发明授权
- 专利标题: Reduction of nitrosamine formation in the vulcanization of rubbers
- 专利标题(中): 减少在橡胶制成中的硝基胺形成
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申请号: US681911申请日: 1991-04-08
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公开(公告)号: US5158805A公开(公告)日: 1992-10-27
- 发明人: Rudolf Preussmann , Bertold Spiegelhalder
- 申请人: Rudolf Preussmann , Bertold Spiegelhalder
- 申请人地址: DEX Mannheim
- 专利权人: Rhein Chemie Rheinau GmbH
- 当前专利权人: Rhein Chemie Rheinau GmbH
- 当前专利权人地址: DEX Mannheim
- 优先权: DEX4012797 19900421
- 主分类号: C08K9/00
- IPC分类号: C08K9/00 ; C08K9/02 ; C08K9/04 ; C08L21/00
摘要:
A method for reducing the formation of nitrosamines during the vulcanization of rubber mixes which includes treating of the inorganic additives used for the rubber mix to be vulcanized--primarily carbon blacks, zinc oxide and/or silicates--with ammonia or with a primary amine.
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