An ultrasonic bonding unit joins web layers to anchor elastic threads within passages smaller than the thread cross-section.
A strain-resistant nonwoven core cover retains superabsorbent polymer particles through physical containment and hot melt adhesive bonding.
Composite topsheets combine film masking with porous nonwoven acquisition, resolving the trade-off between stain concealment and liquid wicking speed.
Blending polyolefin with styrenic block copolymer yields elastic films that resist thermal degradation while maintaining processability on standard equipment.
A drive mechanism with a timing belt and regulating rail stabilizes guide member positioning to prevent orthogonal drift during manufacturing.
Bonding a stretchable nonwoven fabric to a nonstretchable layer prevents breakage during manufacturing while maintaining low basis weight.
Sandwiched meltblown layer between ribbon-shaped spunbond layers creates a liquid barrier.
Multi-step stretching of elastic films before lamination reduces bulkiness and manufacturing complexity while maintaining elongation.
An exudate management layer uses a primary fold to direct body exudates into the absorbent core.
Welding protrusions form porous seams while a peeling roller removes thin membranes to resolve the trade-off between structural integrity and breathability.
Ultrasonic welding eliminates adhesive layers to prevent delamination, suppress odors, and maintain air permeability in stretchable laminates.
SBS block copolymer composition achieves high wet peel strength on nonwoven materials without acid-modified resins that cause odor and discoloration.
A manufacturing process stretches a molten web to form a microporous core layer, resolving the trade-off between breathability and liquid barrier properties.
Meltblown lyocell fiber webs sandwiching superabsorbent polymers resolve inefficient liquid distribution in absorbent cores.
A nonwoven substrate combines polyolefin and engineering thermoplastic fibers without compatibilizers to maintain tensile properties.
Localizing active material application preserves core integrity and liquid distribution channels while delivering effective odor control.
Segmenting a nonwoven web into layers with varying fiber diameters reduces basis weight while maintaining barrier properties.
Asymmetric elliptical openings in the forming structure close under pressure to block liquid passage while maintaining air permeability.
Segmented adhesive strips oriented perpendicular to peel direction enable clean detachment from delicate substrates without residue.
Multi-layer polymer composition featuring crosslinked particles and metallic materials within a thermoplastic matrix.
Controlling C-axis orientation above 0.85 maintains tensile strength and uniformity in lightweight spunbonded nonwoven fabrics despite reduced fiber diameter.
Propylene elastomer and polyalphaolefin blend elastic films eliminate adhesive tie layers to reduce laminate complexity while maintaining tensile strength.
A renewable polyester film uses discrete toughening domains and interphase modifiers to balance stiffness with elongation.
Co-extruded thermoplastic polyurethane and grafted polymer tie layers form a durable elastic multi-layer film.
A resilient absorbent laminate integrates superabsorbent polymer with a nonwoven substrate to acquire and store body fluids.
A bicomponent fiber with a polypropylene core and ethylene/alpha-olefin sheath joins spunbond and meltblown layers.
A polyolefin elastic film layer with controlled enthalpy and stress properties forms a laminate for absorbent articles.
A menstrual pad uses a composite top layer containing nanosized metal compounds to emit far infrared radiation.
A frangible bonding agent maintains folded fastening configurations during manufacturing while enabling easy consumer opening.
Segmented vacuum forces reorient continuous fibers to balance softness and strength in nonwoven webs.
A hot melt adhesive composition blends copolymers with specific needle penetration values to establish strong initial peel strength.
Splitting a single ply tissue web into two separate webs eliminates separate basesheet production, reducing manufacturing costs and increasing productivity.
Dual-melting resin meltblown fibers consolidate surface layers, preventing pilling and middle layer shedding.
Ultrasonic and thermomechanical welds replace adhesive in connection formations for transversely extensible laminar materials, reducing pollution.
A color-developing composition uses a desensitizer to eliminate tack on polymeric substrates while maintaining vibrant moisture detection.
A diagonal interface between coextruded elastic and rigid films distributes stress across the laminate, preventing junction failure during stretching.
Differential film stretching creates parallel stiffening zones that reduce curling and improve attachment reliability during diaper manufacturing.
A segmented film design overlaps adjacent segments at the interface to enhance cohesion and structural integrity.
An absorber core maintains a diffusion area change ratio of 0.80 to 1.0 using mixed water-absorbent resin particles.
Hydrophobic sizing on cellulosic fibers repels liquid while maintaining air permeability, resolving the trade-off between leakage protection and skin comfort.
Extruding elastic material directly onto nonwoven webs in discontinuous cross-direction strips reduces material consumption and manufacturing complexity.
A multilayer support structure uses a spunbond nonwoven fabric as the outermost layer to prevent adhesive invasion into substrate voids.
An absorbent core structure blends short cellulosic fibers with superabsorbent particles to maintain structural integrity and prevent wet collapse.
Drafted thermoplastic filaments bond to meshed elastomeric strands via local thermal fusion, improving shape retention while reducing weight.
Metallocene catalyst polymerizes propylene and 1-butene to form a copolymer resin that balances softness with tensile strength.
A rotating manifold bonder releases heated fluid through apertures to bond substrates, eliminating costly equipment switches for variable product pitches.
Bicomponent fibers in the spunbond backing layer raise the coefficient of friction to eliminate slippage and bunching under patient weight.
Extensible sheet material reveals distinct colors at specific stretch thresholds to guide proper tension during installation.