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过程,首先是羟甲基发缩反应,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.

结果表明热固性酚醛树脂的固化过程,首先是羟甲基发生,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.

果表明热固性酚醛树脂的固化过程,首先是羟甲基发缩反应,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过程,首先是羟甲基发生缩,缩醚键是主要的。

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,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。