Wetsus
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PhD in Circular Composite Bioplastics, Polymer Science and Chemical Engineering Wetsus in Netherlands
Degree Level
PhD
Field of study
Chemistry
Funding
PhD project within the newly funded EU project SOWISE+, with research carried out at Wetsus in collaboration with local Dutch and international partners. No stipend amount or tuition details are stated.
Country
Netherlands
University
Wetsus

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About this position
PhD opening at Wetsus in flagship sustainable-by-design circular composite bioplastics, focused on polymer science, chemical engineering, and materials science.
The project sits within the Wetsus research theme Biopolymers from Water and the newly funded EU project SOWISE+. The research aims to develop tools to predict and control property specifications of cellulose composites made with co-polymer blends of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHA-based bioplastics). The work connects circular economy feedstocks, wastewater-derived biopolymers, impurity monitoring, and safe-and-sustainable-by-design materials.
You will work on formulation of co-polymer blends and cellulose composites, masterbatch bioplastic property specifications, and PHA recovery at laboratory and pilot scale. Methods mentioned include solution formulation, extrusion, mechanical testing, rheology, TGA, DSC, pyrolysis GC-MS, FTIR, HPLC, LC-MS, and GC-MS. The project also involves product prototyping and scale-up with Dutch and international partners.
Eligibility highlights: a master’s degree in chemical engineering, polymer science, or a closely related field; experience with materials testing, polymer melt processing, data analysis, modelling, and polymer quality characterisation; interest in analytical method development and hands-on experimental work; strong initiative and good English communication skills.
Funding: the post is part of an EU-funded project, but no stipend amount or tuition coverage is stated in the post.
Application: complete applications must be submitted in English via the application webpage. The post states that only complete applications submitted before the deadline will be considered eligible.
Funding details
PhD project within the newly funded EU project SOWISE+, with research carried out at Wetsus in collaboration with local Dutch and international partners. No stipend amount or tuition details are stated.
What's required
Master’s degree in chemical engineering, polymer science, or a closely related field. Demonstrated experience with practical testing in materials science, polymer melt processing, data analysis, modelling, and polymer quality characterisation techniques is expected. Applicants should have affinity for analytical method development, enjoy hands-on experimental work, be self-driven and initiative-taking, and be comfortable in multidisciplinary, international, collaborative settings. Strong interest in structure-property relationships, separation techniques in chemical engineering processes, and green organic solvents is required. Written and oral English proficiency is expected.
How to apply
Apply only via the application webpage. Submit a complete application in English before the deadline. Use the project number 2026.18 and provide your preferences as requested in the form.
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