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Highly selective Brønsted acid catalyst optimized for esterification and transesterification reactions.
Thermally stable up to 200 °C, enabling compatibility with elevated-temperature industrial processes.
Low volatility and non-corrosive to standard stainless-steel reactor equipment.
Water-tolerant performance, maintaining catalytic activity in moisture-containing reaction systems.
Easily separable from reaction mixtures via simple filtration or phase separation.
Biodiesel production via transesterification of triglycerides with methanol.
Synthesis of plasticizers such as dioctyl phthalate (DOP) and diisononyl phthalate (DINP).
Polyester resin manufacturing for coatings, adhesives, and composites.
Catalysis of acetal and ketal formation in fine chemical intermediates.
Production of biodegradable polyesters including poly(lactic acid) (PLA) prepolymers.
| Chemical Type | Sulfonated aromatic polymer |
| Product Form | Free-flowing beige to light brown granular solid |
| Appearance | Granules, 0.5–2.0 mm nominal diameter |
| Acid Capacity | ≥ 4.2 mmol H⁺/g (by NaOH titration) |
| Moisture Content | ≤ 1.5 wt% (Karl Fischer) |
| Thermal Stability | Onset decomposition > 220 °C (TGA, air) |
| Primary Applications | Esterification, transesterification, condensation polymerization |
| Key Features | Heterogeneous, recyclable, low leaching, FDA-compliant for indirect food-contact applications (as per 21 CFR 173.350) |
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
