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 .
苯酚与甲性条件下经加成、缩合制得可发性酚
树脂,该树脂和
面活性剂、发泡剂、固化剂一起发泡即得酚
泡沫塑料。