Organic-Compounds/Hydrides/Coordination-Complexes Catalysts TRIZ Cases

A ruthenium complex catalyst paired with a vinyl-containing co-catalyst enables selective hydrogenation of nitrile rubber without metathetic degradation.

Sulfonated internal olefin surfactants form stable microemulsions to lower interfacial tension between water and oil phases.

Naphthoxide ligands stabilize Group 4 transition metal catalysts, enabling high molecular weight ethylene polymer production at elevated temperatures.

Bidentate ligand-promoted rhodium catalysts boost ethylene hydroformylation rates by 100 times while lowering operating temperatures and reducing rhodium usage.

A ruthenium-diamine complex production method using a Diels-Alder derived intermediate and diamine reaction at 100 to 200 degrees Celsius.

Ether-glycol ligands moderate double metal cyanide catalyst reactivity, preventing sudden exothermic reactions during polyol production.

Distillative water separation prevents accumulation in the synthesis loop, maintaining high reaction rates and preventing corrosion during isobutene production.

A hybrid supported metallocene catalyst system combines distinct metal centers to produce olefin-based polymers with controlled molecular weight.

Alkoxy magnesium supported catalyst component combines ortho-phenylene diester and diether electron donors to achieve ultrahigh polymerization activity.

Bulky metalloporphyrin catalysts resolve weak steric interactions in allylic alkene oxidation, achieving trans:cis ratios exceeding 30:1.

Monoatomic Pt-N-C sites on carbon supports suppress oxygen side reactions during chlorine evolution, resolving selectivity and precious metal usage trade-offs.

Engineered Metal-HeteroAtom-Carbon catalysts with porous graphene-like matrices enable efficient electrocatalytic reactions.

Silyl-substituted cyclopentadienyl platinum complexes enable photochemical activation, resolving dark stability issues in silicone compositions.

Water-soluble amines separate rhodium from hydroformylation byproducts, eliminating costly liquid purge streams.

SiO2@AMO-LDH microspheres enhance ethylene polymerization activity and control over polymer structure.

Stoichiometric control and in-house catalyst synthesis eliminate excess reagent removal and decolorization steps during production.

A three-phase catalytic system integrates a nanoscale electrolyte layer to enable spatially independent reactant interactions.

Pyrolysed poly-complex non-platinum group metal catalysts create high surface area structures via sacrificial support removal.

A molybdenum complex with electron-attracting aryl substituents catalyzes ammonia synthesis from nitrogen and a proton source.

Bidentate P-P coordination in chiral ferrocenyldiphosphine ruthenium complexes improves enantioselectivity and reduces noble metal consumption.

Thermally robust heterobimetallic catalysts resolve activity loss during polar monomer copolymerization.

A cyclic bridged metallocene catalyst system activated by aluminoxane produces polymers with broad molecular weight distribution.

A novel imidazole-platinum catalyst complex immobilizes within silicone elastomers to maintain consistent viscosity during hydrosilylation reactions.

Pd-catalyzed carbonylation of 1-bromo-1-fluoroethene with alcohols yields high-purity alpha-fluoroacrylic acid esters while minimizing by-product formation.

Dual carbonate salts modulate catalyst activity to resolve the trade-off between rapid curing speed and short pot life in high solids coatings.

Sequential addition of reagents with in-situ generated formic acid eliminates multi-step complexity while achieving high conversion efficiency.

Replacing toxic tin catalysts with zirconium acetylacetonate enables high conversion rates exceeding 90% in polysiloxane synthesis.

Phosphorous chain transfer agent regulates molecular weight and imparts flame retardancy to poly(alkylene carbonate) during copolymerization.

Peroxide addition oxidizes degraded rhodium clusters and phosphine ligands, restoring reaction rate and selectivity without full replacement.

Doping the catalyst with non-Group IV metal chlorides broadens molecular weight distribution, improving melt strength without sacrificing activity.

Phosphorus-functionalized polymers bind transition metals with high specificity and stability across wide pH ranges.

Replacing toxic tin catalysts with titanium carboxylate and amine combinations improves curing stability and adhesion without endocrine disruption risks.

A catalytic asymmetric 1,3-dipolar cycloaddition reaction using ketimine and a chiral Lewis acid catalyst to produce tricyclic dispiroindole compounds.

Bulky phosphinimine ligands restrict bond rotation to enable temperature-dependent microstructure control in ethylene copolymers.

Aluminum halide catalysts combined with water eliminate residual fluorine contamination while maintaining high exo-olefinic end-group content.

Sulfur additives enhance platinum catalyst activity, reducing loading while maintaining rapid cure speed and improved coating gloss.

Latent metal compounds replace toxic mercury catalysts to achieve selective polyurethane synthesis with near-complete conversion.

Replacing halogenated Lewis acids with organometal catalysts eliminates toxic byproducts and simplifies purification during butene oligomer production.

Replacing toxic tin catalysts, a titanium-ligand complex enables REACH-compliant curing of polyorganosiloxane sealants and coatings.

Asymmetric Mn4CaO4 core synthesis replaces noble metals to resolve high preparation cost and environmental pollution in artificial water splitting.

Benzindenyl hafnium and zirconium compounds polymerize olefins to produce vinyl-terminated oligomers with controlled molecular weights.

A two-stage oligomerization process shifts olefin distribution to produce middle distillate bases.

Ziegler-Natta catalyst eliminates peroxide residues to reduce odour while maintaining stiffness in thin-walled packaging.

Single thread composite fiber captures and degrades toxic agents using high catalyst loading.

A tetradentate triorganophosphine ligand coordinates with rhodium to produce aldehydes with high linear branched ratios.

A nickel catalyst with phosphine and Lewis base ligands produces 1-butene from ethylene.

Steam replaces flammable organic fluids to boost heat transfer efficiency while eliminating fire hazards.

Homogeneous titanium catalyst enables mild double bond saturation in conjugated diene polymers.

Dimethyl ether exchanges with pore solvents in metal-organic frameworks for low-temperature vacuum removal.

Segmented pre-catalyst storage prevents rapid degradation of chromium-based systems, extending shelf life while maintaining high 1-hexene selectivity.