화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Macromolecular Research, Vol.26, No.3, 254-262, March, 2018
DOI10.1007/s13233-018-6039-7  Export Citation
The Effects of Compatibilizers on the Morphological, Mechanical, and Optical Properties of Biaxially Oriented Poly(ethylene terephthalate)/Syndiotactic Polystyrene Blend Films
Kweon Hyung Han1, 2, Myung Geun Jang1, Kyu Jin Juhn1, Choonglai Cho3, and Woo Nyon Kim1, †
  • 1Department of Chemical and Biological Engineering, Korea University, Anam-ro 145, Seoul 02841, Korea
  • 2SKC Advanced Technology R&D, 911 Jeongja-1 dong, Jangan-Gu, Suwon, Gyeonggi 16388, Korea
  • 3Graduate School of Management of Technology, Korea University, Anam-ro 145, Seoul 02841, Korea
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In this study, the effects of three different types of compatibilizers on the morphological, mechanical, and optical properties of poly(ethylene terephthalate) (PET) and syndiotactic-polystyrene (s-PS) (70/30, wt%) blends and biaxially oriented blend films of the two polymers were investigated. The morphological results of the PET/s-PS (70/30) blends revealed that when the 5 phr polystyrene-g-oxazoline (PS-g-OXA) was used as a compatibilizer, the domain size showed minimum. The mechanical studies of the PET/s-PS (70/30) blends showed that when 5 phr PS-g-OXA was used, increased tensile strength was obtained. The transmittance of the blend film showed the highest value (83.7%) for the biaxially oriented PET/s-PS (70/30) blend films with the PS-g-OXA (5 phr), compared with that of the blends without compatibilizer (70.8%), or with the styrene-co-maleic anhydride as a compatibilizer, at the wavenumber of 600 nm. The tensile strength of the biaxially oriented PET/s-PS (70/30) blend films also showed the highest value when PS-g-OXA (5 phr) was used as a compatibilizer. The morphological, optical, and mechanical results of the PET/s-PS (70/30) blends and biaxially oriented blend films of the two polymers showed that PS-g-OXA was the most effective compatibilizer, and that the optimum compatibilizer content was 5 phr.
Keywords:polymer blend;compatibility;morphology;compatibilizer;polymer film
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