以1,2 -丙二醇醇解废旧聚氨酯得到多元醇混合物和胺类化合物，红外光谱法分析了多元醇混合物。
Polyurethane foam wastes were recycled by alcoholysis with 1, 2-propanediol. Polyol and amine compound were gained. Polyol compound was analyzed by infrared spectrum.
分析了催化剂、醇解温度、反应物浓度等对醇解度的影响。
The effect of the reaction time, temperature, the concentration of reactant and catalyst on the alcoholysis process were investigated.
以聚酯生产中产生的下脚料——乙二醇残渣(主要含PET低聚物)为原料，采用辛醇合并醇解、酯交换一步法工艺，合成了增塑剂DOTP。
Plasticizer DOTP was prepared from ethylene glycol residue (major component is PET low polymer) using single step process in which alcoholysis and ester interchange were combined.
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