Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Studies on the On-line Dry-let Wet Spinning of Polyacrylonitrile(V) Polymerization Behavior of Acrylonitrile by Low Temperature Initiator ADMVN

아크릴고분자의 온-라인건습식방사공정에 관한 연구(V) 저온개시제 ADHV각에 의한 AN의 중합거동

  • 김병철 (한국과학기술연구원 고분자연구부) ;
  • 길명섭 (한국과학기술연구원 고분자연구부, 전북대학고 섬유공학과, 전북대학교 고분자공학과)
  • Published : 1995.11.01

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Abstract

To improve spinnability of in-situ polymerized solution dope, a low temperature ulitiator Brazobis(2, Ldimethyl valeronitrile)(ADMVN) was utilized in preparing acrylic polymers, and the kinetics of polymerization was described. On the wholes the experimental results well corresponded to the theoretically predicted tendencies. The rate of conversion is generally increased either with increasing initiator and monomer concentrations or with raising polymerization temperature. The inherent viscosity of polymer was decreased with increasing polymerization temperature or initiator concentration but increased with increasing monomer content. In comparison with polyulerization of AN by 25-azobis(isobutyronitrile), the autoacceleration reaction was not so noticeable in the low-temperature polymerization process even at monomer concentrations as high as 30wt%.

Keywords

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