Preparation and properties of hydrophilic PR 57:1 with inorganic core/solid solution shell
Preparation and properties of hydrophilic PR 57:1 with inorganic core/solid solution shell
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无机核/固溶体壳亲水P.R. 57:1的制备及性能
DOI：
10.1016/j.dyepig.2020.108699
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发表时间：
2020-12-01
影响因子：
4.5
通讯作者：
Liu, Lijuan
中科院分区：
文献类型：
--
作者：
Ren, Fuxiong;Fei, Xuening;Liu, Lijuan
通过在不同无机核表面原位形成颜料固溶体制备了一系列改性颜料红57：1(P.R.57：1)。考察了芯型(硅胶、高岭土、海泡石和二氧化硅微粉)和芯粒尺寸(硅微粉850目和1250目)对改性颜料性能的影响，发现以硅胶为芯的颜料性能最好。以沙弗盐、托拜厄斯酸和磺基甲苯甲酸为第二组分，DSC和X射线衍射仪分析表明，它们都在无机核表面形成了颜料固溶体。当磺基托拜厄斯酸用量为3%，无机核为硅胶时，改性颜料的粒径最小，粒径分布最窄，呈蓝红色，与市售颜料样品C.P.R.57：1相近。此外，接触角、Zeta电位分析结果和水性油墨测试结果表明，改性颜料的亲水性明显提高。
A series of modified pigment red 57:1(P. R. 57:1) were prepared by forming a pigment solid solution in-situ on the surface of different inorganic cores. Influence of core type (silica gel, kaolin, sepiolite and silica micropowder) and core size (silica micropowder 850 mesh and 1250 mesh) on the properties of the modified pigments were investigated, and it was found that the pigment with silica gel as core had the best performance. The schaffer's salt, tobias acid and sulpho toluic acid were used as the second components, and DSC and XRD analysis result showed that they all formed a pigment solid solution on the surface of the inorganic cores. When the amount of sulpho tobias acid was 3% and the inorganic core was silica gel, the modified pigment had the smallest particle size, narrowest particle size distribution and showed blue-red color, which was similar to the commercial available pigment sample C. P. R. 57:1. Moreover, the contact angle, Zeta potential analysis results and water-based ink test results showed that the hydophilicity of the modified pigments was obviously improved.