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、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。
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、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。
声:例句、词性分类均由互联网资源自动生,部分未过人工审核,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。