Organic-Compounds/Hydrides/Coordination-Complexes Catalysts TRIZ Cases
- Aromatic Hydrocarbon Oligomerization for Narrow Molecular Weight Control
Chloroaluminate ionic liquid catalysis in a chlorinated solvent system suppresses side reactions and yields uniform oligomers for stable mesophase pitch spinning.
- Quinoxaline Derivative Synthesis for Industrial Chiral Production
A segmented asymmetric reduction and condensation route improves industrial quinoxaline production while preserving optical purity and crystal quality.
- Crosslinked Polyurethane Reprocessing With Non-Tin Exchange Catalysts
Non-tin Lewis acidic catalysts enable solvent-free reprocessing of crosslinked polyurethane while avoiding DBTDL toxicity and preserving material properties.
- Iron Phthalocyanine Catalysts for Enantioselective C-H Amination
Supramolecular iron catalysts with chiral diammonium templates improve C-H amination stability, site selectivity, and enantioselectivity.
- Boron Hydroprocessing Catalysts With Stable Pore Structure
A boron-chelate impregnation route raises boron loading in hydroprocessing catalysts while limiting elution and macropore formation.
- Titanium-Ammonium Curing Catalyst for Stable Moisture-Curable Polymers
A titanium-ammonium hydroxide complex speeds curing of hydrolyzable silicon polymers while reducing toxicity and humidity-driven instability.
- Selective Oxide Film Growth on Insulating Films Without Corrosion
A halogen-free precursor, oxidizing agent, and catalyst enable non-plasma oxide growth on insulating films while limiting conductive film corrosion.
- Hafnium Ligand Catalyst for Living Olefin Block Copolymerization
Bulky hafnium ligand catalysts suppress beta-elimination during CCTP, enabling stable living olefin polymerization and block copolymer synthesis.
- Chromium Phosphate Catalyst Composition for Selective Olefin Oligomerization
A chromium phosphate catalyst with ligating compound and cocatalyst boosts 1-hexene and 1-octene selectivity while reducing byproducts.
- Metal-Oxo Catalyst Solution for Mold Release and Filling
A metal-oxo catalyst solution with MoOCl4 or WOCl4 improves mold releasability and filling properties in polymerizable compositions.
- Double Metal Cyanide Catalyst for Higher CO2 Polycarbonate Incorporation
A cycloalkyl alcohol complexing agent helps double metal cyanide catalysts raise CO2 incorporation while maintaining stable polyalkylene carbonate polymerization.
- Stereoretentive Ruthenium Complexes With Lower-Loading Metathesis Catalysis
Novel NHC and CAAC ruthenium complexes preserve C=C stereochemistry in olefin metathesis while improving thermal stability and reducing catalyst loading.
- Hydroxyl-Tertiary Amine Polymeric Catalyst for Longer Epoxy Open Time
Hydrogen-bonded hydroxyl and tertiary amine groups slow epoxy catalysis, extend open time, and prevent blooming that weakens adhesion.
- ROMP Carbene Catalyst Composition for Uniform Cyclic Olefin Copolymerization
A transition metal carbene catalyst improves ROMP by increasing slower-reacting cyclic olefin comonomer incorporation and distribution uniformity.
- Polyurethane Vitrimerization for Recyclable Thermoset Reprocessing
Organocatalyst-driven carbamate exchange turns crosslinked PU thermosets into reprocessable networks without losing mechanical strength.
- Photocatalytic Alkyne Reduction Using Cobalt Porphyrin Catalysts
Visible-light cobalt porphyrin photocatalysis converts acetylene to ethylene with high selectivity while avoiding heat, precious metals, and hydrogen gas.
- Asymmetrical Metallocene Catalyst for Improved Polymer MWCDI
Asymmetrical metallocenes with an isobutyl cyclopentadienyl ligand improve polymer MWCDI while maintaining catalyst activity for film applications.
- Porous SiC Catalyst Support for Gas-Phase Olefin Hydroformylation
Porous shaped SiC bodies immobilize hydroformylation catalysts, cutting recycling effort, catalyst residues, and support cost for C2-C8 olefins.
- Hydrated Titanium Catalyst Preparation for Water-Tolerant Cr-Silica Supports
An acidic solubilized titanium mixture deposits Ti onto hydrated chromium-silica supports, cutting drying time and cost while preserving catalyst activity.
- Porous Carbon-Supported Copper Catalyst for Dimethyl Carbonate Separation
A nitrogen-doped porous carbon carrier immobilizes copper to raise dimethyl carbonate yield while simplifying catalyst recovery and separation.
- Acidic CO2-to-Methanol Catalysts That Suppress HER
Cationic iminium-modified phthalocyanine catalysts create a hydrophobic CO-rich interface that suppresses HER in acidic CO2-to-methanol electrolysis.