通过比较木素磺酸盐和模型物接枝前后酚羟基的含量和碱性硝基苯氧化产物得率的变化，对接枝反应位置进行了研究。
The graft site was studied by comparing the phenolic contents, yields of alkaline nitrobenzene oxidation products of lignosulfonates, model compounds and their copolymers.
结果表明，碱性亚硫酸钠法蒸煮脱木素率比较高（比NS法和HS法高，低于KP法）。
The results show that the delignification rate is higher for alkaline sulfite cooking (higher than NS and HS, lower than KP) .
利用碱性条件下酚化改性的麦草碱木素代替部分苯酚制备了高木质素/苯酚比例和胶粘强度高的木质素酚醛树脂（LPF）胶粘剂。
The lignin-based phenol formaldehyde (LPF) adhesive with high ratio of lignin to phenol and strong adhesive was prepared by using the wheat straw soda lignin (WSSL) phenolated in alkaline medium.
利用碱性条件下酚化改性的麦草碱木素代替部分苯酚制备了高木质素/苯酚比例和胶粘强度高的木质素酚醛树脂（LPF）胶粘剂。
The lignin-based phenol formaldehyde (LPF) adhesive with high ratio of lignin to phenol and strong adhesive was prepared by using the wheat straw soda lignin (WSSL) phenolated in alkaline medium.
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