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Cited by 378

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Extrusion Processing and Properties of Protein‐Based Thermoplastics

Verbeek, Casparus J. R., van den Berg, Lisa E.·2010·Macromolecular Materials and Engineering

Abstract

Increasing interest in competitive, sustainable, and biodegradable alternatives to petroleum‐based plastics has encouraged the developmentof protein‐based plastics. The formation of a homogeneous protein melt during extrusion occurs through: denaturation, dissociation, unraveling, and alignment of polymer chains. The presence of covalent cross‐links is unfavorable, decreasing chain mobility, increasing viscosity and preventing homogenization. Proteins have high softening temperatures, often above their decomposition temperatures. To avoid degradation, the required chain mobility is achieved by plasticizers. By understanding a protein's physiochemical nature, additives can be selected that lead to a bioplastic with good processability. The final structural and functional properties are highly dependent on the protein and processing conditions. magnified image

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Metadata

Authors
Verbeek, C. J. R., & van den Berg, L. E.
Venue
Macromolecular Materials and Engineering
Publisher
Wiley
Published
2010-01-08
Volume
295
Issue
1
Pages
10-21
ISSN
  • 1438-7492 (ISSN-L)
  • 1439-2054
OpenAlex
W2051928419
Cited by
378
References
0
FWCI
5.74
Type
journal article
Language
en
Open access
closed

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