发明授权
- 专利标题: Process for the production of azodicarbonamide
- 专利标题(中): 制备偶氮二甲酰胺的方法
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申请号: US731477申请日: 1976-10-12
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公开(公告)号: US4088643A公开(公告)日: 1978-05-09
- 发明人: Siegfried Bohm , Karlfried Wedemeyer
- 申请人: Siegfried Bohm , Karlfried Wedemeyer
- 申请人地址: DT Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DT Leverkusen
- 优先权: DT2548592 19751030
- 主分类号: C07B61/00
- IPC分类号: C07B61/00 ; B01J27/00 ; C01B7/00 ; C07C20060101 ; C07C67/00 ; C07C239/00 ; C07C281/20 ; C07C107/02
摘要:
A process for the preparation of azodicarbonamide by oxidation of hydrazodicarbonamide in an aqueous suspension containing hydrogen peroxide wherein the reaction is carried out in the presence of iodine at a temperature between 50.degree. and 95.degree. C. while the reaction mixture has a pH ranging from 1.0 to 5.0.
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