Spinning Solution Filtering TRIZ Cases

See how separating polymer melt into multiple streams under vacuum removes contaminants and wat

Dry spinning with a parallel air stream forms pure hyaluronic acid microfibers and nanofibers without toxic solvents, added polymers, or coagulation baths.

A vacuum-circulation loop with multi-mesh filtration removes bubbles and impurities from high-viscosity spinning dope for more uniform fiber spinning.

Wet spinning and solvent ratio control form pure hyaluronate nonwoven fabric without PVA, improving biocompatibility for patches and wound dressings.

Two-stage polymerization with controlled stirring, pH, and wet spinning raises meta-aramid fiber elongation for comfort and filler hardness.

Vacuum debulking separates recycled PET melt into multiple streams to remove contaminants and volatiles before spinning bulked carpet filament.

Vacuum drying, pressure regulation, and melt filtration remove moisture and contaminants from colored recycled PET before forming carpet filament.

This case applies 0–5 millibar vacuum to divided polymer streams, removing contaminants before recycled PET carpet filament production.

Vacuum pressure below 5 millibars removes contaminants from recycled PET melt, eliminating multiple melting cycles required by prior art.

A combined degassing process integrates vacuum, film-scraping, lifting, and shear mechanisms to remove air bubbles from high-viscosity chitosan spinning solutions.

Replacing toxic viscose rayon with recyclable ionic liquids eliminates environmental harm while preserving polymer structure for aerospace thermal protection.

Umbrella-shaped dispersion plate creates film-scraping shear to remove air bubbles from high-viscosity spinning solutions.

Multi-stream extrusion separates polymer melt into eight streams for vacuum degassing to remove contaminants and water from recycled PET.

Circular spinneret orifices generate asymmetric fiber shapes via coagulation flow control, eliminating complex non-circular tooling requirements.

Vacuum evaporation removes contaminants from recycled PET melt during extrusion, achieving virgin-quality purity and color consistency.

A dispersion device uses an inclined surface and band gap to prevent raw material stagnation, eliminating fouling while maintaining uniform application.

MRS extruder removes contaminants from recycled PET to produce high-viscosity polymer, eliminating costly multiple melting cycles.

Segmented satellite screws increase melt surface area to remove contaminants from recycled PET, achieving virgin-quality polymer purity.

Vacuum stream segmentation removes contaminants from recycled PET, maintaining intrinsic viscosity without multiple cooling cycles.

Multi-screw extruder purifies recycled polymer melt to remove contaminants and water, enabling high-quality bulked continuous filament from 100% recycled PET.

Vibration in the central chamber separates air bubbles and aligns polymer chains, reducing extrusion pressure and eliminating microbubbles.

A multi-rotating screw extruder distributes recycled PET melt across satellite screws to increase surface area.