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.
结果表明热性酚醛树脂的
程,首先是羟甲基发
缩合反应,缩合反应
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.
结果表明热性酚醛树脂的
程,首先是羟甲基发
缩合反应,缩合反应
键是主要的。
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