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的固化过程,首先是羟甲基发生缩反应,缩反应形醚键是主要的。

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.

结果表明酚醛树脂的化过程,首先是羟甲基发生缩反应,缩反应形成醚键是主要的。

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的固化过程,首先是羟甲基发生缩反应,缩反应形成醚键是主要的。

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的固化,先是羟甲基发生缩反应,缩反应形成醚键是主要的。

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的固化过程,首先羟生缩反应,缩反应形成醚键的。

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的固化过程,首先是羟甲基发生缩反应,缩反应形成醚键是主要的。

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.

结果固性酚醛树脂的固化过程,首先是羟甲基发生缩反应,缩反应形成醚键是主要的。

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.

结果表性酚醛树脂的化过程,首先是羟甲基发生缩反应,缩反应形成醚键是主要的。

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的固化程,首先是羟基发生缩反应,缩反应形成醚键是主要的。