发明授权
US4626319A Process for the delignification and acid bleaching of cellulose with
oxygen and hydrogen peroxide
失效
纤维素与氧气和过氧化氢的脱木质素和酸性漂白的方法
- 专利标题： Process for the delignification and acid bleaching of cellulose with oxygen and hydrogen peroxide
- 专利标题（中）： 纤维素与氧气和过氧化氢的脱木质素和酸性漂白的方法
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申请号： US757242申请日： 1985-07-22
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公开(公告)号： US4626319A公开(公告)日： 1986-12-02
- 发明人: Horst Kruger , Hans-Ulrich Suss , Gerhard Arnold , Sigrid Anspach , Ursula Schwartzkopff , Hans Jelitto
- 申请人： Horst Kruger , Hans-Ulrich Suss , Gerhard Arnold , Sigrid Anspach , Ursula Schwartzkopff , Hans Jelitto
- 申请人地址： DEX Frankfurt am Main
- 专利权人： Degussa Aktiengesellschaft
- 当前专利权人： Degussa Aktiengesellschaft
- 当前专利权人地址： DEX Frankfurt am Main
- 优先权： DEX3428352 19840801
- 主分类号： D21C9/10
- IPC分类号： D21C9/10 ; D21C9/16
摘要：
A process for the delignification and bleaching of cellulose with oxygen and hydrogen peroxide, in which in a given case the delignification is carried out with oxygen in the presence of MgO, and the cellulose subsequently is bleached simultaneously with hydrogen peroxide and oxygen at a pH
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