The flammability of polyacrylonitrile and its copolymers III. Effect of flame retardants

Hall, M. E., Zhang, Jun and Horrocks, Richard ORCID: 0000-0003-1431-058X (1994) The flammability of polyacrylonitrile and its copolymers III. Effect of flame retardants. Fire and Materials, 18 (4). pp. 231-241. ISSN 0308-0501

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Official URL: https://onlinelibrary.wiley.com/journal/10991018

Abstract

This paper extends previously reported work and describes the influence that a range of selected flame retardants have on the burning behaviour and pyrolyses of homo‐and copolymers of acrylonitrile. Various inorganic and organic phosphorus and nitrogen‐ or sulphur‐containing, halogen‐containing (in the absence and presence of halogen or antimony (III) oxide) and nitrogen‐containing flame retardants and red phosphorus were studied using LOI, TGA, DSC and residual char measuring techniques. Flame retardancy relates directly to char‐forming tendency for all retardants and their ability to reduce the dominance of flammable volatiles formed during the first stage of acrylic polymer pyrolysis. Ammonium phosphates are particularly effective flame retardants for the selected copolymers. Possible mechanisms of retardant activity are discussed, including the char‐forming tendency of antimony–bromine combinations.

Item Type: Article
Divisions: University of Bolton Research Centres > Institute for Materials Research and Innovation
Depositing User: Tracey Gill
Date Deposited: 09 Aug 2018 14:11
Last Modified: 09 Aug 2018 14:11
Identification Number: 10.1002/fam.810180406
URI: http://ubir.bolton.ac.uk/id/eprint/1838

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