Journal of the Korean Wood Science and Technology

The Korean Society of Wood Science & Technology (한국목재공학회)
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Current Research Trends in Wood Preservative for Enhanced Durability : A Literature Review on Copper Based Preservatives

옥외 내구성 향상을 위한 목재보존제의 최근 연구 동향 - 구리 기반 약제를 중심으로 -

  • Kim, Yeong-Suk (Department of Forest Products and Biotechnology, College of Forest Science, Kookmin University)
  • 김영숙 (국민대학교 삼림과학대학 임산생명공학과)
  • Received : 2012.02.06
  • Published : 2012.05.25
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Abstract

Current research trends in wood preservatives for enhancing durability was reviewed. Due to leaching of recent Copper-Based Preservatives commonly used as chemicals for pressure treatment; they have been a growing concern, especially in improving the fixation of the copper as alkyl ammonium quat. and azol in wood and preventing the leaching of active ingredients. With the appearance of emulsion type chemicals using micronized and nano-sized wood preservatives, researchs on characteristics of Copper-Based Preservatives regarding penetration and fixation in wood are debatable. Moreover, unlike the case of CCA, the recent alkyl ammonium quat. and azol bear a serious threat in the decrease of antimicrobial effectiveness against wood destroying fungi with copper tolerance. Therefore, development and research of co-biocide is needed.

본 연구에서는 CCA일몰 후, 내구성 향상을 위한 목재보존제의 최근 국제적 연구 동향에 대해 조사 연구하였다. 가압용 약제로 많이 사용되고 있는 최근의 구리 기반 약제의 형태는 수용성으로 ACQ나 CuAz 등의 구리 정착 개선 및 유효성분의 용탈 방지 등이 이슈화 되어 있으며, 미분화(micronized copper) 또는 나노 크기 입자를 이용한 유제형 약제 출현으로 이들의 목재 내 침투 및 정착 특성 연구 등에 대한 논란이 많은 상황이다. 또한 CCA와 달리 현재의 alkyl ammonium quat. 또는 azol 약제 등의 경우에는 구리 내성균에 대해 항균성 감소가 많아 이에 대비한 co-biocide 개발이 심각하게 요구되고 있다.

Keywords

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