Perfluoroalkylethyl acrylate
Perfluoroalkylethyl acrylate
CAS: 65605-70-1
Molecular Formula: C6H7F3O2
Perfluoroalkylethyl acrylate - Names and Identifiers
Perfluoroalkylethyl acrylate - Physico-chemical Properties
| Molecular Formula | C6H7F3O2 |
| Molar Mass | 168.1137896 |
Perfluoroalkylethyl acrylate - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | perfluoroalkyl ethyl acrylate is an important monomer for the synthesis of fluoropolymers and a key step in the synthesis of fluorinated finishing agents. The long-chain fluoroalkyl acrylate obtained by the polymerization of perfluoroalkyl ethyl acrylate monomers is an important fluorine-containing finishing agent, which is widely used in the waterproof and oil-repellent treatment of fabrics, leather and paper. |
| Uses | Perfluoroalkylethyl acrylate is a polymer that can be used as an important monomer for the synthesis of fluoropolymers. |
| preparation | perfluoroalkyl ethyl acrylate was synthesized with p-toluenesulfonic acid as catalyst. through orthogonal experiment design, the influence of various factors on the synthesis yield was investigated, and the optimal reaction conditions were determined. under these conditions, the esterification rate can reach 84.6, which is greatly improved compared with the yield of about 70 generally achieved with concentrated sulfuric acid as catalyst. The specific steps are as follows: add polyfluoroalcohol, acrylic acid, and solvent to the dry four-neck bottle equipped with a stirrer, a reflux condenser, a thermometer and a water separator. After stirring evenly, add p-toluenesulfonic acid, N: under protection, and heat up To reflux, react for a period of time until the water collected in the water separator reaches the theoretical amount. The solvent and excess acrylic acid were distilled, and 5% (mass fraction) sodium bicarbonate solution was added dropwise to the cooled reaction solution until the pH was about 7~8. Filter to get milky white solid. After vacuum drying, vacuum distillation was carried out to collect the products at 82~134°C at 199.3Pa. |
Last Update：2024-04-10 22:29:15
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