CAS: 24108-89-2; C.I. Pigment Red 123

上下游产品

CAS号128-69-8 3,4,9,10-四羧酸酐 | CAS号156-43-4 对氨基苯乙醚

N-(4-Ethoxyphenyl)-1,8-Naphthalimide置于n-甲基咪唑,Potassium Ethoxide,1,8-二氮杂双环[5.4.0]十一碳-7-烯体系中,化学反应 10.0H,以94%的收率获得颜料红123
参考文献:一种苝系颜料的制备方法
标题:一种苝系颜料的制备方法
摘要:本发明提供一种苝系颜料的制备方法,是采用n‑取代‑1,8‑萘酰亚胺为起始原料,以n‑甲基咪唑与dbu或n‑甲基咪唑与dbn的混合溶剂为反应介质,醇钠或醇钾为催化剂,经130‑170oc反应3‑10小时,反应结束后,反应体系降温,减压浓缩,回收反应溶剂,收集产物制得苝系颜料.制备的苝系颜料色力高,颜色鲜艳,分散性好,且此工艺简单,耗时短,反应温度低,减少强碱和浓硫酸使用,降低了生产成本,减少废水和固废排放.

专利信息

专利号:US-8551237-B2
优先权日:2007-12-10
标 题 :Synthesis of colorants in mixing apparatus
发明人：LOEBEL JOHANNES
权利人:LOEBEL JOHANNES; BASF SE
摘要:A process for preparing colorants of the general formula (Ia), (Ib) or (Ic) n nor mixtures thereof, comprises reactingn (a) tetracarboxylic acids or their functional derivatives with (b) at least one compound selected fromn i. aliphatic amines, ii. aromatic amines, iii. aliphatic diamines, iv. aromatic diamines, n (c) optionally in the presence of further additives, (d) optionally in the presence of wetting agentsn nin a mixing apparatus. These colorants are useful for coloration of macromolecular organic and inorganic materials of natural and synthetic origin.

专利号:WO-2009074504-A2
优先权日:2007-12-10
标 题:Synthesis of dyes in mixing units

专利号:EP-2235112-B1
优先权日:2007-12-10
标 题:Synthesis of dyes in mixing units

专利号:US-2010242792-A1
优先权日:2007-12-10
标 题:Synthesis of colorants in mixing apparatus