Artificial Filament Recovery TRIZ Cases

See how ionic liquid dissolves dyed textile waste to produce colored lyocell fibers, recycling

See how air knives and scrapers mechanically retain solvents before extraction, reducing device

See how a two-stage chemical-physical and mechanical process separates polyester from polyureth

See how MRS extrusion with integrated filtration purifies recycled PET flakes in one pass, elim

See how suspension dosing and mechanical pre-recovery improve solvent extraction and homogeneit

See how vacuum extrusion and pre-crystallization remove contaminants from recycled PET flakes t

See how selective solvent dissolution separates sacrificial polymers from multicomponent fibers

See how substituting mineral oil with a more volatile solvent enables efficient recovery, reduc

See how mechanical pre-recovery extracts solvent from UHMWPE yarn before drying, reducing envir

Controlled pH and heat extraction removes dyeing residuals from aramid fibers while preserving dyes and improving crystallinity and strength.

Heating antioxidant-stabilized nonwoven nanofibers strips bonded spinning solvent to below 1000 ppmw without degrading fiber properties.

Multi-stage evaporation and oleum mixing recycle sulfuric acid in aramid spinning while cutting energy use, water demand, and sulfate emissions.

Regenerated PET fibers restore tire reinforcement strength and quality consistency while reducing waste and moisture-related drawbacks.

Combines Raman spectra with calibration models to quantify ionic liquid components and water inline for faster process monitoring and control.

By retaining selected foreign substances during lyocell spinning, this case adds elasticity or color while reducing bleaching, waste, and process complexity.

Sulfuric acid dissolves discontinuous aramid fibers into spin dope for continuous dry-jet wet spinning of recycled fibers with near-virgin quality.

Continuous sulfuric-acid dissolution and dry-jet wet spinning turn aramid waste into continuous fibers with virgin-like properties.

Recover carboxylic acid from coagulation liquid in protein-shaped body production through solvent extraction and staged distillation.

Ground paper dissolves directly in aqueous phosphoric acid before solvent spinning and carbonization produce strong carbon fibre.

Sealed tube-furnace heating stabilizes resin-residue decomposition for carbon fiber recovery.

Graphene cellulose blended meltblown nonwoven fabric produced via a safe reduction process using hydrogen peroxide instead of toxic hydrazine hydrate.

Triple effect evaporator recycles water vapor between stages to concentrate NMMO above 50% while reducing external heat requirements.

Continuous wire drive system transports polymer-coated electrodes through an electrospinning enclosure to produce nanoscale fibers.

Pre-treatment removes dyes, resins, and metals from reclaimed cellulosic raw materials before viscose processing, maintaining fiber mechanical properties.

A continuous flow extraction reactor moves liquid medium through cellulosic particles to recover solvent via concentration gradients.

A rotating drum reactor system pyrolyzes carbon fiber waste to volatilize the epoxy matrix and recover high-quality fibers.

Near infrared spectroscopy detects electron transitions from N-H bonds to determine poly-p-phenylene terephthalamide molecular weight.

Steam stretching removes solvent from as-spun filaments, eliminating fire risks and enabling solvent recovery.

Segmented culture phases and parameter changes resolve engineering constraints, delivering scalable cotton fiber production with uniform cellular homogeneity.

Add 0.01-5 wt% dicarboxylic acid to melt high RV nylon, chemically reducing viscosity below 30 without consuming low RV diluent.

Pyrolysis converts mixed plastic waste into monomers for textile webs, eliminating separate PET processing and reducing CO2 emissions.

Inert atmosphere processing prevents solvent degradation in UHMW PE yarn production, maintaining stability while using non-polar hydrocarbon solvents.

Using preliminary action to embed insoluble particles in solid cellulose feedstock, preventing aggregation and contamination during lyocell regeneration.

Selective solvent extraction recovers cellulose from mixed textiles while retaining specific synthetic plastics.

Collecting and comminuting waste streams enables solvent extraction, reducing energy consumption during evaporation.

Thermal decomposition separates resin from carbon fiber reinforced plastic without crushing fibers, enabling recovery of continuous strands for reuse.

A two-stage distillation process separates unreacted monomers from azeotropic mixtures by coupling column heat exchange, reducing external energy consumption.

Multi-stage coagulant injection with sequentially lowered sulfuric acid concentration stabilizes spun material structure.

Recycles sulfuric acid from aramid fiber spinning using evaporation and oleum mixing to produce high-concentration spin dope.

A cellulose solution composition using purified ionic liquid solvent to maintain polymer integrity during thermal processing.

Prevent enamel degradation during sulfuric acid concentration by maintaining temperatures above 180°C with hydrogen peroxide.

Adhesive tape combines recycled PET with virgin PE to maintain mechanical strength while lowering production costs.

Condenses solvent gases in a sealed system to eliminate large-scale adsorption columns and enable high-volume production.

Recycled separable multi-filament parallel yarns address low productivity and high costs in fine denier manufacturing via segmented ply processing.

A hybrid reinforcement cord combines recycled PET with aramid or nylon yarns to create a durable structural element.

Supercritical acetone coagulates concentrated PVA hydrogel to resolve viscosity contradictions and produce elastic filament fibres.

Vacuum evaporation extracts finish oil from recycled nylon 6.6 pellets to resolve quality trade-offs in tire cord production.

Acid and alkaline treatments separate cellulosic and polyester fibers while membrane filtration purifies the liquid phase.

Moderate concentration NMMO reduces evaporation energy and safety risks while improving fiber uniformity.

Chemical dissolution separates carbon fibers from composites, avoiding pyrolysis energy costs and preserving fiber length.

Binder coating applied during fiber separation prevents entanglements and pilling, preserving mechanical strength for reuse in new composite components.

Infrared radiation removes chemically bonded solvent from nanofibers, lowering energy consumption and processing time compared to thermal or vacuum methods.

Automated optical detection classifies contaminated mixed waste plastics to create homogeneous blends, reducing manual sorting costs.

Branched copolymers increase melt strength to prevent parison sagging while crystallizable components reduce recycling agglomeration.