Magnesium hydroxide/zinc borate/talc compositions as flame-retardants in EVA copolymer

Magnesium hydroxide/zinc borate/talc compositions as flame-retardants in EVA copolymer

The fire‐resistance of EVA filled with ternary systems (magnesium hydroxide/zinc borate/talc) has been investigated. The release of water from Mg(OH)2 seemed to be the predominant phenomenon which acts in relation to fire‐resistance. The presence of talc as a minor component, mainly in binary compos...

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Veröffentlicht in:Polymer international 2000-10, Vol.49 (10), p.1101-1105
Hauptverfasser: Durin-France, A, Ferry, L, Lopez Cuesta, J-M, Crespy, A
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Compounding ingredients
Engineering Sciences
EVA
Exact sciences and technology
Fireproof agents
flame-retardant
magnesium hydroxide
Polymer industry, paints, wood
talc
Technology of polymers
zinc borate
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Zusammenfassung:The fire‐resistance of EVA filled with ternary systems (magnesium hydroxide/zinc borate/talc) has been investigated. The release of water from Mg(OH)2 seemed to be the predominant phenomenon which acts in relation to fire‐resistance. The presence of talc as a minor component, mainly in binary compositions by partial substitution of Mg(OH)2, appeared to enhance the flame‐retardant properties. It acts by forming a diffusion barrier which is able to limit the transfer of degradation products and oxygen. Synergism was also noticed between talc and zinc borate at constant Mg(OH)2 loading in ternary compositions. © 2000 Society of Chemical Industry
ISSN:0959-8103
1097-0126
DOI:10.1002/1097-0126(200010)49:10<1101::AID-PI523>3.0.CO;2-5