대한조선학회 특별논문집 (Special Issue of the Society of Naval Architects of Korea)

대한조선학회 (The Society of Naval Architects of Korea)
권호 표지

멤브레인형 LNG 운반선용 고강도 워시프라이머 개발

Development of Newly Formulated High-strength Wash Primer for Membrane LNG Carrier

  • 송은하 (현대중공업 산업기술연구소) ;
  • 이성균 (현대중공업 산업기술연구소) ;
  • 정몽규 (현대중공업 산업기술연구소) ;
  • 백광기 (현대중공업 산업기술연구소)
  • Song, Eun-Ha (Hyundai Industrial Research Institute, Hyundai Heavy Industries. Co. Ltd.) ;
  • Lee, Sung-Kyun (Hyundai Industrial Research Institute, Hyundai Heavy Industries. Co. Ltd.) ;
  • Chung, Mong-Kyu (Hyundai Industrial Research Institute, Hyundai Heavy Industries. Co. Ltd.) ;
  • Baek, Kwang-Ki (Hyundai Industrial Research Institute, Hyundai Heavy Industries. Co. Ltd.)
  • 발행 : 2007.09.30
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초록

Wash primer was applied to cargo tank of Membrane-LNG Carrier (M-LNGC) for corrosion resistance and high bond-strength with the mastic. However, a lack of bond-strength verification at high thickness wash primer coating resulted in strict coating thickness control. Therefore wash primer was controlled below DFT(Dry Film Thickness) $30{\mu}m$. In order to develop the wash primer satisfying GTT (GAZ TRANSPORTAION TECHNIGAZ) standard even at high thickness, we evaluated coating properties such as wash primer/mastic bond-strength, corrosion resistance, as well as workability for the newly formulated wash primer materials. The newly formulated wash primer had high bonding-strength to mastic even at high thickness and had proper corrosion resistance and workability suitable to yard condition.

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