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Thermal and curl properties of PET/PP blend fibres compatibilized with EAG ternary copolymer

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Abstract

Blends of polyethylene terephthalate (PET)/polypropylene (PP) and the ternary copolymer ethylene–acrylic ester–glycidyl methacrylate (EAG) as the compatibilizer were prepared using a twin-screw extruder. The thermal properties, densities and morphologies of the blends were determined using various techniques. Next, PET/PP blend fibres were prepared using a melt–spinning system, and their curl properties were investigated. Scanning electron microscopy (SEM) results showed that the number of PP particles in the PET matrix and size of the PP phase decreased as the EAG content increased. The melting temperature \((T_{\mathrm{m}})\) and cooling crystallization \((T_{\mathrm{cc}})\) values of PP in the PET/PP blends decreased significantly after the addition of 1% EAG. The density of the PET/PP blend fibres decreased significantly with increase in the EAG and PP contents. After curl formation, the curl length of PP in the fibres was shorter than that of PET.

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Acknowledgements

This work was supported by the Industrial Strategic Technology Development Program (10050953) funded by the Ministry of Trade, Industry & Energy (MI, Korea).

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Authors and Affiliations

  1. Korea Institute of Convergence Textile, Iksan, 570-330, Republic of Korea

    Yong Wan Park

  2. Department of Organic Materials and Fiber Engineering, Chonbuk National University, Jeonju, 561-756, Republic of Korea

    Mira Park & Hwan Chul Kim

  3. Department of BIN Convergence Technology, Chonbuk National University, Jeonju, 561-756, Republic of Korea

    Hak Yong Kim

  4. Uno & Company Co. Ltd., Wanju, 565-904, Republic of Korea

    Jong Cheol Lim

  5. Department of Polymer Materials, Jilin Institute of Chemical Technology, Jilin City, 132022, People’s Republic of China

    Fan-Long Jin

  6. Department of Chemistry, Inha University, Nam-gu, Incheon, 402-751, South Korea

    Soo-Jin Park

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  1. Yong Wan Park
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Correspondence to Soo-Jin Park.

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Park, Y.W., Park, M., Kim, H.Y. et al. Thermal and curl properties of PET/PP blend fibres compatibilized with EAG ternary copolymer. Bull Mater Sci 41, 104 (2018). https://doi.org/10.1007/s12034-018-1621-3

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