Class / Patent application number | Description | Number of patent applications / Date published |
442328000 | Nonwoven fabric has an elastic quality | 53 |
20080248710 | Two-Dimensional Web Material, Method and Apparatus for Manufacturing the Same as Well as Use Thereof - The invention relates to a two-dimensional web material made of a layer material and also a method and an apparatus for manufacturing the same, wherein the two-dimensional web material contains a non-woven material and has a Poisson's ratio of <0.2 during expansion in the machine direction. | 10-09-2008 |
20090053959 | Soft and Elastic Nonwoven Polypropylene Compositions - This invention relates to a nonwoven fabric having a first component of from 5% to 99% by weight based on the total weight of the composition wherein the first component is selected from the group consisting of homopolymers of propylene and random copolymers of propylene, the first component having a heat of fusion as determined by DSC of less than 50 J/g and stereoregular propylene crystallinity; and a second component having from 95% to 1% by weight based on the total weight of the composition of a propylene polymer or blends of propylene polymers; wherein the nonwoven fabric has a permanent set of less than 60%. | 02-26-2009 |
20090124153 | Fibers and Non-Wovens Prepared with Propylene-Based Elastomers - A non-woven fabric made from a composition prepared by combining a first propylene-based polymer blend, where the first polymer blend is prepared by combining a propylene-based elastomer with a propylene-based thermoplastic resin and where the first blend has an MFR (ASTM D-1238 2.16 kg @ (230° C.) equal to or less than 50 dg/min, with a second propylene-based polymer blend, where the second polymer blend is prepared by combining a propylene-based elastomer with a propylene-based thermoplastic resin and where said second blend has an MFR (ASTM D-1238 2.16 kg @ 230° C.) greater than 50 dg/min, where the propylene-based elastomers comprise from about 5% to 35% by weight units derived from ethylene or non-propylene alpha-olefin and have a heat of fusion, as determined by DSC, of less than 80 J/g, and where the propylene-based thermoplastic resins have a heat of fusion, as determined by DSC, equal to or greater than 80 J/g. | 05-14-2009 |
20090325447 | Elastic Composite Formed from Multiple Laminate Structures - An elastic composite formed from a laminate that contains an elastic film and a lightweight nonwoven facing having a low strength in the cross-machine direction (“CD”) is provided. Due to the low strength of the facing, it is desirable that the elastic film have a sufficient thickness and weight to enhance the strength of the resulting composite. Unfortunately, the ability to join an elastic film to such a lightweight nonwoven facing becomes increasingly difficult as the thickness of the film increases. In this regard, the present inventors have discovered that a second laminate may be employed in the elastic composite that is formed from a thermoplastic film and nonwoven facing to impart increased strength to the composite. The film and facing of the second laminate may be formed from the same or different materials than the film and facing of the first laminate. Regardless, the laminates are positioned so that the elastic and thermoplastic films are in a face-to-face relationship. Through selective control over the polymer content and thickness, the present inventors have discovered that the elastic and thermoplastic films may be readily joined together under light pressure, even at ambient temperature conditions. This avoids the application of a substantial amount of heat used in conventional calender bonding processes, which can otherwise damage the film, and also minimize the need for costly adhesives. | 12-31-2009 |
20100041293 | Method of Making Laminate Structures for Mechanical Activation - A method for producing a stretch laminate includes forming an intermediate stretch laminate. Forming the intermediate stretch laminate includes providing a first substrate and attaching an elastic film to a surface of the first substrate via an adhesive. The first substrate and the elastic film are in a face to face orientation. The intermediate stretch laminate has a residual energy of greater than or equal to 50% at a predetermined applied strain. The method of forming the stretch laminate further includes mechanically activating the intermediate stretch laminate at a strain rate of at least 100 s | 02-18-2010 |
20100081352 | Polyolefin-Based Elastic Meltblown Fabrics - Disclosed herein is a process for forming a multilayer construction, and the multilayer constructions including at least one layer of an elastic meltblown fabric, the process comprising extruding one or more polyolefin polymer (e.g., a propylene-α-olefin copolymer) having a MFR from less than 90 dg/min through at least one die having a plurality of nozzles to form a plurality of continuous fibers, at least one die operating at a melt pressure from greater than 500 psi (3.45 MPa) to form at least one elastic meltblown fabric, and adhering the at least one elastic meltblown fabric to at least one extensible fabric. | 04-01-2010 |
20100190405 | ELASTIC NONWOVEN FABRIC, PROCESS FOR PRODUCING THE SAME, AND TEXTILE PRODUCT COMPRISING THE ELASTIC NONWOVEN FABRIC - (1) An elastic nonwoven fabric and a fiber product using the elastic nonwoven fabric, the elastic nonwoven fabric containing a crystalline resin composition containing low crystalline polypropylene and high crystalline polypropylene, the low crystalline polypropylene satisfying items (a) and (b) below, and a crystallization temperature (Tc) of the crystalline resin composition measured with a differential scanning calorimeter (DSC) being from 20 to 100° C.: | 07-29-2010 |
20110059666 | METHOD FOR FORMING SHEETS WITH ELASTICIZED REGIONS AND SHEETS MADE BY THIS METHOD - In a method for forming a thermoplastic polymer sheet, a plurality of the forming blades are configured so as to have projected cross-sectional shapes on the sheet defined by similar curved lines and/or similar flexural lines arranged around a center of similitude and extending in the thickness direction of the sheet from the stationery mold and the movable mold so as to be engaged one with another but not to come in contact one with another. The method includes a step of introducing the sheet between the stationery mold and the movable mold and a step of bring the forming blades of the stationery mold and the movable mold into engagement with one another to stretch the sheet between distal ends of each pair of the adjacent forming blades. | 03-10-2011 |
20110183567 | High strength Non-Woven Elastic Fabrics - Elastic non-woven fabrics are disclosed which are made in a melt blown process or a spunbond process. The fabric is made from a thermoplastic polyurethane polymer mixed with a crosslinking agent to give high strength elastic non-woven fabric. The crosslinking agent is added to the polymer melt prior to the melt passing through the die which forms the individual fibers. Further processing the non-woven is also disclosed. | 07-28-2011 |
20120208420 | Tear Resistant Laminate - A multilayer laminate material that resists the growth of a hole, tear, or aperture, and includes an extensible nonwoven layer joined to an elastomeric film layer in a face-to-face relationship. The elastomeric film layer includes an SEEPS elastomeric block copolymer that has a T | 08-16-2012 |
20120225600 | Articles and Methods Using Shape-Memory Polymers - Articles comprise: a nonwoven fiber web and one or more strips bonded to the nonwoven fiber web. The strips comprise a shape-memory polymer that has a strained temporary shape and an intrinsic shape. If heated at or above a transition temperature, the strip at least partially converts from the strained temporary shape to the intrinsic shape, thereby causing at least one of folding, cupping, or puckering of the non-woven fiber web. Methods of heating the articles to provide folded, cupped, and/or puckered articles are also disclosed. | 09-06-2012 |
20120329351 | Elastic Nonwoven Materials Comprising Propylene-Based and Ethylene-Based Polymers - The present invention relates to elastic nonwoven materials comprising an elastic layer formed from a polymer blend comprising a propylene-based polymer and a minor amount of an ethylene-based polymer. The propylene-based polymer may comprise from about 75 to about 95 wt % propylene and from about 5 to about 25 wt % ethylene and/or a C | 12-27-2012 |
20130029554 | METHOD FOR IMPARTING ELASTICITY TO A NON-WOVEN MATERIAL / ELASTOMER LAMINATE - Method for imparting elasticity to a laminate comprising at least one elastic film having a width and at least one ply of non-woven material secured to the film, particularly through interposition of a bonding material, particularly glue, which comprises the following steps in which:
| 01-31-2013 |
20130143461 | Polymer Compositions and Nonwoven Compositions Prepared Therefrom - Propylene-based polymer compositions are provided comprising propylene and from about 5 wt % to about 20 wt % of one or more C | 06-06-2013 |
20130189891 | PVC-FREE FLOORING AND METHOD OF MANUFACTURE - A polyvinyl chloride free flooring, including: an upper decorative nonwoven fabric layer bonded without the use of adhesive to an intermediate extruded polymeric layer, and a extruded lower base layer bonded without the use of adhesive to the intermediate polymeric layer to provide a composite flooring that is free of polyvinyl chloride. | 07-25-2013 |
20140127960 | MELT-BLOWN FIBER WEB WITH IMPROVED CONCENTRATION FORCE AND ELASTICITY AND METHOD AND APPARATUS FOR MANUFACTURING THE SAME - Disclosed is a melt-blown fiber web with improved concentration force and elasticity, whereby a melt-blown fabric is cut and sealed at predetermined intervals using knives having arbitrary patterns so that concentration force and elasticity of the melt-blown fiber web can be improved without degrading the inherent function of the fiber web. Further disclosed are a method and apparatus for manufacturing the melt-blown fiber web. The melt-blown fiber web includes thermoplastic filaments, wherein cutting portions and sealing portions are arranged on top and bottom surfaces of the fiber web at predetermined intervals along a thickness of the fiber web so that a concentration force and elasticity of the fiber web are improved. | 05-08-2014 |
20150024649 | Polypropylene impact copolymer based hot melt adhesive - A hot melt adhesive using polypropylene impact copolymers that is particularly well suited for elastic attachment and stretch films in diaper structures. The hot melt adhesive composition is a blend of about 2.5% to about 30%, by weight, of a polypropylene impact copolymer; about 2.5% to about 30%, by weight, of an olefin based elastomer; about 10% to about 70%, by weight, of a tackifying resin having a softening point of at least about 80° C. and up to about 140° C.; about 0% to about 60%, by weight, of a plasticizer; and about 0.1% to about 5% of a stabilizer or antioxidant. | 01-22-2015 |
20150087196 | ELASTIC NETWORK STRUCTURE WITH EXCELLENT QUIETNESS AND HARDNESS - [Problem] The objective of the present invention is to provide an elastic mesh structure having exceptional cushioning and reducing noise during compression or recovery. | 03-26-2015 |
20150352819 | LAMINATE COMPRISING POLYOLEFIN ELASTIC FILM LAYER - Disclosed is a laminate comprising at least one polyolefin elastic film layer and at least one substrate layer;
| 12-10-2015 |
20160159031 | STRETCHABLE LAMINATE AND ARTICLE CONTAINING SAME - Provided is a stretchable laminate having excellent fittability. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention is a stretchable laminate, including: an elastomer layer; and a non-woven fabric layer arranged on at least one side of the elastomer layer, the stretchable laminate having a permanent set of 10% or less after a hysteresis test is performed four times. The article of the present invention includes the stretchable laminate of the present invention. | 06-09-2016 |
20160177142 | Adhesive Compositions Made from Propylene-Based Polymers for Elastic Attachments | 06-23-2016 |
442329000 | Nonwoven fabric comprises an elastic strand or fiber material | 32 |
20080233824 | Fully elastic nonwoven-film composite - This invention concerns an elastic multilayer composite, comprising an elastic film layer sandwiched between a first elastic nonwoven layer and an optional second elastic nonwoven layer, and a process for making the same. The laminate is stabilized via bonding according to either: adhesive bonding between the film and nonwoven layer(s), direct extrusion lamination of the film to one or more nonwoven layer(s), or attachment of the film to one or more of the nonwoven layers at a plurality of points via thermopoint bonding. This invention also concerns a process for manufacturing an elastic multilayer composite, comprising: bonding under neutral tension or substantially neutral tension at least one elastic film layer to at least one elastic nonwoven layer. This invention also concerns a process for manufacturing an elastic multilayer composite, comprising: bonding under differential tension or stretch at least one elastic film layer to at least one elastic nonwoven layer, where either the film or the nonwoven or both are stretched Further the invention relates to a process whereby the elastic nonwoven(s), the film, the composite or any combination is activated, especially stretch activated, to create or enhance elasticity or the touch of the nonwoven, to create pores in the elastic film, or to soften the composite. | 09-25-2008 |
20080299857 | OLEFIN BLOCK COMPOSITIONS FOR HEAVY WEIGHT STRETCH FABRICS - Heavy weight stretch fabrics comprising ethylene/α-olefin interpolymer are described. The fabric often has a weight of at least 10 ounces per square yard measured according to ASTM 3776 and has a stretch of at least 10 percent measured according to ASTM D3107. These fabrics exhibit excellent chemical, resistance (for example chlorine or caustic resistance) and durability, that is they retain their shape and feel over repeated exposure to processing conditions, such as stone-washing, dye-stripping, PET-dyeing and the like, and industrial laundry conditions. | 12-04-2008 |
20080311814 | Activated bicomponent fibers and nonwoven webs - Methods of activating bicomponent elastic fiber nonwovens webs and laminates, and the resultant activated bicomponent elastic fiber nonwoven webs and laminates are disclosed, wherein the bicomponent elastic fiber nonwoven webs include a first material and a second material, wherein the first material has a lower yield point than the second material. | 12-18-2008 |
20090047855 | STRETCHABLE ELASTIC NONWOVEN LAMINATES - There is provided an elastic nonwoven laminate. The elastic layer is laminated along at least one face to an extensible nonwoven web via strand spacer elements that extend in a first direction of the nonwoven web providing for a strengthening effect in the first direction. The elastic layer is attached to the extensible nonwoven web without any significant bonding of the extensible nonwoven web to the elastic layer between the spacer elements wherein the elastic nonwoven laminate is easily extensible in a second direction without activation. | 02-19-2009 |
20090068912 | ELASTIC SPUNBONDED NONWOVEN AND ELASTIC NONWOVEN FABRIC COMPRISING THE SAME - The elastic spunbonded nonwoven has high elastic recovery properties and includes a plurality of multicomponent filaments. Each multicomponent filament, preferably of the sheath/core type, includes a first polymeric component extending along the length of the filament in at least a first section of the filament, and a second polymeric component extending along the length of the filament in at least a second section of the filament that is distinct from the first section. The first polymeric component comprises an elastic propylene-based olefin copolymer, and the second polymeric component comprises an elastic propylene-based olefin and has a melt flow rate that is higher than the melt flow rate of the first polymeric component. The elastic propylene-based olefin copolymer for the first polymeric component and for the second polymeric component includes propylene and from 10 to 25 weight % of one or more C2 and/or C4 to C10 alpha-olefin co-monomers. | 03-12-2009 |
20090075545 | Chemically-Assisted Alignment of Nanotubes Within Extensible Structures - A method and system for aligning nanotubes within an extensible structure such as a yarn or non-woven sheet. The method includes providing an extensible structure having non-aligned nanotubes, adding a chemical mixture to the extensible structure so as to wet the extensible structure, and stretching the extensible structure so as to substantially align the nanotubes within the extensible structure. The system can include opposing rollers around which an extensible structure may be wrapped, mechanisms to rotate the rollers independently or away from one another as they rotate to stretch the extensible structure, and a reservoir from which a chemical mixture may be dispensed to wet the extensible structure to help in the stretching process. | 03-19-2009 |
20090098787 | CROSSLINKED ELASTIC MATERIAL FORMED FROM A BRANCHED BLOCK COPOLYMER - An elastic material for use in an absorbent article is provided. The elastic material contains a crosslinked network formed from a branched block copolymer having a monoalkenyl aromatic midblock positioned between conjugated diene endblocks (e.g., butadiene-styrene-butadiene (“B-S-B”) triblock copolymer). Prior to crosslinking, the branched block copolymers have a relatively low viscosity and thus may be readily formed into a precursor elastic material (e.g., film, strands, web, etc.) that is subsequently crosslinked to achieve the desired elastic and mechanical properties. Crosslinking is typically achieved through the formation of free radicals (unpaired electrons) that link together to form a plurality of carbon-carbon covalent bonds at the conjugated diene endblocks. | 04-16-2009 |
20090124154 | Fibers and Non-Wovens Prepared with Propylene-Based Elastomers - Nonwoven fabrics and methods for making the same are described, wherein the fabrics comprise two or more propylene-based elastomers in combination with one or more propylene-based thermoplastic polymers. Specifically, the first propylene-based elastomer comprises at least 7% by weight ethylene or non-propylene alpha-olefin units, the second propylene-based elastomer comprises less than 7% by weight ethylene or non-propylene alpha-olefin units, the first and second propylene-based elastomers each have a heat of fusion less than 80 J/g, and the propylene-based thermoplastic polymer has a heat of fusion greater than 80 J/g. | 05-14-2009 |
20090264038 | ELASTIC SPUNBONDED NONWOVEN AND COMPOSITE NONWOVEN COMPRISING THE SAME - The spunbonded nonwoven (W) has high elastic recovery properties and comprises a plurality of multi-component filaments. Each filament, preferably of the sheath/core type, comprises at least a first polymeric component and a second polymeric component. The first polymeric component comprises thermoplastic polyurethane, and the second polymeric component comprises an elastic propylene-based olefin copolymer, and more particularly an ethylene propylene copolymer, preferably comprising at least 80 wt % of propylene units. Said spunbonded nonwoven (W) can be easily thermal-bonded with polyolefin-based nonwoven layer(s), especially polypropylene-based layer(s), in order to make a composite nonwoven, particularly suitable for the hygienic industry (diapers, . . . ). | 10-22-2009 |
20090286444 | Latent Elastic Composite Formed from a Multi-Layered Film - A nonwoven composite that exhibits latent elastic properties is provided. The composite is formed from a multi-layered, elastic film laminated to a nonwoven web facing. Latent elasticity is imparted to the composite through the use of at least one base layer that contains a thermoplastic elastomer and at least one skin layer that contains a propylene/α-olefin copolymer. During formation, the film is stretched in one or more directions to orient the elastomer chains. Without intending to be limited by theory, the present inventors believe that the oriented state of the chains may be held in place by the relatively stiff semi-crystalline domains of the propylene/α-olefin copolymer. The stretched elastic film may subsequently be relaxed and bonded to a nonwoven web facing to form the composite. The composite may be later activated (e.g., heated at or above the softening point of the copolymer) to soften the crystalline domains and allow the chains to return to their unoriented state. This causes the film to retract, which forms buckles in the nonwoven facing. In this manner, the resulting composite becomes elastic in that it has the ability to stretch and recover due to the “latent” buckle formation in the nonwoven facing. | 11-19-2009 |
20090325448 | Elastic Composite Containing a Low Strength and Lightweight Nonwoven Facing - An elastic composite formed from a lightweight nonwoven facing that has a low degree of strength in the cross-machine direction (“CD”) is provided. Through selective control over certain parameters of the materials employed in the composite and the formation process, the present inventors have discovered that such low strength and lightweight facings may be readily laminated to an elastic film without significantly damaging their integrity. For example, in one embodiment, the elastic film may possess a multi-layered construction that includes an elastomeric elastic layer positioned adjacent to a strength-enhancing thermoplastic layer. The polymer content and thickness of the thermoplastic layer are generally selected to impart additional strength and integrity to the film. Likewise, the polymer content of the elastic layer may also be selected so that the film possesses a sufficient tack for adhering to the facing. In certain cases, it may be desirable to position the layer between two elastic layers so that the strength-enhancing layer does not substantially contact the nonwoven facing. In this manner, the strength-enhancing layer may avoid substantial damage during the lamination process. | 12-31-2009 |
20100022151 | METHOD FOR MANUFACTURING AN ELASTIC NON-WOVEN COMPOSITE MATERIAL - The disclosure relates to a method for producing a web of an elastic non-woven composite material including the following steps: Feeding and delivering a first non-woven layer in a longitudinal direction; feeding and delivering a plurality of elastic filaments; connecting the plurality of elastic filaments to a first side of the non-woven layer to form a composite material; at least in some regions overstretching of the first non-woven layer in the longitudinal direction by feeding the composite material through the gap of a pair of profiled, intermeshing stretching rollers, by which the composite material is stretched in the longitudinal direction, wherein the elastic filaments are arranged in the non-woven composite material such that they are substantially oriented in the longitudinal direction, so that they have at most about 10 intersecting points with each other per cm | 01-28-2010 |
20100029161 | MICRODENIER FIBERS AND FABRICS INCORPORATING ELASTOMERS OR PARTICULATE ADDITIVES - Multicomponent fiber and fabrics made therefrom are provided, wherein the multicomponent fibers may incorporate one or more elastomers or additive-containing polymers in a bicomponent core. The fiber includes a multilobal sheath fiber component surrounding the bicomponent core, wherein the components are sized such that the fiber can be fibrillated to expose the core fiber components and split the fiber into multiple microdenier fibers. | 02-04-2010 |
20100093244 | MIXED-FIBER NONWOVEN FABRIC LAMINATE - An object of the present invention is to develop a mixed-fiber nonwoven fabric laminate being excellent in strechability, flexibility, touch feeling, and formability and being less sticky. | 04-15-2010 |
20100105273 | NON-WOVEN FABRIC LAMINATE - An object of the present invention is to develop a non-woven fabric laminate that is excellent in stretchability, flexibility, and bulkiness, and that is less sticky and is suitable for a mechanical fastening female material. | 04-29-2010 |
20110003524 | FIBERS AND FABRICS MADE FROM ETHYLENE/alpha-OLEFIN INTERPOLYMERS - A bicomponent fiber is obtainable from or comprises an ethylene/α-olefin interpolymer characterized by an elastic recovery, Re, in percent at 300 percent strain and 1 cycle and a density, d, in grams/cubic centimeter, wherein the elastic recovery and the density satisfy the following relationship: Re>1481−1629(d). Such interpolymer can also be characterized by other properties. The fibers made therefrom have a relatively high elastic recovery and a relatively low coefficient of friction. The fibers can be cross-linked, if desired. Woven or non-woven fabrics, such as spunbond, melt blown and spun-laced fabrics or webs can be made from such fibers. | 01-06-2011 |
20110021103 | Hot Melt Adhesive Based on Olefin Block Copolymers - A hot melt adhesive composition, comprising a blend of components including about 5% to about 50% by weight of an olefin block copolymer; about 10% to about 70% by weight of a first tackifying resin having a softening point of at least about 95° C.; about 0 to 65% of a second tackifying resin that is different than the first tackifying resin; about 0% to about 60% by weight of a plasticizer; about 0% to about 20% by weight of an aromatic reinforcing resin having a softening point equal to or higher than 115° C.; about 0.1% to about 5% by weight of a stabilizer; and about 1% to about 40% by weight of a secondary polymer that is different from the olefin block copolymer, the first and second tackifying resins and the reinforcing resin, having relatively low crystallinity, which low crystallinity is equal to or less than 250 Joules/gram, wherein the components total 100% by weight of the composition, and the viscosity of the composition is equal to or less than about 20,000 mPa·s at 163° C. Laminates, especially those used in disposable soft goods, and methods of making such laminates using the hot melt adhesive composition are also described. The adhesive composition and/or laminate may be used in making a variety of end products such as a disposable diaper, a sanitary napkin, a bed pad, a bandage, a surgical drape, a tape, a label, a plastic sheet, a nonwoven sheet, a paper sheet, a cardboard, a book, a filter, or a package. | 01-27-2011 |
20110143623 | STRETCHED ELASTIC NONWOVENS - A method for producing an elastic nonwoven fabric, comprising: stretching a nonwoven web in the cross machine direction, machine direction, or both directions to reduce the basis weight and/or denier of the nonwoven web to form the elastic nonwoven fabric, wherein the nonwoven web comprises a plurality of multicomponent strands having first and second polymer components longitudinally coextensive along the length of the strands, said first component comprising an elastomeric polymer, and said second polymer component comprising a polymer less elastic than the first polymer component. | 06-16-2011 |
20110256791 | ELASTIC NONWOVEN FIBROUS WEBS AND METHODS OF MAKING AND USING - Nonwoven fibrous webs include elastic filaments such that the web as a whole exhibits elastic properties when stretched. The webs include a multiplicity of nonwoven fibers and at least one elastic filament entangled with at least a portion of the nonwoven fibers to form a self-supporting, cohesive, elastic nonwoven fibrous web. Methods of making such elastic nonwoven fibrous webs using hydro-entanglement, and uses of such webs to form articles are also described. | 10-20-2011 |
20120225601 | Polyolefin-Based Elastic Meltblown Fabrics - Disclosed herein is a process for forming a multilayer construction, and the multilayer constructions including at least one layer of an elastic meltblown fabric, the process comprising extruding one or more polyolefin polymer (e.g., a propylene-α-olefin copolymer) having a MFR from less than 90 dg/min through at least one die having a plurality of nozzles to form a plurality of continuous fibers, at least one die operating at a melt pressure from greater than 500 psi (3.45 MPa) to form at least one elastic meltblown fabric, and adhering the at least one elastic meltblown fabric to at least one extensible fabric. | 09-06-2012 |
20120231690 | MULTICOMPONENT FIBERS AND MICRODENIER FABRICS PREPARED BY FIBRILLATION THEREOF - Multicomponent fibers and fabrics made therefrom are provided. The fibers include a multilobal sheath fiber component surrounding a core fiber component, wherein the fibers can be fibrillated to provide a plurality of intertwined microdenier fiber components. Methods of providing such fabrics are also disclosed. | 09-13-2012 |
20120309249 | MULTI-LAYER FABRIC AND PROCESS FOR MAKING THE SAME - The invention provides a multi-layer fabric which is comprised of a first layer and a second layer which are adhered to each other, wherein the first layer comprises an elastic fabric of fibers of a polyolefin material which elastic fabric has an ultimate elongation of at least 500%; and wherein the second layer comprises a bonded nonwoven fabric of polyolefin staple fibers in which fiber-to-fiber bonds are present, which nonwoven fabric has an elongation in the cross machine direction of at least 130%, and wherein the polyolefin staple fibers have an elongation of at least 350%. The invention further provides processes for making the multi-layer fabric, an article or article component comprising the multi-layer component, and the use of the multi-layer fabric in diaper or training pant applications. | 12-06-2012 |
20120322330 | ELASTIC NONWOVEN CLOTH AND FIBER PRODUCT - To provide an elastic nonwoven cloth that is excellent in elastic recovery property and has pleasant texture without stickiness, and a fiber product using the elastic nonwoven cloth, by an elastic nonwoven cloth containing fibers that are spun at a spinning speed of from 500 to 2,500 m/min and contain a low crystalline polypropylene that satisfies (a) [mmmm]=20 to 60% by mol, (b) [rrrr]/(1−[mmmm])≦0.1, (c) [rmrm]>2.5% by mol, (d) [mm]×[rr]/[mr] | 12-20-2012 |
20130017747 | METHOD AND APPARATUS TO TEMPORARILY RESTRAIN STRETCHABLE NON-WOVEN FABRIC - A method for obtaining temporary non-stretchability characteristics, mainly in a machine direction, in a non-woven fabric having any level of stretchability, in order to ease converting is disclosed. The non-stretchability characteristics can be then eliminated in order to restore the original characteristics of the non-woven fabric. This technique allows the formation of final products comprising stretchable non-woven fabrics by converting machines. | 01-17-2013 |
20130035015 | SPUNBONDED NON-WOVEN FABRIC, PRODUCTION PROCESS FOR THE FABRIC AND USE THEREOF - The present invention provides a spunbonded non-woven fabric having excellent productivity, stretchability, touch and fuzz resistance without adhesion thereof on a roll and the like just after fiber deposition during the production. The spunbonded non-woven fabric comprises long fibers of a thermoplastic polyurethane elastomer (A) containing ethylene bisoleic acid amide and/or crosslinked organic fine particles and having a hardness of 75 to 85, and the spunbonded non-woven fabric comprises the long fibers of the thermoplastic polyurethane elastomer (A) and long fibers of a thermoplastic resin (B) other than the thermoplastic polyurethane elastomer (A). The present invention also provides uses thereof. | 02-07-2013 |
20130040525 | STRETCHABLE CONDUCTIVE NANOFIBERS, STRETCHABLE ELECTRODE USING THE SAME AND METHOD OF PRODUCING THE STRETCHABLE CONDUCTIVE NANOFIBERS - A method of producing stretchable conductive nanofibers includes: providing stretchable nanofibers; providing a metal precursor solution by dissolving metal precursors in a solvent that may swell the stretchable nanofibers; bringing the stretchable nanofibers into contact with the metal precursor solution or its vapor for a sufficient time for the metal precursors to penetrate into the stretchable nanofibers; and reduce the metal precursors inside the stretchable nanofibers to metal nanoparticles. | 02-14-2013 |
20130280977 | COMPOSITE FIBER HAVING ELASTOMER AND METHOD FOR MAKING THE SAME, AND A SUBSTRATE HAVING THE COMPOSITE FIBER AND METHOD FOR MAKING THE SAME - A composite fiber having elastomer and method for making the same, and a substrate having the composite fiber and method for making the same are provided. The composite fiber includes a first composition and a second composition. The first composition is thermoplastic non-elastomer, and the second composition is thermoplastic elastomer (TPE). The second composition is in an amount of 5 to 70 weight % of the composite fiber. The first composition and the second composition are alternately distributed in a circumference of a cross-section of the composite fiber, and the length of the second composition is less than 50% of the total length of the circumference. The TPE can be dispersed uniformly and increase the adhesion between fibers, and the segmented fiber cross-section thereof further prevents the TPE from becoming too adhesive and affecting the processing during the fabrication of fibers and non-woven fabric substrates. Therefore, the non-woven fabric substrate or artificial leather made from the composite fiber has excellent textile feeling and physical properties. | 10-24-2013 |
20140187114 | ELASTIC NONWOVENS WITH IMPROVED HAPTICS AND MECHANICAL PROPERTIES - The present invention is an extensible nonwoven comprising a polyolefin elastomer fiber wherein the surface of the fiber further comprises an inorganic filler or PDMS or combinations thereof, wherein the inorganic filler, if present, has D-90 particle size of 5 microns or less. | 07-03-2014 |
20140235127 | ELASTIC ATTACHMENT ADHESIVE AND USE THEREOF - The present invention relates to elastic attachment adhesives that comprise non-metallocene catalyzed polymers. The elastic attachment adhesives have stable creep performance under prolonged aging parameters, making these adhesives particularly well suited for elastic applications. | 08-21-2014 |
20150299918 | NONWOVEN AND STRETCHABLE LAMINATE - Nonwovens that have excellent stretchability in both the machine direction and the cross direction, and laminates including such nonwovens. The nonwoven includes fibers having a core-in-sheath structure including a core part and sheath part. The core part includes a thermoplastic elastomer. The sheath part includes a polyolefin having a melt flow rate greater than or equal to 100 g/10 minutes, and a viscosity lower than the thermoplastic elastomer at a specific temperature selected in a temperature range of from 220° C. to 260° C. | 10-22-2015 |
20150322607 | PROCESS FOR PRODUCING STRETCH NONWOVEN FABRIC, AND STRETCH NONWOVEN FABRIC - The purpose of this disclosure is to provide a process for producing stretch nonwoven fabric having excellent stretchability. This production process has the following configuration. The process for producing stretch nonwoven fabric comprises: a step in which nonwoven fabric to be treated which comprises stretchable fibers and extensible fibers is unevenly stretched, while being conveyed, so that nonwoven fabric having both higher stretched regions and lower stretched regions is formed; and a step in which the nonwoven fabric having both higher stretched regions and lower stretched regions is heated for 0.1-10 seconds at a temperature which is 40° C. or higher but is lower than the melting point of the stretchable fibers. The production process is characterized in that in the nonwoven fabric having both higher stretched regions and lower stretched regions, the higher stretched regions and the lower stretched regions are parallel to the direction perpendicular to the conveying direction and are present alternately in the conveying direction. | 11-12-2015 |
20160194787 | SPANDEX FIBERS FOR ENHANCED BONDING | 07-07-2016 |