2012
DOI: 10.1016/j.polymdegradstab.2012.01.024
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The fire retardant effects of huntite in natural mixtures with hydromagnesite

Abstract: The fire retardant effects of natural mixtures of huntite and hydromagnesite have been investigated. As well as being entirely natural these mixtures of minerals can be considered "greener" and more environmentally friendly, in their production methods, than alternatives such as aluminium hydroxide and magnesium hydroxide. It has been shown that the release of water and carbon dioxide from hydromagnesite helps to increase the time to ignition and peak heat release in cone calorimeter testing. Huntite has been … Show more

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Cited by 52 publications
(32 citation statements)
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“…Huntite offers advantage of lower cost, compared to other FRA, such as aluminium hydroxide and magnesium hydroxide [14]. Moreover, the production of aluminium and manganese hydroxides generates a problem related to the disposal of toxic chemical waste [14]. It is expected that huntite can replace toxic [11,12] halogenated FRA, in many polymer products.…”
mentioning
confidence: 99%
“…Huntite offers advantage of lower cost, compared to other FRA, such as aluminium hydroxide and magnesium hydroxide [14]. Moreover, the production of aluminium and manganese hydroxides generates a problem related to the disposal of toxic chemical waste [14]. It is expected that huntite can replace toxic [11,12] halogenated FRA, in many polymer products.…”
mentioning
confidence: 99%
“…This trend may be explained by the fact that the endothermic decomposition of ATH to produce water vapour occurs at 180 °C, which is lower than the decomposition temperature of calcium carbonate in carbon dioxide (450°C) and also lower than the decomposition temperature of the polymer coPe2 (350 °C). Morever, calcium carbonate has a lower heat capacity (840 J.kg -1 .K -1 ) than ATH (1200 J.kg -1 .K -1 ) (Hollingbery and Hull, 2012).…”
Section: Figure 4: Influence Of the Addition Of 20 %Wt Fr On The Minmentioning
confidence: 98%
“…ATH is commonly used for fibre reinforced plastics and especially in medium and high voltage applications because they have very good thermo-mechanical and dielectric properties. They can be mixed with ammonium polyphosphate or phosphinate organic, which allows a significant reduction of the total flame-retardant ratio (Horrocks and Price, 2001; M A N U S C R I P T A C C E P T E D ACCEPTED MANUSCRIPT Hapuarachchi, 2009;Laoutid et al, 2009;Hull et al, 2011;Hollingbery and Hull, 2012;Naik et al, 2013;Zheng et al, 2014).…”
Section: Binders Flame Retardants and Flowing Agentmentioning
confidence: 99%
“…Dypingite-like Mg-carbonates can serve as a flame-retardant or fire-retardant additive for polymers [81][82][83] or simply as backfill [84]. Hydromagnesite is also a promising material to replace CaO in calcium-based cement, which usually has a net release of CO 2 , as opposed to Mg-based cement, which could potentially absorb nearly as much CO 2 during its service life as was emitted during its manufacture (carbon-neutral) [85].…”
Section: Implications For Industrial Applicationsmentioning
confidence: 99%