To obtain Successfully the PF resin, reaction of phenol with tung oil in the presence of catalyst was followed by the reaction with formaldehyde in the presence of alkaline catalyst.
通过桐油和本酚在催化剂存在下反应，然后再在碱性催化剂存在下与甲醛反应成功地制得了一种桐油改性甲阶酚醛树脂。
The research of phenol-formaldehyde (PF) resin modified with lac can be expected to widen the application of the lac and enlarge the utilization of the renewable resource.
研究了对紫胶改性酚醛树脂胶粘剂的固化时间、接胶合板的粘接强度和甲醛释放量进行了测定。
The carbon microfiltration membranes were prepared by pyrolysis of a home-made thermosetting phenol-formaldehyde (PF) resin.
实验合成了球形热固性酚醛树脂微粒，并以此为原料制备了微滤炭膜。
The effects of the ratio of chemical modified soy-adhesive to phenol formaldehyde (PF) resin on the shear strength of plywood were studied.
研究了化学改性豆胶加入酚醛(PF)树脂交联剂后提高胶合板强度的问题。
The effects of the ratio of chemical modified soy-adhesive to phenol formaldehyde (PF) resin on the shear strength of plywood were studied.
研究了化学改性豆胶加入酚醛(PF)树脂交联剂后提高胶合板强度的问题。
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