Polymer(Korea) (폴리머)

The Polymer Society of Korea (한국고분자학회)
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Gradient Structure and Surface Property of Fluorinated Polyacrylate and Polyurethane Latex Blend Films

불소화 폴리아크릴레이트-폴리우레탄 라텍스 혼성필름의 그레디언트 구조와 표면성질

  • Zhu, Min (College of Textile and Clothing Engineering, National Engineering Laboratory for Modern Silk, Soochow University) ;
  • Chen, Kun (College of Textile and Clothing Engineering, National Engineering Laboratory for Modern Silk, Soochow University) ;
  • Zhang, Yufang (College of Textile and Clothing Engineering, National Engineering Laboratory for Modern Silk, Soochow University) ;
  • Wang, Xiangrongm (College of Textile and Clothing Engineering, National Engineering Laboratory for Modern Silk, Soochow University) ;
  • Zhou, Xiangdong (College of Textile and Clothing Engineering, National Engineering Laboratory for Modern Silk, Soochow University)
  • Received : 2013.10.07
  • Accepted : 2013.12.20
  • Published : 2014.05.25
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Abstract

In order to investigate the characteristics of the gradient fluorinated polyacrylate and polyurethane latex blend films, the fluorinated polyacrylate emulsion and the polyurethane emulsion were synthesized, and then the both emulsions were blended at a series of ratios. The effects of content of the fluorinated polyacrylate on the gradient structure and surface property of the blended films were assessed by AFM, XPS, SEM-EDX and surface free energy measurements. It appeared that, while the content of the fluorinated polyacrylate latex was up to 30%, the fluorinated polyacrylate particles were selectively gathered on the film-air (F-A) and film-glass (F-G) interfaces at room temperature. When the content of the fluorinated polyacrylate was under 30%, the gradient structure of fluorinated component was not evident. The further increasing of fluorinated polyacrylate in the mixed system facilitated the formation and enlargement of gradient structure, but the adhesion of film decreased a little.

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