Inks TRIZ Cases

Shear-thinning aqueous ink lowers viscosity under shear stress for smooth flow while maintaining high rest viscosity to prevent leakage.

Smaller aqueous coating ink droplets suppress interference fringes while maintaining black density in ink jet recording.

Polyoxyethylene monoallyl ether minimizes hydrogen bond penetration in cellulose to reduce paper deformation and adhesion issues during high-speed printing.

Segmented colored and non-colored microspheres resolve the contradiction between water resistance and hue variety in aqueous writing instrument inks.

Specific solvent ratios stabilize magenta ink viscosity, preventing nozzle clogging in uncapped line head printers.

A rosin-modified polyester resin with controlled ester bond content and acid value enhances dissolubility in active-energy-ray-curable monomers.

Polyurethane binder dispersion with glycerol sustains decap performance, extending pen life and reliability.

Core-shell white pigment particles reduce sedimentation rates in continuous deflection ink jet systems while preserving opacity and shear resistance.

Replacing ester groups with branched alkyl core ureas improves thermal stability and rub resistance while maintaining jetting performance.

Specific surfactant ratios and co-solvents balance rapid drying on glossy media with extended printhead hydration, reducing keep-wet spits.

Dual-porosity silica powders in epoxy ink constrain fluid flow to prevent spreading, ensuring durable legibility on microscope slides.

A hydrophilic aqueous treatment formulation creates a thin dried film on an intermediate transfer member to promote uniform ink droplet spreading.

Thermoplastic polyurethane and solvent mixture provides scratch resistance and adhesion, resolving flexibility trade-offs in printed electronics.

Polycarboxylic acid coating on specific-sized metallic pigments prevents agglomeration, resolving transfer depletion and poor shine in flexographic printing.

Silver carbonate ink decomposes into conductive metal layers, reducing particle settling and production costs compared to pure silver.

Low HLB polysiloxane surfactant and acryl-silicone resin particles improve fixability on impermeable media while preventing phase separation.

A biodegradable water-absorbent hybrid material forms a three-dimensional polymer network through intercoupling reactions.

Porous titanium dioxide particles improve white color development without compromising rub fastness or causing precipitation.

Gel permeation chromatography fractionates polyalkylene waxes into narrow molecular weight ranges, eliminating batch-to-batch variations.

Replacing UV chemistry with electron beam curing removes photoinitiator migration risks while maintaining high printing speeds and image quality.

Complex separation and acid dissolution remove metal impurities from natural-derived carbide to ensure ejection stability.

Axial substituents on Ga or Al naphthalocyanine compounds resolve the contradiction between visible coloration and chemical stability in security printing.

Multivalent cation salt in the primer induces selective pigment aggregation to prevent inter-color bleed while maintaining film clarity.

Silicon carbide coatings on nozzle plates prevent ink dripping and obstruction during high-speed printing.

Thermal treatment of a UV-curable inkjet substrate eliminates cure shrinkage, achieving high surface hardness and adhesion for display panels.

Biphasic ligand exchange stabilizes colloidal nanoparticles, preventing degradation and agglomeration during ink manufacturing.

A dyeing solution uses anionic surfactants and organic solvents to maintain stable concentration during bulk processing.

A separate mixing cartridge manages ink recirculation to maintain fluid homogeneity.

Near-infrared photopolymerization overcomes gravity-induced defects and weak light penetration in large-diameter direct ink writing features.

Polyvinyl butyral resin forms a coating film between the ball and tip end, preventing ink dripping while maintaining smooth writing feel.

Replacing toxic solvents with diacetone alcohol and polyvinyl butyral eliminates health risks while maintaining writing performance.

Ionic side chains enable phenolic preservative activity without increasing viscosity or causing nozzle clogging.

Simultaneous deposition of color and transparent inks creates a uniform translucent layer on printed surfaces.

An ink cartridge design equalizes evaporation rates across multiple liquid chambers to maintain consistent color balance during storage.

A cationic UV-LED curable protective varnish uses a diaryl iodonium salt and specific photosensitizer to initiate polymerization of cycloaliphatic epoxides.

Urethane resin coating and optimized surfactant prevent pigment aggregation, ensuring stable ejection and high color reproducibility.

A radiation-curable ink composition uses a fatty alcohol ester of citric acid to tune print gloss levels.

Phosphate-treated aluminum pigment prevents gelation and viscosity increase, ensuring storage stability while preserving metallic gloss.

Segmented liquid ejection heads isolate undercoat nozzles from image rows, reducing self-induced jetting and adhesion on non-white media.

Block copolymer dispersion stabilizes aqueous silicone emulsions, resolving haze and phase separation while maintaining high gloss.

Saturated fatty acid monoester and diester blend maintains low viscosity and freezing point for stable ink ejection.

Polyurethane resin particles prevent surface hydrophilization, resolving the trade-off between scratch resistance and color development.

Polyether-modified siloxane diffusion balances gloss clarity with abrasion resistance, preventing surface unevenness in multi-ink pigment recording.

A pigment ink formulation combines low-Tg resin with polyoxyalkylene glycol monoalkyl ether to enhance surface gloss.

Solvent-based thermal ink jet formulation balances short dry times and cartridge compatibility using optimized humectant content.

Carboxy and sulfo groups in a polyester dispersant improve dispersion stability while a polyol solvent limits water retention to enhance drying resistance.

Polyvinylpyrrolidone mediates interactions between polyurethane dispersions and fixing fluids, preventing coagulation that damages nozzle health.

Volatile solvent system in self-dispersible pigment ink prevents nozzle blockages while enabling fast drying at low energy.

A binary ink developer roller uses an electrically insulating exterior coating to maintain ink polarity during liquid electrophotography transfer.

Controlled carbon black particle size resolves the trade-off between high printing density and UV-LED curing ability.