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| Research and Application of Cationic Starch and Calcium Carbonate Pre-flocculation Filling Technology |
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| DOI：10.11980.j.issn.0254-508X.2015.04.003 |
| Key Words:cationic starch calcium carbonate filler pre-flocculation |
| Author Name | Affiliation | | ZHU Hong-wei1,* | Yueyang Forest & Paper Co., Ltd., Yueyang, Hu′nan Province, 414002 | | LIU Chun-jing1 | Yueyang Forest & Paper Co., Ltd., Yueyang, Hu′nan Province, 414002 | | YIN Hui1 | Yueyang Forest & Paper Co., Ltd., Yueyang, Hu′nan Province, 414002 | | LUO Yun-ying2 | National Quality Supervision and Inspection Center of Household Paper, Changde, Hu’nan Province, 415000 |
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| Abstract:The Cationic starch and calcium carbonate flocculate with good stability and uniform particle size by pre flocculating cationic starch of certain cationic degree and charge density and calcium carbonate in a specific mixing equipment. When the flocculate was used for paper filling the bonding ability of the filler was enhanced, due to the starch covered on the filler surface, paper strength especially surface strength and wet end retention were improved significantly. The technology was applied to printing and writing paper production on PM2 of Yueyang Forest & Paper Corporation,it improved good retention effect, and filler retention rate was increased by 24.2%. |
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