Plastics and the Ocean. Группа авторов

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Название Plastics and the Ocean
Автор произведения Группа авторов
Жанр Химия
Серия
Издательство Химия
Год выпуска 0
isbn 9781119768418



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reports, identifying a material just as a “plastic” or even as “polyethylene” is not particularly informative; details of at least the type, if available the grade, and its basic properties should be mentioned in order to compare data across publications.

      All plastics are polymers but not vice versa; plastics or thermoplastics include only those types of polymer that can be melted and re‐formed into different shapes repeatedly. Therefore, polymers such as tire rubber, polyurethane foam, or epoxy resin as well as cellulose or proteins, that do not melt on heating by virtue of their molecular architecture, are not thermoplastics but are thermosets. What is commonly described under “plastic debris” or “microplastics” in marine debris literature, however, often includes some thermosets such as epoxy resin, reinforced polyester (e.g., glass‐reinforced plastic (GRP)) and tire rubber particles. In this chapter, we will use the term “polymer” interchangeably with “plastic” for convenience of discussion.

      Source: Redrawn from data in Geyer et al. (2017)

Schematic illustration of the manufacturing process for plastics resin.