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Struktur-Eigenschafts-Beziehung von Mischungen aus thermoplastischem PMMA mit vernetzten PMMA-Kolloiden
(kassel university press, 2016)
Ziel dieser Arbeit war es, ein Compound aus Partikeln aus untereinander vernetzten Polymerketten, sogenannten Kolloiden, und thermoplastischem Matrixmaterial basierend auf dem gleichen Monomer (MMA) aus ingenieurwissenschaftlicher Sicht zu charakterisieren und die Struktur-Eigenschafts-Beziehungen zu klären. Durchgeführt wurden die Untersuchungen an Compounds mit Kolloiden mit verschiedenen Größen, Vernetzungsgraden und Anteilen, die zunächst in Benzol mit dem Matrixmaterial, Plexiglas® 6N, vermischt wurden.
Neben ...
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Climatic Ageing of Components of Polymer Based Electrochromic Devices
(2013-09-09)
Combining a shading function and a polycarbonate window displays an attractive alternative to the currently employed glass roof in vehicles. However, the ageing of such a device must be investigated before any application. Therefore, our investigations focus on the ageing of the components of a polycarbonate based electrochromic device. The optical, electrical, mechanical and electrochemical properties of the ion storage layer as well as the substrate will be assessed after storage in a climate with a high humidity ...
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Parameter identification for constitutive models of innovative textile composite materials using digital image correlation
(2019-11-18)
This contribution focuses on an innovative composite material consisting of textile layers made from continuous wooden fibers embedded in a thermoplastic matrix. A finite element simulation of potential use‐cases is planned to support the development process and to study the suitability of the material in an architectural context. The simulation is based on a constitutive model assuming homogenous orthotropic elastic behavior and will be expanded to include multiscale modeling in future research. The material parameters ...
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Multicomponent Injection Molding Of Thermoplastics And Liquid Silicone Rubber (LSR) – Either Cured By Heat Or UV Light
(Society of Plastics Engineers, 2016)
For processing thermally curing liquid silicone rubber (LSR) as well as UV light curing LSR for multicompo-nent injection molding with thermoplastics in an compa-rable way a processing center was designed and set into operation.
For the production of the multicomponent specimens a modular tool was designed. In there a thermoplastic plate gets molded on the one side, then gets transferred auto-matically by a robot system and gets overmolded by the silicone on the other side. The complete silicone side of the tool is ...