Mechanism of Action of Phosphorus-Based Flame Retardants in Nylon 6. II. Ammonium Polyphosphate/Talc-Reference-Cited by-同舟云学术

Mechanism of Action of Phosphorus-Based Flame Retardants in Nylon 6. II. Ammonium Polyphosphate/Talc

Published:1995-01 Issue:1 Volume:13 Page:43-58
ISSN:0734-9041
Container-title:Journal of Fire Sciences
language:en
Short-container-title:Journal of Fire Sciences

Author:

Levchik S.V.¹,Levchik G.F.¹,Camino G.²,Costa L.²

Affiliation:

1. Research Institute for Physical Chemical Problems Byelorussian University Leningradskaya 14 220050 Minsk, Belarus

2. Università Degli Studi di Torino Dipartimento di Chimica Inorganica Chimica Fisica e Chimica dei Materiali Gruppo Materiali Polimerici Via Pietro Giuria, 7 10125 Torino, Italy

Abstract

Talc added to PA-6 fire retardant with APP increases the oxygen index and upgrades the UL94 ranking to class V0. A chemical reaction of APP with talc, detected in the mixtures above 350°C, prevents volatilization of poly phosphoric acid and increases the amount of thermally stable solid residue. The inorganic phosphates that are formed improve the insulating properties of the intumescent layer on the surface of burning PA-6, as compared to the use of APP alone.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://journals.sagepub.com/doi/pdf/10.1177/073490419501300103

Reference13 articles.

1. Retardation of Combustion of Polyamides

2. Effect of the fire-retardant, ammonium polyphosphate, on the thermal decomposition of aliphatic polyamides: Part II—polyamide 6

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