Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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A study on the development of phthalate plasticizers CRM in ABS resin

ABS 중 phthalates 가소제 CRM 개발에 대한 연구

  • Jung, Jung-Sul (Chemical & Environmental Headquarter, Korea Testing and Research Institute) ;
  • Park, Jung-Woo (Chemical & Environmental Headquarter, Korea Testing and Research Institute) ;
  • Yoo, Seok (Chemical & Environmental Headquarter, Korea Testing and Research Institute) ;
  • Kweon, Seong-Il (Chemical & Environmental Headquarter, Korea Testing and Research Institute) ;
  • Hong, Sung-Taeg (Chemical & Environmental Headquarter, Korea Testing and Research Institute) ;
  • Sun, Yle-Shik (Chemical & Environmental Headquarter, Korea Testing and Research Institute) ;
  • Park, Cheon-Min (Daedeok Research Institute, Honam Petrochemical Corp) ;
  • Choi, Chang-Hyoo (Daedeok Research Institute, Honam Petrochemical Corp)
  • 정정설 (한국화학융합시험연구원 화학환경본부) ;
  • 박정우 (한국화학융합시험연구원 화학환경본부) ;
  • 유석 (한국화학융합시험연구원 화학환경본부) ;
  • 권성일 (한국화학융합시험연구원 화학환경본부) ;
  • 홍성택 (한국화학융합시험연구원 화학환경본부) ;
  • 선일식 (한국화학융합시험연구원 화학환경본부) ;
  • 박천민 (호남석유화학 대덕연구소) ;
  • 최창휴 (호남석유화학 대덕연구소)
  • Received : 2012.06.08
  • Accepted : 2012.09.27
  • Published : 2012.10.25
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Abstract

Phthalate plasticizers are regulated by RoHS, REACH and CPSC as hazardous substances. Responding to these international environmental restrictions, we developed ABS certified reference material (CRM) for determination of phthalate plasticizers such as DMP, DEP, DBP, BBP, DEHP and DnOP. The candidate material has been made with ABS resin widely used in electric and electronic products and 6 kinds of phthalate plasticizers. The making of the material involved a series of processes like extruding, cooling, pelletizing, and drying using twin screw extruder. Then it has been certified according to ISO Guide 35. Using isotope dilution-gas chromatography/mass spectrometry (ID-GC/MS), homogeneity, short-term stability, and long-term stability were evaluated. The certified values were determined by using primary reference material (PRM) of KRISS for traceability. From now on, we will provide ABS CRM to national and international companies and research institutes after certification as certified reference material and registering on COMAR (code of reference material).

현재 RoHS 및 REACH, CPSC 등에서 phthalates 가소제를 유해물질로 분류하여 규제하고 있는 실정이다. 이러한 국제환경규제에 대응하기 위해 phthalates 가소제 정량분석용 ABS 인증표준물질을 개발하였으며 인증 대상물질은 DMP, DEP, DBP, BBP, DEHP, DnOP이다. 후보물질은 전기 전자제품에 많이 사용되고 있는 ABS 수지에 phthalates 가소제 6가지 물질을 혼합한 후 쌍축압출기(twin screw extruder)를 이용하여 압출, 냉각, 펠렛, 건조의 과정을 거쳐 제조하였으며 ISO Guide 35의 절차에 따라 인증하였다. 동위원소희석 질량분석법(ID-GC/MS)을 이용하여 균질성, 단기안정성 및 장기안정성을 평가하였으며, 소급성 확립을 위해 한국표준과학연구원(KRISS)의 일차표준물질을 이용하여 인증값을 결정하였다. 향후 인증표준물질로서 인증을 받은 후, 국제 표준물질 데이터베이스(COM AR:code of reference material)에 등록하고 국내 외 산업체 및 시험기관에 보급할 예정이다.

Keywords

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