Cardanol modified phenolic formaldehyde resin was synthesized by using phenol 100 PHR, cardanol 40 PHR and adding an additive agent.

用100份苯酚(以质量计)，加入40份腰果酚，并加入一种助剂合成腰果酚改性酚醛树脂。

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A new thermosetting modified phenolic resin by tung oil has been made through reaction between tung oil and phenol in condition of acid and then react to formaldehyde in condition of basicity.

通过桐油与苯酚在酸性催化剂存在下反应，然后再在碱性催化剂存在与甲醛反应制得了一种热固性桐油改性酚醛树脂。

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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.

苯酚、苯基苯酚、尿素与甲醛的反应产物进一步与糖醇缩聚生成新型铸造用改性酚醛树脂粘结剂。

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