A new syntan product prepared with tar phenol and lignin sulfonicacid.
以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂。
2
A new syntan product was prepared with tar phenol and lignin sulfonicacid.
以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂。
3
With p-toluene sulfonicacid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature.