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Application of Nano-coated Ground Calcium Carbonate as Paper Filler
  
DOI：10.11980/j.issn.0254-508X.2013.02.004
Key Words:ground calcium carbonate  Ca(OH)2-H2O-CO2 system  nano-coated  paper filler
Fund Project:国家自然基金项目（51172125，51072097，50974079）。
Author NameAffiliation
刘　银1 1.天津科技大学材料科学与化学工程学院，天津，300457 
吴　燕1,* 1.天津科技大学材料科学与化学工程学院，天津，300457 
杨玉芬2 2.清华大学材料系粉体工程研究室，北京，100084 
盖国胜2 2.清华大学材料系粉体工程研究室，北京，100084 
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Abstract:The surface of ground calcium carbonate (GCC) was modified in the system of Ca(OH)2-H2O-CO2and realized nano-coated. The surface morphologies of the GCC before and after modification were investigated with the help of SEM. The influences of 500 mesh, 800 mesh and 1250 mesh GCC with and without modification used as filler on the paper properties were studied, the results showed that: the surface properties of GCC and the filler retention rate were improved after modification, the paper absorptivity reduced, and the paper strength increased, the particle size (different mesh) had little effect on paper’s performances.
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