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公开(公告)号:US5491235A
公开(公告)日:1996-02-13
申请号:US239180
申请日:1994-05-06
IPC分类号: C09B48/00 , C07D471/04
CPC分类号: C09B48/00
摘要: This invention relates to a process for the preparation of quinacridone pigments comprising(a) heating, at a temperature of about 80.degree. C. to about 145.degree. C., a reaction mixture comprising(i) 2,5-dianilinoterephthalic acid or a 2,5-dianilinoterephthalic acid derivative having one or more substituents in at least one aniline ring,(ii) about 2 to about 10 parts by weight, relative to component (i), of a strong acid, and(iii) at least about 0.4 mole percent, relative to component (i), of iron in the form of an iron salt;(b) drowning the reaction mixture from step (a) by adding said reaction mixture to about 3 to about 15 pads by weight, relative to component (i), of a liquid in which the pigment is substantially insoluble;(c) isolating the quinacridone pigment; and(d) optionally, conditioning the quinacridone pigment.
摘要翻译: 本发明涉及一种制备喹吖啶酮颜料的方法,包括(a)在约80℃至约145℃的温度下加热反应混合物,该反应混合物包含(i)2,5-二苯胺基对苯二甲酸或2 在至少一个苯胺环中具有一个或多个取代基的5-二苯胺基对苯二甲酸衍生物,(ii)相对于组分(i)约2至约10重量份的强酸,和(iii)至少约0.4 相对于组分(i),铁盐形式的铁的摩尔百分数; (b)通过将所述反应混合物相对于组分(i)的重量相对于颜料基本上不溶的液体加入到步骤(a)中来淹没反应混合物; (c)分离喹吖啶酮颜料; 和(d)任选地调节喹吖啶酮颜料。
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公开(公告)号:US5713999A
公开(公告)日:1998-02-03
申请号:US639598
申请日:1996-04-29
IPC分类号: C07D471/04 , C09B48/00 , C09B67/20 , C09B67/22 , C09B67/52
CPC分类号: C09B48/00 , C09B67/0036
摘要: This invention relates to a process for the preparation of quinacridone pigments by (a) heating, at a temperature of about 80.degree. C. to about 145.degree. C., a reaction mixture containing (i) 2,5-dianilinoterephthalic acid, a 2,5-dianilino-3,6-dihydroterephthalic acid ester, and/or a derivative thereof, (ii) about 3 to about 15 parts by weight, per part of component (a)(i), of a dehydrating agent, and (iii) about 0.1 to about 15 percent by weight, based on component (a)(i), of one or more non-quinacridone pigments, with the proviso that if component (a)(i) is a 2,5-dianilino-3,6-dihydroterephthalic acid ester or a derivative thereof, reaction step (a) additionally comprises an oxidation step; (b) drowning the reaction mixture from step (a) by adding said reaction mixture to about 3 to about 15 parts by weight, per part of component (a)(i), of a liquid in which the quinacridone pigment is substantially insoluble; (c) isolating the quinacridone pigment; (d) optionally, conditioning the quinacridone pigment; and (e) optionally, blending the resultant pigment with one or more quinacridone derivatives.
摘要翻译: 本发明涉及通过以下步骤制备喹吖啶酮颜料的方法:(a)在约80℃至约145℃的温度下加热反应混合物,该反应混合物含有(i)2,5-二苯胺基对苯二甲酸,2 ,5-二苯胺基-3,6-二氢对苯二甲酸酯和/或其衍生物,(ii)每份组分(a)(i)约3至约15重量份的脱水剂和( iii)基于组分(a)(i)约0.1至约15重量%的一种或多种非喹吖啶酮颜料,条件是如果组分(a)(i)是2,5-二苯胺基 - 3,6-二氢对苯二甲酸酯或其衍生物,反应步骤(a)还包括氧化步骤; (b)通过将所述反应混合物加入到每份组分(a)(i)中的约3至约15重量份的喹吖啶酮颜料基本上不溶的液体中来淹没来自步骤(a)的反应混合物; (c)分离喹吖啶酮颜料; (d)任选地调节喹吖啶酮颜料; 和(e)任选地,将所得颜料与一种或多种喹吖啶酮衍生物共混。
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公开(公告)号:US5711800A
公开(公告)日:1998-01-27
申请号:US777863
申请日:1996-12-31
IPC分类号: C09B67/20 , C08K5/34 , C08K9/04 , C09B67/22 , C09B67/48 , C09D7/12 , C09D11/00 , C09D11/02 , G03G9/09 , C08K5/22
CPC分类号: C09D11/037 , C09B67/0034 , G03G9/0918 , G03G9/092 , G03G9/0922 , G03G9/0924
摘要: This invention relates to pigment compositions comprising an organic pigment treated with about 0.1 to about 20% by weight, based on the organic pigment, of an N-heteroarylamidomethyl pigment derivative having the formula (I) ##STR1## wherein, Q represents an organic pigment moiety, NHet represents a nitrogen-containing heteroaromatic group attached at a ring nitrogen atom to the carbonyl function of the amidomethyl linking group, and n is from 1 to 4.
摘要翻译: 本发明涉及颜料组合物,其包含以约0.1至约20重量%(以有机颜料计)处理的具有式(I)的N-杂芳基酰胺基甲基颜料衍生物(I)的有机颜料,其中Q表示 有机颜料部分,NHet表示在环氮原子上连接到酰氨基甲基连接基团的羰基官能团的含氮杂芳族基团,n为1至4。
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公开(公告)号:US5496405A
公开(公告)日:1996-03-05
申请号:US349868
申请日:1994-12-06
申请人: Margot Campos , Guenter Franke , Michael J. Greene
发明人: Margot Campos , Guenter Franke , Michael J. Greene
IPC分类号: C07D471/04 , C09B48/00 , C07D221/18 , C07D471/02 , C09B67/52
CPC分类号: C07D471/04 , C09B48/00
摘要: This invention relates to a process for the preparation of quinacridone pigments comprising(a) heating, at a temperature of about 80.degree. C. to about 145.degree. C., a reaction mixture comprising(i) 2,5-dianilinoterephthalic acid or a 2,5-dianilinoterephthalic acid derivative having one or more substituents in at least one aniline ring,(ii) about 2 to about 10 parts by weight, relative to component (a)(i), of a dehydrating agent, and(iii) about 0.01 to about 10 percent by weight, relative to component (a)(i), of a salt other than an iron salt;(b) drowning the reaction mixture from step (a) by adding said reaction mixture to about 3 to about 15 parts by weight, relative to component (a)(i), of a liquid in which the pigment is substantially insoluble;(c) isolating the quinacridone pigment; and(d) optionally, conditioning the quinacridone pigment.
摘要翻译: 本发明涉及一种制备喹吖啶酮颜料的方法,包括(a)在约80℃至约145℃的温度下加热反应混合物,该反应混合物包含(i)2,5-二苯胺基对苯二甲酸或2 在至少一个苯胺环中具有一个或多个取代基的5-二苯胺基对苯二甲酸衍生物,(ii)相对于组分(a)(i)约2至约10重量份的脱水剂,和(iii)约 相对于组分(a)(i),其为除铁盐以外的盐为0.01至约10重量% (b)通过将所述反应混合物相对于组分(a)(i)添加至其中颜料基本上不溶的液体的约3至约15重量份来淹没来自步骤(a)的反应混合物; (c)分离喹吖啶酮颜料; 和(d)任选地调节喹吖啶酮颜料。
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