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Highly selective catalytic functionality for esterification and transesterification reactions.
Sulfonic acid functional groups grafted onto a macroreticular polystyrene-divinylbenzene matrix ensure excellent thermal and mechanical stability.
Low swelling ratio in polar and non-polar solvents enables consistent performance across diverse reaction media.
Reusability over ≥50 reaction cycles with minimal activity loss under optimized regeneration protocols.
Low leaching of active sites (<0.02 mmol H⁺/g resin per cycle), ensuring product purity and catalyst longevity.
Biodiesel production via continuous-flow transesterification of vegetable oils and waste cooking oil.
Synthesis of high-value flavor and fragrance esters (e.g., isoamyl acetate, citronellyl acetate) under mild conditions.
Catalytic dehydration of alcohols to ethers in pharmaceutical intermediate manufacturing.
Acid-catalyzed condensation reactions in fine chemical synthesis, including acetal and ketal formation.
| Chemical Type | Sulfonated macroreticular strong acid cation exchange resin |
| Product Form | Moist, spherical beads (H⁺ form) |
| Appearance | Opaque amber to brown beads |
| Functional Group | –SO₃H (sulfonic acid) |
| Ion Exchange Capacity | ≥4.8 mmol H⁺/g (dry basis) |
| Moisture Content | 45–55% (as shipped) |
| Particle Size Range | 0.3–1.2 mm (≥95% retained on 16–60 mesh screens) |
| Maximum Operating Temperature | 120 °C (short-term); 100 °C (continuous) |
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
