CN1258700A - 颜料混合物 - Google Patents

颜料混合物 Download PDF

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CN1258700A
CN1258700A CN99126447A CN99126447A CN1258700A CN 1258700 A CN1258700 A CN 1258700A CN 99126447 A CN99126447 A CN 99126447A CN 99126447 A CN99126447 A CN 99126447A CN 1258700 A CN1258700 A CN 1258700A
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pigment
pigment composition
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CN1153819C (zh
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G·普法夫
S·施奥恩
西间木敦子
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Merck Patent GmbH
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Abstract

本发明涉及含有至少两种组分的颜料混合物,组分A是涂有一种或多种金属、金属氧化物和/或金属硫化物的Al2O3薄片料和组分B是特殊效应的颜料,和涉及它们在清漆、涂料、印刷油墨、母料、塑料和化妆品配制剂中的用途。

Description

颜料混合物
本发明涉及含有至少两种组分的颜料混合物，组分A是涂有一种或多种金属、金属氧化物和/或金属硫化物的Al2O3薄片料和组分B是特殊效应的颜料，和涉及它们在清漆、涂料、印刷油墨、塑料和化妆品配制剂中的用途。
对于小片状颜料，遮盖力和光泽常常很难同时达到令人满意的程度。例如，覆盖了一层或多层薄的金属氧化物层的SiO2薄片或云母小片体现特征于干涉色和高光泽，但与此同时，归因于透明基质，体现特征于高的透明度和因此具有较差的遮盖力。
EPO 562 329公开了一种颜料混合物，它包括涂有铁氧化物的SiO2薄片与涂有铁氧化物的云母颜料的混合物。
DE-A-42 40 511公开了由干涉颜料和小片状彩色颜料组成的颜料混合物。干涉颜料包括涂有金属氧化物的云母薄片或SiO2薄片，和彩色颜料能够是已着色的、未涂敷的SiO2薄片。该颜料混合物被引入到涂料，印刷油墨或塑料中。
本发明的目的是提供一种颜料混合物，它突出表现在较高的遮盖力和并能够使自己容易地引入到使用它的各体系中，且与此同时，体系中颜料/色料的分离基本上消除。
惊奇地，现已发现一种没有上述缺点的颜料混合物。本发明的颜料混合物是由至少两种组分组成，组分A是涂有一种或多种金属、金属氧化物和/或金属硫化物的Al2O3薄片料和组分B是特殊效应的颜料。特殊效应的颜料与带涂层的Al2O3薄片料的混合能够使得使用该颜料的体系具有多重随角异色效果，且色彩效果是强烈的，和获得了新的颜色效果。
本发明因此提供了含有至少两种组分的颜料混合物，组分是涂有一种或多种金属、金属氧化物和/或金属硫化物的Al2O3薄片料和组分B是一种或多种特殊效应的颜料。
本发明同样提供一些配制剂，如涂料，清漆，印刷油墨，塑料，农用膜和化妆品配制剂，它们包括本发明的颜料混合物。
带涂层的Al2O3薄片料能够与特殊效应的颜料按任何比例进行混合。组分A与组分B的比率优选是1∶10-10∶1，尤其3∶1-5∶1。
薄片形式的带涂层的氧化铝例如可从Merck KGaA以商品名Xirallic购得。
粒径大于10μm和纵横比(粒径/厚度)为5-10的六角形薄片形式的α-Al2O3可从JP111239/1982(公开特许)获知。
日本专利公告No.72527/1991公开了平均粒径为0.5-3μm的薄片状的α-Al2O3。
JP39362/1992(公开特许)公开了六方晶系的扁平颗粒形式的Al2O3，垂直于C轴的平面生长成平板。
优选的Al2O3薄片是由氧化铝(作为主要组分)和氧化钛(作为次要组分)组成的薄片，可从US5 702 519中已知。这些Al2O3薄片是在含有碱金属盐如碱金属硫酸盐和磷酸或磷酸盐的水溶液存在下用碱金属碳酸盐水溶液水解，蒸发干燥(加热脱水)和熔融盐处理，而从水溶性铝盐和钛盐的均匀水溶液制备的。
在Al2O3薄片上提供一层或多层金属氧化物层。合适的金属氧化物或金属氧化物混合物的例子是二氧化钛，氧化锆，氧化锌，铁氧化物(Fe2O3和/或Fe3O4)和/或氧化铬，尤其TiO2和/或Fe2O3。Al2O3薄片能够按照同样的方式被涂敷成珠光颜料。金属氧化物的涂层可由任何已知方法形成，如通过加热或利用碱使金属盐水解，沉积水合的金属氧化物，随后煅烧。
Al2O3薄片也能够涂有一层或多层的例如从铬，镍，银，铋，铜，锡，或哈斯特洛伊镍基耐蚀耐热合金中选择的金属或金属合金。涂有金属硫化物的Al2O3薄片是用例如钨、钼、铈、镧或稀土元素的硫化物涂敷的。
Al2O3薄片能够由CVD或PVD方法通过湿法化学涂敷来进行涂敷。
本发明的颜料混合物的合适组分B是特效颜料领域中普通技术人员熟悉的所有特殊效应颜料，例子是金属效果颜料，如铝，铜，锌，锡和它们的合金。优选提及铝和金色铝青铜，尤其具有2-40μm粒度的那些。
本发明的颜料混合物优选包括未涂敷的或涂敷的小片状铁氧化物，铝薄片或带涂层的铝薄片。这一类型的特殊效应颜料是由BASF以商品名Paliocrom，由Eckart-Werke以商品名Stapa和由FlexCompany以商品名Chromaflair销售。可提及下面的颜料：珠光颜料，涂有一层或多层金属氧化物(如TiO2或Fe2O3)的TiO2薄片或SiO2薄片，例如石墨片，涂有一层或多层金属氧化物的BiOCl或玻璃片，液晶聚合物颗粒(LCP)，全息的颜料和多层颜料。
珠光颜料，涂有一种或多种金属氧化物的云母薄片颜料例如可从Merck KGaA，Darmstadt以商品名Iriodin，Afflair和Timiron获得。后一种颜料例如可从德国专利和专利申请14 67 468，19 59 998，20 09 566，22 14 545，22 15 191，22 44 298，23 13 331，25 22 572，31 37 808，31 37 809，31 51 343，31 51 354，31 51 355，32 11 602和32 53 017中获知。尤其可以使用涂有TiO2和/或Fe2O3的云母颜料。作为层状硅酸盐，天然和合成的云母是合适的。
另外，本发明颜料混合物能够含有有机或无机色料，触变剂，润湿剂，分散剂，水，有机溶剂或溶剂混合物等等。
本发明的颜料混合物是简单和容易处理的。通过简单地搅拌就可将本发明的颜料混合物引入到使用其的体系中。颜料的费力研磨和分散是没有必要的。
本发明的颜料混合物能够用于着色涂料，印刷油墨，塑料，农用膜，钮状浆料(button pastes)，用于涂敷种子，用于食品的调色，用作药物或化妆品的涂层。颜料混合物在使用它来着色的体系中的浓度一般是在0.01-50重量％，优选在0.1-5重量％之间，基于体系的总固体含量。该浓度一般取决于具体的应用。
包括0.1-50重量％，尤其0.5-7重量％的本发明颜料混合物的塑料常常突出表现在特殊的闪光效果。
在涂料领域中，尤其在汽车修饰中，颜料混合物的用量是0.5-10重量％。带涂层的Al2O3薄片料与组分B，尤其带涂层的SiO2或带涂层的云母小片料混合的比例取决于所需效果。Al2O3薄片料优选与组分B按比例1∶10-10∶1、尤其3∶1来使用。
在涂料中，本发明的颜料混合物具有如下优点：所需颜色的随角异色效果是通过单层涂层获得的(一道涂层体系或两道涂层体系中的头道底漆)。这一随角异色效果甚至在漫射光下极其显著。与包括干涉颜料而不是Al2O3薄片的涂层相比，有本发明的颜料混合物的涂层显示出突出的色深度效果和闪光效果以及强烈的随角异色效果。
在粘结剂体系的着色，例如用于涂料和凹版印刷、胶印或丝网印刷的印刷油墨的着色中，由带涂层的Al2O3薄片料与购自Eckart-Werke的Stapa-铝和金色铝青铜色浆组成的颜料混合物被证明是特别合适的。颜料混合物以2-50重量％，优选5-30重量％，尤其8-15重量％的量被引入到印刷油墨中。组分A与组分B的混合比优选是在1∶10-10∶1范围内。包括本发明的颜料混合物的印刷油墨显示出较纯的色调且由于有良好的粘度值而具有改进的印刷性能。
本发明同样提供一种颜料制备料，它包括带涂层的Al2O3薄片料，效应颜料，粘结剂和如果需要的话添加剂，该制备料是基本上无溶剂的、自由流动的粒料形式。该粒料含有高达95重量％的颜料混合物。颜料制备料-其中本发明的颜料混合物是用粘结剂和用水和/或有机溶剂在有或没有添加剂的情况下制浆，然后该浆料被干燥和压制成致密粒状形式，例如粗粒、大粒、团块、母料或片料-是特别适合作为印刷油墨的前体。
所以本发明还提供了含有本发明的颜料混合物的配制料。
下面的实施例是为了说明本发明，然而决不限定本发明的范围。
实施例
实施例1：涂料
由以下组分组成的配制料：
2.50％，Fe2O3涂敷过的Al2O3薄片料，粒度为5-60μm(Merck KGaA)
1.50％，Monastral Green 6Y spec.(Zeneca)
0.50％，Cappoxyt Yellow 4214(Capelle)
0.03％，颜料级炭黑FW200(Degussa)
0.40％，Dollaraluminum Alpate 7620 NS(Alcan Toyo Europe)
剩余部分：固体含量为19％(丙烯酸酯-蜜胺)的涂料基料和稀释剂
混合物
实施例2：凹版印刷油墨
由以下组分组成的印刷油墨：
70g  硝基纤维素-基粘结剂，购自GeBruder Schmidt，95MB011，
     固体含量为大约20％
30g  颜料，即15g的Cromal IV(Eckart)AL 14-18μm和15g
     的Fe2O3涂敷过的Al2O3薄片料，粒度为5-60μm
30g  1-乙氧基-2-丙醇
实施例3：塑料
1kg聚苯乙烯颗粒料在转鼓式混合机中用5g粘合剂均匀地润湿。然后，添加35g粒度为5-60μm的Fe2O3涂敷过的Al2O3薄片料和7gIriodin121(粒度为5-20μm的TiO2涂敷过的云母颜料，购自MerckKGaA，Darmstadt，FRG)，各种组分被混合2分钟。
这些颗粒料在常规的条件下在注塑机中加工，得到尺寸为4×3×0.5cm的多个小片料。多个小片料突出表现于光泽度。
实施例4：眼睑膏
A相
15.00％  粒度为5-60μm的TiO2涂敷过的Al2O3薄片料(Merck
         KGaA)
15.00％  TimironSuper Blue(粒度为10-60μm的TiO2涂敷过
         的云母，购自Merck KGaA)
49.50％  滑石
7.50％   Solanum Tuberrosum(土豆淀粉)
2.50％  硬脂酸镁
B相
9.14％  硬脂酸异丙基酯
0.53％  棕榈酸十六烷基酯
0.53％  凡士林
0.21％  香料
0.11％  防腐剂
相A的各种组分被混合在一起并形成预混物。熔融的相B然后在搅拌下被滴加到粉末状混合物中。粉末在40-50巴压力下压制。
实施例5：淋浴胶
A相
0.10％  粒度为5-60μm的TiO2涂敷过的Al2O3薄片料(Merck
        KGaA)
0.10％  TimironSuper Blue(粒度为10-60μm的TiO2涂敷过
        的云母，购自Merck KGaA)
0.75％  黄原胶
加至    100.00％所需量的Aqua
B相
20.0％  癸基糖苷
6.65％  Texapon ASV
        十二烷基(Laureth)硫酸钠
        十二烷基 硫酸镁
        十二烷基 8-硫酸钠
        十二烷基 8-硫酸镁
        十八碳烯硫酸钠
0.20％  防腐剂
0.50％  香料
C相
0.15％  柠檬酸
10.00％  Aqua
对于A相，颜料被搅拌到水中。黄原胶在搅拌下缓慢地分散开，搅拌混合物至黄原胶溶解为止。B和C相按顺序添加，继续进行缓慢搅拌，直至所有的组分均匀分布。

Claims (7)

1、含有至少两种组分的颜料混合物，组分A是涂有一种或多种金属、金属氧化物和/或金属硫化物的Al2O3薄片料和组分B是特殊效应的颜料。
2、根据权利要求1的颜料混合物，其特征在于组分A包括TiO2和/或Fe2O3涂敷过的Al2O3薄片料。
3、根据权利要求1或2的颜料混合物，其特征在于组分B包括涂有一种或多种金属氧化物的金属小片料，石墨小片料，铝小片料，层状硅酸盐，未涂敷或被一种或多种金属氧化物涂敷过的Fe2O3-，SiO2-或TiO2-片料，玻璃小片料和/或陶瓷小片料。
4、根据权利要求1-3中一项的颜料混合物，其特征在于组分A和组分B按照10∶1至1∶10的比例进行混合。
5、根据权利要求1的颜料混合物的用途，用于涂料，清漆，印刷油墨，粉末涂料，母料，塑料，用于着色种子，用于化妆品配制剂和用于调制食品。
6、含有根据权利要求1的颜料混合物的配制剂。
7、含有根据权利要求1的颜料混合物和粘结剂的颜料制备料，其特征在于它的形式是基本上无溶剂，自由流动式的颗粒料。
CNB991264479A 1998-12-23 1999-12-21 颜料混合物 Expired - Lifetime CN1153819C (zh)

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CN102040894A (zh) * 2009-10-23 2011-05-04 四国化研(上海)有限公司 涂覆材料
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DE69909417D1 (de) 2003-08-14
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