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미래산업에 적용가능한 점토 화합물: 식품포장 및 환경개선
Engineered Clay Minerals for Future Industries: Food Packaging and Environmental Remediation 원문보기

韓國鑛物學會誌 = Journal of the Mineralogical Society of Korea, v.29 no.2, 2016년, pp.35 - 45  

김형준 (연세대학교 과학기술대학 화학및의화학과) ,  오제민 (연세대학교 과학기술대학 화학및의화학과)

초록
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점토광물은 자연에서 쉽게 얻을 수 있고, 환경친화적이며 다양한 물리화학적 특성을 갖고 있어 인류 역사상 여러 분야에 활용되어 왔다. 최근에는 몬모릴로나이트, 카올리나이트, 세피올라이트, 금속이중층수산화물과 같은 점토 화합물에 화학적 개질을 도입하여 산업분야에 활용하고자 하는 연구가 활발히 진행되고 있다. 넓은 비표면적과 높은 측면비율, 나노수준의 입자 두께, 그리고 조절가능한 표면전하를 갖는 점토화합물에 화학적 개질을 적용하면, 고분자의 기계적 성질과 기체차단성을 개선하고, 고분자 필름에 지속적 항균성을 부여하는 충전제로 사용할 수 있다. 또한, 개질된 점토화합물은 높은 흡착능과 화학적 선택성을 지니므로, 수질이나 토양을 오염시키는 화학적, 생물학적 오염원을 효과적으로 제거하는 물질로도 활용 가능하다. 본 논평에서는 이러한 점토화합물들이 미래의 주요산업군인 식품포장재 및 환경개선 분야에 활용될 가능성에 대해 최근 연구 결과를 소개하고자 한다.

Abstract AI-Helper 아이콘AI-Helper

Clays, which are abundant in nature and eco-friendly, have been utilized throughout human history due to their characteristic physicochemical properties. Recently, a variety of clays such as montmorillonite, kaolinite, sepiolite and layered double hydroxide with or without chemical modification have...

주제어

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제안 방법

  • They utilized carrageenan films for this purpose. Carrageenan alone, carrageenan with 10% glycerol as a dispersant, and nanocomposite films of carrageenan (with 10% glycerol) and mica (1, 5, 10 and 20%, respectively) were prepared using a solution-casting method. The water permeability of the carrageenan film was determined to be 6.
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