Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Heat Shrinkage Change of PVC Fiber with the Overfeed Ratio of Drawing Process

연신 공정의 overfeed율 변화에 따른 PVC사 열수축률 변화

  • 박용완 (전북대학교 공과대학 섬유공학과) ;
  • 김환철 (전북대학교 공과대학 섬유공학과) ;
  • 박병기 (전북대학교 공과대학 섬유공학과)
  • Published : 2001.06.01

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Abstract

Since a drawn fiber shrinks when treated with heat, fiber is treated with heat after drawing process to prevent heat shrinkage. The objective of this study is to investigate the effects of drawing conditions on the properties of PVC fiber, especially on heat shrinkage. Overfeed was applied to prevent heat shrinkage at the several positions during drawing process. Heat shrinkage increased with draw ratio, and decreased with overfeed ratio. Overfeed was most effective to reduce heat shrinkage when applied between the chamber 2 roller and the take-up roller. The chlorinated PVC(CPVC) content also affected the heat shrinkage, and heat shrinkage decreased with increasing CPVC ratio.

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References

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