한국재료학회지 (Korean Journal of Materials Research)

  • 제27권1호
  • /
  • Pages.12-18
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  • 2017
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  • 1225-0562(pISSN)
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  • 2287-7258(eISSN)
한국재료학회 (Materials Research Society of Korea)
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투명 유-무기 하이브리드 하드코팅 필름 제조 및 SiO2 또는 ZrO2함량에 따른 필름의 물성

Preparation of Transparent Organic-Inorganic Hybrid Hard Coating Films and Physical Properties by the Content of SiO2 or ZrO2 in Their Films

  • 설현태 (한국세라믹기술원 에코복합소재센터) ;
  • 나호성 (한국세라믹기술원 에코복합소재센터) ;
  • 권동주 (존스미디어(주) 중앙연구소) ;
  • 김정섭 (존스미디어(주) 중앙연구소) ;
  • 김대성 (한국세라믹기술원 에코복합소재센터)
  • Seol, Hyun Tae (Eco-Composite Materials Center, Korea Institute of Ceramic Engineering & Technology (KICET)) ;
  • Na, Ho Seong (Eco-Composite Materials Center, Korea Institute of Ceramic Engineering & Technology (KICET)) ;
  • Kwon, Dong Joo (Johns Media Co., Ltd.) ;
  • Kim, Jung Sup (Johns Media Co., Ltd.) ;
  • Kim, Dae Sung (Eco-Composite Materials Center, Korea Institute of Ceramic Engineering & Technology (KICET))
  • 투고 : 2016.11.03
  • 심사 : 2016.11.18
  • 발행 : 2017.01.27
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초록

Transparent organic-inorganic hybrid hard coating films were prepared by the addition of $SiO_2$ or $ZrO_2$, as an inorganic filler to improve the hardness property, filler was highly dispersed in the acrylic resin. To improve the compatibility in the acrylic resin, $SiO_2$ or $ZrO_2$ is surface-modified using various silanes with variation of the modification time and silane content. Depending on the content and kind of the modified inorganic oxide, transparent modified inorganic sols were formulated in acryl resin. Then, the sols were bar coated and cured on PET films to investigate the optical and mechanical properties. The optimized film, which has a modified $ZrO_2$ content of 4 wt% markedly improved in terms of the hardness, haze, and transparency as compared to neat acrylate resin and acrylate resin containing modified $SiO_2$ content of 8 wt%. Meanwhile, the low transparency and high haze of these films slowly appeared at $SiO_2$ content above 10 wt% and $ZrO_2$ content of 5 wt%, but the hardness values were maintained at 2H and 3H, respectively, in comparison with the HB of neat acrylate resin.

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