Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Preparation and Coating of Red Colored Artificial Pearl by CVD Method

CVD법을 이용한 적색 인조진주 코팅 및 제조

  • Shin, Cheol-Woo (Department of Engineering Chemistry, Chungbuk National University) ;
  • Choi, Kyoung-Rim (Department of Engineering Chemistry, Chungbuk National University) ;
  • Lee, Dong-Kyu (Department of Engineering Chemistry, Chungbuk National University)
  • Received : 2018.08.15
  • Accepted : 2018.09.20
  • Published : 2018.09.30
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Abstract

Demand for developing artificial green pearl that meets the needs of modern people has been increasing. In this paper, eco-friendly inorganic pearlescent pigment was used instead of organic pigment and urethane resin was substituted for nitrocellulose which has been used as main materials in previous preparation method, increasing gloss from 73.4% to 86.7%. Urethane was coated on substrate before finishing with CVD, resulting high gloss of 96%. Colorimeteric analysis shows that a* and b* of CIE value was changed from +37.7 and +24.5 to +31.9 and +14.2 respectively because of CVD finishing, obtaining colorful, high gloss and durable artificial pearl. Quality and toxicity of samples was established by chemical resistance, glossiness, colorimeter, surface roughness, wear resistance, content of heavy-metal, and salt water test.

현대인의 눈높이에 맞는 친환경적인 고급품질의 인조진주 제품개발이 세계의 악세사리 및 생활용품 시장에서 요구되고 있다. 본 연구는 고품질의 인조진주 제품을 경제적으로 대량생산하기 위한 방법으로 유기안료를 인조진주 제조용 친환경 무기안료로 대체하고 기존 제조 방식에서 사용하는 주재료였던 니트로셀룰로오스를 우레탄 바인더로 대체하여 광택도가 73.4%에서 86.7%로 증가하였으며 CVD 마감처리 후에는 96%의 높은 광택도를 가졌다. 색차분석 결과 CVD 코팅으로 인하여 빛의 간섭효과 때문에 a*와 b*값이 각각 +37.7에서 +31.9로, +24.5에서 +14.2로 감소하면서 다양한 색을 발현하여 영롱한 빛깔의 인조진주가 제조되었다. 마감 증착된 고품질의 인조진주의 내화학성, 광택도, 색차계, 표면 거칠기, 내마모성, 중금속함량검사, 염수분무테스트 등을 분석하여 품질향상 및 인체 무해성을 확인하였다.

Keywords

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