Synthesis and Photochemical Properties of Photosensitive Poly(vinyl butyral) with Azide Group

Poly(vinyl butyral)에 azide기가 도입된 감광성 고분자의 합성 및 감광특성

  • Park, Lee Soon (Department of Polymer Science, Kyungpook National University) ;
  • Han, Yoon Soo (Department of Polymer Science, Kyungpook National University) ;
  • Oh, Hyun Shik (Department of Polymer Science, Kyungpook National University) ;
  • Im, Dae Hwan (Department of Polymer Science, Kyungpook National University)
  • 박이순 (경북대학교 고분자공학과) ;
  • 한윤수 (경북대학교 고분자공학과) ;
  • 오현식 (경북대학교 고분자공학과) ;
  • 임대환 (경북대학교 고분자공학과)
  • Received : 1998.07.20
  • Accepted : 1998.08.24
  • Published : 1998.12.10

Abstract

Poly(vinyl butyral)s (PVB) with different butyral content were synthesized from poly(vinyl alcohol)(PVA) and n-butylaldehyde with acid catalyst. Bound butyral unit in PVB was determined by elemental analysis. Synthesized PVBs were reacted with p-azidobenzaldehyde to give photosensitive polymer with azidobenzene group(PVB-AZ). Bound photosensitive azidobenzene group in PVB-AZ was determined by UV spectrophotometry. The photosensitivity of PVB-AZ was compared with that of PVB/2,6-bis(p-azidobenzylidene)cyclohexanone(BAC) photosensitizer mixture system by gray scale method. Photosensitivity of PVB-AZ was higher than that of PVB/BAC mixture system. The photosensitivity of PVB-AZ was dependent on the developer used due to the solubility of PVB-AZ in a developer solvent.

Acknowledgement

Supported by : 산업자원부

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