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Mechanical properties of polypropylene filaments drawn on varying post spinning temperature gradients

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Abstract

High Modulus and high tenacity polypropylene fibers have been prepared by drawing on a gradient heater. Results show that fiber properties are significantly affected by temperature profiles of final stage drawing on a gradient heater. The gradient drawn filaments showed superior mechanical properties when compared to filaments drawn over a constant temperature heater. Fibers with initial modulus of 16.4 GPa and tenacity of 670 MPa have been manufactured in the process. The nature of the gradient drawing had a significant effect on end properties. The superior mechanical properties are attributed to the high crystal perfection and crystallinity and low void fractions obtained at high draw ratios when drawn over a gradient heater.

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Authors and Affiliations

  1. Department of Textile Technology, Indian Institute of Technology, 110 016, Hauz Khas, New Delhi, India

    S. Mukhopadhyay, B. L. Deopura & R. Alagirusamy

  2. Department of Textile Engineering, Anuradha Engineering College, 443201, Chikhli, Buldana, Maharashtra, India

    S. Mukhopadhyay

Authors
  1. S. Mukhopadhyay
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  2. B. L. Deopura
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  3. R. Alagirusamy
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Correspondence to S. Mukhopadhyay.

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Mukhopadhyay, S., Deopura, B.L. & Alagirusamy, R. Mechanical properties of polypropylene filaments drawn on varying post spinning temperature gradients. Fibers Polym 7, 432–435 (2006). https://doi.org/10.1007/BF02875777

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  • DOI: https://doi.org/10.1007/BF02875777

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