Replacing fossil-based foams with (potato) carbohydrate based foams

Herman de Beukelaer, Sharon Chu, Claudio Esposito, Marieke Hilhorst, Fresia Alvarado Chacon

Research output: Book/ReportReportProfessional


Foaming of polymeric materials requires a delicate balance between raw materials, blowing agents and equipment. They have an important effect on the end properties of the product. During this project, the behavior of the raw materials based on starch/fibers mixtures and water as blowing agent was investigated by means of offline rheological measurements, providing data for process development. -Furthermore, three essential parts of equipment were investigated: 1) the extruder, 2) melt cooling and mixing systems, and 3) die plates. Equipment with specific requirements is needed to get to a stable extrusion foaming process using water as blowing agent. A continuous process generating foamed profiles with different cross sectional shapes could be obtained. A sketch of the process is shown below.
Original languageEnglish
Place of PublicationWageningen
PublisherWageningen Environmental Research
Number of pages4
Publication statusPublished - 2024

Publication series

NameReport / Wageningen Food & Biobased Research


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