Developers TRIZ Cases

A core-shell external additive with an organosilicon polymer coating resolves low temperature fixability issues while maintaining cartridge durability.

Graft-polymerized styrene acrylic dispersants inhibit moisture adsorption, maintaining charging performance during high-temperature fixing.

Spherical toner particles reduce background fouling by maintaining stable electrical charge despite irregular particle shapes.

Controls dispersion viscosity and stirring power during aggregation to prevent coarse particle mixing and dot-shaped color unevenness.

Hydrolyzing lactate ester biosolvents eliminates energy-intensive solvent removal steps, reducing production costs.

A cold pressure fix toner composition uses a co-polyester-co-polydimethylsiloxane core and polymer shell to enable image fixation.

Staged pH adjustments during coalescence improve fusing characteristics and triboelectrical charging while managing release force.

Optimized toner particle size combined with specific agglomerate content resolves the contradiction between high image resolution and developer stability.

A damming member accumulates toner upstream of the cleaning blade, stabilizing external additive supply to prevent film formation on the image holding member.

A toner formulation uses ester wax with specific carbon number ratios to achieve low-temperature fixation.

Inorganic particle aggregates within the resin coating layer prevent peeling and gloss unevenness on small-grammage coated paper.

Enlarging phosphorescent pigment diameter from sub-10 microns to 15-55 microns boosts image brightness while eliminating time-consuming master batch steps.

Modified paraffin wax toners achieve high gloss while preventing blocking issues via controlled branched carbon ratios.

Metal catalysts in polyester toners create ionic cross-linking structures that stabilize charge and prevent accumulation during long-term use.

Bimodal silica coating controls toner surface coverage to prevent overcharging and ghosting under low temperature and humidity conditions.

A toner binder resin composition uses island-form non-crystalline polyester to disperse saturated crystalline polyester within a vinyl matrix.

A resin coating carrier with inorganic particles prevents peeling and color unevenness under hot humid conditions.

Vinyl resin toners with localized polyester domains resolve the conflict between low-temperature fixability and high-temperature storability.

Hydrophobically treated inorganic oxides adhere to toner surfaces to stabilize triboelectric charging, suppressing background fog during high-speed printing.

Controlled heat treatment increases dispersion conductivity by 50 μS/cm or less to smooth toner surfaces without reducing charge amount.

An oxazoline-based shell layer prevents free formaldehyde generation in high humidity while ensuring low-temperature fixability.

A toner comprising a polyester resin with an aliphatic diol component lowers melt viscosity to enable low temperature fixing.

Organic amines neutralize high molecular weight polyester resins to form stable aqueous emulsions with controlled particle sizes.

Composite resin coatings on ferrite cores prevent film peeling under stress while maintaining stable triboelectric charging.

Hydrotalcite particles in toner adsorb discharge products, suppressing stick-slip and banding images under high humidity.

Composite external additive with embedded inorganic particles maintains toner adhesive force under carrier stress.

A cleaning blade elastic member with specific Martens hardness removes toner particles from image bearers.

Controlled silica particle circularity prevents embedment and rolling on the toner surface, resolving image density unevenness in high humidity environments.

Optimizing the glass transition temperature of the binder resin resolves the contradiction between fixability on deformable cloth media and image uniformity.

Concentrate liquid electrophotographic marking agents to high solids content while preserving particle structure integrity.

Composite resin particles disperse releasing agents in an aqueous medium, preventing desorption during aggregation and coalescing steps.

Precise glass transition control prevents segment orientation and crystallization, improving color forming properties.

Cavitation disperses color resin particles in an aqueous medium followed by heat treatment at the glass transition temperature.

Composite silica with controlled particle size prevents melt-sticking and fog in high-humidity environments.

A toner composition incorporating hydrotalcite particles and fumaric acid forms a stable blocking layer on the developer surface.

A toner formulation uses crystalline polyester resin and low-moisture silica particles to achieve enhanced storage stability.

Optimized pH and temperature parameters reduce aggregation and washing cycle times by up to 40 percent while maintaining charge performance.

An external additive dam using silicone-treated silica and carrier silicon ratios prevents aggregation and streaky image defects.

Controlling the metal ion to surface area ratio narrows particle size distribution, preventing excessive aggregated particle growth.

Composite toner binder resin with controlled crystallinity enables low temperature fixability while maintaining flowability under high humidity.

A toner uses copper phthalocyanine with controlled crystallite size to achieve high saturation.

Acetoacetoxy groups on the toner shell resolve nonuniform charge distribution to improve print quality and long-term stability.

Non-surfactant charge control agents in emulsion polymerization maintain triboelectric charge under high temperature and humidity conditions.

Crystalline resin in toner matrix particles eliminates heat storage resistance differences between pigments, ensuring uniform fixing performance.

A toner binder combines polyester and crystalline resins to enable low-temperature fixing.

Plasma treatment chemically bonds additives to toner surfaces, eliminating batch-to-batch variation and improving tribo stability.

A magnetic toner formulation controls molecular weight distribution to achieve precise low-temperature fixability and dot reproducibility.

Reducing wax particle size to 1 μm or less improves toner pulverizability and fluidity while maintaining offset prevention reliability.

A toner formulation incorporating silica fine particles with positively chargeable strontium titanate fine particles to enhance triboelectric charge stability.

Metal titanate fine particles diffuse charges across toner surfaces, suppressing fogging and development stripes while maintaining low-temperature fixability.