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
在碱性条件下经加成、缩合制
性酚树脂，该树脂和表面活性
、
、固化一起即酚
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 .
苯酚与甲在碱性条件下经加成、缩合制性酚树脂，该树脂和表面活性、、固化一起即酚塑料。
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