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    • 4. 发明申请
    • Adhesive system for absorbent structures
    • US20030124336A1
    • 2003-07-03
    • US10306549
    • 2002-11-26
    • James M. KeaneAndrew M. LakeSteven J. NielsenShelley R. Rasmussen
    • B32B005/14B32B003/26B32B007/12
    • A61F13/539A61F13/15699A61F2013/53908B32B5/26B32B5/32B32B7/14Y10T428/249953Y10T428/24996Y10T428/249982
    • An absorbent structure that includes: (1) a liquid permeable cover having a first surface area; (2) at least one layer of at least one liquid management material having a second surface area that is less than the first surface area; and (3) an adhesive system joining the liquid permeable cover and the liquid management material. The continuous layer of adhesive overlaying the permeable cover material desirably has a basis weight of 7.5 gsm or less. For example, layer of adhesive may have a basis weight of 4 gsm or 1.0 gsm or less .The absorbent structure may be mechanically post-treated. For example, the absorbent structure may be introduced into a nip and/or subjected to mechanical post treatments such as, for example, embossing, perforating, brushing, creping, aperturing and the like. A method of making an absorbent structure that may include the following steps: (1) providing a liquid permeable nonwoven cover composed of a matrix of fibrous material and having a plurality of individual exposed fiber surfaces; (2) applying a thin, substantially continuous layer of adhesive material coating to at least a portion of the individual exposed fiber surfaces of individual fiber surfaces; (3) providing at least one layer of at least one liquid management material; and (4) joining the liquid permeable cover and the liquid management material. A non-contact adhesive system for joining dissimilar material components in which an adhesive is applied at a rate of less than 7.5 gsm utilizing a non-contact applicator in several generally parallel, substantially or totally non-intersecting lines after the cover and discrete liquid management material (distribution layer) are joined and exit a post treatment step such as, for example, an aperturing module. The adhesive could also be applied in several wavy lines, sinusoidal lines, parallel lines and other similar non-intersecting adhesive configurations.
    • 5. 发明申请
    • Method for fabricating shaped monolithic ceramics and ceramic composites through displacive compensation of porosity, and ceramics and composites made thereby
    • 通过孔隙度的置换补偿制造成形的整体陶瓷和陶瓷复合材料的方法,以及由此制成的陶瓷和复合材料
    • US20030054156A1
    • 2003-03-20
    • US10158600
    • 2002-05-30
    • The Ohio State University Research Foundation
    • Kenneth H. SandhagePragati Kumar
    • B32B005/14C04B035/00
    • C22C1/1036C04B35/622Y10T428/249957
    • The present invention is a method for fabricating shaped monolithic ceramics and ceramic composites, and the ceramics and composites made thereby. The method of the present invention includes three basic steps: (1) Synthesis or other acquisition of a porous preform with an appropriate composition, pore fraction, and overall shape is prepared or obtained. The pore fraction of the preform is tailored so that the reaction-induced increase in solid volume can compensate partially or completely for such porosity. It will be understood that the porous preform need only be sufficiently dimensionally stable to resist the capillary action of the infiltrated liquid reactant; (2) Infiltration: The porous preform is infiltrated with a liquid reactant; and (3) Reaction: The liquid reactant is allowed to react partially or completely with the solid preform to produce a dense, shaped body containing desired ceramic phase(s). The reaction in step (3) above is a displacement reaction of the following general type between a liquid species, M(l), and a solid preform comprising the compound, NBXC(s): AM(l)nullNBXC(s)nullAMXC/A(s)nullBN(l/g) where MXC/A(s) is a solid reaction product (X is a metalloid element, such as, for example, oxygen, nitrogen, sulfur, etc.) and N(l/g) is a fluid (liquid or gas) reaction product. A, B and C are molar coefficients.
    • 本发明是一种制造成形的整体陶瓷和陶瓷复合材料的方法,以及由此制成的陶瓷和复合材料。 本发明的方法包括三个基本步骤:(1)制备或获得具有适当组成,孔隙分数和整体形状的多孔预型体的合成或其它方法。 定制预制件的孔隙分数,使得反应引起的固体体积增加可以部分地或完全地补偿这种孔隙率。 应当理解,多孔预成型件仅需要足够的尺寸稳定性以抵抗渗透的液体反应物的毛细管作用; (2)渗透:多孔预型体用液体反应物渗透; 和(3)反应:使液体反应物部分或完全与固体预成型体反应,以产生含有所需陶瓷相的致密的成型体。 上述步骤(3)中的反应是液体物质M(1)和包含该化合物NBXC的固体预制品之间的以下通用类型的置换反应:AM(1)+ NBXC(s)= AMXC / A(s)+ BN(1 / g)其中MXC / A(s)是固体反应产物(X是类金属元素,例如氧,氮,硫等)和N( l / g)是流体(液体或气体)反应产物。 A,B和C是摩尔系数。
    • 7. 发明申请
    • Medical packaging substrate
    • 医用包装基材
    • US20020168508A1
    • 2002-11-14
    • US09976411
    • 2001-10-12
    • Amy B. ReedKaren H. Bean
    • B32B005/14
    • D21H27/10D21H17/35D21H17/43D21H17/72Y10T428/249959
    • A polymer-impregnated paper-based web for use as a medical packaging bacteria barrier fabric is provided. The use of a particular type of polymer emulsion as the saturant provides the effective range of bacteria filtration while at the same time allowing the web to maintain its enhanced strength and delamination resistance that are required when such substrates are employed to wrap surgical trays, surgical instruments, medical appliances and the like prior to sterilization. The invention consists of a paper-containing medical packaging substrate that has been saturated with a polymer having a glass transition temperature of null20null C. or less.
    • 提供了用作医疗包装细菌屏障织物的聚合物浸渍的纸基纤维网。 使用特定类型的聚合物乳液作为饱和剂提供细菌过滤的有效范围,同时允许幅材保持其增强的强度和抗分层性,当这种基底用于包裹外科手术托盘时,手术器械 ,医疗器具等。 本发明由玻璃化转变温度为-20℃以下的聚合物饱和的含纸的医疗包装用基材构成。
    • 9. 发明申请
    • Spatially-controlled modified porous membrane
    • 空间控制改性多孔膜
    • US20040185242A1
    • 2004-09-23
    • US10394627
    • 2003-03-21
    • John Charkoudian
    • B32B005/14
    • B01D67/0088B01D67/0093B01D69/02B01D69/125B01D2323/30Y10T428/249955Y10T428/249958Y10T428/249978Y10T428/249991
    • This invention relates to a general method to surface modify porous membranes with a free radical polymerized polymer coating in a layer which is less than the thickness of the membrane. Another object of this invention relates to a general method to surface modify porous membranes with a free radical polymerized polymer coating to a predetermined and controlled depth from a first facial surface. Another object of this invention is to provide a general method to surface modify porous membranes with a free radical polymerized polymer coating into a pattern on one or both facial surfaces, the pattern maintaining its form to a controlled depth into the membrane. Membrane modification is spatially controlled through the use of a polymerization preventing agent (PPA), which prevents modification from occurring in defined spatially volumes of the membrane. The invention relates to porous membranes surface modified by the methods described.
    • 本发明涉及一种在低于膜厚度的层中用自由基聚合的聚合物涂层表面改性多孔膜的一般方法。 本发明的另一个目的涉及一种用自由基聚合的聚合物涂层将多孔膜表面修饰成从第一面部表面到预定和受控深度的一般方法。 本发明的另一个目的是提供一种通过自由基聚合的聚合物涂层将多孔膜表面修饰成一个或两个面部表面上的图案的一般方法,该图案将其形式保持在受控的深度进入膜。 通过使用聚合阻止剂(PPA)在空间上控制膜改性,其防止在限定的空间体积的膜中发生修饰。 本发明涉及通过所述方法表面改性的多孔膜。