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

Hyun Tae Seol; Ho Seong Na; Dong Joo Kwon; Jung Sup Kim; Dae Sung Kim

doi:10.3740/MRSK.2017.27.1.12

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Preparation of Transparent Organic-Inorganic Hybrid Hard Coating Films and Physical Properties by the Content of SiO₂ or ZrO₂ in Their Films 투명 유-무기 하이브리드 하드코팅 필름 제조 및 SiO₂ 또는 ZrO₂함량에 따른 필름의 물성

January 2017. pp. 12-18

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Abstract

Transparent organic-inorganic hybrid hard coating films were prepared by the addition of SiO₂ or ZrO₂, 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, SiO₂ or ZrO₂ 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 ZrO₂ 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 SiO₂ content of 8 wt%. Meanwhile, the low transparency and high haze of these films slowly appeared at SiO₂ content above 10 wt% and ZrO₂ content of 5 wt%, but the hardness values were maintained at 2H and 3H, respectively, in comparison with the HB of neat acrylate resin.

Keywords

acrylic resin

silica sol

zirconia sol

transparent organic-inorganic hybrid film

hard coating

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Information

Publisher :Materials Research Society of Korea
Publisher(Ko) :한국재료학회
Journal Title :Korean Journal of Materials Research
Journal Title(Ko) :한국재료학회지
Volume : 27
No :1
Pages :12-18
Received Date : 2016-11-03
Revised Date : 2016-11-17
Accepted Date : 2016-11-18
DOI :https://doi.org/10.3740/MRSK.2017.27.1.12

Korean Journal of Materials Research ISSN:1225-0562(Print) 2287-7258(Online) 한국재료학회지

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