Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Jet-Fuel-Resistant PVC Sealant Containing a Polyester Plasticizer

폴리에스터 가소제를 사용한 내제트유성 PVC계 실란트

  • Nam, Byeong-Uk (Department of Applied Chemical Engineering, Korea University of Technology and Education) ;
  • Kim, Seog-Jun (School of Material Science & Chemical Engineering, Kunsan National University)
  • 남병욱 (한국기술대학교 응용화학공학과) ;
  • 김석준 (군산대 재료.화학공학부)
  • Published : 2003.12.31
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Abstract

This work is about the development of jet-fuel resistant PVC sealant using a polyester plasticizer. PVC copolymer was compounded with adipic acid glycol(Songcizer P-3000) or DOP plasticizers. Fuel-immersed and non-immersed penetration, solubility, flow, and elongation by tensile adhesion of PVC compounds were measured. Penetration increase by fuel immersion and solubility of PVC compounds with adipic acid glycol polyester plasticizer were smaller than those of PVC compounds with DOP plasticizer. Elongation by tensile adhesion test of PVC compound containing 500 phr of Songcizer P-3000 decreased proportionally to the content of DCDP (dicyclopentadiene) base petroleum resin adhesion promoter. Calcium carbonate($CaCO_3$) filler inhibited the diffusion of fuel in all the PVC compounds and decreased the solubility of PVC compounds containing Songcizer P-3000.

본 연구는 폴리에스터 가소제를 이용한 내제트유성 PVC계 실란트 개발에 관한 것이다. PVC 공중합체에 아디프산 글리콜 폴리에스터 가소제(Songcizer P-3000) 또는 DOP를 배합하여 연료유 함침 전후의 칩입도 변화, 용해도, 흐름성 및 인장 접착 신율을 측정하였다. 연료유 함침 전후 칩입도 변화 및 용해도를 측정한 결과 폴리에스터 가소제의 내제트유성이 DOP 가소제를 사용한 것 보다 작은 것으로 나타났다. PVC 공중합체에 Songcizer P-3000의 배합비를 중량비로 500 phr로 고정하고 접착성 향상제인 DCDP (dicyclopentadiene)계 석유수지를 400 phr까지 배합한 결과 첨가량에 비례하여 접착 신율이 감소하였다. 탄산칼슘은 연료유의 확산을 방지하였고 Songcizer P-3000을 사용한 경우 용해도를 감소시키는 결과를 얻었다.

Keywords

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