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Plasticized protein for 3D printing by fused deposition modeling

Chaunier, Laurent ; Leroy, Eric ; Della Valle, Guy ; Lourdin, Denis; Prodinra, Archive Ouverte (Editor)

ESAFORM 2016: Proceedings of the 19th International ESAFORM Conference on Material Forming, 2016, Vol.1769 [Tạp chí có phản biện]

DOI: 10.1063/1.4963611

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  • Nhan đề:
    Plasticized protein for 3D printing by fused deposition modeling
  • Tác giả: Chaunier, Laurent ; Leroy, Eric ; Della Valle, Guy ; Lourdin, Denis
  • Prodinra, Archive Ouverte (Editor)
  • Chủ đề: Life Sciences
  • Là 1 phần của: ESAFORM 2016: Proceedings of the 19th International ESAFORM Conference on Material Forming, 2016, Vol.1769
  • Mô tả: The developments of Additive Manufacturing (AM) by Fused Deposition Modeling (FDM) now target new 3D printable materials, leading to novel properties like those given by biopolymers such as proteins: degradability, biocompatibility and edibility. Plasticized materials from zein, a storage protein issued from corn, present interesting thermomechanical and rheological properties, possibly matching with AM-FDM specifications. Thus commercial zein plasticized with 20% glycerol has a glass transition temperature (T-g) at about 42 degrees C, after storage at intermediate relative humidity (RH=59%). Its principal mechanical relaxation at T-a approximate to 50 degrees C leads to a drop of the elastic modulus from about 1.1 GPa, at ambient temperature, to 0.6 MPa at T-alpha+100 degrees C. These values are in the same range as values obtained in the case of standard polymers for AM-FDM processing, as PLA and ABS, although relaxation mechanisms are likely different in these materials....
  • Ngôn ngữ: English
  • Số nhận dạng: DOI: 10.1063/1.4963611

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