Organic-Compounds/Hydrides/Coordination-Complexes Catalysts TRIZ Cases
- Ruthenium Alkylidene Catalysts for Homogeneous Cycloolefin Polymerization
Asymmetric ruthenium alkylidene complexes enable homogeneous cycloolefin polymerization without organic solvents, resolving strength and precision trade-offs.
- Metal-Ligand Catalysts for Tin-Free Condensation Reactions
Replacing tin catalysts with a metal-ligand complex satisfies REACH regulations while maintaining reaction efficiency.
- Beta-diketiminate Manganese Catalysts for Hydrosilylation
Replacing precious metals with beta-diketiminate manganese catalysts reduces toxicity and purification costs while maintaining high catalytic activity.
- Direct Suzuki Coupling of Unprotected 4-Amino-6-Chloropicolinate
Direct Suzuki coupling of unprotected 4-amino-6-chloropicolinate derivatives eliminates protection steps and reduces expensive palladium catalyst usage.
- Hydrolysis Catalyst Ligand Ratio Control
Selective hydrolysis of phosphite ligands optimizes monodentate and bidentate concentrations to enhance adiponitrile yield.
- Heterocyclic Catalyst Copolymerization of Ethylene and Diene
Five-membered heterocyclic ligand modifies catalyst selectivity to balance monomer reactivity ratios for optimal elastomeric composition.
- Bioalcohol Dehydration Catalyst Selectivity
Water-tolerant metal oxide catalysts dehydrate bioalcohols to terminal alkenes, maintaining 92-99% regioselectivity despite feed impurities.
- Encapsulated Catalyst for Emulsion Polymerization
Block copolymer encapsulation shields water-sensitive catalysts from aqueous environments, enabling stable emulsion polymerization.
- Polyisocyanurate Foam Catalyst System for Formic Acid Blowing
A metal salt and amine catalyst combination resolves slow hardening and surface defects in formic-acid-blown polyisocyanurate rigid foams.
- Iron Complex Catalysts for Polyolefin Molecular Weight Control
Iron complexes with pyridine ligands resolve trade-offs between heteroatom tolerance and catalytic activity to produce controlled polyolefins.
- Chromium Catalyst Activator Selectivity for Oligomerization
Modified methylaluminoxane activates chromium complexes to drive selective ethylene oligomerization, preventing polyethylene fouling.
- Photocatalyst Coating Composition for Organic Substrate Protection
A photocatalyst layer combines titanium oxide with inorganic oxide particles to decompose noxious gases while protecting organic substrates from corrosion.
- Bio-based LPG Production via Fermentation and Catalytic Conversion
Fermentation of gaseous substrates produces alcohols that catalysts convert to propane and butane, resolving low yield limits from waste oil availability.
- Solid Titanium Catalyst Component for Ethylene Polymerization
A solid titanium catalyst component combines liquid magnesium and titanium compounds with specific electron donors to drive ethylene polymerization.
- Dicarbonate Internal Donors for Polypropylene Catalysts
Replacing phthalate esters with cyclic dicarbonates eliminates health risks while boosting isotacticity and melting temperature in polypropylene production.