D04H1/43835

DIMENSIONALLY STABLE SEPARATOR FOR ELECTROCHEMICAL ELEMENTS
20250215646 · 2025-07-03 ·

A separator for an electrochemical element is shown, in which at least 50% of the mass of the separator is formed by fibrillated regenerated cellulose fibers, wherein, including the fibrillated regenerated cellulose fibers, at least 70% and at most 100% of the mass of the separator is formed by cellulose fibers, and wherein the separator is calendered, and wherein under tensile load in the machine direction in accordance with ISO 1924-2:2008, the separator reaches its 0.1% yield point at an elongation of no less than 0.5% and no more than 2.0%. A method of manufacturing such a separator is also disclosed.

Sustainably-sourced, high strength non woven
12351987 · 2025-07-08 · ·

A nonwoven paper and method of manufacturing the same, where the nonwoven paper includes a thermally treated, wet-laid fiber mixture that includes a plurality of cellulosic fibers or pulp comprising about 60% to about 90% of the fiber mixture and a plurality of bicomponent binder fibers comprising about 10% to about 40% of the fiber mixture.

PREMIUM SANITARY TISSUE PRODUCTS COMPRISING SHORT FIBERS

Sanitary tissue products of the present disclosure may comprise at least about 70% short fibers and/or having a weight weighted mean fiber length of less than about 1.4, and may have one or a combination of premium performance parameter(s). One or more of said sanitary tissue products may form part of an array of sanitary tissue products.

Method for Manufacturing an Absorption and Distribution Nonwoven Fabric
20250250726 · 2025-08-07 ·

The invention relates to a method for manufacturing an absorption and distribution nonwoven fabric made of staple fibers and absorbent material made of regenerated cellulose for personal hygiene products. The nonwoven fabric is composed of thermoplastic, synthetic staple fibers as support fibers, wherein the support fibers are homo- or bi-component, thermoplastic regenerated cellulose for personal hygiene products. The nonwoven fabric is composed of thermoplastic, synthetic staple fibers as supporting fibers, wherein the supporting fibers are homo- or bi-component, thermoplastic polymer fibers comprising fusible constituents, staple fibers of thermoplastic and/or duroplastic polymers as distribution fibers and absorbent material of regenerated cellulose. The nonwoven fabric is mechanically bonded and then thermally bonded by means of subsequent hot-air bonding. The invention also relates to an absorption and distribution nonwoven fabric produced by the method according to the invention and to a device for carrying out the method according to the invention.

ZONED AND/OR LAYERED SUBSTRATES AND METHOD AND APPARATUS FOR PRODUCING THE SAME
20250250740 · 2025-08-07 ·

Methods and apparatuses for producing a zoned and/or layered substrate are described. A substrate can include a first layer including a first zone, a second zone, and an interface between zones. The first zone can include a plurality of fibers. The second zone can include a plurality of fibers and can be offset from the first zone in a cross-direction. The interface can include at least some of the plurality of fibers of the first zone and at least some of the plurality of fibers of the second zone to provide a purity gradient with a transition width less than 3.8 cm as defined by the Purity Gradient Test Method as described herein.

NONWOVEN HEMP FIBER-BASED MATERIALS
20250250727 · 2025-08-07 ·

A hemp-based nonwoven material manufactured by an air bonding process comprising a temperature of 150 C. for two minutes; said nonwoven material comprising between 1% and 99% hemp and between 1% and 99% of at least a second fiber; wherein the at least a second fiber is a synthetic fiber having a melt temperature of above 150 C.

HYBRID FABRIC
20250263873 · 2025-08-21 ·

Herein is described a carbon fiber and glass fiber hybrid fabric having a total areal weight of less than about 500 g/m.sup.2.

Nonwoven fabric including fibers formed from post-consumer recycled plastic
12392065 · 2025-08-19 · ·

Nonwoven fabrics are provided that include a mechanically entangled blend of fibers comprising (a) post-consumer recycled polymer staple fibers (PCR-staple fibers) and (b) one or more additional fibers, in which the one or more additional fibers are different than the PCR-staple fibers. The PCR-staple fibers are mechanically entangled with the one or more additional fibers to define the nonwoven fabric.

Methods of manufacturing synthetic bales
12404646 · 2025-09-02 · ·

A method of manufacturing a synthetic bale, including the steps of heating a mixture of a first plurality of fibers with a second plurality of fibers to cause the first plurality of fibers and the second plurality of fibers to thermally bond with one another to create bonded fibers, directing the bonded fibers into a forming chamber, and outputting the bonded fibers into a sheath configured for use as a synthetic ground-based bale.

AIR PERMEABLE FABRIC

A nonwoven permeable structure fabric for use in the construction of automotive seats. The permeable structure fabric includes 60%-99% by weight of a first fiber and the first fiber has a first mass and a first melting point. The permeable structure includes 1-40% by weight of a second fiber and the second fiber has a second melting point that is lower than the first melting point. The first fiber and the second fiber are mechanically entangled in a first dimension and the first fiber and second fiber are mechanically entangled in a second dimension that is generally perpendicular to the first dimension. The first mass is between about 10 denier and about 30 denier.