| 滑石颜料高剪切流变性能的研究 |
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| 引用本文： | 狄宏伟,孙德文,宋宝祥.滑石颜料高剪切流变性能的研究[J].中国造纸,2010,29(8). |
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| 作者姓名： | 狄宏伟 孙德文 宋宝祥 |
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| 作者单位： | 1. 昆山钞票纸业有限公司,江苏昆山,215335;中国制浆造纸研究院,北京,100020
2. 中国制浆造纸研究院,北京,100020 |
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| 摘 要： | 使用毛细管高剪切黏度仪研究了滑石颜料分散体系的高剪切黏度性能,以及pH值、固含量、不同分散剂和润湿剂、不同粒径分布对滑石分散体系高剪切黏度的影响。同时还研究了滑石与GCC及高岭土混合浆料的高剪切黏度性能。结果表明,滑石含量越高、粒度越细,其分散浆料的高剪切黏度值越大。同时发现,滑石高剪切黏度受分散剂和润湿剂的影响不大。提高pH值有利于降低滑石分散体系的高剪切黏度。滑石与GCC混合浆料的高剪切黏度随着GCC粒度的变细而降低。当滑石与GCC的体系中加入高岭土后,混合浆料的高剪切黏度大幅增大,且随着GCC粒度的变细而增大。
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| 关 键 词： | 滑石 高剪切黏度 pH值 分散剂 润湿剂 固含量 |
Study on the High-shear Rheological Properties of the Talc |
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| DI Hong-wei,SUN De-wen,SONG Bao-xiang.Study on the High-shear Rheological Properties of the Talc[J].China Pulp & Paper,2010,29(8). |
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| Authors: | DI Hong-wei SUN De-wen SONG Bao-xiang |
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| Affiliation: | DI Hong-wei1,2,SUN De-wen2 SONG Bao-xiang2(1.Kunshan Banknote Paper Co.,Ltd.,Kunshan,Jiangsu Province,215335,2.China National Pulp and Paper Research Institute,Beijing,100020) |
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| Abstract: | The high-shear viscosity of the talc using as coating pigment was studied by the high-shear capillary viscometer,the influence of pH value,solid content,dispersant,wetting agent,and particle size distribution on the high-shear viscosity of the talc was also investigated.The high-shear viscosity of talc slurry mixed with the GCC and kaolin was also studied.The results showed that the higher the talc content and the finer the particle size,the higher the high-shear viscosity of its slurry.The impact of disper... |
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| Keywords: | talc high-shear viscosity pH value dispersant agent wetting agent solid content |
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