D04H1/5418

THERMOFORMABLE NONWOVEN COMPOSITE
20230135435 · 2023-05-04 ·

A thermoformable nonwoven composite containing a nonwoven layer which contains a plurality of first staple fibers, a plurality of first binder fibers having a first melting point, and a plurality of second binder fibers having a second melting point, wherein the first staple fibers, first binder fibers, and second binder fibers intertwine and cross at crossover points. The difference first melting point and the second melting point differ by at least about 15° C., and at least 95% by weight of all of the fibers in the nonwoven layer are polyester. The thermoformable nonwoven composite also contains a first resin formulation containing a first resin. The first resin is located within the nonwoven and located in at least a portion of the crossover points. The first staple fibers, the first and second binder fibers, and the first resin all contain a polymer from the same chemical class.

Nonwoven material with high core bicomponent fibers

Nonwoven materials having at least one layer comprising high core bicomponent fibers are provided. The nonwoven materials can have multiple layers and are suitable for use in a variety of applications, including in absorbent products. The nonwoven materials can have improved resiliency and strength and can retain their structure under wetted conditions and after tension and compression.

Molded Body, Sandwich Panel Using Same And Method For Manufacturing Same

The present invention relates to a molded body, a sandwich panel using same as a core layer, and a method for manufacturing same, the molded body having a non-woven fiber aggregate structure comprising two or more non-woven fiber aggregates. The molded body comprises a polyester-based fiber and a polypropylene composite fiber, wherein the polypropylene composite fiber comprises polypropylene and maleic anhydride polyolefin.

SELECTIVE LASER BONDING ON TEXTILES
20230366138 · 2023-11-16 ·

Electromagnetic radiation is applied (e.g., by a laser) to a nonwoven textile comprising first fibers having a first propensity to absorb the electromagnetic radiation and second fibers having a second propensity to absorb the electromagnetic radiation that is lower than the first propensity. The electromagnetic radiation may be used to form discrete bonding structures within the volume of the nonwoven textile, wherein the bonding structures are generally absent from the faces of the nonwoven textile.

High temperature treated media

A thermally bonded filtration media that can be used in high temperature conditions in the absence of any loss of fiber through thermal effects or mechanical impact on the fiber components is disclosed. The filter media can be manufactured and used in a filter unit or structure, can be placed in a stream of removable fluid, and can remove a particulate load from the mobile stream at an increased temperature range. The combination of bi-component fiber, other filter media fiber, and other filtration additives provides an improved filtration media having unique properties in high temperature, high performance applications.

Needled sandwich nonwoven structure, and method of making it
20230374710 · 2023-11-23 ·

The disclosure provides needled sandwich material structures in which a core nonwoven with vertically oriented fibres is used; and a method of manufacturing these sandwich material structures.

NONWOVEN SLIVER-BASED FILTER MEDIUM FOR FILTERING PARTICULTE MATTER
20230381696 · 2023-11-30 ·

A filter medium for filtering matter from a fluid and the manufacture thereof are provided. In one exemplary embodiment, a method may be performed by a filter medium for filtering particulate matter from a fluid. Further, the filter medium may include a nonwoven sliver formed into a predetermined shape and composed of first synthetic staple fibers having a first denier, second synthetic staple fibers having a second denier, and third synthetic staple fibers having a third denier.

FIBERS FOR NON-WOVEN FABRICS HAVING BLENDS OF POLYMERS WITH HIGH AND LOW MELT FLOW RATES
20220298691 · 2022-09-22 ·

A spunbond non-woven fabric includes a plurality of fibers. The fibers are formed from a polymer blend that includes at least one first polymer and at least one second polymer. A melt flow rate of the at least one first polymer is greater than a melt flow rate of the at least one second polymer, and the melt flow rate of the at least one second polymer is about 9 g/10 min to less than 18 g/10 min. The blend may include a percentage by weight of the second polymer that is greater than a percentage by weight of the first polymer.

PAPER MACHINE CLOTHING AND METHOD
20220275580 · 2022-09-01 ·

A paper machine clothing, in particular a press felt, for a machine for producing or processing a fibrous material web, includes a base structure and at least one layer of nonwoven fibers disposed on the base structure. The layer of nonwoven fibers has bonding fibers and further fibers. The bonding fibers and the further fibers differ in at least one material property, and at least some of the bonding fibers are connected to one or more further fibers and/or elements of the base structure by an integral joining connection, in particular a weld connection. A method for producing the clothing is also provided.

NONWOVEN SLIVER-BASED FILTER MEDIUM FOR FILTERING PARTICULATE MATTER
20220212131 · 2022-07-07 ·

A filter medium for filtering matter from a fluid and the manufacture thereof are provided. In one exemplary embodiment, a method may be performed by a filter medium for filtering particulate matter from a fluid. Further, the filter medium may include a nonwoven sliver formed into a predetermined shape and composed of first synthetic staple fibers having a first denier, second synthetic staple fibers having a second denier, and third synthetic staple fibers having a third denier.