D04H1/5412

Nonwoven fabric for curtain and method for manufacture thereof

A nonwoven fabric for curtain in an embodiment of the present invention is formed from fibers having a thermoplastic resin as a main component, said nonwoven fabric for curtain being characterized in that: in the surface of the nonwoven fabric, the fibers are fused together at points where the fibers intersect, and the fibers are mutually isolated at locations other than the intersecting points; and furthermore, the KES surface roughness SMD of at least one side of the sheet is 1.2 μm or less, and the longitudinal tearing strength per fabric weight is 0.50 or more.

Nonwovens having aligned segmented fibers

Nonwoven fabrics suitable for a wide variety of applications (e.g., healthcare, filtration, industrial, packaging, etc.) are provided. In one aspect, the nonwoven fabric includes a plurality of segmented fibers. Each of the plurality of segmented fibers may comprise a fiber axis and a plurality of alternating larger diameter and smaller diameter segments along the fiber axis. The plurality of segmented fibers may be substantially aligned in a first direction.

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.

WIPES HAVING HIGH SUSTAINABLE CONTENT

A method of preparing a cleaning wipe having a high sustainable polymer content is provided. The cleaning wipe includes a fibrous layer having fibers of a melt spinnable sustainable polymer; and an abrasive layer having meltblown fibers of a melt spinnable sustainable polymer. The abrasive layer defining an outer surface of the cleaning wipe, and includes a plurality of abrasive structures formed thereon in which the abrasive structures are formed from conglomerated fibers, meltblown shot, fibers having average diameters greater than 4 micrometers and fibers having a tortuous geometry. The melt spinnable sustainable polymer content of the cleaning wipe is at least 50 weight % by weight of the cleaning wipe. A method of preparing the cleaning wipe is also provided.

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.

Wipes having high sustainable content

A cleaning wipe having a high sustainable polymer content is provided. The cleaning wipe includes a fibrous layer having fibers of a melt spinnable sustainable polymer; and an abrasive layer having meltblown fibers of a melt spinnable sustainable polymer. The abrasive layer defining an outer surface of the cleaning wipe, and includes a plurality of abrasive structures formed thereon in which the abrasive structures are formed from conglomerated fibers, meltblown shot, fibers having average diameters greater than 4 micrometers and fibers having a tortuous geometry. The melt spinnable sustainable polymer content of the cleaning wipe is at least 50 weight % by weight of the cleaning wipe. A method of preparing the cleaning wipe is also provided.

Capsules and other containers with optimized recycling attributes and methods for making same
11432675 · 2022-09-06 · ·

A system is provided for making a beverage capsule for use in a beverage preparing machine. The system includes a filter station for sealing a filter to an interior space of a body for the beverage capsule to define an ingredients chamber; an ingredients station for depositing a desired volume of desired ingredients into the ingredients chamber; and a cover sealing station for sealing a cover to the body. The cover being sealed to the body to define a hinge zone and a peel zone, wherein the hinge zone has a stronger seal than the peel zone.

PROCESS FOR MAKING THREE-DIMENSIONAL FOAM-LAID NONWOVENS

A method for making a high topography nonwoven substrate includes generating a foam including water and synthetic binder fibers; depositing the foam on a planar surface; disposing a template form on the foam opposite the planar surface to create a foam/form assembly; heating the foam/form assembly to dry the foam and bind the synthetic binder fibers; and removing the template from the substrate after heating the foam/form assembly, wherein the substrate includes a planar base layer having an X-Y surface and a backside surface opposite the X-Y surface; and a plurality of projection elements integral with and protruding in a Z-direction from the X-Y surface, wherein the projection elements are distributed in both the X- and Y-directions, and wherein the density of a projection element is the same as the density of the base layer.

MELTBLOWN NONWOVEN FABRICS, AND COMPOSITES THEREOF

A meltblown nonwoven formed from a bicomponent fiber, wherein: the bicomponent fiber has a first region and a second region, the first region is formed from a first composition comprising at least 75 wt. % of a polypropylene; the second region is formed from a second composition comprising at least 75 wt. % of an ethylene/alpha-olefin interpolymer.

Fibers for non-woven fabrics having blends of polymers with high and low melt flow rates

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.