Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effects of Compatibilizers on PPS/PET and PPS/PA66 Blends

PPS/PET 및 PPS/PA66 블렌드에 대한 상용화제의 영향

  • Bae, Ggot-Ha-Yan (Department of Organic Materials and Fiber Engineering, Soongsil University) ;
  • Ham, Myong-Jo (Department of Organic Materials and Fiber Engineering, Soongsil University) ;
  • Kim, Young-Ho (Department of Organic Materials and Fiber Engineering, Soongsil University)
  • 배꽃하얀 (숭실대학교 유기신소재.파이버공학과) ;
  • 함명조 (숭실대학교 유기신소재.파이버공학과) ;
  • 김영호 (숭실대학교 유기신소재.파이버공학과)
  • Received : 2012.01.10
  • Accepted : 2012.02.09
  • Published : 2012.02.28
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Abstract

Two commercial compatibilizers of ethylene glycidyl methacrylate (EGMA) and styrene-b-ethylene/butyleneb-styrene grafted with maleic anhydride (SEBS-g-MA) were added to poly(phenylene sulfide) (PPS)/poly(ethylene terephthalate) (PET) (80/20, weight ratio) and PPS/polyamide 66 (PA66) (80/20, weight ratio) mixture, respectively. This was done by using a twin screw extruder via a melt blending method and the blends of the three components were melt-pressed and quenched to the films of 200 ${\mu}m$. Changes in thermal, mechanical, chemical and morphological properties of the blend films were analyzed by using DSC, DMA, WAXS, SEM and UTM. DSC results showed that EGMA in PPS(80)/PET(20)/EGMA blends lowered $T_g$ of PPS. They hindered the crystallization of both PPS and PET. Addition of EGMA imparted partial miscibility to the immiscible PPS(80)/PET(20) blends but the total miscibility and compatibility were not enhanced. Mechanical and chemical properties of PPS80/PET20/EGMA blend films deteriorated more with an increase in EGMA content. SEBS-g-MA did not work as a compatibilizer at all for PPS(80)/PA66(20) blends rather it enduced phase separation of the blends.

Keywords

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