Formaldehyde → Resorcinol-formaldehyde resin
反応式
[C:1]1([CH:8]=[CH:7][CH:6]=[C:4]([OH:5])[CH:3]=1)[OH:2].[CH2:9]=[O:10].S([O-])([O-])(=O)=O.[Na+].[Na+]>O>[C:1]1([CH:8]=[CH:7][CH:6]=[C:4]([OH:5])[CH:3]=1)[OH:2].[CH2:9]=[O:10]参加物
5
実験手順
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.
後処理
- temperatureheated
- customthe reaction was terminated by the addition of a large volume of cold water
- filtrationThe precipitate was filtered off
- washwashed with water
- customdried at room temperature
出典と根拠
- ORDレコード
- ord-cb22001293ca4c5793f6fe42a7fa05be
- 出典データセット
- uspto-grants-1981_03
- 特許番号
- US04254244
反応ノート
読み込み中…