1·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.
本文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。
2·The main problems met in the course of the development of the EF Bonding Agent and the main mechanical property, rheological properties and usage are also discussed.
讨论了这种EF型粘合剂研制过程中遇到的主要问题,并介绍了它们的主要力学性能、流变性能和使用方法。