petg共聚聚酯国产化迎突破 一、petg简介及结构式petg,全称叫环己烷二甲醇改性共聚聚酯,是 Pet 合成过程中部分乙二醇被其他二醇 Template




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tomskipetg共聚聚酯国产化迎突破 一、petg简介及结构式petg,全称叫环己烷二甲醇改性共聚聚酯,是 pet coloring