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Kunststoffe international 2019/01-02

Bioplastics with Halogen-Free Flame Retardants

Foamed Boards and Foamed Injection Molded Parts Made from Cellulose Acetate with a Halogen-Free Flame Retardant System and Environmentally Friendly Blowing Agents

Bioplastics with Halogen-Free  Flame Retardants

Foamed polystyrene boards (XPS) have been used for generations in thermal insulation applications, e. g. for buildings. Due to its comparable mechanical and thermal properties, bio-based cellulose acetate (CA) represents a promising, sustainable alternative which is also an interesting material for technical components due to its heat resistance. However, producing such parts by foam extrusion or foam injection molding with halogen-free flame retardant systems and environmentally friendly blowing agents is a challenge.

Robert Breuer, M.Sc.,; Yuxiao Zhang, M.Sc.,; Prof. Dr.-Ing. Christian Hopmann

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Literature

1 N. N.: Marktstudie Dämmstoffe - Europa. Ceresana eK, Konstanz, 2. Auflage, 2017

2 Kabasci S.; Zepnik S.; Hendriks S.; Hopmann, C.: Development of trays for hot food packaging from foamed cellulose acetat films In: Biopolpack 2014, Parma, Italy, 30 May 2014.

3 Zepnik, S.; Berdel, K.; Hildebrand, T.; Kabasci, S.; Radusch, H.-J.; van Lück, F.; Wodke, T.: Foam (Sheet) extrusion of externally plasticized cellulose acetate. Rapra Blowing Agents and Foaming Processes. Düsseldorf, 10.-11.05.2011

4 N. N.: Konsumtrends in Consumer- und Home Electronics. gfu Consumer & Home Electronics GmbH, Studie, 2017

5 Hermabessiere, L., Dehaut, A., Paul-Pont, I., Lacroix, C., Jezequel, R., Soudant, P., Duflos, G.: Occurrence and effects of plastic additives on marine environments and organisms: a review: Chemosphere 182, 2017

6 N. N.: Flame Retardant Alternatives for Hexabromocyclododecane (HBCD). United States Environmental Protection Agency, 2014

7 Lee S.-T., Park C.B.: Foam Extrusion: Principles and Practice, Second Edition. Boca Raton: Taylor & Francis, 2014

8 Stange, J., Einfluss rheologischer Eigenschaften auf das Schäumverhalten von Polypropylenen unterschiedlicher molekularer Struktur, Dissertation, 2006

9 Hopmann, C.; Hennes, J.; Hennigs, M.; Hendriks, S.: Effizienzsteigerung in der Folienextrusion. In: Hopmann, C. (Hrsg.): Integrative Kunststofftechnik 2014, 27. Internationales Kolloquium Kunststofftechnik, 19.-20. März 2014. Aachen: Shaker Verlag, 2014

10 Zepnik, S., Hildebrand, S., Kabasci, S., Radusch, H.-J., Wodke, T.: Cellulose Acetate for Thermoplastic Foam Extrusion. In: van de Ven, T.: Cellulose - Biomass Conversion, InTech, 2013

11 N. N.: Bitzer Kältemittel-Report 19, Bitzer Kühlmaschinenbau GmbH Sindelfingen, 19. Auflage, 2016

12 Obeloer, D.T., Thermoplast-Schaumspritzgießen mit gemeinsamer Granulat- und Gaszuführung, Dissertation, 2012

13 Yanev, A.: Foaming of long glass fibre reinforced plastics (LGFRP) – a new approach for lightweight solutions. International Injection Moulding Conference. Aachen, 30.09.-01.10.2015

14 Zepnik, S.; Hendriks, S.; Kabasci, S.; Radusch, H.-J.: Foam extrusion behavior, morphology, and physical foam properties of organic cellulose ester. Journal of Materials Research 28 (2013)

15 N.N.: DIN EN ISO 11925-2: Prüfungen zum Brandverhalten – Entzündbarkeit von Produkten bei direkter Flammeneinwirkung – Teil 2: Einzelflammtest. Berlin: Beuth Verlag, 2010

16 N.N.: DIN EN 13501-1: Klassifizierung von Bauprodukten und Bauarten zu ihrem Brandverhalten – Teil 1: Klassifizierung mit den Ergebnissen aus den Prüfungen zum Brandverhalten von Bauprodukten. Berlin: Beuth Verlag, 2010

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Institut für Kunststoffverarbeitung IKV in Industrie und Handwerk an der RWTH Aachen

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International Polymer Processing

International Polymer Processing, the journal of the Polymer Processing Society, is a discussion forum for the world-wide community of engineers and scientists in the field of polymer processing.

The journal covers research and industrial application in the very specific areas of designing polymer products, processes, processing machinery and equipment.


International Polymer Processing


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