Korea Science and Art Forum (한국과학예술포럼)

The Korean Society of Science & Art (한국과학예술융합학회)
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A Study on Multiple Bases for Development of Natural Adhesives for Woodcraft using Cellulose Extracts from Wood and their Application Potential - Focused on Salicis radicis cortex, hibiscus, Chinese wild peach resin -

셀룰로오스계 목재 추출 성분을 이용한 목공예용 천연 접착제의 개발 및 적용 가능성에 대한 복합적 기반 연구 - 유근피·황촉규·도교 중심으로 -

  • Wi, Koang Chul (Department of Cultural Heritage Conservation, Hanseo University) ;
  • Oh, Seung Jun (The Research Center of Conservation Science for Cultural Heritage, Hanseo University) ;
  • Han, Won Sik (The Research Center of Conservation Science for Cultural Heritage, Hanseo University) ;
  • Park, Min Sun (The Research Center of Conservation Science for Cultural Heritage, Hanseo University)
  • 위광철 (한서대학교 문화재보존학과) ;
  • 오승준 (한서대학교 문화재보존과학연구센터) ;
  • 한원식 (한서대학교 문화재보존과학연구센터) ;
  • 박민선 (한서대학교 문화재보존과학연구센터)
  • Received : 2019.11.10
  • Published : 2019.12.31
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Abstract

This study started from the need to improve one of shortcomings of synthetic PVAc adhesives - potential physical harm and environmental hazards to the workers or their users. As a matter of fact, PVAc adhesives are currently mainly used because of their convenience and economy for the production of woodcrafts. The purpose of this study was to develop natural adhesives through research on natural adhesives in step with the current increase of societal attention to environmental friendliness and rapid surge in their demand in the face of such problems. So, the study attempted research on the bases to develop natural adhesives for woodcraft, using cellulose extracts from wood - natural adhesive material. The findings of the study were as follows. Firstly, natural adhesives showed the improved effect in the field of adhesive strength, a basic physical property by 0.2 - 4 times compared with the existing materials and the study confirmed they had the similar or stable pH value. Besides, they had good reversibility, demonstrating their basic physical property as a natural adhesive for woodcraft. While, their durability to ultraviolet ray degradation also showed an excellent result value being better by 1.5 - 8.5 times than the existing materials. The study expects natural adhesives with improved and better performances compared with the existing materials could be developed, if further research on adhesive strength, antibiosis, conservative property were to continue by developing refinery technology for cellulose extracts from wood and rendering the functionality to them.

본 연구는 현재 목공예품 제작 시 사용성이 편하고 경제적이라는 이유로 합성 PVAc계 접착제가 주로 사용된다. 본 연구는 합성 PVAc계 접착제의 단점 중 작업자나 사용자에게 미치는 인체 안정성과 환경 유해성 등에 대한 문제점을 개선해보고자 하는 연구에서 시작되었다. 본 연구의 목적은 이러한 문제점이 대두되기 시작하면서 친환경에 대한 사회적 관심이 증대되고 수요도 급격히 증가되고 있는 상황으로 천연 접착제에 대한 연구를 통해 친환경 접착제를 개발하는 것이다. 따라서 본 논문은 목공예용 천연 접착제의 개발을 위해 천연 접착 소재인 셀룰로오스계 목재 추출물을 이용해 목공예용 천연 접착제를 개발하기 위한 기반 연구를 시도하였다. 연구결과 및 내용은 다음과 같다. 첫째, 목공예용 천연 접착제 개발을 위한 기반 물성인 접착 강도에서 기존 재료 보다 약 0.2 ~ 4 배 증진된 효과를 보여주었으며, 기존 재료와 유사하거나 안정적인 pH 값을 확인하였다. 또한 우수한 가역성을 나타내어 목공예용 접착제로서의 기초적인 물성은 확인되었으며, 자외선 열화에 대한 내구성도 약 1.5 ~ 8.5 배 우수한 결과값을 확인하였다. 이러한 연구결과를 바탕으로 셀룰로오스계 목재 추출물의 정제 기술 개발과 기능성 부여를 통한 접착강도, 항균성, 보존성 등에 대한 지속적인 연구가 이루어진다면 기존에 사용되어온 재료에 비해 성능이 개선된 목공예용 천연 접착제가 개발될 수 있을 것으로 기대한다.

Keywords

References

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  2. 도교(桃膠)를 이용한 바이오 접착제의 합성 및 물성 평가 vol.37, pp.3, 2019, https://doi.org/10.12654/jcs.2021.37.3.08