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
与甲
在碱
条件下经加成、缩合制
可发树脂，该树脂和表面活
、发泡、固化一起发泡
泡沫塑料。
塑料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 .
苯与甲在碱条件下经加成、缩合制可发树脂，该树脂和表面活、发泡、固化一起发泡泡沫塑料。
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