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Application of Minitab to the Preparation of Styrene-acrylate Copolymer Emulsion Surface Sizing Agent
  
DOI：10.11980/j.issn.0254-508X.2011.08.005
Key Words:Minitab  response surface methodology  styrene-acrylate copolymer emulsion  silicone modified acrylic emulsion  surface sizing agent
Fund Project:广东省科技计划项目（项目编号：2008B080202002）。
Author NameAffiliation
樊慧明 华南理工大学制浆造纸国家重点实验室，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 
孟凡娜 华南理工大学制浆造纸国家重点实验室，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 华南理工大学制浆造纸国家重点实验室，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 
王道轩 华南理工大学制浆造纸国家重点实验室，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:Styrene-acrylate copolymer emulsion is a type of efficient and low pollution water-resisting agent for papermaking. Surface sized paper has good water resistance, stiffness and strength. By using Minitab, the influences of dosages of emulsifier, initiator and functional monomers on the Cobb value of the sized paper were discussed. An optimal research design was achieved by using response surface methodology and verified by experiments. Styrene-acrylate copolymer emulsion was synthesized by semicontinuous and pre-emulsification emulsion polymerization technology. The structure and properties of the emulsion were finally characterized by FT-IR and AFM. Surface sizing agent was prepared by styrene-acrylate copolymer emulsion and anionic starch. The copy paper sized with this agent showed superior performances compared with those sized with commercial silicone modified acrylic emulsion.
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