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

This case shows how ligand structure and reaction conditions raise ester yield in palladium-catalyzed alkoxycarbonylation, reaching 62%.

A hydrocarbon-dispersed molybdenum amine catalyst boosts coal and asphaltene conversion while preserving comparable oil yield.

This case uses a catalyst/ligand complex with pH and oxygen control agents to stabilize kinetics for uniform surface polymers.

This staged process uses alkoxidation and silane end-capping to improve resin viscosity, adhesion, paintability, and weather resistance.

Sized catalyst supports reduce fines and fouling in fluidized-bed polyethylene reactors.

This case uses alkyl-substituted picolyl ligands with palladium complexes to improve ester formation from olefins.

This case combines a RuP complex with graphitic carbon nitride to improve charge separation, hydrogen yield, and visible-light stability.

This case uses a defined transition metal compound to favor vinyl over vinylidene end groups and improve polypropylene melt strength.

A phosphorus-modified palladium catalyst improves selectivity while reducing chromium pollution.

A cis-configured PNP ligand and organoaluminum co-catalyst improve 1-octene selectivity while suppressing polymer fouling.

A single reactor combines dehydrogenation, metathesis, and isomerization catalysts to improve alkene selectivity and reduce energy demand.

Chiral phosphoric acid enables cost-efficient, high-enantioselectivity spirocyclic synthesis.

Silver-catalyzed rubber functionalization avoids chain scission and cross-linking.

Ionic-liquid-functionalized silica supports tungsten Keggin acid, enabling dual catalytic activity, selective transformations, and catalyst reuse.

Titanate-aluminum catalysts curb polymer fouling while sustaining ethylene oligomerization.

This catalyst combines oxynitride-hydride supports with transition metals to sustain ammonia activity at lower temperatures and pressures.

Transition metals on perovskite oxynitride hydrides improve ammonia synthesis activity and stability at lower temperatures and pressures.

Iron catalysts and alkali compounds in ceramic FC-CVD tubes balance carbon nanotube purity, yield, and reaction tube durability.

This case combines alkaline hydrolysis, an accelerator, and ferric chloride to improve microplastic removal and resource utilization.

Composite catalyst accelerates fuel propagation for cleaner, more efficient combustion.

This case uses functionalized polymers to improve metal dispersion without sacrificing intrinsic activity in hydrotreating catalysts.

This case uses trans-substituted diphosphites with rhodium catalysts to raise aldehyde yield in olefin hydroformylation.

This case combines a hafnium center with bulky pincer ligands to support stable CCTP and high-molecular-weight block copolymers.

This reusable catalyst combines ionic liquid and tungsten polyoxometalate on mesoporous silica for multiple transformations in one stage.

Amorphous alumina catalyst incorporates C1-C4 dialkyl succinate and citric acid to form Keggin heteropolyanions for enhanced hydrodesulphurizing activity.

Feeds supported phosphinimine catalyst as a liquid slurry to alter polymerization kinetics and reduce reactor fouling.

Replacing metal catalysts with organic thiourea systems eliminates environmental pollution while maintaining high catalytic activity and yield.

Gas-phase sulfidation stabilizes a bulk metallic catalyst, resolving the contradiction between high desulfurization activity and long-term structural integrity.

A phosphinimine catalyst system on a zirconium-treated support stabilizes kinetic profiles during olefin polymerization.

An additive-enhanced chiral iridium catalyst achieves high conversion and enantioselectivity, eliminating multi-step purification.

Homogenous cerium catalyst composition enhances LPG combustion kinetics to increase flame temperature.

Aliphatic solvent processing eliminates aromatic contamination in supported alumoxane while maintaining high catalytic activity.

Earth-abundant metal catalysts replace rare platinum group metals to remove chlorate and perchlorate from water without generating harmful chemical waste.

Phospholane-phosphite ligands maintain iso-selectivity above 55% at elevated temperatures, resolving thermal stability trade-offs.

Metal complexes react with deactivated ionic liquid catalysts to extract conjunct polymers for efficient regeneration.

Platinum phosphite complexes enable controlled hydrosilylation, resolving the trade-off between extended pot life and rapid curing speed.

Sodium hydride lithiation of biphenyl compounds produces high purity boronic anhydride intermediates for metallocene synthesis.

Bacteriorhodopsin proton pumps inject photoexcited electrons into semiconductor nanoparticles to drive photocatalytic hydrogen evolution.

Multi-metallic catalyst precursor shaped and heat treated to minimize residual geometric volume shrinkage below ten percent.

Thiophene-fused cyclopentadienyl ligand modifies steric environment to resolve molecular weight versus alpha-olefin incorporation trade-off.

A chromium catalyst system with a chiral P-C-C-P ligand framework produces 1-hexene and 1-octene while suppressing unwanted byproducts.

A chromium compound paired with an NPNPN ligand drives ethylene oligomerization to produce linear alpha olefins.

A binuclear metal catalyst oxidizes halogenated compounds using hydrogen peroxide to break carbon-halogen bonds.

Amine oxides catalyze dialkyl dicarbonate production from alkyl haloformates, preventing product decomposition and improving yield.

Multi-ligand metal complexes reduce metal and oxidant toxicity while increasing fermentable sugar yields from lignocellulosic biomass.

A mixed external electron donor with an activity limiting agent self-limits polymerization to produce high-stiffness propylene polymers.

Zinc compounds reduce polymer formation in chromium catalysts, maintaining process efficiency and preventing plant shut-downs.

A polycycloolefin monomer composition forms transparent optical layers with matched refractive index.

Platinum complexes with ferrocene ligands catalyze ethylenically unsaturated compound reactions to produce esters efficiently.