发明名称 Method for storing xylylenediamine
摘要 A solid xylylenediamine solidified in a container is extremely excellent in storage stability as compared with a liquid xylylenediamine, and is less degraded by discoloration even when stored in an atmosphere containing oxygen. By charging a liquid xylylenediamine into a container, solidifying the liquid xylylenediamine into a solid xylylenediamine in the container under cooling without delay after the charging, and storing the solid xylylenediamine in the container while maintaining the xylylenediamine in a solid state, the xylylenediamine is stored for a long period of time without causing deterioration of quality such as discoloration.
申请公布号 US7588721(B2) 申请公布日期 2009.09.15
申请号 US20070846873 申请日期 2007.08.29
申请人 MITSUBISHI GAS CHEMICAL COMPANY, INC. 发明人 TANAKA KAZUMI;AMAKAWA KAZUHIKO
分类号 B01J19/06;C07C211/27;C07C209/90;C07C211/09 主分类号 B01J19/06
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