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Macromolecular research v.18 no.6, 2010년, pp.583 - 588   SCI SCIE 피인용횟수: 4
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Effects of Compatibilizers on the Mechanical Properties and Interfacial Tension of Polypropylene and Poly(lactic acid) Blends

Yoo, Tae-Wook    (Department of Materials Science and Engineering, Korea University   ); Yoon, Ho-Gyu    (Department of Materials Science and Engineering, Korea University   ); Choi, Seok-Jin    (Next Generation Vehicle Technology   ); Kim, Min-Soo    (Department of Chemical and Biological Engineering, Korea University   ); Kim, Youn-Hee    (Department of Chemical and Biological Engineering, Korea University   ); Kim, Woo-Nyon    (Department of Chemical and Biological Engineering, Korea University  );
  • 초록

    The effects of compatibilizers and hydrolysis on the tensile and impact strength, interfacial tension and morphology of the PP/PLA (80/20) blends were investigated. For the PP/PLA (80/20) blends before hydrolysis, the tensile strength of the blends reached a maximum when the polypropylene-g-maleic anhydride (PP-g-MAH) copolymer was added at 3 phr. For the PP/PLA (80/20) blends after hydrolysis, the tensile strength did not change appreciably with the PP-g-MAH content. For the blends with the styrene-ethylene-butylene-styrene-g-maleic anhydride (SEBS-g-MAH) before or after hydrolysis, the tensile strength of the blends decreased with increasing SEBS-g-MAH content. The interfacial tension of the PP/PLA (80/20) blend was determined from the relaxation time using the Palierne and Choi-Schowalter models, and showed a minimum value at a PP-g-MAH content of 3 phr in each model. For the PP/PLA (80/20) blends with the SEBS-g-MAH before and after hydrolysis, the increase in impact strength was more significant for the blends after hydrolysis. This suggests that PLA becomes less brittle after hydrolysis. The impact strength suggests that the SEBS-g-MAH is an effective impact modifier to improve the impact strength of the PP/PLA (80/20) blends.


  • 주제어

    polypropylene .   poly(lactic acid) .   blend .   compatibility .   interfacial tension .   mechanical property .   rheology.  

  • 참고문헌 (20)

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  • 이 논문을 인용한 문헌 (4)

    1. 2011. "" Macromolecular research, 19(2): 105~112     
    2. Lee, Yun-Kyun ; Kim, Min-Soo ; Kim, Woo-Nyon 2011. "Effect of Compatibilizers on the Morphological, Mechanical and Rheological Properties of PP/PCL and TPO/PCL Blends" Korean chemical engineering research = 화학공학, 49(3): 342~347     
    3. Lee, Yun Kyun ; Kim, Ji Mun ; Kim, Woo Nyon 2011. "Mechanical and Morphological Properties of Poly(acrylonitrile-butadiene-styrene) and Poly(lactic acid) Blends" Korean chemical engineering research = 화학공학, 49(4): 438~442     
    4. Choi, Woo Seon ; Lee, Gang Gook ; Kim, Young Ho 2016. "Effects of Triacetin Addition on the Thermal and Mechanical Properties of Poly(L-lactic acid)/Polycarbonate Blends" 폴리머 = Polymer (Korea), 40(6): 977~984     

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