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CaCO3 from Causticizing Line Mud for Use as Paper Filler: AKD Size Migration and Its Suppression |
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DOI:10.11980/j.issn.0254-508X.2016.11.001 |
Key Words:causticizing calcium carbonate sizing efficiency of AKD migration of AKD |
Author Name | Affiliation | 刘 念1 | 1.陕西科技大学轻工科学与工程学院,陕西西安,710021 | 王 建1,2 | 1.陕西科技大学轻工科学与工程学院,陕西西安,710021;2.陕西省造纸技术及特种纸品开发重点实验室,陕西西安,710021 | 钱 丽1 | 1.陕西科技大学轻工科学与工程学院,陕西西安,710021 | 党 苗1 | 1.陕西科技大学轻工科学与工程学院,陕西西安,710021 |
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Abstract:The migration and its suppression of alkyl ketene dimer (AKD) and in the paper filled with CaCO3 from causticizing line mud were studied. The results showed that electrostatic interaction was a principal factor effecting efficiency of AKD; the more quantity migration of adsorbed AKD during drying process of the paper might be the main reason for the lower sizing degree of the paper filled with the line mud CaCO3 comparing with PCC filled paper; the sizing efficiency of AKD could be improved by controlling the migration of adsorbed AKD using cationic starch, however it still did not reach the same efficiency as in the PCC filled paper. |
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