Thermal decomposition of carbonates, carboxylates, oxalates, acetates, formates, and hydroxides

Mu, Jacob; Perlmutter, David D.

doi:10.1016/0040-6031(81)80175-x

Cited by 137 publications

(60 citation statements)

References 4 publications

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“…Aluminium trihydroxide, Al(OH) 3 , ATH, starts to release water at around 200 C and continues up to 550 C. 46 The formed non-flammable aluminium oxide and the endothermic release of water vapour create an unfavourable environment for combustion at the surface of the material, thus cooling and slowing down the burning. 35 wt % of the ATH was released as water.…”

Section: Hydroxidesmentioning

confidence: 99%

Cone calorimeter study of inorganic salts as flame retardants in polyurethane adhesive with limestone filler

Lindholm¹,

Brink²,

Wilén³

et al. 2011

J of Applied Polymer Sci

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A cone calorimeter was used to test inorganic water-releasing and low-melting compounds as flame retardants in polyurethane adhesive samples. Sodium metasilicate pentahydrate, potassium carbonate mixed with silica gel, sodium hydrogen carbonate, calcium oxalate monohydrate, zinc and magnesium chloride mixed with potassium chloride, aluminium and magnesium hydroxides, ammonium polyphosphate (APP), sodium and potassium phosphates were tested. These additives were used to partially (10-20%) replace the limestone used as a filler in the adhesive. Thermogravimetric analysis was used to study decomposition and melting of the inorganic compounds. The results showed that sodium metasilicate monohydrate formed a protective layer of sodium silicate on the sample surface, significantly delaying the time to ignition. Addition of APP resulted in the lowest overall heat release rate curve.

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Section: Hydroxidesmentioning

confidence: 99%

Cone calorimeter study of inorganic salts as flame retardants in polyurethane adhesive with limestone filler

Lindholm¹,

Brink²,

Wilén³

et al. 2011

J of Applied Polymer Sci

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“…The latter should have the form log k = ~-(n (6) i.e. n = (y-log A)/(+ E/2.3 R(T, from which it is seen that (6) actually corresponds to a definite relationship between the formal quantities n, A and E. Note that isoparametric relation (6) confirms the existence of values of 9 at which the rate is independent of n, i.e.…”

Section: Nonisothermai Conditionsmentioning

confidence: 99%

“…Correspondingly, the CE analysis for solid-phase reactions runs into great difficulties. The experimentally measured values of E and A may be unnaturally high (up to 1092 S-1 for A [6]) or low (negative E), and for this reason they cannot be considered as characteristics of the reaction energy barrier.…”

Section: Introductionmentioning

confidence: 96%

Isoparametric kinetic relations for chemical transformations in condensed substances (Analytical survey). II. Reactions involving the participation of solid substances

Лесникович¹,

Levchik²

1985

Journal of Thermal Analysis

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“…28 If the sample mass is not sufficiently low for the given heating rate, significant self-heating arises. The problem is illustrated in Figure 1, which compares the burn-off of 0.2 and 0.6 mg spruce char (S500-8) at 10°C/min heating rate.…”

Section: Effect Of the Transport Processesmentioning

confidence: 99%

Combustion Characteristics of Biomass Charcoals Produced at Different Carbonization Conditions: A Kinetic Study

et al. 2016

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ABSTRACT. The combustion properties of spruce chars and spruce forest residue chars were studied in the kinetic regime by a series of TGA experiments. The work aimed at establishing how the pressure of the char preparation affects the reactivity with oxygen. Parts of the chars were prepared from a thin layer of biomass in inert gas flow at atmospheric pressure and at 0. in the preparation, remarkable similarities were observed in the combustion behavior of the samples. The kinetics of the char burn-off was described by assuming three partial reactions. 18 experiments at three different temperature programs were evaluated by the method of least squares to obtain dependable kinetic model variants. A common activation energy of 150 kJ/mol gave a reasonable description for the three partial reactions in all experiments.

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Thermal decomposition of carbonates, carboxylates, oxalates, acetates, formates, and hydroxides

Cited by 137 publications

References 4 publications

Cone calorimeter study of inorganic salts as flame retardants in polyurethane adhesive with limestone filler

Cone calorimeter study of inorganic salts as flame retardants in polyurethane adhesive with limestone filler

Isoparametric kinetic relations for chemical transformations in condensed substances (Analytical survey). II. Reactions involving the participation of solid substances

Combustion Characteristics of Biomass Charcoals Produced at Different Carbonization Conditions: A Kinetic Study

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