摘要 |
A process for industrial preparation of trans-1,4-cyclohexanedimethanol of high purity by distilling a mixture of cis- and trans-1,4-cyclohexanedimethanol in the presence of alkali, or by heating a mixture of cis- and trans-1,4-cyclohexanedimethanol in the presence of alkali and then distilling the heated mixture, and a process for preparing powdered trans-1,4-cyclohexanedimethanol by pulverizing the distillate obtained above. |
申请人 |
TOWA CHEMICAL INDUSTRY CO., LTD., TOKIO/TOKYO, JP |
发明人 |
TATENO, YOSHIAKI, OMIYA-SHI SAITAMA, 417, JP;YONEDA, SUSUMU, FUJI-SHI SHIZUOKA, 417, JP;OKAMOTO, NAOKI, FUJI-SHI SHIZUOKA, 417, JP;ISHII, YOSHIBUMI, FUJI-CHI SHIZUOKA, 417, JP;KATO, KAZUAKI, KITAKATSUSHIKA-GUN SAITAMA, 342, JP |