Thermal degradation of flame-retardant components in filled and unfilled ABS plastics

Thermal stability and thermal degradation kinetics of epoxy resins with 2-(Diphenylphosphinyl)-1, 4-benzenediol were investegated by thermogravimetric analysis (TGA) at different heating rates of 5 K/min, 10 K/min, 20 K/min and 40 K/min. The thermal degradation kinetic mechanism and models of the modified epoxy resins were determined by Coast Redfern method.The results showed that epoxy resins modified with the flame retardant had more thermal stability than pure epoxy resin. The solid-state decomposition mechanism of epoxy resin and the modified epoxy resin corresponded to the controlled decelerating ځ˽̈́˰̵̳͂͆ͅ˼˰̴̱̾˰̸̵̈́˰̵̸̳̱̹̽̾̓̽˰̶̳̹̾̈́̿̾̓ͅ˰̶˸ځ˹˰̵̵͇͂˰̃˸́˽ځ˹2/3. The introduction of phosphorus-containing flame retardant reduced thermal degradation rate of epoxy resins in the primary stage, and promote the formation of carbon layer.

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Application of Calculus Equation in Solving Thermal Decomposition Kinetics Parameters of Flame Retardant Wood

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.983.190 ◽

2014 ◽

Vol 983 ◽

pp. 190-193

Author(s):

Cai Yun Sun ◽

Yong Li Yang ◽

Ming Gao

Keyword(s):

Activation Energy ◽

Thermal Decomposition ◽

Thermal Degradation ◽

Phosphoric Acid ◽

Flame Retardant ◽

Kinetic Parameters ◽

Flame Retardancy ◽

Decomposition Kinetics ◽

Thermal Decomposition Kinetics ◽

Kinetics Parameters

Wood has been treated with amino resins and amino resins modified with phosphoric acid to impart flame retardancy. The thermal degradation of samples has been studied by thermogravimetry (TG) in air. From the resulting data, kinetic parameters for different stages of thermal degradation are obtained following the method of Broido. For the decomposition of wood and flame retardant wood, the activation energy is found to decrease from 122 to 72 kJmol-1.

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The influence of γ-irradiation on the mechanical, thermal degradation, and flame retardant properties of EVA/LDPE/ATH blends

Journal of Thermal Analysis and Calorimetry ◽

10.1007/s10973-014-4101-z ◽

2014 ◽

Vol 119 (1) ◽

pp. 167-173 ◽

Cited By ~ 14

Author(s):

Shun Zhou ◽

Min Ning ◽

Xiaofeng Wang ◽

Zhijing Yan ◽

Dongfeng Guo ◽

...

Keyword(s):

Thermal Degradation ◽

Flame Retardant ◽

Γ Irradiation ◽

Flame Retardant Properties

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Wool: Its Effect On Flame Retardant Properties of Blend Fabrics

Journal of Fire Sciences ◽

10.1177/073490418300100205 ◽

1983 ◽

Vol 1 (2) ◽

pp. 145-154 ◽

Cited By ~ 6

Author(s):

John V. Beninate ◽

Brenda J. Trask ◽

Timothy A. Calamari ◽

George L. Drake

Keyword(s):

Thermal Degradation ◽

Flame Retardant ◽

Flame Retardants ◽

Oxygen Index ◽

Cotton Fabrics ◽

Cotton Wool ◽

Burning Rates ◽

Low Levels ◽

Flame Retardant Properties ◽

Strength Retention

Durable phosphorus-based flame retardants were applied to twill fabrics con taining cotton and wool to study the effect of wool on the flame retardancy and physical properties of the blend fabrics. The presence of wool in untreated blend fabrics caused burning rates to decrease and oxygen index values to increase as wool content increased in the blends. These effects were also observed in cotton/ wool blends treated with low levels of the Thps-urea-TMM flame retardant, but were less pronounced in fabrics treated at high levels. Thermogravimetric analyses were conducted to study the thermal degradation of the treated and untreated fabrics. The presence of wool in treated blend fabrics did not sig nificantly change strength retention, area shrinkage and wrinkle recovery values in comparison to similarly treated 100% cotton fabrics.

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