Akro Plastic GmbH

Niederzissen, Germany

Akro Plastic GmbH

Niederzissen, Germany
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Alarcon Salinas S.,Bonn-Rhein-Sieg University of Applied Sciences | Kusch P.,Bonn-Rhein-Sieg University of Applied Sciences | Knupp G.,Bonn-Rhein-Sieg University of Applied Sciences | Steinhaus J.,Bonn-Rhein-Sieg University of Applied Sciences | Sulthaus D.,AKRO PLASTIC GmbH
Journal of Analytical and Applied Pyrolysis | Year: 2016

Solid blend samples of poly(acrylonitrile-co-1,3-butadiene-co-styrene) (ABS) and polyamide 6 (PA 6) were characterized by analytical pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) and analytical pyrolysis-gas chromatography with flame ionization detector (Py-GC/FID) at 700 °C, respectively. The separated compounds were identified using the mass spectral library as well as by calculation of the relative retentions. These blends have been chosen, since they play a dominant role in the automotive and other industries. A sixfold determination of the polymer blends was carried out respectively with both Py-GC/MS and Py-GC/FID methods. After characterization of the pyrolysis products, peak area ratios of five major degradation products were determined. Eventually, the obtained analytical results were then used to compare the precision of both Py-GC/MS and Py-GC/FID methods. Their relative standard deviations (RSD) of the determined peak area ratios were therefore compared. The performed statistical tests led to the conclusion that the Py-GC/FID method is more suitable for the quantification purposes than the Py-GC/MS method. Afterwards, the Py-GC/FID method has been validated successfully on the quantification of PA 6, using the peak area ratio of caprolactam to the main ABS degradation products. For the method validation the parameters linearity and working range, accuracy, limits of detection (LOD) and quantification (LOQ), and the recoveries, have been determined. A LOD of 6.02 (%, w/w) and a LOQ of 18.1 (%, w/w) were calculated. The recoveries for two blend-standards in the low and high content range were 100% and 97.7%, respectively. The calculated recovery of the investigated unknown sample was 93.3%. © 2016 Elsevier B.V.


Stier T.,Akro Plastic GmbH | Raithel T.,Akro Plastic GmbH
Kunststoffe International | Year: 2015

Edge trim of dry carbon-fiber fabric from automotive production can be spun into a highly engineered product. As a virgin fiber they can be conditioned to short fibers by means of an innovative process. Compounds filled with this state-of-the-art fiber can be used to make lightweight, highly resilient automotive components. © 2015 Carl Hanser Verlag, Munich.


Munterer F.,Akro Plastic GmbH | Prautzsch G.,Akro Plastic GmbH | Stier T.,Akro Plastic GmbH
Kunststoffe International | Year: 2015

In future automotive applications, verifiably halogen-free polyamides will become increasingly significant. Plastics manufacturers and compounders must adapt their machines and analytical equipment to meet future demands for electrically neutral compounds, so that customers can benefit from technically mature products. It is not enough to abstain from using critical substances in the recipes. Advanced analytical techniques and good manufacturing practice can ensure that these substances do not find their way into production. © 2015 Carl Hanser Verlag, Munich.


Stier T.,Akro Plastic GmbH | Gaul I.,Akro Plastic GmbH
Kunststoffe International | Year: 2015

New foaming agents lead to weight reductions of engineering plastics without a significant impairment of their properties. The use of mutually matched systems, e.g. the (PA+PP) Akromid Lite blend and the foaming agent masterbatch AF-Complex PE 990310 TM, is recommendable. In the case described here, the density of Akromid B3 ICF 201 Lite black (5296) was reduced by 13 % through the addition of a foaming agent. A further weight reduction of 8% was achieved by means of blend technology (PA+PP). Compared with polyamide 6 GF 30, an overall weight reduction of 30% was possible thanks to the innovative ICF carbon fiber from Akro-Plastic - in addition to higher tensile strength and bending resistance. Hereby, the density of this foamed compound is significantly lower than that of water (Title figure), and has a flexural modulus of more than 12,000 MPa.

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