스크럽 화장품에 첨가된 구형 마이크로비드의 성상과 미세구조
Fine Structure and Component of Spherical Microbeads in Scrub Cosmetics
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초록
본 연구는 해양 오염원중의 하나인 스크럽 화장품에 첨가되어 있는 마이크로비드의 미세구조적 특징과 구성 원소성분을 주사전자현미경과 에너지분산분광분석기로 관찰 조사하였다주사전자현미경관찰에서 스크럽 화장품에 첨가된 마이크로비드는 구형의 형태로 직경이 250㎛부터 500㎛ 까지 다양한 크기로 관찰되었고 균질한 표면에는 약간의 미세한 균열과 굴곡진 부분이 관찰되었다. 에너지분산분광분석기로 마이크로비드의 구성원소 성분을 분석한 결과 탄소와 산소 원소가 검출되었다. 본 연구의 스크럽 화장품에서 추출한 마이크로비드의 성분은 microcrystalline cellulose으로 확인되었다. Microcrystalline cellulose는 생중합체로서 화학적으로 변형이 되면 분해되지 않는 특성을 가지고 있어서 이들 성분에 대한 해양오염원에 대한 지속적인 연구가 수행되어야 한다.
Abstract
We investigated the fine structure and the elements of microbead that is scrubbing agent in scrub cosmetics by scanning electron microscopy and energy dispersive X-ray spectrometry. In the scanning electron microscopic observation, microbeads in scrubbing cosmetics are spherical and have been observed in varying sizes from 250 μm to 500 μm in diameter. the microbead surface is not very smooth, but there is not much cracking or gap. The analysis with the energy dispersive X-ray spectrometry showed that carbon and oxygen elements were detected in the microbeads. The microbead components of scrubbing agent used as experimental materials in this study were identified as microcrystalline cellulose.
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