대한화장품학회지 (Journal of the Society of Cosmetic Scientists of Korea)

  • 제40권2호
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  • Pages.121-131
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  • 2014
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  • 1226-2587(pISSN)
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  • 2288-9507(eISSN)
대한화장품학회 (Society of Cosmetic Scientists of Korea)
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이산화규소가 코팅된 산화아연의 제조와 자외선 차단 특성

Preparation of Silica Coated Zinc Oxide and UV Protection Effect

  • 김원종 ((주)한국화장품제조 기술개발연구소) ;
  • 강국현 (충북대학교 공업화학과) ;
  • 이기용 ((주)한국화장품제조 기술개발연구소) ;
  • 김태원 ((주)한국화장품제조 기술개발연구소) ;
  • 최종완 ((주)한국화장품제조 기술개발연구소) ;
  • 이동규 (충북대학교 공업화학과)
  • Kim, Won Jong (R&D Center, Hankook Cosmetics MAFG Co., Ltd.) ;
  • Kang, Kuk Hyoun (Department of Engineering Chemistry, Chungbuk National University) ;
  • Lee, Gi Yong (R&D Center, Hankook Cosmetics MAFG Co., Ltd.) ;
  • Kim, Tae Won (R&D Center, Hankook Cosmetics MAFG Co., Ltd.) ;
  • Choi, Jong Wan (R&D Center, Hankook Cosmetics MAFG Co., Ltd.) ;
  • Lee, Dong Kyu (Department of Engineering Chemistry, Chungbuk National University)
  • 투고 : 2013.11.29
  • 심사 : 2014.01.07
  • 발행 : 2014.06.30
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초록

산화아연은 뛰어난 자외선 산란효과로 인해 자외선 차단 화장품에 널리 이용되고 있다. 최근 화장품용으로 쓰이는 산화아연은 자외선 차단 특성, 사용감, 광촉매 활성 저하, 분산성 및 안정성 등을 보다 우수하게 하기 위해 이산화규소 등의 물질로 표면처리 하는 방법이 시행되어지고 있다. 본 연구에서는 광 노화의 원인인 자외선을 차단하는 이산화규소가 코팅된 산화아연 복합 분체를 개발하였다. 화장품 업계에서 일반적으로 쓰이는 마이크로 크기의 산화아연에 사용감, 자외선 차단 특성을 보다 우수하게 하기 위해 산업적인 용도로 많이 쓰이는 규산나트륨을 사용하여 코팅하였다. 이산화규소를 코팅하기 위해 규산나트륨과 산의 가수분해 반응에 의한 수열합성법을 적용하였다. 제조된 복합 분체의 자외선 차단 효과는 UV-Vis과 in-vitro 측정을 통하여 평가하였다. 또한 화장품에 실제 적용 하였을 때의 실질적인 장점을 확인하기 위해 사용자 관능 평가를 통해 비교분석 하였다.

Due to the high UV light scattering effect of Zinc oxide (ZnO), it is frequently used in sunscreen skincare products. Recently ZnO coated with silica has been used in cosmetics to improve UV protection, texture, decreased photocatalytic activity, dispersibility and stability of the skin care product. In this study, we developed a ZnO composite powder coated with silica for the future application to skincare products to block UV rays that could cause photoaging. To improve consumer's satisfaction rating, we used ZnO microparticles which are widely used in the cosmetics industry. The silica was coated using hydrothermal method with sodium silicate and acid hydrolysis. UV protection of the composite powder was analyzed by UV-Vis and in-vitro test and the advantages for practical use of this powder as a skincare product were determined.

키워드

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