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A study on the development and the physical properties of Epoxy Putty for earthenware restoration

토기 복원용 Epoxy Putty 개발 및 물성에 관한 연구

  • Bae, Jin Soo (JungAng Research Institute of Cultural Heritage) ;
  • Cheong, Da Som (The Reaearch of Conservation Science for Cultural Heritage, Hanseo University) ;
  • Kim, Woo Hyun (JungAng Research Institute of Cultural Heritage) ;
  • Kang, Seok In (The Reaearch of Conservation Science for Cultural Heritage, Hanseo University) ;
  • Wi, Koang Chul (The Reaearch of Conservation Science for Cultural Heritage, Hanseo University)
  • 배진수 ((재)중앙문화재연구원) ;
  • 정다솜 (한서대학교 문화재보존과학연구센터) ;
  • 김우현 ((재)중앙문화재연구원) ;
  • 강석인 (한서대학교 문화재보존과학연구센터) ;
  • 위광철 (한서대학교 문화재보존과학연구센터)
  • Received : 2014.01.28
  • Accepted : 2014.03.04
  • Published : 2014.03.20

Abstract

This study aimed to develop materials to compensate for problems of restoration for lost parts and material problems in the conservation treatment. First, there are several problems with existing materials as follows: secondary damage due to the high shrinkage rate and low adhesive strength, sense of difference due to the severe yellowing, remelting due to irreversibility of materials, processability due to the high strength, sag due to the prolonged setting time in the work process and surface contamination of artifacts due to tools or gloves. In order to solve these problems, this study set developmental goals after understanding the types and physical properties based on epoxy resin among the currently used restoration materials of pottery and earthenware. The developed epoxy resin is epoxy putty, which is cured within 5 minutes, for earthenware restoration. In the earthenware restoration method, the epoxy putty enhanced the workability by quickly curing in paste form and compensated disadvantages such as surface contamination. In addition, the use of white micro-balloon for the epoxy stock solution made coloring easier and weight lighter, and a restoration material with low shrinkage and superior processability was developed.

본 연구는 토 도기 보존 처리과정에 있어서 결손부위를 복원하는 재료의 문제점과 단점 등을 보완한 재료를 개발하고자 하였다. 우선 기존 재료의 문제점으로는 높은 수축률과 낮은 접착력으로 인한 2 차 파손의 문제, 심한 황변현상으로 인한 이질감의 문제, 재료의 비가역성으로 인한 재용해의 문제 및 높은 강도로 인한 가공성의 문제, 작업 과정 중 긴 경화 시간으로 인한 처짐 현상 및 도구나 장갑에 묻어 유물의 표면을 오염시키는 문제 등이 있다. 이러한 문제점을 해결하기 위해 현재 사용되고 있는 토 도기 복원 재료들 중 Epoxy 수지를 중심으로 종류 및 물성을 파악한 후 개발 목표를 설정하였다. 개발 된 Epoxy는 5 분 내외에 경화가 이루어지는 토기 복원용 Epoxy Putty이다. 토기 복원 방법에 있어서 Epoxy Putty의 경우 페이스트(Paste) 형태로 빠르게 경화되어 작업의 편리성을 높였으며, 표면 오염 등의 단점을 보완하였다. 또한 Epoxy 원액에 백색의 Micro-balloon을 사용함으로 인해 Coloring에 용이하고 경량화하도록 하였으며, 저수축 및 가공성이 우수한 복원 재료를 개발하였다.

Keywords

References

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Cited by

  1. A Study on the Development and Physical Properties of Low Yellowing Epoxy for Ceramic Preservation vol.30, pp.2, 2014, https://doi.org/10.12654/JCS.2014.30.2.07