Journal of Conservation Science (보존과학회지)

The Korean Society Of Conservation Science For Cultural Heritage (한국문화재보존과학회)
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UV Degradation Characteristics and Applicability of Coating Agent for Conservation of FRP Artifacts

FRP 작품 보존을 위한 자외선 열화 특성 및 자외선 차단 코팅제 적용 연구

  • Han, Ye Bin (Department of Cultural Heritage Conservation & Restoration, Graduate School of Cultural Heritage, Korea National University of Cultural Heritage) ;
  • Chung, Yong Jae (Department of Cultural Heritage Conservation & Restoration, Graduate School of Cultural Heritage, Korea National University of Cultural Heritage)
  • 한예빈 (한국전통문화대학교 문화유산전문대학원 문화재수리기술학과) ;
  • 정용재 (한국전통문화대학교 문화유산전문대학원 문화재수리기술학과)
  • Received : 2017.05.25
  • Accepted : 2017.06.10
  • Published : 2017.06.20
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Abstract

This study evaluated the degradation characteristics of FRP by ultraviolet (UV) rays and applied a UV-resistant coating to prevent the degradation of the surface of these sculptures. As a result of the degradation caused by UV rays, there were slight changes in the FRP surface and contact angle. The chromaticity sharply increased in the early phase of degradation. After applying the coating to the FRP, no significant surface changes were observed. However, it had lower changes in color as compared to the uncoated specimen, so it was verified that the control of discoloration could be possible. Some changes in the gloss and contact angle were observed depending on the extent of degradation, but the UV coating agent remained relatively stable. Analysis of the infrared light spectrum showed that there were almost no chemical changes, and it could be concluded that the coating treatment prevented degradation for a certain period. This study investigated the degradation of FRP used as materials in artwork exposed to UV rays, and it was found that there was a delay in the onset of degradation in the FRP with the UV-resistant coating when compared to the uncoated FRP.

본 연구에서는 야외 플라스틱 작품에 많이 사용되고 있는 유리섬유강화플라스틱(FRP)을 대상으로 자외선에 의한 색도 및 광택도, 접촉각 변화, 적외선 분광분석을 통해 열화 특성을 확인하였으며, FRP의 열화를 예방하고자 자외선 차단 코팅제를 제조하여 코팅제의 성능 평가를 진행하였다. 자외선 열화 결과, FRP의 표면변화는 기공 이외에 다른 변화는 관찰되지 않았다. 색차는 열화 초기에 급격히 증가하였는데 이는 적외선 분광분석 결과와도 유사하였다. 광택도 및 접촉각의 경우 뚜렷한 변화는 확인되지 않았다. 코팅제 처리에 따른 특정한 표면 변화는 관찰되지 않았으나 색차 비교 결과, 미처리 시편보다 색 변화가 낮게 측정되어 변색 제어가 가능함을 확인하였다. 코팅제 도포 후 열화에 따른 광택도 및 접촉각 변화가 일부 관찰되었으나 자외선 차단 코팅제는 상대적으로 안정한 것으로 나타났다. 적외선 분광분석 결과, 화학적 변화가 미미함에 따라 코팅제가 일정 기간 동안 열화를 지연시키는 것으로 보인다. 본 연구를 통해 작품 재료로써 FRP의 자외선 열화 양상을 파악하였으며, 제조한 자외선 차단 코팅제의 성능 평가를 통해 야외 FRP 작품의 보존 방안으로써 적용 가능성을 확인하였다.

Keywords

References

  1. Beerkens, L. and Breder, F., 2012, Temporary art? The production and conservation of outdoor sculptures in fiberglass-reinforced polyester. Conservation Perspectives The GCI Newsletter, 27(2), 13-14.
  2. Beom, D.G., 2012, A study on application of nano-ceramic resin as a coating agent for conservating outdoor metal cultural assets. Master's thesis, Chonbuk University, Jeonju. (in Korean with English abstract)
  3. Breder, F., 2013, Preserving artistic style and authentic appearance in hand-painted outdoor sculptures. Proceedings from the interim meeting of the Modern Materials and Contemporary Art Working Group of ICOM-CC, Otterlo, June 4-5, 65-71.
  4. Cho, H.K. and Cho, N.C., 2008, Characterization study of various solvents of Paraloid B72 for bronze artifacts conservation by surface analysis. Journal of Conservation Science, 22, 61-76. (in Korean with English abstract)
  5. Choi, J.K., 2008, A way to explain the concept of surface tension and intermolecular interaction by measuring the contact angle. Master's thesis, Korea National University of Education, 1. (in Korean with English abstract)
  6. Chung, Y.J., Yu, J.A. and Kang, D.I., 2013, Preservation values and effects on cleaning and adhesive agents for plastic artifacts. Journal of Conservation Science, 29(2), 127-138. (in Korean with English abstract) https://doi.org/10.12654/JCS.2013.29.2.04
  7. Getty Conservation Institute, 2012, Conservation Perspectives The GCI Newsletter, 27(2).
  8. Ha, S.M., 2013, A study on material characteristics of synthetic resins used in modern sculpture. Master's thesis, Konkuk University, Chungju, 30-34. (in Korean with English abstract)
  9. Heo, M.H., Kim, S.W., Ha, G.R., Mori, T., Hong, K.H. and Seo, K.H., 2002, Discoloration and the effect of antioxidants on thermo-oxidative degradation of polyamide 6. Polymer (Korea), 26(4), 452-461. (in Korean with English abstract)
  10. Jeon, J.P., Jung, S.T., Kim, H.B., Oh, S.H. and Kang, P.H., 2013, The effect of electron beam irradiation on discoloration and thermal property of HDPE filled with antioxidants and UV stabilizer. Journal of Radiation Industry, 7(1), 23-28. (in Korean with English abstract)
  11. Jia, Z., Li, X. and Zhao, Q., 2010, Effect of artificial weathering on surface properties of unsaturated polyester(UP) resin. Materials Chemistry and Physics, 121, 193-197. https://doi.org/10.1016/j.matchemphys.2010.01.021
  12. Korea Meteorological Administration, 2016, UV-A intensity in Anmyeondo(2012-2014). http://data.kma.go.kr/
  13. Lee, D.C., Park, K.S., Hwang, M.W. and Tabate, Y., 1996, A study on the aging properties of FRP insulation materials by ultraviolet and ozone gas. The Transaction of the Korean Institute of Electrical Engineers, 45(12), 1996. (in Korean with English abstract)
  14. Lee, B.S. and Lee, D.C., 1999, A study on the surface degradation properties of epoxy/glass fiber treated with ultraviolet rays. The Transaction of the Korean Institute of Electrical Engineers, 48(2), 86-91. (in Korean with English abstract)
  15. Lee, G.R., 2006, A study on the characteristics of materials used in Korean environmental sculptures. Master's thesis, Suwon University, Hwaseong, 34-35. (in Korean with English abstract)
  16. Lee, J.H., Kim, S.B. and Cho, K.Y., 2015, A study on the effect of accelerated UV exposure on the polymer membrane for outdoor users. Applied Chemistry for Engineering, 26(3), 326-330. (in Korean with English abstract) https://doi.org/10.14478/ace.2015.1030
  17. Mun, M.J., 2003, Synthesis and characterization of UV curable light stabilizer containing acrylate group. Master's thesis, Chosun University, Gwangju, 2-7. (in Korean with English abstract)
  18. Nam, K.T.. Hong, C.K., Chae, K.H. and Kaang, S.Y., 2006, A study on UV degradation of SBR and NR containing polymeric UV stabilizer. Elastomers and Composites, 41(3), 182-193. (in Korean with English abstract)
  19. Oh, H.H., 2012, A study on the stability of EVA coating materials on metal relics. Master's thesis, Hanseo University, Seosan, 19. (in Korean with English abstract)
  20. Oh, S.J., 2010, A study on property changes matter of metal coating materials by air pollution. Master's thesis, Hanseo University, Seosan. (in Korean with English abstract)
  21. Park, H.J., 2006, Study on the effect of interception and physical special quality of sculpture and cultural assects in the outdoor environment. Master's thesis, Hanseo University, Seosan. (in Korean with English abstract)
  22. Park, H.J., 2016, A case study on the conservation of outdoor sculpture in Korea. Master's thesis, Konkuk University, Chungju 4-6. (in Korean with English abstract)
  23. Shin, J.H., 2005, The study of jewelry design using the resin-Centering on unsaturated polyester resin and epoxy resin-. Master's thesis, Hanyang University, Seoul. (in Korean with English abstract)
  24. Youn, J.Y., Kim, S.W., Park, B.H., Lee, S.H., Kwon, T.H. and Kim, K.T., 2011, A study on structure analysis system for short fiber reinforced plastics. Composites Research, 24(4), 41-47. (in Korean with English abstract) https://doi.org/10.7234/kscm.2011.24.4.041
  25. Yu, J.A., 2013, Study on identification and conservation of plastic artifacts. Master's thesis, Chung-ang University, Seoul. (in Korean with English abstract)