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Application of the long-chain linear polyester in plastification of PVC

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Abstract

The plastification modification of poly (vinyl chloride) (PVC) with the long-chain linear polyester (LP) synthesized by linear dodecanedioic acid (DC12) or tetradecanedioic acid (DC14) with different diols is investigated. The processing characteristics, mechanical properties and extraction property of the PVC/LP blends in different solvents (xylene, cyclohexane, ethanol) were also studied in detail. All results were compared with that of the PVC plasticized with dioctyl phthalate (DOP). The results show that the molecular weight, molecular structure and loading of LP greatly influence the mechanical properties of the PVC/LP blends. The processability and the mechanical properties of PVC plasticized by LP are comparable to those of the corresponding PVC/DOP blends. However, the PVC/LP blends posses much better migration resistance property than the corresponding PVC/DOP blends, which makes the long-chain linear polyester become a very good plasticizer candidate for PVC industry.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Tongji University, Shanghai, 200092, China

    Li Yan, Wang Changming, Wang Guojian & Qu Zehua

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  1. Li Yan
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  2. Wang Changming
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  3. Wang Guojian
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  4. Qu Zehua
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Funded by the Engineering Developing Foundation of Tongji University

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Li, Y., Wang, C., Wang, G. et al. Application of the long-chain linear polyester in plastification of PVC. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 23, 100–104 (2008). https://doi.org/10.1007/s11595-006-1100-3

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  • DOI: https://doi.org/10.1007/s11595-006-1100-3

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