Radiation-Induced Grafting of Acrylic Acid onto Polypropylene Fabric in the Presence of Metallic Salt

폴리프로필렌 부직포에 아크릴산의 방사선 그라프트 반응에서 금속염의 효과

  • Nho, Young Chang (Radiation Processing Project, Korea Atomic Energy Research Institute) ;
  • Park, Jong Shin (Radiation Processing Project, Korea Atomic Energy Research Institute) ;
  • Jin, Joon-Ha (Radiation Processing Project, Korea Atomic Energy Research Institute)
  • 노영창 (한국원자력연구소 방사선가공기술개발) ;
  • 박종신 (한국원자력연구소 방사선가공기술개발) ;
  • 진준하 (한국원자력연구소 방사선가공기술개발)
  • Received : 1996.06.11
  • Accepted : 1996.08.12
  • Published : 1996.10.10

Abstract

The effect of absorbed dose, dose rate, cationic salts and solvent on the grafting yield was evaluated when acrylic acid was grafted onto polypropylene fabric by simultaneous irradiation process. Low dose rate when irradiated with the same absorbed dose led to a high grafting yield. On the other hand, the grafting yield increased with dose rate in case the total irradiation times is equal, and the initial rate of grafting was found to be proportional to be 0.74 power of dose rate. $FeSO_4{\cdot}7H_2O$ was found to be the most effective additive for high grafting yield, while inhibiting homopolymer formation. It was impossible to induce radiation grafting without the addition of the certain amount of salt, but the grafting yield decreased with increasing metallic salt.

Keywords

References

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