Corrosion Science and Technology

The Corrosion Science Society of Korea (한국부식방식학회)
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Development of anti-corrosive coating technique for alloy plated steel sheet using silane based organic-inorganic hybrid materials

Silane계 유무기 하이브리드 적용 합금도금강판 내식성 향상 코팅 기술 개발

  • Park, Jongwon (Ulsan Industrial Technology Research Center, Research Institute of Industrial Science & Technology) ;
  • Lee, Kyunghwang (Ulsan Industrial Technology Research Center, Research Institute of Industrial Science & Technology) ;
  • Park, Byungkyu (Surface Treatment Department, AK ChemTech Co., Ltd.) ;
  • Hong, Shinhyub (Surface Treatment Department, AK ChemTech Co., Ltd.)
  • 박종원 (포항산업과학연구원 울산플랜트연구본부) ;
  • 이경황 (포항산업과학연구원 울산플랜트연구본부) ;
  • 박병규 (에이케이켐텍 표면처리부) ;
  • 홍신협 (에이케이켐텍 표면처리부)
  • Received : 2013.11.11
  • Accepted : 2013.12.20
  • Published : 2013.12.31
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Abstract

Silane surface treatments have been developed as an alternative for toxic and carcinogenic chromate-based treatments for years. It is consistently observed that ultra-thin films offer excellent corrosion protection as well as paint adhesion to metals. The silane performance is comparable to, or in some cases better than, that of chromate layers. Based on the tetra-ethylorthosilicate(TEOS) and methlyl trieethoxysilane(MTES), inorganic sol was synthesized and formed hybrid networks with $SiO_2$ nano particle and polypropylene glycol(PPG) on Zn alloyed steel surface. According to SST results, addition of 10nm and 50nm $SiO_2$ nanoparticle in synthesized solution improved anti-corrosion property by its shear stress relaxation effect during curing process. Also, SST results were shown that anti-corrosive property was affected by the amounts of organic compounds.

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References

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