• 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

    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.

    youdao

  • 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

    The methods for preparing plywood adhesive by condensing phenol and formaldehyde with alkaline lignin in waste water are described.

    youdao

  • 利用碱性条件下化改性麦草代替部分苯酚制备了素/苯酚比例胶粘强度酚醛树脂(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.

    youdao

  • 利用碱性条件下化改性麦草代替部分苯酚制备了素/苯酚比例胶粘强度酚醛树脂(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.

    youdao

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