A new syntan product prepared with tar phenol and lignin sulfonic acid.
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
The methods for preparing plywood adhesive by condensing phenol and formaldehyde with alkaline lignin in waste water are described.
叙述了利用碱法制浆废液中的碱木素同苯酚，甲醛缩合制取结构材料粘合剂的方法。
3
The methods for preparing structural material bonding agent by condensing the alkaline lignin in the wast liquor of soda pulping process with formaldehyde and phenol are described.