HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Formaldehyde → Resorcinol-formaldehyde resin
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Formaldehyde | HCID 712 | — |
| Edukt | Resorcinol | HCID 5054 | — |
| Edukt | Sodium Sulfate | HCID 24436 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | Resorcinol-formaldehyde resin | HCID 159980 | — |
Reaktionsschritte
Resorcinol, excess formaldehyde, and sodium sulphate were dissolved in water and heated with stirring on a water bath. As soon as the solution became cloudy, the reaction was terminated by the addition of a large volume of cold water. The precipitate was filtered off, washed with water, and dried at room temperature.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04254244 |
| Quelldatensatz | uspto-grants-1981_03 |
| ORD ID | ord-cb22001293ca4c5793f6fe42a7fa05be |
| Quellennotiz | uspto-grants-1981_03 |