화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.7, No.6, 405-409, November, 2001
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Synthesis of Poly(phenylene-co-biphenylene sulfide) and Its Blend with Bisphenol A Polysulfone
Seung Hoo Yoo, Jae Young Jho†, and Lee Soon Park1
  • Hyperstructured Organic Materials Research and School of Chemical Engineering, Seoul National University, Seoul 151-744, Korea
  • 1Department of Polymer Science, Kyungpook National University, Daegu 702-701, Korea
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A series of poly(phenylene-co-biphenylene sulfide)s (PPBS) were prepared by substituting parts of phenylene units of poly(phenylene sulfide) (PPS) with more rigid biphenylene units. A copolymer was blended with bisphenol A polysulfone (PSF), and drawn to prepare a in situ composite. Dynamic mechanical observation suggested the immiscibility of PSF/PPS blend and the partial miscibility of the PSF/PPBS blend. PPBS appeared to be a better rheology modifier and reinforcing agent than PPS, which is observed in the melt viscosity and the tensile tests. SEM micrographs of the blends show smaller and more uniform domains in PSF/PPBS blends than in PSF/PPS blends. In drawn blends PPBS appeared to form better-defined fibrils with higher aspect ratios than PPS in PSF. As a result PSF/PPBS blend showed higher level of tensile modulus and yield stress over the PSF/PPS blend.
Keywords:PPS;copolymer;blend;PSF;partial miscibility
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