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Zhong, J. PVC (Polyvinyl Chloride). Encyclopedia. Available online: https://encyclopedia.pub/entry/61185 (accessed on 09 November 2026).
Zhong J. PVC (Polyvinyl Chloride). Encyclopedia. Available at: https://encyclopedia.pub/entry/61185. Accessed November 09, 2026.
Zhong, Jack. "PVC (Polyvinyl Chloride)" Encyclopedia, https://encyclopedia.pub/entry/61185 (accessed November 09, 2026).
Zhong, J. (2026, October 20). PVC (Polyvinyl Chloride). In Encyclopedia. https://encyclopedia.pub/entry/61185
Zhong, Jack. "PVC (Polyvinyl Chloride)." Encyclopedia. Web. 20 October, 2026.

PVC (Polyvinyl Chloride)

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PVC (polyvinyl chloride) is a commodity thermoplastic produced by the free-radical polymerisation of vinyl chloride, and it is the third most produced synthetic polymer. Because the chains interact strongly, the unplasticised resin is rigid and is processed with a high level of lubricant and thermal stabiliser [1]. Adding a plasticiser inserts small molecules between the chains and lowers the glass transition, converting the rigid material into a flexible one, and the plasticiser content can reach forty percent of the formulation [2]. The polymer is thermally unstable above roughly a hundred and fifty degrees, losing hydrogen chloride and forming conjugated sequences that discolour the part, so the stabiliser system is essential [3]. Concern about the migration of phthalate plasticisers has shifted the industry towards higher-molecular-weight alternatives [4]. Mechanical recycling is limited by the mixed additives in post-consumer waste, and the chlorine content complicates any thermal route [5].

vinyl chloride plasticizer thermal stabilizer dehydrochlorination rigid pipe phthalate glass transition
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References

  1. Kamińska, A.; Sanyal, S.; Kaczmarek, H. Thermal and photochemical stability of polystyrene and its blends with polyvinyl chloride. Journal of Thermal Analysis 1989, 35, 2135-2141. [CrossRef]
  2. Ali, M.; Lu, Y.; Ahmed, S.; Khanal, S.; Xu, S. Effect of Modified Cardanol as Secondary Plasticizer on Thermal and Mechanical Properties of Soft Polyvinyl Chloride. ACS Omega 2020, 5, 17111-17117. [CrossRef]
  3. Kou, M.; Li, K. Graft Reaction of Furfural with Polyvinyl Chloride and Its Effect on Thermal Stability of Polyvinyl Chloride. Organics 2025, 6, 12. [CrossRef]
  4. Dannis, M.L. Studies in Plasticization of Polyvinyl Chloride. II. Plasticizer Variations in PVC-Plasticizer Systems. Journal of Applied Physics 1950, 21, 510-513. [CrossRef]
  5. Shen, G.; Zhao, Y.; Ma, M.; Wang, Y.; Hao, X.; Yuan, G. Enhancing the Initial Whiteness and Long-Term Thermal Stability of Polyvinyl Chloride by Utilizing Layered Double Hydroxides with Low Surface Basicity. Polymers 2023, 15, 1043. [CrossRef]
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Subjects: Polymer Science
Contributor MDPI registered users' name will be linked to their SciProfiles pages. To register with us, please refer to https://encyclopedia.pub/register : Jack Zhong
View Times: 8
Entry Collection: Polymer Concepts
Revisions: 2 times (View History)
Update Date: 23 Oct 2026
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