Asymmetrical hafnium metallocene catalysts enable polyolefin films with reverse comonomer distribution and better film processability.
Aromatic polymer supports strengthen metal bonding to improve alkyne-to-alkene selectivity and resist deactivation across a wide temperature range.
Strong bonding between a polymer support and fine metal particles improves alkyne hydrogenation selectivity while limiting deactivation and coke formation.
Bulky adamantyl phosphinimine ligands stabilize zirconium and hafnium catalyst centers to improve ethylene alpha-olefin copolymerization.
Visible-light thiazolothiazole photocatalysts enable single-electron coupling with low catalyst loading, reducing metal catalyst cost and toxicity.
A mixing-nozzle DMC catalyst process boosts activity, lowers polyol viscosity, and cuts catalyst loading for simpler, lower-cost production.
A titanium compound and ammonium hydroxide complex keeps moisture-curable polymer curing fast and stable without tin-related safety concerns.
Carbon monoxide volatilizes iron catalyst after CO2 oxidation removes amorphous carbon, purifying nanotubes without high-temperature damage.
Supramolecular iron phthalocyanine and chiral diammonium catalysts improve air-stable C-H amination with better site- and enantioselectivity.
A water-based fluorine resin paint combines fluorine powder, oil, and titanium dioxide to cut flammability while sustaining water repellency and weather resistance.
Removing generated HCl during ligand synthesis with porous microsphere catalysts improves selectivity and yield while simplifying filtration and recycling.