• 苯酚苯基苯酚尿素甲醛反应产物进一步与糖缩聚生成新型铸造改性酚醛树脂粘结剂

    A new type of phenolic resin adhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol, phenylphenol, urea and formaldehyde.

    youdao

  • 苯酚苯基苯酚尿素甲醛反应产物进一步与糖缩聚生成新型铸造改性酚醛树脂粘结剂

    A new type of phenolic resin adhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol, phenylphenol, urea and formaldehyde.

    youdao

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