Categoria: Seminari e Convegni
Stato: Archiviata
17 May 2019 2-3:30 pm

Fundamental developments of novel multi-functional polymer materials and new technologies for lean processing lines

Ferrari room, 2nd floor

Seminar with Dr. M. Michaela Gedan-Smolka - Leibniz Institute of Polymer Research, Dresden

Abstract
Essential requirements of Industry 4.0 are very efficient, well controllable processing lines and steps. From that point of view, the development of novel multi-functional materials together with the development of reliable and shortened processing chains is absolutely necessary. The presentation gives an overview of three widely investigated topics:

- Multi-material hybrid structures
A novel 2 in 1 highly weather stable powder coating material was developed exhibiting an additional latent adhesive function in order to fabricate chemical bonded multi-material hybrid structures in a very efficient manner and by shortening the process steps. So far, this issue was qualified until demonstrators for 3- or 4-layer metal plastic joints as evidence for the novel process chain.

- Electron treatment of fibre reinforced thermoset structures
Fibre reinforced structures nowadays play an increasing role in the automotive and transportation industry as well as architecture and machine building. In the state of the art, there are enormous efforts to make them coatable in a comparable quality like metals. A low energy e-treatment technology was developed generating a near surface barrier layer in parallel with the generation of functional reactive groups at the surface. In this manner, an improved adhesion, as well as surface quality, can be achieved. By coupling the e-emitter with a robot, it was proved that the technology itself is 3D- and inline capable and fulfils the requirements of OEM´s concerning the cycle time.

- Chemical bondable oligomeric/polymeric antistatic additives
Antistatic behaviour of polymer materials is demanded for several applications and industrial processes (e. g. electrostatic coating application, electrostatic dissipation for clean rooms/ in the electronic industry and floor materials in general). A novel concept and novel oligomer-/ polymer-based additives were developed that are chemically bondable to the matrix polymer during thermal crosslinking of the initial resins. In this manner, antistatic polymer materials with high permanency and natural colour can be reached. Furthermore, the additives can improve the mechanical properties of the resulting thermosets as well.