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 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