Cited by 3,873Microplastics and Plastic PollutionPolymer Science and PVCRecycling and Waste Management Techniques

An overview of chemical additives present in plastics: Migration, release, fate and environmental impact during their use, disposal and recycling

Open access
Hahladakis, John N., Velis, Costas A., Weber, Roland, Iacovidou, Eleni, Purnell, Phil·2018·Journal of Hazardous Materials

Abstract

Over the last 60 years plastics production has increased manifold, owing to their inexpensive, multipurpose, durable and lightweight nature. These characteristics have raised the demand for plastic materials that will continue to grow over the coming years. However, with increased plastic materials production, comes increased plastic material wastage creating a number of challenges, as well as opportunities to the waste management industry. The present overview highlights the waste management and pollution challenges, emphasising on the various chemical substances (known as "additives") contained in all plastic products for enhancing polymer properties and prolonging their life. Despite how useful these additives are in the functionality of polymer products, their potential to contaminate soil, air, water and food is widely documented in literature and described herein. These additives can potentially migrate and undesirably lead to human exposure via e.g. food contact materials, such as packaging. They can, also, be released from plastics during the various recycling and recovery processes and from the products produced from recyclates. Thus, sound recycling has to be performed in such a way as to ensure that emission of substances of high concern and contamination of recycled products is avoided, ensuring environmental and human health protection, at all times.

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Crossref · 10.1016/j.jhazmat.2017.10.014

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  • The mechanical stability of recycled plastics within asphalt exposed to solar radiation is difficult to determine because of the complex composition of these composite materials.

    “However, the mechanical stability of recycled plastics within asphalt that is exposed to solar radiation is difficult to determine because of the complex composition of these composite materials [181].”

    From Environmental consequences of interacting effects of changes in stratospheric ozone, ultraviolet radiation, and climate: UNEP Environmental Effects Assessment Panel, Update 2024 (2025) · cites this paper as [181]

    Section 3.1 describes asphalt made by blending mixed plastic waste with bitumen, and section 5.3 identifies polymer heterogeneity as a challenge in recycling. Section 3.3 discusses solar radiation in plastic degradation, but the paper does not say that the mechanical stability of plastic–asphalt composites exposed to sun is difficult to determine because of their composition. Page numbers were not available in our copy. (LLM, conf=0.84)

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  • The release of toxic additives into food from plastics packaging and the presence of potentially toxic substances further increases the need to implement stricter regulations in plastics additives production and trade.

    “The release of toxic additives into the food from the plastics packaging and the presence of potentially toxic substances 49 further increases the need to implement stricter regulations in plastics additives production and trade.”

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3 of the 189 references couldn’t be matched to a known paper.

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  1. A.C. Buekens, K, PVC and waste incineration -modern technologies solve old problems, in: The 6th International Conference on Combustion, Incineration/Pyrolysis and Emission Control: Waste to Wealth, Kuala Lumpur (Malaysia); 26-29 July 2010, 2010, p. 42.
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Authors
Hahladakis, J. N., Velis, C. A., Weber, R., Iacovidou, E., & Purnell, P.
Affiliations
University of Leeds (GB)
Corresponding author
Velis, Costas A.
Venue
Journal of Hazardous Materials
Publisher
Elsevier BV
Published
2018-02
Volume
344
Pages
179-199
ISSN
0304-3894 (ISSN-L)
OpenAlex
W2761590587
Cited by
3,873
References
189
Citations by year
2026: 488 · 2025: 618 · 2024: 682 · 2023: 596 · 2022: 546 · 2021: 451 · 2020: 294 · 2019: 139 · 2018: 57
FWCI
6.33
Type
journal article
Language
en
Open access
Locations
  • Journal of Hazardous Materials (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • White Rose Research Online (University of Leeds, The University of Sheffield, University of York) (acceptedVersion)
  • Brunel University Research Archive (BURA) (Brunel University London) (submittedVersion)
Funders
  • Economic and Social Research Council
  • National Eye Research Centre
  • Natural Environment Research Council
Topics
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
  • Physical Sciences › Materials Science › Polymers and Plastics › Polymer Science and PVC
  • Physical Sciences › Environmental Science › Waste Management and Disposal › Recycling and Waste Management Techniques
Keywords
polymer additives, chemical migration, plastic waste management, plastic recycling, food contact materials, food packaging, environmental contamination, human exposure, environmental impact of plastics

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