Wet Spinning Methods TRIZ Cases

See how fiber coating with organic binder polymers eliminates adhesive layers and controls pore

A binder-coated non-woven separator controls pore size while improving strength and removing the need for a separate adhesive layer.

Controlled polymerization creates ultra-fine UHMWPE particles that improve solid-phase grafting and processing without costly cocatalysts.

Controlled heating and stretching create untwisted carbon fiber bundles that balance high strand strength and modulus with better resin impregnation.

Microparticle-induced spindle knots let polymer fibers drive droplets directionally, enabling low-cost atmospheric water collection.

UV-initiated aqueous RAFT polymerization produces PAN with high molecular weight, low dispersity, and high yield without toxic solvents.

An organic catalyst enables furan-based aromatic polyamides above 200,000 molecular weight without residual metal salts.

A controlled fluid interlacing step improves precursor bundle convergence while limiting filament breakage, fuzzy fibers, and yarn bundle divides.

A rotating modular frame uses pins to draw fibers from polymer droplets and deposit them directly, reducing disruption and separate assembly.

This case uses intrinsically conductive fibers to form yarns, reducing resistance while supporting ionic conductivity and biocompatibility.

Water-based spinning and post-fiberization acetalization cut costs and preserve fibrillatability.

This case shows how solvent compaction and simultaneous drawing with axial twisting raise conductivity for electronic-textile yarns.

This case combines insoluble alpha-glucan with unlinked additives to improve fibrid stability and durability during aqueous handling.

Dynamic conveying speed adjustment on a perforated conveyor increases solvent removal residence time without lengthening the washing system.

Segmented in-line and off-line drawing stages resolve the trade-off between tensile strength and production speed.

Replacing electrostatic fields with mechanical rotation simplifies the spinning process while achieving narrow fiber diameter distribution.

A gel spinning process dissolves high molecular weight polyamide in caprolactam to form a spinnable solution.

A direction changing guide part with a fiber-free region controls coagulation bath liquid flow during acrylonitrile fiber spinning.

Hierarchical crystalline-amorphous structures in single-layer para-aramid materials eliminate multi-layer weight penalties.

A zinc chloride catalyst accelerates cross-linking in acrylic fiber spinning solutions to improve toughness and elastic modulus.

Staged gel spinning with nitrogen sparging produces UHMW PE yarns above 45 g/denier while preventing polymer degradation during fast throughput.

Esterifying polysaccharides with acyl halides before blending with polyacrylonitrile to spin composite fibers.

Sub-zero cooling enables high-strength PLA filament production from viscous solutions, resolving spinning difficulties for high molecular weight polymers.

A multifilament polyethylene fiber design using controlled gel spinning and drawing to achieve uniform crystal structure.

Optimized radical initiator levels and absence of chain transfer agents raise acrylonitrile conversion while preserving carbon fiber precursor properties.

An asymmetric jet coagulator directs liquid at an angle to reduce friction during high-speed spinning of aromatic polyamide filaments.

Sintered PTFE and alumina composite fiber resolves wear resistance and thermal conductivity trade-offs.

Sequential electrostatic coating overcomes microfluidic layer limits, enabling large-scale production of high-strength graphene oxide fibers.

Piezoelectric fibers in a nonwoven member generate electric fields to inhibit bacterial growth without chemical additives that cause allergic reactions.

Segmented bath sections and partition walls regulate coagulation liquid flow to prevent turbulence and fiber breakage during high-speed spinning.