Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Determining the Safer Thickness of the Epoxy Coating on Wooden Utensils

식품 안전성 확보를 위한 목재 식기용 에폭시 코팅의 두께 결정

  • 이광수 (부산지방식품의약품안전청) ;
  • 임동길 (부산지방식품의약품안전청) ;
  • 김상엽 (부산지방식품의약품안전청) ;
  • 장미란 (부산지방식품의약품안전청) ;
  • 김우성 (부산지방식품의약품안전청) ;
  • 이영자 (부산지방식품의약품안전청)
  • Published : 2004.02.01
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Abstract

Overall migration through epoxy layer coated wood was investigated to estimate the coating thickness satisfying the regulatory limit. As an index of overall migration, KMnO$_4$ oxidizable extractives by the food simulant water solution was used. Migration pattern in interest range could described by a simple diffusion model and the temperature dependence of the permeability index could be explained by Arrhenius equation. The thickness of epoxy coating greater than 0.004 mm was analyzed to be required for satisfying the regulatory guideline.

목재에 코팅재로 사용되는 에폭시 수지로부터의 총괄이행량에 대한 모델을 정립하고, 이를 이용하여 안전성확보에 필요한 두께의 정도를 계산하였다. 에폭시 수지를 통한 총괄이행은 위생적 관심영역에서 확산모델에 의하여 해석이 가능하였고, 투과성 겉보기 투과성 지표에 미치는 온도의 영향은 Arrhenius 방정식으로 설명이 가능하였다. 그리고 일반적인 식품공전의 6$0^{\circ}C$, 30분의 용출조건에서 위생적 한도를 만족시키기 위한 최소의 코팅두께는 0.004 mm였다.

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References

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