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Highly selective Brønsted acid catalyst optimized for esterification and transesterification reactions.
Thermally stable up to 180 °C, enabling robust performance in elevated-temperature batch and continuous processes.
Low volatility and non-corrosive to standard stainless-steel reactor materials (e.g., SS316), reducing equipment maintenance.
Water-tolerant formulation maintains activity in moisture-containing feedstocks without rapid deactivation.
Easy post-reaction removal via mild aqueous wash or simple filtration—no neutralization required.
Biodiesel production via transesterification of vegetable oils and used cooking oil feedstocks.
Synthesis of plasticizers such as dioctyl phthalate (DOP) and diisononyl phthalate (DINP).
Production of specialty esters for fragrances, flavors, and cosmetic emollients.
Catalysis of polycondensation reactions in polyester resin and alkyd binder manufacturing.
Efficient esterification of fatty acids for lubricant additive synthesis.
| Chemical Type | Sulfonated aromatic polymer (solid acid) |
| Product Form | Free-flowing beige to light tan granular solid |
| Appearance | Granules, 0.5–2.0 mm particle size |
| Acid Capacity | ≥4.2 mmol H⁺/g (by NaOH titration) |
| Decomposition Onset Temperature | ≥220 °C (TGA, air atmosphere) |
| Moisture Content | <1.5 wt% (Karl Fischer) |
| Primary Applications | Esterification, transesterification, condensation polymerization |
| Key Features | Heterogeneous, recyclable, non-leaching under standard process conditions |
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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
