Journal of the Korea Furniture Society (한국가구학회지)

Korea Furniture Society (한국가구학회)
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Grade Classification of Urushi Lacquer (II) Grade Classification of Urushi Lacquer by Scientific Methods

옻칠의 품등 구분 (II) 과학적 방법에 의한 옻칠의 품등 구분

  • Roh, Jeong-Kwan (Department of Interior Materials & Engineering, Jinju National University) ;
  • Kim, Yun-Geun (Medical herb Promotion and Specialization team, Sancheong)
  • 노정관 (진주산업대학교 인테리어재료공학과) ;
  • 김윤근 (산청군 신활력사업 약초연구개발전담팀)
  • Published : 2008.09.25
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Abstract

Scientific methods for grading urushi lacquer includes general properties (viscosity, pH etc), and quantitative analysis of moisture, urushiol, gum, laccase content etc, and properties of coating layer such as set to touch drying time, gloss, color difference, delamination strength, tensile strength of film. The grading results evaluated by scientific method showed n order with chinese urushi lacquer (E) > domestic urushi lacquer (A) > japanese urushi lacquer (C) > chinese urushi lacquer (D) > domestic urushi lacquer (B). It is different from hose of traditional methods. Therefore, a more accurate grading of urushi lacquer should be ade by combining traditional method with scientific method.

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