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Better Color and Thermal Stability of Suspension PVC Produced on an Industrial Scale by the Continuous Initiator Dosing Technology

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Download Hi-Res ImageDownload to MS-PowerPointCite This:Ind. Eng. Chem. Res. 2021, 60, 43, 15391-15402
    Applied Chemistry

    Better Color and Thermal Stability of Suspension PVC Produced on an Industrial Scale by the Continuous Initiator Dosing Technology
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    • Manuel Tierno
      Manuel Tierno
      Innovation and Technology Department, Chlorine Derivatives Division, ERCROS S.A., Diagonal 595, 08014 Barcelona, Spain
      More by Manuel Tierno
    • Belén Pascual
      Belén Pascual
      Innovation and Technology Department, Chlorine Derivatives Division, ERCROS S.A., Diagonal 595, 08014 Barcelona, Spain
      More by Belén Pascual
    • Jose Ignacio Conde
      Jose Ignacio Conde
      Innovation and Technology Department, Chlorine Derivatives Division, ERCROS S.A., Diagonal 595, 08014 Barcelona, Spain
      More by Jose Ignacio Conde
    • Guillermo Badillo
      Guillermo Badillo
      Innovation and Technology Department, Chlorine Derivatives Division, ERCROS S.A., Diagonal 595, 08014 Barcelona, Spain
      More by Guillermo Badillo
    • André H. Hogt
      André H. Hogt
      NOURYON Polymer Specialties, Zutphenseweg 10, 7418 AJ Deventer, The Netherlands
      More by André H. Hogt
    • Koen Vanduffel
      Koen Vanduffel
      NOURYON Polymer Specialties, Zutphenseweg 10, 7418 AJ Deventer, The Netherlands
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    • M. Itxaso Calafel*
      M. Itxaso Calafel
      Institute of Polymer Materials (POLYMAT) and Polymers and Advanced Materials: Physics, Chemistry and Technology, University of the Basque Country (UPV/EHU), Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Spain
      *Email: [email protected]
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      Orcidhttps://orcid.org/0000-0003-1033-3522
    • Antxon Santamaría
      Antxon Santamaría
      Institute of Polymer Materials (POLYMAT) and Polymers and Advanced Materials: Physics, Chemistry and Technology, University of the Basque Country (UPV/EHU), Paseo Manuel de Lardizabal 3, 20018 Donostia-San Sebastián, Spain
      More by Antxon Santamaría
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    Industrial & Engineering Chemistry Research

    Cite this: Ind. Eng. Chem. Res. 2021, 60, 43, 15391–15402
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.iecr.1c02846
    Published October 19, 2021
    Copyright © 2021 American Chemical Society
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    Abstract

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    Polyvinyl chloride (PVC) resins obtained by the continuous initiator dosing (CiD) technology and produced on an industrial scale show improved color and thermal stability, as compared with conventional PVC. The thermal stability of the PVC resins was characterized by the dehydrochlorination test, static thermal aging test, and thermogravimetry, while the color was evaluated by spectrophotometric measurements. It could be assumed that the better properties of the CiD PVC resin are ascribed to a slightly lower level of polymer chain defects, but our NMR results are not conclusive in this respect. Hydrogen bond strengths of the radicals generated by the organic peroxide initiators used in CiD and conventional PVC polymerizations were compared with the hydrogen bond dissociation energy of the PVC chain. The lower residual amount of initiator in the CiD PVC resin and practically the energetic inability of its radicals to abstract hydrogen from the PVC chain were considered to be the cause of the better color and thermal stability of the resin.

    Copyright © 2021 American Chemical Society

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    • Further details of NMR analysis carried out to identify the origin of the differences in color and thermal stability of the two resins (PDF)

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    This article is cited by 4 publications.

    1. Xiangcheng Ma, Huilong Wei, Zhenghong Luo. Development and prospect of the acetylene production chain based on the process systems engineering: a focus on the polyvinyl chloride production. Reviews in Chemical Engineering 2024, 40 (8) , 917-949. https://doi.org/10.1515/revce-2024-0039
    2. Ángel Darío González-Delgado, Miguel Ramos-Olmos, Nórida Pájaro-Gómez. Bibliometric and Co-Occurrence Study of Process System Engineering (PSE) Applied to the Polyvinyl Chloride (PVC) Production. Materials 2023, 16 (21) , 6932. https://doi.org/10.3390/ma16216932
    3. Jian-Peng Han, Ya-Nan Yang, Qiang Niu, Zheng-Hong Luo, Yin-Ning Zhou. Computer-aided design of initiator utilization strategies for vinyl chloride suspension polymerization with constant reaction rate. Chemical Engineering Science 2023, 275 , 118753. https://doi.org/10.1016/j.ces.2023.118753
    4. Carmen Mijangos, Itxaso Calafel, Antxon Santamaría. Poly(vinyl chloride), a historical polymer still evolving. Polymer 2023, 266 , 125610. https://doi.org/10.1016/j.polymer.2022.125610
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    Industrial & Engineering Chemistry Research

    Cite this: Ind. Eng. Chem. Res. 2021, 60, 43, 15391–15402
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.iecr.1c02846
    Published October 19, 2021
    Copyright © 2021 American Chemical Society
    Request reuse permissions

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