Semi-Permeable Membranes TRIZ Cases
- Mixed Matrix Membranes with Functionalized Nanoparticles
Surface-functionalized molecular sieve nanoparticles disperse in polymer matrices to create void-free mixed matrix membranes for gas separation.
- Sheet Laminate for Wastewater Aeration with Composite Structure
A sheet laminate combines a microporous membrane base with a gas-permeable non-porous layer to supply oxygen to microorganisms in wastewater treatment.
- Porous PTFE Membrane Reducing Mass Per Unit Area
A porous polytetrafluoroethylene membrane reduces fibril diameter and increases node density through sequential stretching and sintering.
- Polypropylene Microporous Film Heat Resistance Strength Balance
Optimized polypropylene parameters resolve the trade-off between high heat resistance and sufficient film strength for safe battery separators.
- Air Filter Medium With Low Friction Support Resists Pleating Damage
A porous PTFE membrane paired with a low friction support member resists shear forces during pleating to prevent pinhole formation.
- Biomimetic Silk Fibroin Membranes for Universal Water Purification
Multilayer biomimetic membranes remove heavy metals and dyes via adsorption, solving reusability limits in single-use purification.
- Horizontal Preform Coating Device for Uniform Barrier Layers
Rotating the preform horizontally eliminates gravity-driven thickness variation and bubble formation in barrier coatings.
- Homogeneous Composite Substrate Using Polyetherimide Fibers
A homogeneous composite substrate uses polyetherimide fibers for structural strength and dielectric stability.
- Polydopamine Coated Membranes for Fouling Resistance
A polydopamine coating resists fouling and cleaning chemicals, maintaining high permeate flux while extending membrane lifespan.
- Sol-Gel Synthesis of Co-ABPBI Membranes
Direct synthesis in polyphosphoric acid avoids corrosive solvent evaporation and powder formation.
- Permselective Membrane Salt Treatment for Middle Molecule Removal
Salt treatment modifies permselective membrane pores, enabling effective removal of middle molecular weight substances during hemodialysis.
- Permeation Device Stirring Member Reduces Boundary Layer Thickness
A permeation device uses a stirring member to agitate solution adjacent to a porous support for accurate molecular transport measurements.
- Mononuclear Cell Collection Platelet Removal System
Centrifugal separation removes platelet interference before collection, reducing anticoagulant use and improving mononuclear cell yield accuracy.
- Polysulfone and N-vinyl lactam alloy for high-performance filtration
A polymer alloy of polysulfone and poly(N-vinyl lactam) forms a single-phase material with one glass transition temperature.
- Laminated Microchannel Heat Exchanger Flow Restrictors
Inlet flow restrictors suppress Ledinegg instability in laminated microchannel heat exchangers, ensuring uniform two-phase flow and high thermal efficiency.
- Variable Bicarbonate Dialysate Preparation via Segmented Mixing
A segmented dialysate preparation system adjusts sodium bicarbonate ratios to customize ion concentrations for individual patient needs.
- Lithium Recovery from LFP Cells via Bipolar Membrane Electrodialysis
Bipolar membrane electrodialysis converts lithium sulfate or chloride into hydroxide, reducing energy consumption and corrosion demands.
- CO2 Separation Membrane Module Preliminary Pressure Boosting
Preliminary pressure boosting of the separation membrane module suppresses abrupt temperature drops that cause CO2 condensation and membrane degradation.