发明名称 |
Purification of bio-based acrylic acid to crude and glacial acrylic acid |
摘要 |
Processes for the purification of bio-based acrylic acid to crude and glacial acrylic acid are provided. The bio-based acrylic acid is produced from hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof. The purification includes some or all of the following processes: extraction, drying, distillation, and melt crystallization. The produced glacial or crude acrylic acid contains hydroxypropionic, hydroxypropionic acid derivatives, or mixtures thereof as an impurity. |
申请公布号 |
AU2013245853(B2) |
申请公布日期 |
2016.06.02 |
申请号 |
AU20130245853 |
申请日期 |
2013.04.11 |
申请人 |
THE PROCTER & GAMBLE COMPANY |
发明人 |
GODLEWSKI, JANE ELLEN;LINGOES, JANETTE VILLALOBOS;VELASQUEZ, JUAN ESTEBAN;COLLIAS, DIMITRIS IOANNIS |
分类号 |
C07C51/377;C07C51/48;C07C57/04 |
主分类号 |
C07C51/377 |
代理机构 |
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代理人 |
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主权项 |
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