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
在碱性条件下经加成、缩合制
可发性
脂，该脂和表面活性
、发
、固化一起发
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 .
苯与甲在碱性条件下经加成、缩合制可发性脂，该脂和表面活性、发、固化一起发沫塑料。
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