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Luftiflex

Development of flexible fiber composite materials based on renewable raw materials for use in aircraft

Description

The Luftiflex project is dedicated to the development of flexible fiber composites based on renewable raw materials for use in aircraft. The goal is to produce innovative, flexible composite materials that can be used in structural and cabin components as well as other mobility applications. The focus is on bio-based matrix systems and reinforcing fibers, whose sustainable and individually adjustable properties are specifically tailored to the requirements of the aviation sector. Thus, the project contributes to resource conservation and improving the ecological footprint of fiber composites, particularly in the areas of lightweight construction and the circular economy.

Project Objectives

The goal of Luftiflex is the development and optimization of bio-based, elastic composites with load-adapted elongation potential. The following specific objectives will be pursued over the course of the project:

  • Development of flexible epoxy and polyester resin systems, primarily made from renewable raw materials, with targeted elasticization and improved damping properties
  • Production of textile reinforcement structures from natural fibers such as flax, hemp, and viscose with adjustable structural elongation
  • Validation of material and component properties with regard to mechanical strength, fire protection, and acoustics
  • Demonstration of manufacturing and economic scalability for industrial applications in aviation and other mobility sectors

Project information

Duration: October 1, 2024 – September 30, 2027
Funding body: Federal Ministry of Agriculture, Food and Regional Identity (BMLEH)
Funding reference number: 2222NR045C
The work includes the development and testing of innovative resin systems, the production and characterization of elastic laminates, process optimization, and the production and testing of demonstrators for applications in aircraft interiors and secondary structures. The ecological and economic evaluation of the materials is an integral part of the project.

Project partners

Luftiflex is a joint project with several partner institutions from industry and science:

  • INVENT GmbH, Braunschweig – Development of flexible fiber composites
  • HOBUM Oleochemicals GmbH, Hamburg – Elastic epoxies from renewable resources
  • Institute of Joining and Welding Technology (IFS), TU Braunschweig – Optimization and characterization of bio-based composites
  • Johann Heinrich von Thünen Institute, Braunschweig – Development of elastic polyester resins
  • Saxon Textile Research Institute (STFI), Chemnitz – Highly elastic textile structures made from natural fibers
  • Industrial partners: SchillSeilacher Struktol GmbH, Bio-Composites And More GmbH, Elbe Flugzeugwerke GmbH, Gummiwerke Kraiburg GmbH & Co KG

 

Contact

Prof. Dr.-rer.-nat. Sven Hartwig
+49 531-391 65023
s.hartwig(at)tu-braunschweig.de
Kevin Engelmann, M.Sc.
+49176 44473088
k.engelmann(at)tu-braunschweig.de
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