Journal of Adhesion and Interface (접착 및 계면)

The Society of Adhesion and Interface, Korea (한국접착및계면학회)
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Adhesive Properties of Starch-Derived Maltose-Acryl Copolymer

전분 유래 엿당-아크릴 공중합체의 접착물성에 관한 연구

  • Received : 2020.12.02
  • Accepted : 2020.12.11
  • Published : 2020.12.31
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Abstract

Recently, people's interest in eco-friendly plastics derived from nature to replace petroleum-based plastics is increasing due to environmental problems such as microplastics. In line with this trend, eco-friendly adhesives using natural materials and processes are also being developed in the adhesive field. Among them, maltose is a natural substance derived from starch and is the main component of starch syrup used as a food additive. Due to its lower molecular weight than starch, it is easily soluble in water, and above all, there is a possibility that it can be copolymerized with other monomers through solution polymerization. However, researches related to the application of maltose to adhesives are very rare. In this study, after modifying maltose using acrylic anhydride, the product was analyzed through FT-IR and H-NMR. And the modified maltose was copolymerized with two kinds of acrylic monomers. The synthesized adhesive was applied on the wood and the adhesive performance were investigated.

최근 미세플라스틱과 같은 환경 문제로 석유계 플라스틱을 대체할 자연 유래 친환경 플라스틱에 대한 사람들의 관심이 증가하고 있다. 점·접착제 분야에서도 이런 추세에 맞추어 천연 유래 소재를 이용한 친환경 점·접착제들이 개발되고 있다. 그 중에서 엿당은 전분에서 유래한 천연 물질이며 식품 첨가제로 쓰이는 물엿의 주성분이다. 전분보다 낮은 분자량 때문에 물에 쉽게 녹고 무엇보다 이를 이용해 용액중합으로 다른 단량체와 공중합 될 수 있다는 가능성이 있다. 그러나 아직 엿당을 이용하여 점·접착제에 응용한 연구는 미비한 실정이다. 본 연구에서는 엿당을 아크릴 무수물로 개질한 후 FT-IR과 H-NMR을 통해 개질여부를 확인하였다. 그리고 개질한 엿당을 2종의 아크릴 단량체와 공중합 하였다. 합성한 수지의 접착 성능은 목재접착을 통해 조사하였다.

Keywords

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