A magnesium halide, titanium halide, and 1,3-diether catalyst component raises olefin polymer isotacticity and crystallinity without phthalates.
A staged alcoholysis and condensation route cuts resin manufacturing time and energy use while preserving strength and reusing waste polycarbonate.
A staged alcoholysis, etherification, and condensation route cuts resin processing time and energy while preserving mechanical strength.
Excess hygroscopic base drives alkoxide conversion while liquid-liquid extraction removes water-soluble impurities.
A phase transfer catalyst system accelerates the reaction between 4-chlorobenzyl chloride and propargyl alcohol to produce high-purity ether.
A biphase reaction system combines phenol and haloalcohol using a phase-transfer catalyst to produce alcohol compounds efficiently.