线性减小的装置。 切割装置优选地定位成使得在距离中心轴线预定距离处的块中切割,该切口大致平行于块的中心轴线。 从块形成的材料优选形成连续的网。

    Recirculating a portion of high internal phase emulsions prepared in a
continuous process
    2.
    发明授权
    Recirculating a portion of high internal phase emulsions prepared in a continuous process 失效
    循环连续过程中制备的一部分高内相乳液

    公开(公告)号:US5827909A

    公开(公告)日:1998-10-27

    申请号:US716510

    申请日:1996-09-17

    摘要: An improvement in a continuous process for making high internal phase emulsions that are typically polymerized to provide microporous, open-celled polymeric foam materials capable of absorbing aqueous fluids, especially aqueous body fluids such as urine. The improvement involves recirculating a portion (about 50% or less) of the emulsion withdrawn from the dynamic mixing zone of this continuous process. This increases the uniformity of the emulsion ultimately obtained from this continuous process in terms of having the water droplets homogeneously dispersed in the oil phase. This also improves the stability of the HIPE and expands the temperature range for pouring and curing this HIPE during subsequent emulsion polymerization. The improvement also eliminates the need for a static mixer outside the dynamic mixing zone, and allows for processing where relatively low pressure drops are required across the mixing zone.

    摘要翻译: 用于制备高内相乳液的连续方法的改进,其通常被聚合以提供能够吸收含水流体,特别是尿液体液等微孔,开孔聚合物泡沫材料。 该改进涉及将从该连续过程的动态混合区抽出的乳液的一部分(约50%或更少)再循环。 这就增加了从这个连续过程中最终获得的乳液的均匀性,就是使水滴均匀地分散在油相中。 这也提高了HIPE的稳定性,并扩大了在随后的乳液聚合过程中倾倒和固化该HIPE的温度范围。 该改进也消除了在动态混合区之外的静态混合器的需要,并且允许在混合区域需要相对低的压降的处理。

    Extrusion process for thermoplastic resin composition for fabric fibers
with exceptional strength and good elasticity
    5.
    发明授权
    Extrusion process for thermoplastic resin composition for fabric fibers with exceptional strength and good elasticity 失效
    用于织物纤维热塑性树脂组合物的挤出方法,具有优异的强度和良好的弹性

    公开(公告)号:US4323534A

    公开(公告)日:1982-04-06

    申请号:US104260

    申请日:1979-12-17

    摘要: The object of this invention is to provide a composition of thermoplastic rubber which can be extruded into fibers and films with exceptional strength and good elasticity. Current formulations of some thermoplastic rubbers cannot be extruded into fibers or films with the accompanying strength and elasticity.Compositions of the current invention comprise 20 to 50% by weight of one of a group of fatty acids or fatty alcohols containing from about 12 to about 24 carbon atoms and 80 to 50% by weight of a member selected from the group consisting of A-B-A block copolymers, where B is poly(ethylenebutylene) and A is a thermoplastic polymer which is phase incompatible with B.This composition of matter results in a thermoplastic rubber composition that is easily extrudable into fibers or films. Extruded fibers of the current composition can be made into elastic fabrics, elastic bands for clothing or made into nonwoven structures for use in elastic bandages or wrapping. Films of the new composition can be used to make articles such as elastic disposable diaper backsheets or shower caps.

    摘要翻译: 本发明的目的是提供一种热塑性橡胶组合物,其可以挤出成纤维和薄膜,具有优异的强度和良好的弹性。 一些热塑性橡胶的当前配方不能被挤出成具有伴随的强度和弹性的纤维或薄膜。 本发明的组合物包含20至50重量%的含有约12至约24个碳原子的脂肪酸或脂肪醇之一和80至50重量%的选自ABA嵌段 共聚物,其中B是聚(乙烯丁烯),A是与B相不相容的热塑性聚合物。该物质组合物导致易于挤出成纤维或薄膜的热塑性橡胶组合物。 当前组合物的挤出纤维可以制成弹性织物,用于衣服的弹性带或制成用于弹性绷带或包裹的非织造结构。 新组合物的膜可用于制造诸如弹性一次性尿布底片或淋浴帽的制品。

    Absorbent articles providing sustained dynamic fit
    7.
    发明授权
    Absorbent articles providing sustained dynamic fit 失效
    提供持续动态配合的吸收制品

    公开(公告)号:US5634916A

    公开(公告)日:1997-06-03

    申请号:US466310

    申请日:1995-06-06

    摘要: Absorbent articles such as diapers, incontinent briefs, training pants, diaper holders and liners, feminine hygiene garments, and the like, designed to provide sustained dynamic fit about the wearer during use as well as to improve the containment of body exudates and wearer comfort/mobility. Such an absorbent article has an absorbent core preferably designed to fit within the low motion zone of the wearer so that dynamic forces imparted by movements of the wearer on the absorbent core are minimized. The absorbent article is also provided with a closure system for anchoring the absorbent article on the wearer to sustain the dynamic fit of the absorbent article throughout wearing. The closure system is designed so that a primary line of tension, fitting at an angle to the body, is formed to secure the absorbent article on a wearer. The absorbent article preferably further comprises elastic features for fitting about the extremities of the wearer, including elastic waist features, elastic leg features, and elastic side panels, that allow freedom of movement for the wearer as well as maintenance of forces about the body to sustain the fit of the absorbent article. Preferred containment assembly (chassis) designs are also provided.

    摘要翻译: 吸收制品如尿布,失禁内裤,训练裤,尿布保持器和内衬,女性卫生服装等,设计用于在使用期间提供穿着者的持续动态配合以及改善身体渗出物的容纳和佩戴者舒适度/ 流动性 这种吸收性物品具有优选地设计成适合佩戴者的低运动区域内的吸收芯,使得穿着者在吸收芯上的运动所施加的动力最小化。 吸收制品还设置有用于将吸收制品固定在穿戴者身上的封闭系统,以在穿着时维持吸收制品的动态配合。 闭合系统被设计成使得形成与身体成一定角度的主要张力线,以将吸收制品固定在佩戴者身上。 吸收制品优选地还包括用于装配穿戴者的四肢的弹性特征,包括弹性腰部特征,弹性腿部特征和弹性侧片,其允许穿着者的自由运动以及维持围绕身体的力维持 吸收制品的配合。 还提供了优选的安全壳组件(底盘)设计。

    Use of foam materials derived from high internal phase emulsions for
insulation
    8.
    发明授权
    Use of foam materials derived from high internal phase emulsions for insulation 失效
    使用衍生自高内相乳液的泡沫材料进行绝缘

    公开(公告)号:US5633291A

    公开(公告)日:1997-05-27

    申请号:US472447

    申请日:1995-06-07

    摘要: The invention relates to the use of polymeric foam materials for insulation. These polymeric foams are prepared by polymerization of certain water-in-oil emulsions having a relatively high ratio of water phase to oil phase, commonly known in the art as high internal phase emulstions, or "HIPEs." The HIPE-derived foam materials used in the present invention comprise a generally hydrophobic, flexible, semi-flexible, or rigid nonionic polymeric foam structure of interconnected open-cells. These foam structures have:A) a specific surface area per foam volume of at least about 0.01 m.sup.2 /cc;B) a density of less than about 0.05 g/cc; andC) a glass transition temperature (Tg) of between about -20.degree. and 90.degree. C.The foams can be used as thermal, acoustic, and/or mechanical insulation materials.In a preferred embodiment, the foams used can be prepared, packaged, and shipped in a compressed, high density state and will "spring back" upon activation (e.g. heat) to the original density of the foam.

    摘要翻译: 本发明涉及聚合物泡沫材料用于绝缘的用途。 这些聚合物泡沫通过聚合具有相对较高的水相与油相之比的油包水乳液来制备,本领域通常称为高内相乳液或“HIPE”。 用于本发明的HIPE衍生的泡沫材料包括互连的开孔的一般疏水性,柔性的,半柔性的或刚性的非离子聚合物泡沫结构。 这些泡沫结构具有:A)每泡沫体积的比表面积至少约0.01m 2 / cc; B)密度小于约0.05g / cc; 和C)玻璃化转变温度(Tg)在约-20°至90℃之间。泡沫可用作热,声和/或机械绝缘材料。 在优选的实施方案中,所使用的泡沫可以被制备,包装并以压缩的高密度状态运输,并且在激活(例如加热)时将“弹回”到泡沫的原始密度。