公开(公告)号：US5707436A

公开(公告)日：1998-01-13

申请号：US412972

申请日：1995-03-29

Applicant: Klaus-Dieter Fritsche ,  Bernd Dorbath ,  Norbert Giesecke ,  Kerstin Ruhnau

Inventor： Klaus-Dieter Fritsche ,  Bernd Dorbath ,  Norbert Giesecke ,  Kerstin Ruhnau

IPC: C04B41/86 ,  C03C1/04 ,  C03C8/14 ,  C09C1/00 ,  C09C1/28 ,  C09C3/06 ,  C09C1/62

CPC classification number: C03C8/14 ,  C03C1/04 ,  C09C1/0078 ,  C09C1/28 ,  C09C3/066 ,  C01P2002/02 ,  C01P2004/84 ,  Y10T428/2993

Abstract: Prior art production of purple pigments based on colloidal gold on stovable/sinterable/fireable support material involves the reduction of a gold compound in the presence of a chemical reducing agent. Purple pigments may be produced more simply according to the invention by intimately mixing and/or grinding the support material and the gold compound in dry form or by bringing an aqueous solution or suspension of a gold compound and a support material into contact and then thermally treating the mixture at a temperature above the decomposition temperature of the gold compound and below the sintering temperature of the support material, wherein the gold compound is converted into colloidal gold.

Abstract translation: 现有技术生产基于可挥发/烧结/可燃/支持材料上胶体金的紫色颜料包括在化学还原剂存在下还原金化合物。 根据本发明可以更简单地制备紫色颜料，通过将干燥形式的载体材料和金化合物紧密混合和/或研磨，或通过使金化合物和载体材料的水溶液或悬浮液接触，然后热处理 所述混合物在高于金化合物的分解温度并低于载体材料的烧结温度的温度下，其中金化合物转化为胶体金。