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Base Study Related with Development of Natural Bio-Adhesives Using Seaweeds

해초류를 이용한 천연 바이오 접착제 개발 기반 연구

  • Han, Won-Sik (Laboratory for Applications and Fair of Inorganic material, Hanseo University) ;
  • Oh, Seung-Jun (Conservation Science Division, Korean Institute for Archaeology & Environment) ;
  • kim, Young-Mi (The Research center of Conservation Science for Cultural Heritage, Hanseo University) ;
  • Lee, You-Jin (The Research center of Conservation Science for Cultural Heritage, Hanseo University) ;
  • Kim, Ye-Jin (The Research center of Conservation Science for Cultural Heritage, Hanseo University) ;
  • Park, Min-Seon (The Research center of Conservation Science for Cultural Heritage, Hanseo University) ;
  • Wi, Koang-Chul (The Research of Conservation Science for Cultural Heritage, Hanseo University)
  • 한원식 (한서대학교 무기 재료 공정 및 응용 연구소) ;
  • 오승준 ((재)한국고고환경연구소 보존과학실) ;
  • 김영미 (한서대학교 문화재보존과학연구센터) ;
  • 이유진 (한서대학교 문화재보존과학연구센터) ;
  • 김예진 (한서대학교 문화재보존과학연구센터) ;
  • 박민선 (한서대학교 문화재보존과학연구센터) ;
  • 위광철 (한서대학교 문화재보존학과)
  • Received : 2018.11.09
  • Accepted : 2018.12.10
  • Published : 2018.12.20

Abstract

In this study, in a bid to develop natural bioadhesives for paper craft, the hanji industry, and preserving cultural assets, complex polysaccharides were extracted from brown and red algae and used as an ingredient in adhesives. Brown algae include sea trumpet, kelp, sea oak, and sea mustard, whereas red algae include Pachymeniopsis elliptica agar-agar weed, Gloiopeltis tenax, and hunori. The polysaccharides were extracted after transforming them from non-aqueous Ca complexes contained in each of the brown and red algae into water-soluble polysaccharides containing alkali metals with a solubility level of 1. and extracted Subsequently, only the polysaccharides were extracted using alcohol precipitation. The adhesion tensile strengths of kelp, a brown algae, and Pachymeniopsis elliptica, a red algae, were 21.58 and 32.99 kgf, respectively. They thus demonstrated better adhesion than that of solid glue products such as water plants (18.45 kgf) and glue sticks (20.45 kgf). The extraction yield of these polysaccharides is supposed to be determined according to their extracted environments; however, no difference in adhesion strength was seen. Further, it was found that the shapes of polysaccharides were determined by their growing environment instead of extraction environment. Use of multi-step alcohol precipitation method during extraction enabled the removal of the constituents except protein and other polysaccharides, thereby demonstrating a stable outcome without cultivation of mold. Furthermore, there was no occurrence of mold even after production of the adhesives by the simple solution method, which demonstrates the adhesive's potential as an environment-friendly adhesive material.

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