CN113583473B - 纳米包覆性有机颜料及其制备方法 - Google Patents
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- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims abstract description 16
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 14
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
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- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 claims description 2
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- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0001—Post-treatment of organic pigments or dyes
- C09B67/0004—Coated particulate pigments or dyes
- C09B67/0007—Coated particulate pigments or dyes with inorganic coatings
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- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
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Abstract
本发明提供了纳米包覆性有机颜料,由偶氮类有机颜料、无定形硅酸铝、纳米二氧化钛、偶联剂、溶剂和分散剂制备而成。本发明优点在于,该复合颜料规避了无机颜料和有机颜料的各自的缺点,并相应继承了相互的优点来满足油墨、功能性涂料等方面的高端化的苛刻要求,复合颜料的分散性和润湿性良好,易于分散在亚克力板中;有机颜料包覆无机颜料而成的复合颜料应用于亚克力板中,通过测试力学性能(包括剪切和冲击)和耐候性测试的三项数据表征上看,剪切强度、冲击强度、耐候性符合测试标准,甚至冲击强度得到了有效的提升。
Description
技术领域
本发明涉及有机颜料技术领域,尤其涉及纳米包覆性有机颜料及其制备方法。
背景技术
无机颜料与有机颜料属于颜料的两大类,其中无机颜料具备耐候性好,物理性能优越,但由于色谱不全、以及重金属毒性大等缺点导致无法大规模生产。与无机颜料对比,有机颜料色泽鲜艳,透明度好,种类齐全,化学稳定性好等优点。但受生产设备和工艺技术影响,有机颜料价格普遍较高,综合性能稳定性较差,其中包括耐溶剂性、耐候性、耐热性等方面。
偶氮类和酞菁类在有机颜料市场上的占比极大,有研究表明颜料的部分内核在着色上没有表达出来,颜料颗粒表面的颜色仅是其表面反射光所造成的。
因为无机颜料色光暗淡,种类单一,但有机颜料的机械性能不足,导致了无论无机颜料还是有机颜料在高精度、高设施、户外建筑工业领域方面的应用受到了极大的限制,有人提出了把有机颜料和无机颜料的优点结合起来制备新的复合颜料,该复合颜料规避了无机颜料和有机颜料的各自的缺点,并相应继承了相互的优点来满足油墨、功能性涂料等方面的高端化的苛刻要求。将无机颜料和有机颜料复合的方法也就是对颜料进行改性处理。目前所应用的技术有核-壳包核法、高分子包覆法、无机杂化技术、颜料表面处理技术等。
有人采用将纳米碳酸钙浆料加入到在化学反应容器中,在搅拌和研磨的容器内加入有机颜料,并以阴离子改性剂改性的二氧化硅作为吸附载体,通过高温煅烧得到有机颜料/二氧化硅/纳米碳酸钙复合颜料。此法生产的复合颜料在保证着色力不变的情况下节约了成本,粒径分布均匀且耐候、耐热,机械性能良好。
但由于是三元复合颜料的工艺流程复杂,操作繁琐,复合时间及精度要求较高,原料配比的差异极易导致分散不均匀,发生团聚现象。
发明内容
本发明针对现有技术的不足,提供了纳米包覆性有机颜料及其制备方法。
本发明通过以下技术手段实现解决上述技术问题的:
纳米包覆性有机颜料,由偶氮类有机颜料、无定形硅酸铝、纳米二氧化钛、偶联剂、溶剂和分散剂制备而成。
优选的,复合颜料的组分及其质量百分比含量为:偶氮类有机颜料40-80%、无定形硅酸铝10-40%、二氧化钛10-30%。
优选的,所述偶联剂为复合颜料质量的2-10%。
优选的,所述溶剂和复合颜料的质量比为2-8:1。
优选的,所述分散剂的使用量为复合颜料质量的2-10%。
优选的,所述偶联剂为硅烷、甲基丙烯酸乙二醇、铝酸脂中的一种或多种。
优选的,所述溶剂为甲基丙烯酸聚氨酯、对苯二甲酸二辛酯、邻苯二甲酸丁酯中的一种或多种。
优选的,所述将偶氮类有机颜料、偶联剂和纳米二氧化钛按一定比例混合离心震动均匀后,再加入无定形硅酸铝继续搅拌混合均匀、再加入一定比例的溶剂和分散剂搅拌放入球磨机湿法球磨,得到产物。
优选的,所述离心时间为0.5-2h,搅拌时间为0.5-2h,搅拌机转速300-800r/min。
优选的,所述湿式球磨机所用的球珠粒径为1mm、球磨时间为6-24h。
本发明的优点在于:该复合颜料规避了无机颜料和有机颜料的各自的缺点,并相应继承了相互的优点来满足油墨、功能性涂料等方面的高端化的苛刻要求,复合颜料的分散性和润湿性良好,易于分散在亚克力板中;有机颜料包覆无机颜料而成的复合颜料应用于亚克力板中,通过测试力学性能(包括剪切和冲击)和耐候性测试的三项数据表征上看,剪切强度、冲击强度、耐候性符合测试标准,甚至冲击强度得到了有效的提升。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施案例1
将1kg偶氮类有机颜料、50g偶联剂和300g纳米二氧化钛加入离心震动器中用离心振动1h均匀后,取入搅拌容器中后再加入200g无定形硅酸铝、4kg邻苯二甲酸丁酯作为溶剂和50g丙二醇甲醚作为分散剂搅拌放入球磨机湿法球磨10h后得到目标产物。
实施方案2
将1kg偶氮类有机颜料、30g偶联剂和300g纳米二氧化钛加入离心震动器中用离心振动0.5h均匀后,取入搅拌容器中后再加入100g无定形硅酸铝、4kg邻苯二甲酸丁酯作为溶剂和40g丙二醇甲醚作为分散剂搅拌放入球磨机湿法球磨8h后得到目标产物2。
实施方案3
将800g偶氮类有机颜料、60g偶联剂和500g纳米二氧化钛加入离心震动器中用离心振动1.2h均匀后,取入搅拌容器中后再加入150g无定形硅酸铝、5kg邻苯二甲酸丁酯作为溶剂和30g丙二醇甲醚作为分散剂搅拌放入球磨机湿法球磨8h后得到目标产物。
实施方案4
将1kg偶氮类有机颜料、40g偶联剂和500g纳米二氧化钛加入离心震动器中用离心振动2h均匀后,取入搅拌容器中后再加入200g无定形硅酸铝、5kg邻苯二甲酸丁酯作为溶剂和40g丙二醇甲醚作为分散剂搅拌放入球磨机湿法球磨6h后得到目标产物。
将上述实施方案1-4的复合颜料色浆分别以1%的添加量加入PMMA有机玻璃板中并测试它们的剪切强度、强度和耐候性。
测试结果对照表:
合颜料中含有硅酸铝具备高强度的化合物,由于无机颜料难以克服的缺点是透明度差、色谱不广、色光不艳丽、着色力比较低,而且不少重金属无机颜料有毒。而有机颜料色谱齐全,色泽鲜艳,着色力强且制备可控,把有机颜料和无机颜料的优点结合起来制备新的复合颜料,该复合颜料规避了无机颜料和有机颜料的各自的缺点,并相应继承了相互的优点来满足油墨、功能性涂料等方面的高端化的苛刻要求,复合颜料的分散性和润湿性良好,易于分散在亚克力板中。
有机颜料包覆无机颜料而成的复合颜料应用于亚克力板中,通过测试力学性能(包括剪切和冲击)和耐候性测试的三项数据表征上看,剪切强度、冲击强度、耐候性符合测试标准,甚至冲击强度得到了有效的提升。
以有机颜料为壳,无机纳米二氧化钛/硅酸铝为核的复合颜料,其主要是有机颜料的表面色泽展示出的饱和色彩,纳米二氧化钛/硅酸铝的复合保证了二氧化钛在无定形硅酸铝表面均匀分散吸附,避免了纳米二氧化钛的团聚的同时提高其耐候稳定性和机械物理性能,改性后的纳米二氧化钛/无定形硅酸铝的比表面积大幅度的增加,以至于偶氮类有机颜料可以在此基础上很好的包覆作用。
本文中的偶氮类颜料并不限制于某一种或某色系的有机颜料,但受限于即使有机颜料很多是偶氮类颜料,在不同色系里展现的着色力,遮盖力以及吸油指数不尽相同,所导致替代的偶氮类有机颜料无法与纳米二氧化钛/硅酸铝相匹配出现的颜色混乱,色泽暗淡。也存在某种酞菁类颜料与上述的无机复合材料界面相容关系更好,展示的色泽更鲜艳明亮,应用在亚克力板中的力学性能有更好的提升的可能
需要说明的是,在本文中,如若存在第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下,由语句“包括一个……”限定的要素,并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。
Claims (3)
1.纳米包覆性有机颜料,其特征在于:由复合颜料、偶联剂、溶剂和分散剂制备而成;
复合颜料的组分及其质量百分比含量为:偶氮类有机颜料40-80%、无定形硅酸铝10-40%、二氧化钛10-30%;
所述偶联剂为复合颜料质量的2-10%;
所述溶剂和复合颜料的质量比为2-8:1;
所述分散剂的使用量为复合颜料质量的2-10%;
所述纳米包覆性有机颜料采用以下制备方法得到,所述偶氮类有机颜料、偶联剂和纳米二氧化钛按一定比例混合离心震动均匀后,再加入无定形硅酸铝继续搅拌混合均匀、再加入一定比例的溶剂和分散剂搅拌放入球磨机湿法球磨,得到产物;
所述偶联剂为硅烷、甲基丙烯酸乙二醇、铝酸脂中的一种或多种;
所述溶剂为甲基丙烯酸聚氨酯、对苯二甲酸二辛酯、邻苯二甲酸丁酯中的一种或多种。
2.根据权利要求1所述的纳米包覆性有机颜料,其特征在于:所述离心时间为0.5-2h,搅拌时间为0.5-2h,搅拌机转速300-800r/min。
3.根据权利要求1所述的纳米包覆性有机颜料,其特征在于:所述球磨机所用的球珠粒径为1mm、球磨时间为6-24h。
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JP2004224949A (ja) * | 2003-01-24 | 2004-08-12 | Toyo Ink Mfg Co Ltd | 複合化顔料の製造方法 |
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Denomination of invention: Nano coated organic pigments and their preparation methods Granted publication date: 20230811 Pledgee: Industrial and Commercial Bank of China Limited Langxi Branch Pledgor: ANHUI XINTAO PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2024980016138 |