Artificial Filaments From Cellulose Solutions TRIZ Cases

See how cellulose nanofiber adsorption stabilizes recycled cellulose fibers, reducing water-was

See how comminution, mechanical separation, and chemical separation isolate cellulosic fibers f

See how aldaric acid strengthens regenerated cellulosic fibers without excessive rigidity or mo

See how sequential mechanical and chemical separation removes non-cellulosic fibers from textil

See how sulfonic acid salt pretreatment stabilizes cellulosic fibers during pyrolysis to increa

Cross-linking a phosphorus flame retardant into solvent-spun cellulose fiber delivers durable flame resistance while keeping the material biodegradable.

Introduces low-impregnation functional substances into never-dried molded cellulose after shaping to preserve fiber strength and simplify solvent recovery.

Diluting viscous cellulose filter reject with lower-viscosity dissolution liquid enables impurity separation, higher yield, and liquid reuse.

Acid-alkali cellulose recycling turns post-consumer textile waste into strong threads and felted cloth while preserving original dye color.

Controlled micronization keeps cellulose fibers uniform while limiting nanofibers and coarse structures, preserving handling and biodegradability.

Cellulose fibers from beech, birch, poplar, elm, or oak replace toxic synthetic floss with a pH-compatible option that decomposes after use.

Sugarcane bagasse is pretreated and dissolved in NMMO to raise cellulose purity and recovery while avoiding the pollution of conventional fiber processes.

Vacuum crystallization recovers coagulation salt and sodium hydroxide from alkaline spin baths while limiting zinc buildup and waste.

Low-moisture lyocell tow replaces cellulose acetate filters, preserving hardness while improving biodegradability and reducing softening.

Cold plasma with FeSO4 oxidizes cellulose before mild fibrillation, cutting CNF energy use and chemical load while improving yield.

Coagulation temperature and solvent concentration are tuned to form low-crystallinity cellulose molded bodies independent of xylose content.

In-situ self-assembly and hydrogen-bond crosslinking create a 3D porous cellulose aerogel fiber with high strength, toughness, and insulation.

Water removal recovers [mTBDH][OAc] from Lyocell spinning baths while preserving cellulose solubility and stable spinning behavior.

Adding selected salts to the coagulation bath reduces lignin leaching during extrusion, enabling stronger shaped bodies for carbon fiber processing.

Winding cellulose filaments before full solvent removal enables partial washing and coiled drying to improve strength, elongation, and process efficiency.

A centrifugal pump circulates coagulation liquid with reduced turbulence, while a conical exit guides fibers and supports filament recovery.

Zinc salt mediates cellulose dissolution in dilute alkali, resolving solubility limits at 3.5 to 7 wt-% concentration.

Aligning anisotropic carbon nanoparticles within freshly spun regenerated cellulose fibers enhances mechanical performance through molecular orientation.

Molten ionic liquid solvent system dissolves cellulose and starch derivatives for direct regeneration into nonfibrillating fibres.

Selective cellulose dissolution in superbase ionic liquids separates heterogeneous cotton-polyester blends without degrading the polymer components.

Ionic liquid solvent separates cellulose and hemicellulose fractions to prevent polymer degradation during extraction.

Direct dissolving of alpha(1-3)-glucan with aqueous sodium hydroxide eliminates hazardous carbon disulfide use in fiber manufacturing.

A continuous wet-spinning process sprays cellulose dope into a regeneration bath to form fibers that pass through multiple chemical baths for neutralization and solvent exchange.

Meltblown natural cellulose nonwovens treated with phosphorus acyl flame retardants for durable fire resistance.

Centrifugal roller guidance removes liquids from lyocell filaments, maintaining quality at 2000 m/min.

Segmented cooling via a distributing blade manages spinning solution temperature while reducing energy consumption during cold-alkali fiber production.

Adding transition metal salts stabilizes polymer solutions in ionic liquids, reducing solvent degradation at processing temperatures.

Selective oxidative bleaching reduces limiting viscosity of natural cellulose while preserving man-made fiber quality during textile recycling.

Composite filaments blend cellulose and cellulose acetate to disrupt crystallinity, resolving slow degradation times in pure cellulose acetate fibres.

Incorporating Zinc Pyrithione into viscose before spinning ensures uniform additive distribution, eliminating wastewater pollution from surface treatments.

Solution spinning creates high-functionality textiles with over 40 wt% additives, eliminating fiber breakage and extra processing steps.

Integrating melamine cyanurate into the cellulose matrix during production eliminates coating durability issues while maintaining textile feel.

A cellulose spinning process recovers sodium hydroxide from coagulation baths for reuse in dissolving new cellulose.

Ionic liquids dissolve cellulose for direct fiber spinning, eliminating hazardous chemical derivatization and complex regeneration steps.

Onium hydroxide solvent enables cellulose ester synthesis without sulfuric acid contamination, maintaining high purity and mechanical strength.

Crosslinking agents cure never-dried cold-alkali fibers to reduce fibrillation while preventing embrittlement.

Ionic liquid solidification baths produce purified polysaccharide fibers with uniform structure and high strength.

A cellulose solution cast from an ionic liquid and polar aprotic cosolvent dope forms shaped articles at low temperatures.

Replacing NMMO with stable ionic liquids eliminates thermal runaway risks while maintaining high tensile strength and hydrolytic stability.

Increasing cellulosic filament denier to 2.3 dtex improves residual strength retention under cyclic loading.

Meltblown spinning blends natural cellulose fiber with nano silver colloidal sol to produce biodegradable nonwovens.