Effect of Additives on the Radiation-Induced Grafting of Styrene onto Polypropylene Fabric

폴리프로필렌 부직포에 스틸렌의 방사선 그라프트 반응에서 첨가제의 영향

  • Park, Jong Shin (Radiation Processing Project, Korea Atomic Energy Research Institute) ;
  • Nho, Young Chang (Radiation Processing Project, Korea Atomic Energy Research Institute) ;
  • Jin, Joon-Ha (Radiation Processing Project, Korea Atomic Energy Research Institute) ;
  • Lee, Myun Zu (Radiation Processing Project, Korea Atomic Energy Research Institute)
  • 박종신 (한국원자력연구소, 방사선가공기술개발) ;
  • 노영창 (한국원자력연구소, 방사선가공기술개발) ;
  • 진준하 (한국원자력연구소, 방사선가공기술개발) ;
  • 이면주 (한국원자력연구소, 방사선가공기술개발)
  • Received : 1996.06.14
  • Accepted : 1996.07.26
  • Published : 1996.10.10

Abstract

The present studies are to describe the grafting reaction of styrene in various solvents to polypropylene fabric by the simultaneous method using Co-60. The influence of various factors such as absorbed dose, dose rate, type of solvent, acid and multifunctional monomer were evaluated. At constant absorbed dose, the grafting yield was found to be higher at low dose rate. The initial rate of grafting was found to be proportional to a 0.56 power of dose rate. The inclusion of mineral acid in the grafting solution led to an increase in radiation grafting yield at almost all monomer concentration examined. Multifunctional monomer was also effective to increase grafting yield. The addition of both acid and multifunctional monomer was found to accelerate the grafting yield much more than the separate addition of two additives.

Keywords

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