Patent application number | Description | Published |
20080200331 | Process For Producing a Water-Absorbing Matieral Having a Coating of Elastic Film-Forming Polymers - The present invention relates to a process for producing a water-absorbing material comprising the steps of a) spray-coating water-absorbing polymeric particles with an elastic film-forming polymer in a fluidized bed reactor in the range from 00 C to 1500 C and b) heat-treatment of the coated particles at a temperature above 50° C., wherein in step b) the duration of the heat-treatment is chosen that the CS-SFC value of the obtained polymeric particles is at least 10% of the optimum CS-SFC value, and the water-absorbing material obtainable by this process. | 08-21-2008 |
20090143536 | Fibers and Nonwovens Comprising Polypropylene Blends and Mixtures - Fibers and nonwoven materials comprising polymeric blends and polymeric mixtures that incorporate a blend of a first metallocene polypropylene and a second polypropylene are described. The first and second polypropylenes have a predetermined relationship for the melt temperature and the melt flow rate of the individual polypropylenes. Also described are fibers (including bicomponent fibers) and nonwoven materials made from the fibers where the fibers are extruded using the polymeric blends, and/or the polymeric mixtures. | 06-04-2009 |
20100040826 | Extrusion Bonded Laminates for Absorbent Articles - An absorbent article of the present invention may comprise a topsheet, an outer cover, and an absorbent core disposed therebetween. The outer cover may comprise an extrusion bonded laminate. The EBL may comprise a multi-layer coextruded elastomeric film and a nonwoven. The film may comprise a core layer, a first outer layer, and a second outer layer, wherein the core layer is between the first and second outer layers. The nonwoven may comprise fibers and/or filaments. The first outer layer may be non-adhesively joined to the nonwoven via extrusion coating. Further, the outer cover may be elastic to at least about 50% engineering strain. The nonwoven may have high chemical affinity for the first outer layer. The first outer layer may have a low chemical affinity for the core layer. And, the first outer layer may comprise an amount of draw down polymer greater than about 45 wt %. | 02-18-2010 |
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 |
20100286338 | Fibers And Nonwovens Comprising Polyethylene Blends And Mixtures - Fibers (including bicomponent fibers) comprising polymeric blends and polymeric mixtures that incorporate a blend of a first polyethylene and a second polyethylene are described. The first and second polyethylenes have a predetermined relationship for the density and the melt index of the individual polyethylenes. | 11-11-2010 |
20100286339 | Fibers And Nonwovens Comprising Polypropylene Blends And Mixtures - Polypropylene materials comprising a polymeric blend, the polymeric blend comprising: (a) a first linear low density metallocene polyethylene; and (b) a second linear low density polyethylene; wherein the polypropylene material has a first turbidity half time measured under quiescent conditions, and a second turbidity half time measured at a wall shear stress of about 0.11 MPa, and having a certain ratio of the second turbidity half time to the first turbidity half time. | 11-11-2010 |
20100318049 | Absorbent Structures Including Coated Absorbent Material - An absorbent layer containing water-absorbing polymeric particles that are surface-treated and that are immobilized by a matrix, formed from a thermoplastic adhesive component, including a thermoplastic polymers and a specific plasticizer, and being free of low weight average molecular weight (e.g. below 1000, or below 2000 or even below 3000 g/mole) tackifiers and plasticizers. The absorbent articles may for example be adult incontinence articles, infant (e.g. baby, toddler) diapers, including training pants, and feminine hygiene articles, such as sanitary napkins. | 12-16-2010 |
20110208487 | COMPUTER BASED MODELING OF PROCESSED FIBROUS MATERIALS - Computer based models of processed fibrous materials. | 08-25-2011 |
20120232512 | Disposable Absorbent Articles with Components Having Both Plastic and Elastic Properties - Absorbent articles having a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core disposed between said topsheet and said backsheet are disclosed. The absorbent articles include a plasto-elastic material joined to or disposed on at least one of component of the absorbent article to impart sizing or shaping capabilities to the article. The plasto-elastic material has substantially plastic properties when said absorbent article is subjected to an initial strain cycle, for example, when the article is placed on a wearer, and has substantially elastic properties when subjected to a second strain cycle such as when the article is subsequently adjusted to conform to the size of the wearer. The absorbent article can be in the form of diapers, pull-on diapers, training pants, sanitary napkins, wipes, bibs, incontinence briefs or inserts. | 09-13-2012 |
20120232513 | Web Materials Having Both Plastic and Elastic Properties - An extruded web is disclosed. The extruded web can be either a nonwoven material of a films. The web comprises a plasto-elastic material where the plasto-elastic material is a combination of a first polyolefin and a second polyolefin (either a polymeric blends or a polymeric mixture). The claimed combination of polyolefins results in a material that has substantially plastic properties when a sample taken from said web is subjected to an initial strain cycle (such that the web is provided with a set of at least 30% by an initial strain cycle) and substantially elastic properties when a sample taken from the web is subjected to at least a second strain cycle. | 09-13-2012 |
20120238173 | MULTICOMPONENT FIBERS COMPRISING STARCH AND BIODEGRADABLE POLYMERS - The present invention discloses environmentally degradable multicomponent fibers. The configuration of the multicomponent fibers may be side-by-side, sheath-core, segmented pie, islands-in-the-sea, or any combination of configurations. Each component of the fiber will comprise destructurized starch and/or a biodegradable thermoplastic polymer. The present invention is also directed to nonwoven webs and disposable articles comprising the environmentally degradable multicomponent fibers. The nonwoven webs may also contain other synthetic or natural fibers blended with the multicomponent fibers of the present invention. | 09-20-2012 |
20120299211 | MULTICOMPONENT FIBERS COMPRISING A DISSOLVABLE STARCH COMPONENT, PROCESSES THEREFOR, AND FIBERS THEREFROM - A melt spinnable fiber is provided that comprises a first component comprising a thermoplastic polymer, and a second component comprising thermoplastic starch where the second component is not encompassed by another component or components or if encompassed by another component or components then the second component encompasses a hollow core. A particular use of such a fiber is for removal of the second component in the presence of a solvent in order to produce fibers with desired properties. An agent may be present in the second component for controlling the rate of removal of the second component thereby allowing for physical manipulation of the fiber prior to complete removal of the component. The invention is also directed to nonwoven webs and disposable articles comprising the fibers. | 11-29-2012 |
20130237938 | Extrusion Bonded Laminates For Absorbent Articles - An absorbent article of the present invention may comprise a topsheet, an outer cover, and an absorbent core disposed therebetween. The outer cover may comprise an extrusion bonded laminate. The EBL may comprise a multi-layer coextruded elastomeric film and a nonwoven. The film may comprise a core layer, a first outer layer, and a second outer layer, wherein the core layer is between the first and second outer layers. The nonwoven may comprise fibers and/or filaments. The first outer layer may be non-adhesively joined to the nonwoven via extrusion coating. Further, the outer cover may be elastic to at least about 50% engineering strain. The nonwoven may have high chemical affinity for the first outer layer. The first outer layer may have a low chemical affinity for the core layer. And, the first outer layer may comprise an amount of draw down polymer greater than about 45 wt %. | 09-12-2013 |
Patent application number | Description | Published |
20090258210 | ELASTOMERIC MATERIALS - Some embodiments of the present invention include elastomeric films with a basis weight of about 40 gsm or less or about 25 gsm or less. Other embodiments include elastomeric laminates comprising the elastomeric film bonded to one or more substrates (such as nonwoven fabrics). Methods of the making the elastomeric films and elastomeric laminates are also provided. | 10-15-2009 |
20090264844 | EXTRUSION BONDED LAMINATES FOR ABSORBENT ARTICLES - An absorbent article of the present invention may comprise a topsheet, an outer cover, and an absorbent core disposed therebetween. The outer cover may comprise an extrusion bonded laminate. The EBL may comprise a multi-layer coextruded elastomeric film and a nonwoven. The film may comprise a core layer, a first outer layer, and a second outer layer, wherein the core layer is between the first and second outer layers. The nonwoven may comprise fibers and/or filaments. The first outer layer may be non-adhesively joined to the nonwoven via extrusion coating. Further, the outer cover may be elastic to at least about 50% engineering strain. The nonwoven may have high chemical affinity for the first outer layer. The first outer layer may have a low chemical affinity for the core layer; and the multi-layer coextruded elastomeric film may have a basis weight no greater than about 40 gsm. | 10-22-2009 |
20120184169 | Extrusion Bonded Laminates For Absorbent Articles - An absorbent article of the present invention may comprise a topsheet, an outer cover, and an absorbent core disposed therebetween. The outer cover may comprise an extrusion bonded laminate. The EBL may comprise a multi-layer coextruded elastomeric film and a nonwoven. The film may comprise a core layer, a first outer layer, and a second outer layer, wherein the core layer is between the first and second outer layers. The nonwoven may comprise fibers and/or filaments. The first outer layer may be non-adhesively joined to the nonwoven via extrusion coating. Further, the outer cover may be elastic to at least about 50% engineering strain. The nonwoven may have high chemical affinity for the first outer layer. The first outer layer may have a low chemical affinity for the core layer; and the multi-layer coextruded elastomeric film may have a basis weight no greater than about 40 gsm. | 07-19-2012 |
20140255658 | ROBUST ELASTOMERIC MATERIALS - A thin elastomeric laminate can be made by bonding two bilaminate precursors. The bilaminate precursors are made from a thin elastomeric film laminated to a thin nonwoven fabric. Two layers of bilaminate precursor are then bonded such that the free film faces of both precursors are facing one another. The resulting laminates exhibit good robustness and resist the formation of activation pinholes. | 09-11-2014 |
20140257219 | ABSORBENT ARTICLES WITH MULTILAYER LAMINATES - An absorbent article comprising a topsheet, an outer cover, at least one chassis component, and an absorbent core disposed between the topsheet and outer cover, wherein at least one of the outer cover or chassis component comprises a laminate comprising at least one nonwoven layer and at least one multilayer film, wherein the multilayer film has at least four layers and comprises at least one inner layer comprising one or more elastomeric components, at least one outer layer comprising a plastoelastic component, and at least one additional polymeric layer that is disposed next to an inner layer | 09-11-2014 |
20140257220 | ABSORBENT ARTICLES WITH MULTILAYER DUAL LAMINATES - An absorbent article comprising a topsheet, an outer cover, at least one chassis component, and an absorbent core disposed between the topsheet and the outer cover, wherein at least one of the outer cover or chassis component comprises a dual bilaminate comprising two bilaminates combined, wherein each bilaminate comprises at least one nonwoven layer and at least one multilayer film, and wherein the dual bilaminate has at most about 90 grams per square meter basis weight. | 09-11-2014 |
20140288522 | Disposable Absorbent Articles with Components Having Both Plastic and Elastic Properties - Absorbent articles having a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core disposed between said topsheet and said backsheet are disclosed. The absorbent articles include a plasto-elastic material joined to or disposed on at least one of component of the absorbent article to impart sizing or shaping capabilities to the article. The plasto-elastic material has substantially plastic properties when said absorbent article is subjected to an initial strain cycle, for example, when the article is placed on a wearer, and has substantially elastic properties when subjected to a second strain cycle such as when the article is subsequently adjusted to conform to the size of the wearer. The absorbent article can be in the form of diapers, pull-on diapers, training pants, sanitary napkins, wipes, bibs, incontinence briefs or inserts. | 09-25-2014 |