Effect of Recycling on Fire Retardancy of Intumescent Polypropylene Based Blends-Reference-Cited by-同舟云学术

Effect of Recycling on Fire Retardancy of Intumescent Polypropylene Based Blends

Published:2004-02 Issue:1 Volume:20 Page:25-45
ISSN:1477-7606
Container-title:Progress in Rubber, Plastics and Recycling Technology
language:en
Short-container-title:Progress in Rubber, Plastics and Recycling Technology

Author:

Almeras Xavier¹,Le Bras Michel¹,Hornsby Peter²,Bourbigot Serge³,Marosi Gyorgy⁴,Anna Peter⁴,Delobel René⁵

Affiliation:

1. Laboratoire Proccédés d'Elaborations de Revêtements Fonctionnels UPRES EA 1040, ENSC-Lille, BP 108, 59652 Villeneuve d'Ascq Cedex France

2. Brunel University, Brunel UK

3. ENSAIT, Gemtex, Roubaix, France

4. Technical University of Budapest, Budapest Hungary

5. CREPIM Bruay la Buissière, France

Abstract

This work deals with the effect of recycling on halogen-free flame retarded polypropylene blends. The intumescent ammonium polyphosphate/polyamide-6/polypropylene blend is considered. The study of the fire properties using cone calorimeter shows a decrease in the fire performance. Recycling the blends induces chemical modifications of polymer and additives. The chemical modifications due to the recycling are investigated by solid state31P NMR. It is shown that APP is degraded. These modifications induce a loss of the ammonium contents, which could explain the decrease in the fire performance.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Organic Chemistry,General Chemical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/147776060402000103

Reference19 articles.

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