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bioXpul™ - technology for manufacturing PLA-based biocomposites with increased thermomechanical stability


[ 1 ] Instytut Technologii Materiałów, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ 2 ] Instytut Technologii Mechanicznej, Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ 3 ] Wydział Inżynierii Mechanicznej, Politechnika Poznańska | [ 4 ] Instytut Inżynierii Materiałowej, Wydział Inżynierii Materiałowej i Fizyki Technicznej, Politechnika Poznańska | [ P ] employee | [ SzD ] doctoral school student

Scientific discipline (Law 2.0)

[2.8] Materials engineering
[2.9] Mechanical engineering

Year of publication


Published in

Manufacturing Letters

Journal year: 2023 | Journal volume: vol. 35

Article type

scientific article

Publication language


  • Polylactide
  • Composite
  • Fiber-reinforced polymer
  • Thermomechanical properties

EN The assumptions of the bioXpulTM technology for manufacturing polylactide (PLA) composites with superior thermomechanical stability and favorable mechanical properties are presented. The modification concept assumes the simultaneous modification of PLA by introducing nucleants and basalt powder and infiltration with this composition of basalt or hybrid flax-basalt rovings. Using a one-step production method allowed for a significant reduction in the fibers' as well as PLA matrix processing-originated degradation. Injection-molded composite parts made of pultruded pellets, and formed with acceptable cooling times, showed high thermomechanical stability (HDT above 160 °C) resulting from the synergistic effect of improved crystallinity and fillers.

Date of online publication


Pages (from - to)

43 - 47




Ministry points / journal


Impact Factor

3,9 [List 2022]

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