It was shown that the curing process of resoles, at first, proceeded by condensation reaction of methylol groups, and the formation of dimethylene ether linkage was predominant.
结果表明热固性酚醛树脂固化过程,首先羟甲基发生缩合反应,缩合反应形成醚键。
It was shown that the curing process of resoles, at first, proceeded by condensation reaction of methylol groups, and the formation of dimethylene ether linkage was predominant.
结果表明热固性酚醛树脂固化过程,首先羟甲基发生缩合反应,缩合反应形成醚键。
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