• 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木素苯酚甲醛缩合制取结构材料粘合剂方法

    youdao

  • 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木素苯酚甲醛缩合制取结构材料粘合剂方法

    youdao

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