Initial heating of the phenol and formaldehyde (in the presence of an acid or base to get the reaction going) produced a shellac-like liquid good for coating surfaces like a varnish.
开始加热，酚和甲醛(需有酸或碱促使其反应进行)便产生了像紫胶样的液体，能像清漆一样涂于物体表面。
With it, be was able to control the formaldehyde phenol phenol reaction with more finesse than had anyone before him.
有了这个容器，他能比所有前人更加细微地控制甲醛-酚的反应。
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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