发明名称 |
METHOD FOR PURIFYING 1,4-DIAMINOBUTANE, 1,4-DIAMINOBUTANE PURIFIED BY SAID METHOD, AND POLYAMIDE PREPARED THEREFROM |
摘要 |
A purification method of 1,4-diaminobutane, 1,4-diaminobutane purified using the purification method, and a polyamide prepared using the purified 1,4-diaminobutane are provided. The purification method of 1,4-diaminobutane includes: concentrating a fermentation solution including at least one of 1,4-diaminobutane and a salt thereof to obtain a concentrate; adding a base to the concentrate of the fermentation solution to prepare an basic composition having a pH 12 or higher; and recovering 1,4-diaminobutane from the basic composition. |
申请公布号 |
US2015284315(A1) |
申请公布日期 |
2015.10.08 |
申请号 |
US201314437172 |
申请日期 |
2013.10.22 |
申请人 |
CJ CHEILJEDANG CORP. |
发明人 |
Gwak Won Sik;Seo Yong Bum;Lee Chong Ho;Lee In Sung;Murata Hideki |
分类号 |
C07C209/84;C07C211/09 |
主分类号 |
C07C209/84 |
代理机构 |
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代理人 |
|
主权项 |
1. A method of purifying 1,4-diaminobutane, the method comprising:
concentrating a fermentation solution comprising at least one of 1,4-diaminobutane and a salt thereof to obtain a concentrate; adding a base to the concentrate of the fermentation solution to prepare an basic composition having a pH 12 or higher; and recovering 1,4-diaminobutane from the basic composition. |
地址 |
Seoul KR |