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Efficient Spatial and Temporal Modelling of Material Temperatures within Self-reinforced Polypropylene Sheets during IR Radiation
(2013-07-20)
Polymer composites of self-reinforced fibres and a matrix composed of the same plastic material display an outstanding mechanical performance and an excellent recyclability. Hence, these materials are suitable for many practical applications. One disadvantage, however, is the narrow processing window that is caused by a strong pressure and temperature sensitivity of the self-reinforced fibres. In this paper, an approach to efficiently model the spatial and temporal temperature evolution is presented. Advanced empirical ...
Aufsatz
Fabrication and characterization of ethylene–octene copolymer composites with ionic liquid functionalized carbon nanotubes
(2017-10-16)
Modification of multi-walled carbon nanotubes (MWCNTs) by means of imidazolium ionic liquid (IL) was performed. Structural characterization of funtionalized nanofillers (IL-f-MWCNTs) was made by means of Raman spectroscopy and transmission electron microscopy. MWCNTs and IL-f-MWCNTs were introduced within ethylene octane copolymer (EOC) with octene co-monomer content of 17% by using the masterbatch approach. The efficiency of the carbonaceous nanofiller distribution within the polymer matrix was characterized by means ...
Aufsatz
The Manufacture of Hot-Compacted Layered Composite Systems Made of Oriented Semifinished PP-Films
(2014-03-04)
Monoaxial stretched PP-films are used for the manufacture of hot-compacted layered composites. These are layered with stretched co-extruded coupling agent films, and are consolidated to laminates by means of a hot-compaction process, which employs pressure and temperature. This paper aims to examine the influence of the process settings on the properties of the composites during the hot-compaction process. For this purpose, the mechanical values will be determined by means of tensile testing variously compacted and ...
Aufsatz
LSR-Schaum hergestellt im Spritzgießverfahren
(Universitätsbibliothek Kassel, 2019)
In diesem Beitrag wird die Wirkung expandierbarer thermoplastischer Mikrosphären als Treibmittel in Flüssigsilicon veranschaulicht. Sie können die Dichte der Vulkanisate deutlich verringern und so in der Anwendung zu Materialeinsparungen führen und das Isolationsverhalten gegen Wärme und Kälte sowie die Schwimmfähigkeit positiv beeinflussen.
Aufsatz
LSR-Foam produced by injection molding
(Universitätsbibliothek Kassel, 2019)
This paper illustrates the effect of expandable thermoplastic microspheres as blowing agents in liquid silicone rubber. They can significantly reduce the density of the vulcanizates and thus lead to material savings in the application and positively influence the insulation behaviour against heat and cold as well as the floatability.