Quinacridone mixed-crystal pigments of the gamma phase
    1.
    发明授权
    Quinacridone mixed-crystal pigments of the gamma phase 有权
    喹吖啶酮混合晶体颜料的γ相

    公开(公告)号:US06312512B1

    公开(公告)日:2001-11-06

    申请号:US09482171

    申请日:2000-01-12

    IPC分类号: C09B4800

    摘要: The invention relates to novel quinacridone mixed crystal pigments consisting of a) from 82.5 to 99% by weight of unsubstituted &ggr;-phase quinacridone of the formula (I) in which R1 and R2 are hydrogen atoms and b) from 1 to 17.5% by weight of one or more 2,9- and/or 3,10-substituted quinacridones of the formula (I) in which the substituents R1 and R2 are identical or different and are chlorine, bromine or fluorine atoms or C1-C4-alkyl, C1-C4-alkoxy or carboxamido groups which can be substituted by C1-C6-alkyl groups, and R1 can additionally be a hydrogen atom, and to pigment preparations comprising said quinacridone mixed crystal pigments.

    摘要翻译: 本发明涉及由以下组成的新颖的喹吖啶酮混合晶体颜料:a)82.5-99重量%的式(I)的未取代的γ-相喹吖啶酮,其中R 1和R 2是氢原子,和b)1至17.5重量% 或更多的式(I)的2,9-和/或3,10-取代的喹吖啶酮,其中取代基R 1和R 2相同或不同,并且是氯,溴或氟原子或C 1 -C 4烷基,C 1 -C 4 可以被C1-C6烷基取代的烷氧基或甲酰氨基,R1可以另外是氢原子,以及包含所述喹吖啶酮混合晶体颜料的颜料制剂。

    Process for preparing quinacridone pigments
    2.
    发明授权
    Process for preparing quinacridone pigments 失效
    制备喹吖啶酮颜料的方法

    公开(公告)号:US06241814B1

    公开(公告)日:2001-06-05

    申请号:US09351223

    申请日:1999-07-12

    IPC分类号: C09B4800

    CPC分类号: C09B48/00 C09B67/0036

    摘要: Linear unsubstituted and substituted quinacridone pigments and quinacridone mixed-crystal pigments are obtained by cyclizing dianilinoterephthalic acid with polyphosphoric acid and then hydrolyzing the ring closure mixture, said mixture being metered into an amount of water or orthophosphoric acid which is such that the final orthophosphoric acid concentration is greater than or equal to 50% by weight in the hedrolysis mixture.

    摘要翻译: 线性未取代和取代的喹吖啶酮颜料和喹吖啶酮混合晶体颜料是通过使多苯二酸对苯二甲酸与多磷酸环化,然后水解闭环混合物得到的,所述混合物被计量成一定量的水或正磷酸,使得最终的正磷酸浓度 在溶解混合物中大于或等于50重量%。

    Use of mixed-crystal pigments of the quinacridone series in electrophotographic toners and developers, powder coatings and inkjet inks
    4.
    发明授权
    Use of mixed-crystal pigments of the quinacridone series in electrophotographic toners and developers, powder coatings and inkjet inks 有权
    在电子照相调色剂和显影剂,粉末涂料和喷墨油墨中使用喹吖啶酮系列的混合颜料

    公开(公告)号:US06251553B1

    公开(公告)日:2001-06-26

    申请号:US09447519

    申请日:1999-11-23

    IPC分类号: G03G908

    摘要: The use of mixed-crystal pigments of the quinacridone series consisting of a) from 85 to 99% by weight of unsubstituted &bgr;-phase quinacridone of the formula (I) in which R1 and R2 are hydrogen atoms, and b) from 1 to 15% by weight of one or more substituted quinacridones of the formula (I) in which the substituents R1 and R2 are identical or different and are chlorine, bromine or fluorine atoms or C1-C4-alkyl, C1-C4-alkoxy or carboxamido groups, which can be substituted by C1-C6-alkyl groups, and R1 can additionally be hydrogen, as colorants in electrophotographic toners and developers, powder coating materials, inkjet inks, electret fibers, and color filters.

    摘要翻译: 使用由以下组成的喹吖啶酮系列的混合颜料:a)85〜99重量%的式(I)的未取代的β相喹吖啶酮,其中R 1和R 2为氢原子,b)为1〜15% 取代基R 1和R 2相同或不同并且为氯,溴或氟原子的一个或多个取代的式(I)喹吖啶酮的重量或C 1 -C 4 - 烷基,C 1 -C 4 - 烷氧基或甲酰胺基,其可以是 被C1-C6烷基取代,R1可以另外是氢,作为电子照相色调剂和显影剂中的着色剂,粉末涂料,喷墨油墨,驻极体纤维和滤色器。

    Mixed crystal pigments of the quinacridone series
    5.
    发明授权
    Mixed crystal pigments of the quinacridone series 失效
    喹吖啶酮系列的混合晶体颜料

    公开(公告)号:US5989333A

    公开(公告)日:1999-11-23

    申请号:US127363

    申请日:1998-07-31

    CPC分类号: C09B67/0036

    摘要: Mixed crystal pigments of the quinacridone series New quinacridone mixed crystal pigments consisting ofa) from 85 to 99% by weight of unsubstituted .beta.-phase quinacridone of the formula (I) ##STR1## in which R.sup.1 and R.sup.2 are hydrogen atoms and b) from 1 to 15% by weight of one or more substituted quinacridones of the formula (I) in which the substituents R.sup.1 and R.sup.2 are identical or different and are chlorine, bromine or fluorine atoms or C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or carboxamido groups which can be substituted by C.sub.1 -C.sub.6 -alkyl groups, and R.sup.1 may additionally be hydrogen, are valuable quinacridones in the red-violet range.

    摘要翻译: 喹吖啶酮系列的混合晶体颜料新的喹吖啶酮混合晶体颜料由以下组分组成:a)85-99重量%的式(I)的未取代的β-相喹吖酮酮,其中R 1和R 2为氢原子,b)为1〜15% 的取代基R 1和R 2相同或不同并且是氯,溴或氟原子的一个或多个取代的喹吖啶酮,其可以是C1-C4烷基,C1-C4-烷氧基或甲酰胺基,其可以 被C1-C6烷基取代,R1可以另外是氢,是红紫色范围内的有价值的喹吖啶酮。

    Process for preparing N,N′-dimethylperylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form
    6.
    发明授权
    Process for preparing N,N′-dimethylperylene-3,4,9,10-tetracarboxylic diimide in transparent pigment form 失效
    制备透明颜料形式的N,N'-二甲基亚丙基-3,4,9,10-四羧酸二酰亚胺的方法

    公开(公告)号:US06174361B1

    公开(公告)日:2001-01-16

    申请号:US09373805

    申请日:1999-08-13

    IPC分类号: C09B562

    摘要: The invention relates to a process for preparing N,N′-dimethylperylene-3,4,9,10-tetracarboxylic diimide, utilizing the reaction of perylene-3,4,9,10-tetracarboxylic dianhydride with monomethylamine, which comprises employing at least 2 times the molar amount of monomethylamine per mole of perylene-3,4,9,10-tetracarboxylic dianhydride and at least 3 times the amount by weight of water based on the weight of the dianhydride, conducting the reaction at a temperature from 50 to 200° C., removing unreacted monomethylamine by distillation, subjecting the resulting crude pigment to wet grinding in a liquid, aqueous or aqueous-organic medium in a stirred ballmill which is operated with a power density of more than 1.5 kW per liter of milling space and a stirrer tip speed of more than 12 m/s under the action of grinding media having a diameter of less than or equal to 0.9 mm, and isolating the pigment obtained, with the proviso that at any desired point during the process, but no later than during wet grinding, one or more additives from the group consisting of pigment dispersants and surfactants are added.

    摘要翻译: 本发明涉及一种利用苝-3,4,9,10-四羧酸二酐与一甲胺的反应制备N,N'-二甲基亚丙基-3,4,9,10-四羧酸二酰亚胺的方法,该方法包括至少使用 每摩尔苝-3,4,9,10-四羧酸二酐的摩尔量为1摩尔的2倍,并且是基于二酐重量的水的重量的至少3倍,在50至50℃的温度下进行反应 通过蒸馏除去未反应的一甲胺,使得到的粗颜料在搅拌式球磨机中的液态水溶液或水性有机介质中进行湿法研磨,所述搅拌式球磨机的功率密度大于1.5kW /升研磨空间 并且在直径小于或等于0.9mm的研磨介质的作用下,搅拌器尖端速度大于12m / s,并且分离所获得的颜料,条件是在该过程中的任何期望点,但是没有 比du晚 加入环状湿法研磨,添加一种或多种由颜料分散剂和表面活性剂组成的组中的添加剂。

    Process for preparing linear unsubstituted .beta.-phase quinacridone
pigments
    7.
    发明授权
    Process for preparing linear unsubstituted .beta.-phase quinacridone pigments 失效
    线性无取代β相喹吖啶酮颜料的制备方法

    公开(公告)号:US5755874A

    公开(公告)日:1998-05-26

    申请号:US834725

    申请日:1997-04-01

    IPC分类号: C09B67/20 C09B67/52 C09B48/00

    CPC分类号: C09B67/0027

    摘要: Process for preparing linear unsubstituted .beta.-phase quinacridone pigments A process for preparing linear unsubstituted .beta.-phase quinacridone pigments or pigment preparations, which comprises a) cyclizing 2,5-dianilinoterephthalic acid in polyphosphoric acid or polyphosphoric ester with a phosphorus pentoxide content of at least 84% by weight to form the quinacridone, b) subsequently hydrolyzing this quinacridone with water or with an aqueous mineral acid solution, preferably orthophosphoric acid solution, at a temperature of at least 40.degree. C., preferably from 60.degree. to 105.degree. C., to form the crude quinacridone pigment which is predominantly in the .alpha.-phase, c) then heating the crude .alpha.-phase quinacridone pigment to a temperature between 120.degree. and 200.degree. C. in the presence of a from 0.1 to 3% strength by weight, preferably from 0.2 to 2% strength by weight, inorganic base in water and alkali-stable organic solvents, for the change of phase into coarsely crystalline crude .beta.-phase pigment, and d) subjecting the coarsely crystalline crude .beta.-phase quinacridone pigment, for the fine division to form a pigment or prepigment, to dry or wet milling; and then isolating the resulting finely divided .beta.-phase pigment; e) or subjecting the finely divided .beta.-phase prepigment obtained in d) to a finish treatment in the presence of solvents, and then isolating the pigment.

    摘要翻译: 制备线性未取代的β-相喹吖啶酮颜料的方法制备线型未取代的β-相喹吖啶酮颜料或颜料制剂的方法,其包括:a)使多磷酸或多磷酸中的2,5-二苯胺基对苯二甲酸至少在五氧化二磷含量至少 84重量%以形成喹吖啶酮,b)随后用水或无机酸水溶液(优选正磷酸溶液)在至少40℃,优选60℃至105℃的温度下水解该喹吖啶酮。 ,以形成主要在α相中的粗喹吖啶酮颜料,c)然后在0.1至3%的强度存在下,将粗α-相喹吖啶酮颜料加热至120至200℃的温度, 重量,优选0.2-2%重量,无机碱在水和碱稳定的有机溶剂中,用于将相变为粗结晶的Cr udeβ相色素,和d)将粗结晶粗β相喹吖啶酮颜料进行细分,形成颜料或指色剂进行干或湿磨; 然后分离得到的细碎的β-相色素; e)或在d)中得到的细碎的β-相指示剂在溶剂存在下进行最终处理,然后分离颜料。

    Surface-treated quinacridone and dioxazine pigments
    8.
    发明授权
    Surface-treated quinacridone and dioxazine pigments 失效
    表面处理的喹吖啶酮和二恶嗪颜料

    公开(公告)号:US5746820A

    公开(公告)日:1998-05-05

    申请号:US837720

    申请日:1997-04-22

    CPC分类号: C09B67/0009 C09B67/0065

    摘要: The use of sulfuric monoesters of the formulae (I) and (II) R.sup.1 --O--(CH.sub.2 O).sub.n --SO.sub.3 .sup.- M.sup.+ (I) R.sup.1 --CO--NR.sup.2 --(CH.sub.2 O)(.sub.n+1)--SO.sub.3 .sup.- M.sup.+ (II) in which R.sup.1 is a straight-chain or branched alkyl group of 10 to 24 carbon atoms, R.sup.2 is a hydrogen atom or a C.sub.1 -C.sub.6 -alkyl group, M.sup.+ is a hydrogen ion, an alkali metal ion, 1/2 an alkaline earth metal ion, or an ammonium ion of the formula N.sup.+ R.sup.3 R.sup.4 R.sup.5 R.sup.6, where the substituents R.sup.3, R.sup.4, R.sup.5 and R.sup.6 independently of one another are each hydrogen atoms or C.sub.1 -C.sub.6 -alkyl groups, which alkyl groups can be substituted by 1 to 3 hydroxyl groups, and n is a number from 0 to 4; or of a mixture of at least two sulfuric monoesters of the formulae (I) and/or (II), for preparing surface-treated pigments from the classes of the quinacridones and dioxazines.

    摘要翻译: 式(I)和(II)的硫酸单酯使用R 1 -O-(CH 2 O)n -SO 3 -M +(I)R 1 -CO-NR 2 - (CH 2 O)(n + 1)-SO 3 -M + ),其中R 1是10-24个碳原子的直链或支链烷基,R2是氢原子或C1-C6烷基,M +是氢离子,碱金属离子,+ E, / 2 + EE为碱土金属离子,或式N + R3R4R5R6的铵离子,其中取代基R 3,R 4,R 5和R 6彼此独立地为氢原子或C 1 -C 6 - 烷基,该烷基 可以被1〜3个羟基取代,n为0〜4的数。 或由式(I)和/或(II)的至少两种硫酸单酯的混合物制备用于由喹吖啶酮和二恶嗪类制备表面处理的颜料。

    Process for the preparation of liquid pigment preparations
    9.
    发明授权
    Process for the preparation of liquid pigment preparations 失效
    液体颜料制剂的制备方法

    公开(公告)号:US5800607A

    公开(公告)日:1998-09-01

    申请号:US675448

    申请日:1996-07-03

    CPC分类号: C09B67/0022

    摘要: Process for the preparation of pigment preparations, which comprises wet milling the crude pigments which are present in coarsely crystalline state, or prepigments or pigments which are present in a form in which they are difficult to disperse, in a concentration of from 20 to 60% by weight based on the total weight of the pigment preparation, in a flocculation-stable liquid medium and in a stirred ball mill which is operated with a peripheral stirrer speed of more than 12 m/s, under the action of nonmetallic grinding media with a diameter of less than or equal to 1.0 mm, until the desired degree of fine division is reached, and then isolating the pigment preparation.

    摘要翻译: 用于制备颜料制剂的方法,其包括湿法研磨以粗结晶状态存在的粗颜料或以其难以分散的形式存在的指示剂或颜料,浓度为20至60% 基于颜料制剂的总重量,在絮凝稳定的液体介质中和在外部搅拌器速度大于12m / s的条件下操作的搅拌式球磨机中,在非金属研磨介质的作用下, 直径小于或等于1.0mm,直至达到所需的微细分割程度,然后分离颜料制剂。

    Process for the preparation of dioxazine compounds
    10.
    发明授权
    Process for the preparation of dioxazine compounds 失效
    二恶嗪化合物的制备方法

    公开(公告)号:US5932727A

    公开(公告)日:1999-08-03

    申请号:US951689

    申请日:1997-10-16

    IPC分类号: C07D498/22 C09B19/02

    CPC分类号: C07D498/22 C09B19/02

    摘要: The present invention relates to a process for the preparation of dioxazine derivatives of the formula I ##STR1## in which R.sup.1 is hydrogen or (C.sub.1 -C.sub.8)-alkyl, by ring closure of a compound of the formula II ##STR2## in the presence of a ring-closure agent, wherein the ring-closure agent used is an N-hetarene N-oxide. The compounds of the formula I are used for producing valuable dyes and pigments.

    摘要翻译: 本发明涉及一种制备其中R 1为氢或(C 1 -C 8) - 烷基的式I的二恶嗪衍生物的方法,该方法通过在闭环剂存在下闭合式II化合物 其中所用的闭环剂是N-丁烯的N-氧化物。 式I的化合物用于生产有价值的染料和颜料。