Semi-Permeable Membranes TRIZ Cases

Two-stage voltage application creates a thin film portion to stabilize single nanopore formation in thick membranes, improving detection accuracy.

A housing measures hollow-fibre membrane permeation properties directly without module assembly.

Segmented membrane modules and dynamic flow switching inhibit catalyst adhesion, ensuring continuous operation of the low-temperature synthesis.

Segmented apparent density in conjugate fiber spunbonded fabric prevents resin bleed-through and fluffing during membrane casting.

Grafting zwitterions via linkers creates a monolayer that inhibits polysulfide elution while maintaining thinness and enhancing ion conductivity.

Freeze-drying chlorogenic acid yields stable orthorhombic crystals, resolving solubility and stability trade-offs.

Vacuum-assisted self-assembly co-deposits graphene oxide sheets and polymer to resolve isotropic random structures that limit property enhancements.

Biomass-derived 3D graphene structures use internal cavities and nanopores to increase specific surface area, resolving stacking limitations in supercapacitors.

Sintering PTFE with nano-sized soot particles creates a porous membrane that maintains water impermeability while improving mechanical stability.

Structured side wall electrodes with insulation barriers achieve uniform electric fields, reducing voltage requirements and preventing mechanical deformation.

Wound polymer film strips form a substrate-free nanofiber filter wrap that reduces clogging and withstands tensile loads.

Pressure-responsive porous barriers in a hollow body enable controlled liquid transfer, reducing contamination risks from manual pipetting steps.

Aromatic epoxy resin cures into a tube sheet that secures hollow fiber bundles while maintaining structural integrity at elevated temperatures.

A sewage treatment system converts waste sludge into a biological agent to degrade organic pollutants without generating excess discharge.

A programmable controller calculates dialysance and weight loss to adjust ultrafiltration pump speed during extracorporeal blood treatment.

Segmented conductive paint layers achieve homogeneous current density, resolving inhomogeneous antifouling effects on large substrates.

A composite separator coating with polydopamine and conductive material adsorbs lithium polysulfides from the electrolyte.

Castor oil-based polyol blends with polyether polyols maintain membrane flowability and prevent pore clogging during binder application.

Processing lubricated VDF copolymer below its melting point eliminates solvent use while maintaining mechanical strength.

An angled air permeable filter in a fan housing directs airflow while shedding water droplets from electronic enclosures.

Segmented solid electrolyte membranes guide metallic ions via electrostatic attraction, preventing unintended deposition outside desired ranges.

A graphene filter purifies consumed dialysis solution into ultrapure water for reuse in a closed-loop circuit.

An AC-electrospinning system fabricates inorganic fiber tubular structures with high porosity and mechanical strength.