Page 38 - 201811
P. 38

·1824·                            精细化工   FINE CHEMICALS                                  第 35 卷

                                                               能够抑制有机颜料的热分解速度,可有效提升颜料
                                                               的热稳定性。
                                                                   (4)C.I.PR31*-2SiO 2 制备的颜料色浆具有最
                                                               高的比吸光度,分散稳定性好,黏度比 C.I.PR31 和
                                                               C.I.PR31*制备的色浆小,流动性更佳。
                                                                   综上所述,对颜料进行松香酸改性处理且在其
                                                               表面包覆无机物 SiO 2 能够有效地改变颜料的极性、
                                                               分散稳定性、晶体堆砌方式等性能,使之更加适用
                                                               于水性分散体系。

                         图 9   颜料流变性能比较
            Fig.9    Comparison of rheological properties of pigment   参考文献:
                   samples                                     [1]   Zhang Qingyun (张庆云), Xie Xuehui (谢学辉), Liu Jianshe (柳建
                                                                   设). Research overview of microbial co-metabolism on printing and
            始有机颜料制备的色浆。主要由于偶合过程中松香                                 dyeing wastewater treatment: a review[J]. Chemical Industry and
                                                                   Engineering Progress (化工进展), 2017, 36(9): 3492-3501.
            酸阻止了晶核的进一步成长,使颜料粒子的粒径明
                                                               [2]   Xie Xuehui (谢学辉), Liu Na (刘娜), Zhu Wenxiang (朱文祥), et al.
            显减小,且颗粒大小较为均匀,加之其在水性介质                                 Construction of bioaugmentation engineered bacteria and their application
            中亲水性好,分散稳定,明显地改善了颜料的抗絮                                 on dyeing wastewater decolorizing: a  review[J]. Chemical Industry
                                                                   and Engineering Progress (化工进展), 2013, 32(4): 869-873.
            凝性,使颜料色浆具有较好的流变性能。C.I.PR31*-
                                                               [3]   Bazrafshan Z, Ataeefard M, Nourmohammadian F. Modeling the
            2SiO 2 表面完全亲水,分散性进一步提升,故与                              effect of pigments and processing parameters inpolymeric composite
            C.I.PR31、C.I.PR31*制备的色浆相比黏度更小,流                        for printing ink application using the response surface methodology
                                                                   [J]. Progress in Organic Coatings, 2015, 82(5): 68-73.
            变性能更佳。有机颜料用于印花色浆或油墨中时应                             [4]   Percy M J, Michailidou V, Armes S  P,  et al. Synthesis of vinyl
            具有较佳的流变性能。以水性油墨为例,流变性能                                 polymer-silica colloidal nanocomposites via aqueous dispersion
            差易导致油墨传递、转移困难;流动性过强,则印                                 polymerization[J]. Langmuir, 2003, 19(6): 2072-2079.
                                                               [5]   Patole A S, Patole S P, Kang H,  et al. A facile  approach to the
            迹易铺展,网点扩大严重,影响印刷品的清晰度、                                 fabrication of graphene/polystyrene nanocomposite by in situ
            层次及颜色的表现;较好的流变性能则可使网点准                                 microemulsion  polymerization[J]. Journal of Colloid and Interface
                                                                   Science, 2010, 350(2): 530-537.
            确呈现,且边缘清晰,图文清晰度佳。
                                                               [6]   Landfester K. Miniemulsion polymerization and the structure of
                                                                   polymer and hybrid nanoparticles[J]. Angewandte Chemie International
            3   结论                                                 Edition, 2009, 48(25): 4488-4507.
                                                               [7]   Yun K M, Suryamas A B, Hirakawa C, et al. A new physical route to
                 (1)在偶合过程中采用松香酸对 C.I.PR31 进                        produce monodispersed microsphere nanoparticle-polymer composites[J].
                                                                   Langmuir, 2009, 25(18): 11038-11042.
            行改性处理可使颜料晶体形貌由长条状转呈圆片
                                                               [8]   Yuan Junjie (袁俊杰). Encapsulation of organic pigments with nano
            状,极性明显增强。其用量为总反应物质量的 3%                                inorganic oxides and its application in coatings[D]. Shanghai: Fudan
            时,可使颜料与水之间的接触角由 68.5°降至 52.8°,                         University (复旦大学), 2006.
                                                               [9]   Ali S I, Heuts J P, Hawkett B S, et al. Polymer encapsulated gibbsite
            Zeta 电位绝对值由 14.6 mV 升至 20.7 mV,粒径及                     nanoparticles: efficient preparation of anisotropic composite  latex
            粒径分布明显变窄,具有最佳的亲水性能。                                    particles by RAFT-based starved feed emulsion polymerization[J].
                                                                   Langmuir, 2009, 25(18): 10523-10533.
                 (2)经过松香酸改性后颜料色样偏向红色和蓝
                                                               [10]  Widiyandari H, Iskandar F, Hagura N,  et al. Preparation and
            色,与标准样(C.I.PR31)相比色差(ΔE)为 0.68。                        characterization of nanopigment-poly(styrene-co-n-butyl  acrylate-
            冲淡后颜料的着色力为 104.95%,上升了约 4.95%;                         co-methacrylic acid) composite particles by high speed
                                                                   homogenization-assisted suspension polymerization[J]. Journal of
            SiO 2 的包覆层越多,色调偏转程度越大,越偏向绿                             Applied Polymer Science, 2008, 108(2): 1288-1297.
            色和蓝色方向。2 层及 2 层以上的 SiO 2 几乎能够将                     [11]  Noshchenko O, Kuscer D, Mocioiu O C, et al. Effect of milling time
                                                                   and pH on the dispersibility of lead  zirconatetitanate in aqueous
            有机颜料颗粒表面完全包覆,使颜料接触角降至 0,
                                                                   media for inkjet printing[J]. Journal of the European Ceramic
            显示出完全亲水的性能。C.I.PR31*-2SiO 2 的着色力                       Society, 2014, 34(2): 297-305.
            可达 105.09%,提高了 5.09%,与标准样的色差(ΔE)                   [12]  Qi Y L, Xiang B, Tan W B, et al. Hydrophobic surface modification
                                                                   of TiO 2 nanoparticles for production of acrylonitrile-styrene-acrylate
            为 0.96,符合油墨和涂料的生产要求。                                   terpolymer/TiO2 composited cool materials[J]. Applied Surface
                 (3)C.I.PR31 经过松香酸改性和 SiO 2 包覆后                    Science, 2017, 419 (8): 213-223.
                                                               [13] Liu Sisi (刘思思). Wettability and tribology properties of microscale
            热分解温度 T 5% 由 281 ℃升至 285 ℃和 297℃,最大
                                                                   silicon-based superhydrophobic surface[D]. Beijing:  Beijing Jiaotong
            失重率对应的温度 T max 由 507 ℃升至 528 ℃和                        University (北京交通大学), 2013.

            550 ℃,稳定性逐步提升,表明 SiO 2 在一定程度上                                                   (下转第 1833 页)
   33   34   35   36   37   38   39   40   41   42   43