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
酚醛树脂
过程,首先是羟甲基发生缩
反应,缩反应形成醚键是主要。
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.
结果表明热酚醛树脂过程,首先是羟甲基发生缩反应,缩反应形成醚键是主要。
声明：以上例
、词
分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
