A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .
苯酚与甲醛在碱性条件下经加成、缩合制得可发性酚醛树脂，该树脂和表面活性
、发泡、固化一起发泡即得酚醛泡沫塑料。
、词性分类均由互联网资
生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
