CN1325923A - 制备金属配合物颜料的连续方法 - Google Patents
制备金属配合物颜料的连续方法 Download PDFInfo
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- CN1325923A CN1325923A CN01116404A CN01116404A CN1325923A CN 1325923 A CN1325923 A CN 1325923A CN 01116404 A CN01116404 A CN 01116404A CN 01116404 A CN01116404 A CN 01116404A CN 1325923 A CN1325923 A CN 1325923A
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- metal
- compound
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- insert
- pigment
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Abstract
制备多价金属离子与式(Ⅰ)偶氮化合物或其互变异构体的一、二、三或四阴离子的金属配合物的连续方法,式(Ⅰ)中R、R′、R1和R1′如说明书所述,配合物嵌入至少一个与上述化合物不同的化合物(嵌入物),包括在10-35℃下把化合物(Ⅰ)的碱金属盐分散体与选择的多价金属的金属盐搅拌1-25分钟;混合嵌入物的水溶液、分散液或乳液,如果合适,在混合嵌入物之前和/或之后,粉碎混合物中的固体颗粒;使混合物经过温度至少85-140℃的反应区,停留1-15分钟;任选地调节混合物的pH值至0.5-3;调节混合物的pH值至至少为5,分离金属配合嵌入物。
Description
本发明涉及一种新的制备金属配合物颜料,尤其是偶氮巴比土酸及其衍生物的金属配合嵌入物的连续方法。
未公开的德国专利申请19924763.3描述了取代的偶氮化合物的金属配合物及其间歇式制备方法。在该方法中,式(A)的偶氮化合物与选自Ba、Ca、Zn、Cu、Fe、Co、Sr、Cr、Sn、Al、Mg、Cd、Pb和La的金属的金属盐络合,所得到的金属配合物与要嵌入的化合物(嵌入物)反应。 (A),其中R和R′独立地为OH、NH2、NH-CN、酰氨基或芳氨基,和R1和R1'独立地为OH或NH2。
由文献可知金属配合物的包合物、嵌入物和固溶体本身是已知的。例如EP074515A1描述了这些物质以及它们的制备。
在用间歇方法制备上述颜料时,首先将偶氮巴比土酸或其衍生物(式Ⅰ)的碱金属盐分散在水中,随后与相应量的多价金属盐以及相应量的嵌入物混合。然后把该混合物在95℃下搅拌几小时。最后把反应混合物的pH值调节为约5,然后把制好的产品分离。
上述间歇方法的主要缺点具体地说是,容器容积大,混合物受热不均匀。这样的温度梯度的结果是,色淀和嵌入反应相互竞争。间歇方法还有这样的缺点,即出现一部分不希望的特别细碎的产品(即平均颗粒直径小于50nm)。在颜料精制的过程中,它们吸收大部分用于精制的分散剂,从而不利于产品所需要的色强度。
产品的分散粗糙度通常大于300,以致由间歇法得到的产品必须进行随后额外的热处理,以适应色强度飞速发展的需要。
另外的缺点是,就产品的颜色、粒度和粗糙度而言,逐批之间产品质量有波动。这种波动的产品质量是由于在间歇方法中缺乏控制措施。
本发明的目的是提供一种可以避免间歇法的上述缺点的方法,并提供一种开头所提到的一致无波动的金属配合嵌入物产品。该方法是连续的,第一步是偶氮巴比土酸化合物与多价离子进行色淀,第二步是嵌入。
因此,本发明提供一种制备多价金属离子与一、二、三或四阴离子形式的式(Ⅰ)偶氮化合物或其互变异构体的金属配合物的连续方法: (Ⅰ),其中R和R′独立地为-OH、-NH2、-NH-CN、酰氨基、芳氨基或对-氯苯基,和R1和R1'独立地为-OH或-NH2,该配合物嵌入至少一个与上述化合物不同的化合物(嵌入物),
多价金属离子的金属选自Ca、Zn、Cu Fe、Mn、Ni、Co、Sr、Ba、Cr、Sn、Al、Mg、Cd、Pb和La,
该方法包括,如果合适的话,在pH为0.5-5.5,在10-35℃,尤其是200-25℃下,把化合物(Ⅰ)的碱金属盐的特别是水分散液与所选择的多价金属的金属盐一起搅拌1-25分钟,尤其是5-20分钟,
如果合适的话,在混合嵌入物之前和/或之后,粉碎该混合物中的固体颗粒(附聚物),混合所提到的嵌入物的水溶液、分散液或乳液,
在85-140℃,优选110-120℃和特别是105-4×105Pa的压力下,使该混合物经过反应区(18),混合物在反应区(18)中的停留时间为1-15分钟,优选为2-10分钟,
调节进入反应区(18)的混合物的pH值,以使离开反应区(18)的产品分散液的pH值为0.5-3,
随后调节混合物的pH值,使pH至少为5,分离已制备好的金属配合嵌入物。
优选的是,在泵送循环回路中,优选通过使混合物经过cavitron(8),而将混合物的固体颗粒粉碎。
特别优选的是,通过加入强和弱碱。例如缓冲化合物如醋酸钠,调节反应区(18)的pH。
式(Ⅰ)的芳基取代基优选为苯基或萘基,它们中的每一个都可以被卤素如F、Cl或Br或-OH、C1-C6-烷基、C1-C6-烷氧基、-NH2、-NO2或-CN取代。
式(Ⅰ)的酰基取代基优选选自(C1-C6-烷基)羰基、苯基羰基、C1-C6-烷基磺酰基、苯基磺酰基、被C1-C6-烷基、苯基或萘基取代或未取代的氨基甲酰基;被C1-C6-烷基、苯基或萘基取代或未取代的氨磺酰或被C1-C6-烷基、苯基或萘基取代或未取代的脒基,其中所述的烷基还可以被卤素如F、Cl、Br、-OH、-CN、-NH2或C1-C6-烷氧基取代,所述的苯基和萘基还可以被卤素如F、Cl、Br、-OH、C1-C6-烷基、C1-C6-烷氧基、-NH2、-NO2和-CN取代。
对本申请来说,金属配合物还包括偶氮巴比土酸(衍生物)与二价金属离子的金属盐。
此方法特别适合的金属配合物是,式(Ⅰ)偶氮化合物为式(Ⅱ)的游离酸形式或其互变异构体时,式(Ⅰ)偶氮化合物的金属配合物, (Ⅱ),R和R′独立地为OH和NHCN,该配合物嵌入至少一个其它化合物(称为嵌入物)。
本发明的方法特别适合制备符合式(Ⅰa)或其互变异构体的1:1偶氮金属配合物。 (Ⅰa),其中Me是式(Ⅰ)中所提到的一个金属离子,尤其是Ni、Mn、Cd或Sn,R和R′同式(Ⅰ)中的定义,和R1和R1'独立地为=O或=NH。
通常由本发明的方法得到的金属配合物形成多层结构的晶格,在任何一层嵌入物与金属配合物之间基本上是通过氢键和/或金属离子连接的。优选的金属配化合物是这样的金属化合物,它形成的晶格基本上是由平面层组成的。
有用的金属配合物也包括这样的金属配合物:其中金属配合物的晶格中加入了含金属的化合物例如盐或金属配合物。在这种情况下,式(Ⅰ)中的部分金属可以被其它金属离子代替,或其它金属离子能或多或少地与金属配合物发生相互作用。
所包括的化合物可以是有机固体或液体化合物和无机固体或液体化合物。能够包括的化合物包括来自非常广泛的各类化合物。由于纯粹实际的原因,优选的是通常条件下(25℃,1巴)下为固体或液体的化合物。
对于液体物质,优选的又是,沸点为100℃或更高,优选150℃或更高的物质。适合的化合物优选为无环和环状有机化合物,例如脂族和芳族烃,它们可以被取代,例如被下列取代基取代:OH、COOH、NH2、取代的NH2、CONH2、取代的CONH2、SO2NH2、取代的SO2NH2、SO3H、卤素、NO2、CN、-SO2-烷基、-SO2-芳基、-O-烷基、-O-芳基、-O-酰基。
所提到的烃嵌入化合物中的芳基取代基优选为苯基或萘基,它们可以被例如卤素如F、Cl、Br、-OH、C1-C6-烷基、C1-C6-烷氧基、-NH2、-NO2和-CN取代。
所提到的烃嵌入化合物中的烷基取代基优选为C1-C6烷基,它们可以被例如卤素如F、Cl、Br、-OH、-CN、-NH2或C1-C6-烷氧基取代。
所提到的烃嵌入化合物中的环烷基取代基优选为C3-C7-环烷基,尤其是C5-C6-环烷基,它们可以被例如C1-C6-烷基、C1-C6-烷氧基、卤素如F、Cl、Br、C1-C6-烷氧基、-OH、-CN和NH2取代。
所提到的烃嵌入化合物中的芳烷基取代基优选为苯基或萘基-C1-C4-烷基,其中芳基可以被列如卤素如F、Cl、Br、-OH、C1-C6-烷基、C1-C6-烷氧基、-NH2、-NO2和-CN取代。
所提到的烃嵌入化合物中的酰基取代基优选为(C1-C6-烷基)-羰基,苯基羰基、C1-C6-烷基磺酰基、苯基磺酰基、被C1-C6-烷基、苯基或萘基取代或未取代的氨基甲酰基;被C1-C6-烷基、苯基或萘基取代或未取代的氨磺酰或被C1-C6-烷基、苯基或萘基取代或未取代的脒基,其中所述的烷基还可以被例如卤素如F、Cl、Br、-OH、-CN、-NH2或C1-C6-烷氧基取代,所述的苯基和萘基还可以被例如卤素如F、Cl、Br、-OH、C1-C6-烷基、C1-C6-烷氧基、-NH2、-NO2和-CN取代。
优选嵌入物的具体例子是石蜡、石蜡油、三聚异丁烯、四聚异丁烯、脂族和芳族烃的混合物例如石油分馏过程中所产生的物质如:氯化石蜡烃如十二烷基氯或十八烷酰氯;C10-C30醇如1-癸醇、1-十二烷醇、1-十六烷醇、1-十八烷醇和它们的混合物;三油酸甘油酯醇(olein alcohol)、1,12-十八烷二醇;脂肪酸及其盐和混合物如甲酸、乙酸、十二烷酸、十六烷酸、十八烷酸、油酸;脂肪酸酯如C10-C20脂肪酸的甲基酯;脂肪酸酰胺如硬脂酰胺、硬脂酸一乙醇酰胺、硬脂酸二乙醇酰胺;硬脂腈;脂肪胺如十二烷胺、十六烷胺(cetylamine)、十六烷胺(hexadecylamine)、十八烷胺和其它胺;脂肪胺与磺酸和羧酸的盐,碳环烃如环十二烷、萘烷、邻-、间-、对-二甲苯、1,2,5-三甲基苯、十二烷基苯混合物、四氢化萘、萘、1-甲基萘、2-甲基萘、联苯、二苯甲烷、苊、芴、蒽、菲、间-,对-三联苯、邻-,对-二氯苯、硝基苯、1-氯萘、2-氯萘、1-硝基萘;碳环的醇和酚以及它们的衍生物如苯甲酿、十氢-2-萘酚、二苯基醚、砜如二苯基砜、甲基苯基砜、4,4′-二2-(羟基乙氧基)二苯基砜;碳环羧酸和它们的衍生物如苯甲酸、3-硝基苯甲酸、肉桂酸、1-萘甲酸、邻苯二甲酸、邻苯二甲酸二丁基酯、邻苯二甲酸二辛基酯、四氯邻苯二甲酸、2-硝基苯甲酰胺、3-硝基苯甲酰胺、4-硝基苯甲酰胺、4-氯苯甲酰胺、磺酸如2,5-二氯苯磺酸、3-硝基、4-硝基苯磺酸、2,4-二甲基苯磺酸、1-和2-萘磺酸、5-硝基-1-和5-硝基-2-萘磺酸、二仲丁基萘磺酸的混合物、联苯-4-磺酸、1,4-、1,5-、2,6-、2,7-萘二磺酸、3-硝基-1,5-萘二磺酸、1-蒽醌磺酸、2-蒽醌磺酸、联苯-4,4'-二磺酸、1,3,6-萘三磺酸、和这些磺酸的盐例如钠、钾、钙、锌、镍和铜盐;磺酰胺如苯磺酰胺、2-、3-和4-硝基苯磺酰胺、2-、3-和4-氯苯磺酰胺、4-甲氧基苯磺酰胺、3,3'-磺酰基二苯磺酰胺、4,4′-氧二苯磺酰胺、1-和2-萘磺酰胺。
甲酰胺和磺酰胺是优选的嵌入化合物(嵌入物),特别合适的是脲和取代脲如苯脲、十二烷基脲等,以及它们与下列物质的缩聚物:醛尤其是甲醛、杂环化合物如巴比土酸、苯并咪唑酮、5-苯并咪唑酮磺酸、2,3-二羟基喹喔啉、2,3-二羟基喹喔啉6-磺酸、咔唑、咔喹-3,6-二磺酸、2-羟基喹啉、2,4-二羟基喹林、己内酰胺、三聚氰胺、6-苯基-1,3,5-三嗪-2,4-二胺、6-甲基-1,3,5-三嗪-2,4-二胺、氰尿酸。
特别优选的嵌入物还包括表面活性化合物,尤其是表面活性剂,它们可以从例如下列文献中获悉:K.Lindner,Tenside-Textilhilfsmittel-Waschrohstoffe,第二版,第一卷、Wissenschaftliche Verlagsgesellschaft mbH,Stuttgart,1964。它们可以是阴离子、非离子或阳离子化合物或两性物。合适的阴离子化合物的例子是纯肥皂、氨基羧酸盐、低或高酰化的氨基羧酸盐、脂肪酸硫酸酯、脂肪酸酯的硫酸酯、酰胺等,伯烷基硫酸盐、羰基合成醇的硫酸酯盐、仲烷基硫酸盐、酯化或醚化聚氧化物的硫酸盐、取代聚乙二醇醚的硫酸盐(硫酸化环氧乙烷加合物)、酰化或烷基化链烷醇胺的硫酸盐、脂肪酸、它们的酯、酰胺等的磺酸盐、伯烷基磺酸盐、仲烷基磺酸盐、带有以酯形式连接的酰基的烷基磺酸盐、烷基或烷基苯基醚磺酸盐、多羧酸酯的磺酸盐烷基苯磺酸盐、烷基萘磺酸盐、芳族磺酸脂族酯、烷基苯并咪唑磺酸盐、磷酸盐、多磷酸盐、膦酸盐、次膦酸盐(phosphinates)、硫代硫酸盐、亚硫酸氢盐、亚磺酸盐、过硫酸盐。适当的非离子化合物的例子是多元醇的酯和醚、烷基聚乙二醇醚、酰基聚乙二醇醚、烷基芳基聚乙二醇醚、酰化和烷基化链烷醇胺聚乙二醇醚。合适的阳离子化合物的例子是烷基胺盐、季铵盐、烷基吡啶盐、简单和四价咪唑啉盐、烷基二胺和烷基多胺、酰基二胺和酰基多胺、酰基链烷醇胺、链烷醇胺酯、烷基、OCH2-N-吡啶盐、烷基-CO-NH-CH2-N-吡啶盐、烷基亚乙基脲、锍化物、磷鎓化合物、砷化物、烷基胍、酰基双胍。适合的两性物的例子是烷基甜菜碱、磺基甜菜碱和氨基羧酸。优选使用非离子表面活性剂,尤其是脂肪醇、脂肪胺的环氧乙烷加成物以及辛基酚或壬基酚的环氧乙烷加成物。
重要的优选嵌入物还有天然树脂和树脂酸例如松香酸和它的转化产物及盐。此类转化产物的例子是氢化、脱氢和歧化松香酸。通过加入马来酸酐和富马酸它们能进一步被二聚、聚合或改性。它们当中令人感兴趣的是羧基被改性的树脂酸例如甲基、羟乙基、乙二醇、甘油、季戊四醇酯以及树脂酸腈和树脂酸胺和脱氢松香醇。
适合用于嵌入的还有聚合物例如环氧乙烷-环氧丙烷嵌段共聚物,优选其数均分子量Mn不低于1000,优选为1000-10,000g/mol,聚乙烯醇、聚(甲基)丙烯酸、改性纤维素例如羧甲基纤维素、羟乙基-和丙基纤维素、甲基-和乙基-羟乙基纤维素。
其它合适的嵌入物是基于下列物质的缩合产物:A)磺化芳族化合物,B)醛和/或酮,和可有可无的C)选自非磺化芳族化合物、脲和脲衍生物的一种或多种化合物。
“基于”指的是缩合产物可以由除A、B和可有可无的C以外的其它反应物制得,但是,对于该申请来说,缩合产物只能由A、B和可有可无的C制备。
组分A)磺化芳族化合物在本发明中将被理解为:也包括磺基甲基化的芳族化合物。优选的磺化芳族化合物是萘磺酸、酚磺酸、二羟基苯磺酸、磺化二甲苯基醚、磺基甲基化4,4'-二羟基二苯基砜、磺化二苯甲烷、磺化联苯、磺化羟基联苯,尤其是2-羟基联苯、磺化三联苯或苯磺酸。
用作组分B)的醛和/或酮具体包括脂族、环脂族以及芳族化合物。优选的是脂族醛,特别优选的是甲醛和其它3-5个碳原子的脂族醛。
用作组分C)的非磺化芳族化合物的例子是酚、甲酚、4,4'-二羟基二苯基砜和二羟基二苯甲烷。
脲衍生物的例子是二羟甲基脲、烷基脲、三聚氰胺和胍。
优选基于下列物质的缩合产物:A)选自萘磺酸、酚磺酸、二羟基苯磺酸、磺化二甲苯基醚、磺基甲基化4,4′-二羟基二苯基砜、磺化二苯甲烷、磺化联苯、磺化羟基联苯尤其是2-羟基联苯、磺化三联苯和苯磺酸的至少一种磺化芳族化合物,B)甲醛,和可有可无的C)选自酚、甲酚、4,4′-二羟基二苯基砜、二羟基二苯甲烷、脲、二羟甲基脲、三聚氰胺和胍的一种或多种化合物。
优选的缩合产物是基于下列物质的缩合产物:4,4′-二羟基二苯基砜,磺化二甲苯基醚和甲醛;4,4′-二羟基二苯基砜、酚磺酸和甲醛;4,4′-二羟基二苯基砜、亚硫酸氢钠、甲醛和脲;萘磺酸、4,4'-二羟基二苯基砜和甲醛;磺化三联苯和甲醛;和/或磺化2-羟基联苯和甲醛以及萘磺酸和甲醛。
优选的嵌入化合物(嵌入物)是环状或无环有机化合物,尤其是三聚氰胺或三聚氰胺衍生物或缩聚物,优选基于脲和甲醛的缩聚物、或环氧乙烷-环氧丙烷嵌段共聚物。
用作嵌入物的特别优选物质是,三聚氰胺或三聚氰胺衍生物,尤其是式(Ⅲ)的那些物质: (Ⅲ)其中R6是氢、可以被OH取代或未取代的C1-C4烷基,或苯基,特别优选的是其中R6是氢。
羟苯基氨基三嗪(phenyloliaminotriazine)也是优选的嵌入物(intercolate)。
在实施本发明方法时,可以加入到金属配合物晶格中的嵌入物的量通常为巴比土酸金属配合物的5%-200%重量,优选为10%-100%重量。这里所述的量是用适当溶剂洗不掉的物质的量,它是由元素分析得到的。应该知道加入的嵌入物也可能比上述量多或少,在这种情况下,不必为洗掉过量物而烦恼。优选的是该方法中嵌入物的量为10-150%重量。
本发明方法优选的实施方案的特征是,用等摩尔量的偶氮化合物的钠、锂或钾盐和金属盐制备式(Ⅰa)的1∶1偶氮金属配合物或它的一个互变异构体。 (Ⅰa)其中Me表示权利要求1中所提到的金属,R和R′以及R1和R1'同权利要求1的定义,
本发明优选的含有嵌入物的偶氮化合物的金属配合物具有由下列范围的色度坐标x和y所定义的色区(colourlocus):
色区是按照DIN53238在醇酸树脂-三聚氰胺清漆中确定的,其中颜料以完全分散状态存在。 其中X、Y和Z是三刺激值。
Bayer Farben Revue,Sonderheft3/2D,1986;p.12-14中描述了标准的彩色系统。
用于偶氮巴比土酸(衍生物)与金属盐之间的色淀反应的金属盐优选选自上述金属的水溶性金属盐,尤其是该金属的氯化物、溴化物、乙酸盐、硝酸盐。优选金属盐在20℃下的水溶解度大于20g/l,尤其是大于50g/l。
该制备方法特别合适的金属盐是氯化镁、硫酸镁、氯化钙、醋酸钙、甲酸钙、氯化钡、硝酸钡、醋酸钡、碳酸钡、硝酸锶、氯化锰、硫酸锰、氯化铁(Ⅲ)、硝酸铁(Ⅲ)、硫酸亚铁(Ⅱ)、氯化钴、硝酸钴、硫酸钴、甲酸镍、硝酸镍、硫酸镍、氯化镍、醋酸镍、硫酸铝、硝酸铝、硫酸铬(Ⅲ)、硝酸铬(Ⅲ)、氯化锌、硫酸锌、醋酸锌、氯化镉、硫酸镉、硝酸镉、硫酸铜(Ⅱ)、氯化铜(Ⅱ)、醋酸铜(Ⅱ)和甲酸铜(Ⅱ)、硝酸镧和氯化铝水合物。
也可能使用这些盐的混合物,该混合物含有上述各种金属盐。使用此类盐混合物特别适合得到彩色最终产物的中间色调。
然后,可以通过过滤其水悬浮液,以含水滤饼形式分离出本发明所得到的金属配合物。用热水洗涤后,这些滤饼可以按照例如惯用的干燥方法干燥。
因此本发明提供一种金属配合嵌入物,其分散粗糙度低于200(按照DIN53775第7部分测定),冷轧温度为25℃,热轧温度为150℃。
此处报告的所有分散粗糙度都是由该改进方法确定的。
嵌入至少一种化合物的式(Ⅰ)偶氮化合物的金属配合物在这里称为颜料。因此本发明也提供了一种颜料制剂,该颜料制剂包括至少一种本发明的颜料和分散剂。
对于该申请而言,分散剂是使精细颗粒形式的颜料颗粒在水介质中保持稳定的物质。优选,精细颗粒指的是细度(fine division)为0.001-5μm,优选0.005-1μm,更优选0.005-0.5μm。
通过本发明方法得到的金属配合物可以用于所有颜料用途。例如它们可以用于使所有类型的清漆着色,以便生产印刷颜料、刷墙粉颜料或基料颜料(bindercolours),也可以用于合成、半合成或天然大分子物质例如聚氯乙烯、聚苯乙烯、聚酰胺、聚乙烯或聚丙烯大量着色。它们也可以用于天然、再生或人工纤维例如纤维素、聚酯、聚碳酸酯、聚丙烯腈或聚酰胺纤维的纺丝-染色,还可以用于纺织品和纸的印花。在非离子、阴离子或阳离子表面活性剂的存在下,通过研磨或捏和,这些颜料提供了一种细碎、稳定、含水的乳液颜料制剂和涂料颜料,它们可以用于纸的着色、纺织品的颜料印花、层压、粘胶的纺丝-染色。
下面将参照图1的流程图,通过实施例更详细地描述本发明。
实施例通用方法的描述
把偶氮巴比土酸衍生物的碱金属盐的分散液和金属盐的分散液于约20℃下在原料储存器1中搅拌,然后在cavitron8中粉碎,形成部分泵送的环流。
在原料储存器2中加入嵌入物的含水制剂。把原料储存器1和2中的溶液混合在一起,可以通过控制进料泵9和10设定反应物流的混合比。
打开旋塞47和43,关闭旋塞37和34。金属配合物A物流和嵌入物分散体B物流在混合喷嘴22处混合,然后通过反应器18。用pH探头16测定反应混合物的pH值,如果需要,可以由容器3向混合喷嘴22处加入碱或醋酸盐缓冲溶液,把pH值调节为所需要的值。关闭旋塞26。通过带孔的圆盘组20(节气阀)后,混合物流入收集器6,由原料储存器5定量加入碱,把混合物的pH值调节为5(pH计19)。
旋塞39、40、41和42是原料储存器1-4的排放旋塞。
阀29、30、33、36是超压阀,把它们装入作为安全阀。
万一产物聚集和相关的压力聚集,反应物将流回原料储存器。
旋塞46控制用于清洗反应器的清洗水。
在使起始化合物快速反应的情况下,可以把所需要的所有组分(金属盐、偶氮巴比土酸化合物和嵌入物)一开始就加入到原料储存器1中,并搅拌/粉碎。
在使起始化合物缓慢反应,而且色淀和嵌入在不同的pH范围内进行时,通常所采用的方法如下所述。偶氮巴比土酸(衍生物)和溶解的金属盐是原料储存器1中悬浮液的组分。嵌入物位于原料储存器2中。关闭旋塞37、34、31、43和28。打开旋塞47、44、48和49。反应混合物和来自容器3的pH调节化学品在混合喷嘴22处混合,并通过反应器18。通过pH探头16测定色淀反应后的实际pH值,如果需要,通过泵11改变来自容器3的控制化学品的进料速率,从而将pH值调节到需要的范围。把被嵌入的物质泵入反应器18下方以色淀的偶氮巴比土酸衍生物的分散液流中,所得到的混合物通过静态混合器25。带孔的圆盘组使反应区17和18的压力维持为约3巴。用pH探头15测定完全反应的分散液的pH值。泵12的控制体系24调节来自另外的原料储存器4的控制化学品的通过量,使pH达到最佳嵌入反应所需要的范围。
实施例1
首先把1100g浓度为11%重量的偶氮巴比土酸钠分散液、100g三聚氰胺、在1000g去离子水中的80.5gCdCl2 *H2O加入到原料储存器1中,通过cavitron8循环15分钟。关闭或已经关闭了旋塞37、43和49。在旋塞47处于打开位置的情况下,把分散液输送到温度控制到103℃的反应器18中,流速为6kg/h。用pH探头16测定第一反应器18下方的pH值,并通过由容器3泵入醋酸钠溶液将pH值维持在2。在收集器6中,用探头19测定混合物的pH值,并用容器5中的醋酸钠溶液将pH升高到5,以便终止反应。然后,用抽吸过滤器分离产品,用热水洗涤至无电解质,干燥并在实验室碾磨机上研磨。把如此得到的颜料粉末按照DIN53238混到醇酸树脂-三聚氰胺清漆中。颜料的CIELAB三刺激值是:X=10.66Y=10.37Z=7.35。颜料的BET比表面积是20.2m2/g。
实施例2
与实施例1不同的是用90.3gSnCl2 *2H2O代替CdCl2 *H2O。第一反应器18下方的pH值维持在2.0。把所得到的颜料粉末按照DIN53238混到醇酸树脂-三聚氰胺清漆中。颜料色区的CIELAB三刺激值是:X=19.9 Y=15.3 Z=6.2。产品的BET比表面积是39m2/g。
实施例3
首先把5000g浓度为11%重量的偶氮巴比土酸钠分散液、480g三聚氰胺、2250g浓度为25%重量的NiCl2·6H2O溶液和2500g去离子水加入到容器1中,通过经cavitron(8)循环而将其粉碎20分钟。反应器温度为114℃。按照实施例1的方法把混合物泵入反应器17、18。反应混合物的流速为8kg/h。通过定量加入醋酸钠溶液把该混合物的pH值调节为1.4。把按照与实施例1类似的方法分离的颜料粉末按照DIN53238混到醇酸树脂-三聚氰胺清漆中。颜料色区的CIELAB三刺激值是:X=27.22 Y=22.46 Z=5.6。粉末的BET比表面积是67m2/g。粉末的粉碎粗糙度是80。
实施例4
首先把1000g浓度为12%重量的偶氮巴比土酸钠分散液、450g浓度为24%重量的NiCl2·6H2O溶液和500ml水加入到容器1中,把500ml浓度为20%重量的Pluronic F38(BASFAG制造的EO-PO缩聚物,摩尔质量5000)溶液加入到容器2中。旋塞43已经关闭,旋塞44打开,以使聚合物在第一反应器18下方混合。目标pH是0.8,通过由容器3加入醋酸钠溶液来控制。流速是6kg/h。反应器温度是114℃。把按照与实施例1类似的方法分离的颜料粉末按照DIN53238混到醇酸树脂-三聚氰胺清漆中。颜料色区的CIELAB是:X=28.4Y=24.5 Z=5.5。粉末的BET比表面积是30m2/g。
实施例5
在容器1中,把564.1g氰亚氨基偶氮巴比土酸的钾盐和338.7gMnCl2 *H2O于7L去离子水中搅拌,并通过cavitron8将其粉碎15分钟。在容器2中,用2L去离子水把419.3g三聚氰胺分散。
旋塞47、44、48和49已经打开。在pH为5的条件下,在反应器18中进行色淀。用pH探头16测定色淀反应后的pH值,如果需要;把容器3中的醋酸钠溶液加入到混合喷嘴22处,使pH值达到色淀所需要的值5。把容器2中的三聚氰胺分散体定量加入到上面的静态混合器25中,通过加入来自容器4的10%的HCl溶液得到嵌入作用所需要的pH值。用pH计15测定嵌入反应的pH。把所得到的颜料粉末按照DIN53238混到醇酸树脂-三聚氰胺清漆中。颜料的CIELAB色区是:X=40 Y=28.15 Z=5.6。颜料的BET比表面积是32m2/g。
Claims (8)
1、一种制备多价金属离子与一、二、三或四阴离子形式的式(Ⅰ)偶氮化合物或其互变异构体的金属配合物的连续方法: (Ⅰ),其中R和R'独立地为-OH、-NH2、-NH-CN、酰氨基、芳氨基或对-氯苯基,和R1和R1'独立地为-OH或-NH2,
该配合物嵌入至少一个与上述化合物不同的化合物(嵌入物),
多价金属离子的金属选自Ca、Zn、Cu、Fe、Mn、Ni、Co、Sr、Ba、Cr、Sn、Al、Mg、Cd、Pb和La,
所述方法为,如果合适的话,在pH为0.5-5.5,在10-35℃,尤其是20-25℃下,把化合物(Ⅰ)的碱金属盐的水分散液与所选择的多价金属的金属盐一起搅拌,
如果合适的话,在混合嵌入物之前和/或之后,粉碎该混合物中的固体颗粒,混合所提到的嵌入物的水溶液、分散液或乳液,
在85-140℃,优选110-120℃和尤其是105-4×105Pa压力下,使该混合物经过反应区(18),
调节进入反应区(18)的混合物的pH值,以使离开反应区(18)的产品分散液的pH值为0.5-3,
随后调节混合物的pH值,使pH至少为5,分离已制备好的金属配合嵌入物。
2、根据权利要求1的方法,其特征是在泵送循环回路中,优选通过使混合物经过cavitron(8),而将混合物的固体颗粒粉碎。
3、根据权利要求1或2的方法,其特征是嵌入化合物(嵌入物)是环状或非环状有机化合物,尤其是三聚氰胺或三聚氰胺衍生物或缩聚物,优选基于脲和甲醛的缩聚物,或环氧乙烷-环氧丙烷嵌段共聚物。
4、根据权利要求1-3任意一项的方法,其特征是混合物在反应区(18)中的停留时间是2-10分钟。
6、权利要求1-5任意一项的方法,其特征是通过加入强碱和弱碱调节反应区的pH值。
7、一种颜料制剂,该颜料制剂包括作为颜料的至少一种由权利要求1-6任意一项的方法所得到的金属配合嵌入物和至少一种分散剂。
8、权利要求1-6任意一项的方法得到的金属配合物的用途,该金属配合物用于生产印刷颜料、刷墙粉颜料或基料颜料(binder colours),也可以用于合成、半合成或天然大分子物质,尤其是聚氯乙烯、聚苯乙烯、聚酰胺、聚乙烯或聚丙烯的大量着色,它们也可以用于天然、再生或人工纤维例如纤维素、聚酯、聚碳酸酯、聚丙烯腈或聚酰胺纤维的纺丝-染色,还可以用于纺织品和纸的印花。
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DE10016547.8 | 2000-04-03 | ||
DE10016547A DE10016547A1 (de) | 2000-04-03 | 2000-04-03 | Kontinuierliches Herstellungsverfahren für Metallkomplexpigmente |
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CN01116404A Pending CN1325923A (zh) | 2000-04-03 | 2001-04-03 | 制备金属配合物颜料的连续方法 |
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US (1) | US6448385B2 (zh) |
EP (1) | EP1142960A3 (zh) |
JP (1) | JP2001329184A (zh) |
KR (1) | KR20010095227A (zh) |
CN (1) | CN1325923A (zh) |
CA (1) | CA2343461A1 (zh) |
CZ (1) | CZ20011205A3 (zh) |
DE (1) | DE10016547A1 (zh) |
Cited By (1)
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CN103613958A (zh) * | 2013-11-29 | 2014-03-05 | 深圳清华大学研究院 | 一种络合-沉淀工艺制备的环保钛系颜料 |
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DE10016547A1 (de) * | 2000-04-03 | 2001-10-11 | Bayer Ag | Kontinuierliches Herstellungsverfahren für Metallkomplexpigmente |
DE10213982A1 (de) | 2002-03-28 | 2003-10-09 | Bayer Ag | Metallkomplexe |
DE102004019020A1 (de) * | 2004-04-20 | 2005-11-10 | Bayer Chemicals Ag | Organische Pigmentpräparationen |
JP4492217B2 (ja) * | 2004-06-04 | 2010-06-30 | 東洋インキ製造株式会社 | 顔料および顔料組成物 |
JP4158748B2 (ja) | 2004-07-02 | 2008-10-01 | 東洋インキ製造株式会社 | アゾバルビツール酸金属錯体顔料およびその製造方法 |
DE102005033582A1 (de) | 2005-07-19 | 2007-01-25 | Lanxess Deutschland Gmbh | Verfahren zur Herstellung von Metall-Verbindungen einer Azo-Verbindung unter Einsatz einer Umpumpung |
DE102005063360A1 (de) * | 2005-07-19 | 2007-04-05 | Lanxess Deutschland Gmbh | Organische Pigmente für Farbfilter |
DE102005033580A1 (de) * | 2005-07-19 | 2007-01-25 | Lanxess Deutschland Gmbh | Verfahren zur Herstellung von Metall-Verbindungen einer Azo-Verbindung in Gegenwart von Impfkristallen |
DE102005033583A1 (de) * | 2005-07-19 | 2007-01-25 | Lanxess Deutschland Gmbh | Verfahren zur Herstellung von Metall-Verbindungen einer Azo-Verbindung unter Anwendung eines mehrstufigen Temperungsverfahren |
JP4684190B2 (ja) * | 2005-09-06 | 2011-05-18 | 富士フイルム株式会社 | 金属錯体顔料微粒子の製造方法およびそれにより得られる金属錯体顔料微粒子を含有する分散液 |
US7942962B2 (en) * | 2007-04-23 | 2011-05-17 | Nippon Kayaku Kabushiki Kaisha | Monoazo metal complex, azo-type pigment dispersant, and pigment composition comprising the azo-type pigment dispersant |
CN113413639B (zh) * | 2021-06-04 | 2022-04-01 | 广东省科学院测试分析研究所(中国广州分析测试中心) | 一种富氮多孔聚合物生物相容性固相微萃取探针及其应用 |
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DD96076A5 (zh) * | 1970-12-28 | 1973-03-05 | ||
DE3215876A1 (de) * | 1981-09-02 | 1983-03-17 | Bayer Ag, 5090 Leverkusen | Einschlussverbindungen, interkalationsverbindungen und feste loesungen farbiger organischer metallverbindungen |
DE3215875A1 (de) * | 1981-09-02 | 1983-03-17 | Bayer Ag, 5090 Leverkusen | Azobarbitursaeure-derivate, ihre festen loesungen, einschlussverbindungen und interkalationsverbindungen |
EP0994163B1 (de) * | 1998-10-15 | 2003-01-29 | Bayer Ag | Neue Metallkomplexpigmente |
DE19924763A1 (de) * | 1999-05-29 | 2000-11-30 | Bayer Ag | Neue Metallkomplexpigmente |
ES2214785T3 (es) * | 1998-10-15 | 2004-09-16 | Bayer Chemicals Ag | Pigmentos de complejos metalicos. |
DE10016547A1 (de) * | 2000-04-03 | 2001-10-11 | Bayer Ag | Kontinuierliches Herstellungsverfahren für Metallkomplexpigmente |
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- 2000-04-03 DE DE10016547A patent/DE10016547A1/de not_active Withdrawn
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2001
- 2001-03-21 EP EP01106402A patent/EP1142960A3/de not_active Withdrawn
- 2001-03-30 US US09/821,888 patent/US6448385B2/en not_active Expired - Fee Related
- 2001-03-30 CA CA002343461A patent/CA2343461A1/en not_active Abandoned
- 2001-03-30 JP JP2001099495A patent/JP2001329184A/ja active Pending
- 2001-04-02 KR KR1020010017309A patent/KR20010095227A/ko not_active Application Discontinuation
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Cited By (2)
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CN103613958A (zh) * | 2013-11-29 | 2014-03-05 | 深圳清华大学研究院 | 一种络合-沉淀工艺制备的环保钛系颜料 |
CN103613958B (zh) * | 2013-11-29 | 2015-01-21 | 深圳清华大学研究院 | 一种络合-沉淀工艺制备的环保钛系颜料 |
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EP1142960A3 (de) | 2003-09-17 |
KR20010095227A (ko) | 2001-11-03 |
US6448385B2 (en) | 2002-09-10 |
JP2001329184A (ja) | 2001-11-27 |
EP1142960A2 (de) | 2001-10-10 |
DE10016547A1 (de) | 2001-10-11 |
US20010047087A1 (en) | 2001-11-29 |
CZ20011205A3 (cs) | 2001-12-12 |
CA2343461A1 (en) | 2001-10-03 |
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