Developers TRIZ Cases

Dispersing fine fluororesin particles within a high softening point polyester matrix inhibits paper powder adhesion to photoconductors.

Propenimine groups in the polymer enable reversible fluidization without orange coloration, resolving azobenzene interference for toner applications.

A process cartridge developing roller uses a specific surface layer structure to distribute toner evenly.

Emulsifying mixed polyester in aqueous medium creates homogeneous particle dispersion.

Calcium solid solution in spinel carrier cores enhances triboelectric chargeability and magnetic retention.

A toner uses an azo compound to stabilize pigment dispersion in aqueous suspension polymerization.

Adding 0.1 to 1.0 mol% of Sr or Ca elements to a Mn-Fe-O ferrite core prevents resin separation and particle cracking during long-term high-speed operation.

A toner with a crystalline and amorphous resin matrix-domain structure controls viscoelasticity.

Composite resin particles with tailored solubility parameters stabilize droplet interfaces in carbon dioxide dispersion media.

A toner uses aluminum-doped silica particles to enhance charge stability and adhesion.

Combining a disazo compound with a solvent yellow in specific ratios improves chroma while maintaining light resistance.

A toner binder employs a composite resin matrix with dispersed particles to resolve the trade-off between fixing temperature range and storage stability.

A liquid-discharging head uses piezoelectric vibration to eject uniform spray droplets for toner manufacturing.

Surface modified inorganic particles with controlled carbon content suppress lead portion whitening and prevent development leakage during image formation.

Melt atomization encapsulates wax within binder resin particles, eliminating organic solvents while widening the fixing temperature range.

Segmented core-shell additives balance high core hydrophobicity with low shell affinity, resolving heat resistance versus charge decay trade-offs.

A toner copolymer retention aid with controlled acid value and glass transition temperature improves low-temperature fixability.

A crystalline polyester toner binder combines 1,6-hexanediol with aromatic carboxylic acids to form a resin structure.

Limiting toner image flat parts to 200 μm resolves adhesion instability in high humidity while maintaining clean removability and image quality.

Optimized wax distribution prevents hot offset during high-temperature operation while maintaining adequate image fixing at lower temperatures.

Incorporating broad-spectrum biocides into aqueous emulsion toners prevents microbial contamination while maintaining charge stability and fusing performance.

A toner binder resin combines crystalline polyester with low-molecular compounds to enable stable image formation.

Silica particles with controlled molybdenum content stabilize toner charging, reducing fogging and density loss under varying temperature and humidity.

Amorphous resin shell layers cover large-diameter toner core particles to ensure complete surface coverage and prevent aggregation.

Optimized hydrophobic parameters in resin A and resin B prevent pigment aggregation, maintaining tinting strength under high temperatures.

Toner with controlled loss modulus maintains stable viscosity, reducing gloss unevenness on low-temperature recording media.

A liquid electrophotographic varnish composition uses an epoxy-based cross-linking agent and a solid amine catalyst to form a durable cured layer.

Semicrystalline biodegradable polyester resins form fused toner particles through emulsion aggregation without organic solvents.

Silica fine particles and polyvalent metal elements enhance toner adhesion on coated paper surfaces.

Gel latex seeds control nucleation during emulsion polymerization, resolving variability in starting materials that causes oversized toner particles.

Fluorinated polymeric additives improve charge stability and blocking resistance while reducing material usage compared to conventional inorganic fillers.

Peroxide treatment creates a robust shell on amorphous resin particles, reducing vinyl offset at low fixing temperatures.

Composite toner resin system with optimized mass ratios achieves low-temperature fixability while preventing blocking during high-temperature storage.

A core-shell particle encapsulates a crystalline release agent within an organosilicon polymer shell to facilitate exudation at lighter pressures.

A developer carrier uses a coated film with specific particle diameter to thickness ratios to create surface concavities and convexities.

Toner particles use silica and high-permittivity inorganic fine particles attached to a polyester core to stabilize electrostatic charge.

Tin oxide core-shell additive reduces ghosting and increases image density by managing triboelectric charge.

Barium titanate particles in silicone resin coat layers prevent detachment and maintain fog resistance without inhibiting toner charging.

Hot air treatment deposits inorganic particles on toner surfaces to control wax distribution, reducing fogging and improving charging stability.

A toner binder resin with a hydrogenated furan ring suppresses electrostatic charge fluctuations in high humidity environments.

A toner manufacturing process emulsifies releasing agents with polyester resin particles to enhance dispersibility.

A rotating member with stirring members applies resin composition particles to magnetic carrier cores using mechanical impact force.

A toner composition uses condensation-formed resin compositions to enhance colorant dispersibility.

Alumina external additive stabilizes toner charge to suppress fogging and background contamination during high coverage rate printing.

A method disperses hydrophobic resin particles in an aqueous medium using specific anionic surfactants to form stable core-shell structures.

Replacing carcinogenic titanium dioxide with strontium titanate, silica, and silicon tetrachloride eliminates inhalation risks in toner formulations.

Controlling releasing agent domain size distribution prevents toner crushing while maintaining separation performance.

An alicyclic binder resin in biomass toners maintains fixing and heat-resistant storage properties despite high renewable content.

Composite particles with embedded inorganic fine particles enhance toner surface integrity.

Strontium titanate on toner and barium titanate in carrier coats improve charge transfer to inhibit toner scattering and reduce fogging under low humidity.