Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Preparation of PVA/Wheat Gliadin Blend Fiber Using an Organic Solvent

유기용매를 이용한 PVA/밀 글리아딘 블렌드 섬유의 제조 및 특성분석

  • Kwak, Hyo-Won (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Kim, Moo-Kon (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Oh, Han-Jin (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Lee, Jeong-Yun (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Yun, Hae-Sung (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Lee, Jong-Hwan (Center for Agricultural Biomaterials, Seoul National University) ;
  • Lee, Ki-Hoon (Department of Biosystems & Biomaterials Science and Engineering, Seoul National University) ;
  • Shin, Bong-Seob (School of Textile Engineering and Fashion Design, Kyungpook National University)
  • 곽효원 (서울대학교 바이오시스템소재학부) ;
  • 김무곤 (서울대학교 바이오시스템소재학부) ;
  • 오한진 (서울대학교 바이오시스템소재학부) ;
  • 이정윤 (서울대학교 바이오시스템소재학부) ;
  • 윤해성 (서울대학교 바이오시스템소재학부) ;
  • 이종환 (서울대학교 농업생물신소재연구소) ;
  • 이기훈 (서울대학교 바이오시스템소재학부) ;
  • 신봉섭 (경북대학교 섬유패션디자인학부)
  • Received : 2011.06.17
  • Accepted : 2011.08.07
  • Published : 2011.08.28
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Abstract

In this study PVA/wheat gliadin blend fiber was prepared by wet spinning using DMSO as a solvent and acetone/methanol as a coagulant. The PVA content should be greater than 40% to demonstrate successful drawing. The maximum draw ratios of the blend fiber were 6, 7.5 and 8, when the PVA content was 40, 60 and 80%, respectively. The surface of the blend fiber became rougher and macrovoids were found when the content of gliadin was increased, this was due to the skin-core effect. The ultimate stress, breaking strain and modulus of the blend fiber were increased with an increase of the PVA content. The crystallinity of the blend fiber decreased when the gliadin content increased, the secondary structure of the gliadin however did not change in the presence of PVA. In order to increase the water stability of the blend fiber, further cross-linking was performed which also improved the mechanical properties of the blend fiber.

Keywords

Acknowledgement

Supported by : 경북대학교

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