| 新型表面活性剂对酞菁蓝颜料的表面处理及表面性质的研究 |
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| 引用本文： | 徐燕莉,郭新华,杨国武.新型表面活性剂对酞菁蓝颜料的表面处理及表面性质的研究[J].染料与染色,2003,40(2):65-67. |
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| 作者姓名： | 徐燕莉 郭新华 杨国武 |
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| 作者单位： | 北京化工大学应用化学系,北京,100029 |
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| 摘 要： | 本文自行设计并合成出新型颜料分散剂RSJ,用于酞菁蓝颜料的表面改性处理。分别研究在不同RSJ加量条件下酞菁蓝颜料临界润湿表面张力、表面自由能、流动性以及水相中分散稳定性的改善效果,并从中发现:经RSJ0.5％～3.0％添加量改性处理后,颜料临界润湿表面能γ_c由23mN/m变为34.8mN/m,提高了51％;对水的接触角由82.4°变为47°,减小了47％。表面自由能中的色散成分γ_s~d变化不大,可以认为保持不变,但是γ_s~p却由18.9mN/m变大为27.2mN/m,使得γ_s整体提高13％。此外,流动性提高2.5倍,水中分散稳定性提高了29％。
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| 关 键 词： | 新型 表面活性剂 酞菁蓝颜料 表面处理 表面性质 |
| 文章编号： | 1672-1179(2003)02-0065-3 |
| 修稿时间： | 2002年7月1日 |
The Surface Treatment of Phthalocyanine Pigment with A New Type of Surfactant |
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| XU Yan-Ii GUO Xin-hua YANG Guo-wu.The Surface Treatment of Phthalocyanine Pigment with A New Type of Surfactant[J].Ranliao yu Ranse,2003,40(2):65-67. |
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| Authors: | XU Yan-Ii GUO Xin-hua YANG Guo-wu |
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| Abstract: | A new type of dispersant (RSJ) was designed and synthesized. The surface treatment of phthalocyanine blue by RSJ was studied. When the addition of RSJ was within the range of 0.5% to 3%, the critical wetting surface tension( Yt) increased from 23mN/m to 34.8mN/ m, the polar component of surface free energy increased from 18.9mN/m to 27.2 mN/m, the dispersion component of surface free energy was considered to be constant and the surface free energy increased 13%. The dispersion stability of phthalocyanine blue in water was improved by RSJ. |
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| Keywords: | Tween-20 chloroacetic acid dispersant surface treatment phthalocyanine blue |
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