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Application of Ground Calcium Carbonate Covered with Starch Sodium Starch-Sodium Stearate Complex as Paper Filler
  
DOI：10.11980/j.issn.0254-508X.2014.07.002
Key Words:starch-sodium stearate complexes  modified GCC  ash  strength
Fund Project:广东省科技计划项目（2011B010300015）；科技部科技型中小企业创新基金（12C26214405137）。
Author NameAffiliation
樊慧明 华南理工大学制浆造纸工程国家重点实验室，华南理工大学造纸与污染控制国家工程研究中心，广东广州，510640 
徐镔烽 华南理工大学制浆造纸工程国家重点实验室，华南理工大学造纸与污染控制国家工程研究中心，广东广州，510640 
刘建安,sup>* 华南理工大学制浆造纸工程国家重点实验室，华南理工大学造纸与污染控制国家工程研究中心，广东广州，510640 
张　成 华南理工大学制浆造纸工程国家重点实验室，华南理工大学造纸与污染控制国家工程研究中心，广东广州，510640 
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Abstract:Starch-sodium stearate complexes from the complex reaction of starch and sodium stearate in certain condition can be used to modify GCC by forming a coating larger on its surface. The modified GCC can mitigate the negative effect on paper strength when it is used as filler. The paper compared the relations of ash content and strength of the paper when various dosages of modified and unmodified fillers were used, to illustrate the influence of the covering amount of starch-sodium stearate complexes of GCC on the improvement of ash content and strength of the paper.
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