Alkali Lignin as a Carbonization Agent on the Thermal Degradation and Flame Retardancy of Intumescent Flame Retardant Coating

2013 ◽  
Vol 750-752 ◽  
pp. 1385-1388 ◽  
Author(s):  
Li Yong Jiao ◽  
Zheng Jie Wu
Keyword(s):  
Thermal Degradation ◽  
Flame Retardant ◽  
Flame Retardancy ◽  
Cone Calorimeter ◽  
Intumescent Flame Retardant ◽  
Thermal Stabilities ◽  
Alkali Lignin ◽  
Blowing Agent ◽  
Cone Calorimeter Test ◽  
Peak Heat Release Rate

The influence of alkali lignin (AL) as a carbonization agent on the thermal degradation and flame retardancy of intumescent flame retardant (IFR) coating was investigated under air condition, with ammonium polyphosphate (APP) as an acid source, and melamine (MEL) as a blowing agent. Compared with a traditional APP/pentaerythritol (PER) /MEL IFR system, thermogravimetric analysis (TGA) results showed that APP/AL/MEL IFR system could induce the synergistic effect at a much boarder temperature range, and improve the thermal stabilities of the IFR coating. With the increase of AL loading, cone calorimeter test showed the peak heat release rate of the IFR coatings decreased from 54.86 MJ/m2to 41.06 MJ/m2.

The Effect of Kaolin Clay on Fire Retardancy and Thermal Degradation of Intumescent Flame Retardant (IFR)/Natural Rubber Composite

2013 ◽  
Vol 844 ◽  
pp. 334-337 ◽  
Author(s):  
Thiranan Thuechart ◽  
Wirunya Keawwattana
Keyword(s):  
Thermal Degradation ◽  
Natural Rubber ◽  
Flame Retardant ◽  
Cone Calorimeter ◽  
Intumescent Flame Retardant ◽  
Kaolin Clay ◽  
Fire Retardancy ◽  
Blowing Agent ◽  
Rubber Composite ◽  
Synergistic Agent

Study the effect of kaolin clay as a synergistic agent on flame retardancy and thermal degradation in natural rubber based on intumescent flame retardant (IFR); consisting of ammonium polyphosphate (APP) as acid source, pentaerythritol (PER) as a carbonization agent and melamine (ME) as a blowing agent was undertaken. The intumescent was examined at different loading (60, 80 and 100 phr). Kaolin clay was incorporated into flame retardant at four different concentrations (0.5, 1.0, 1.5 and 2.0 wt% of flame retardant) to investigate the synergism between the flame retardant materials. The flammability and thermal degradation of composites were characterized by UL-94 rating (vertical burning) test, cone calorimeter (CONE) and thermogravimetric analysis (TGA). All composites could meet the UL94V-0 standard. A synergist effect was observed when kaolin clay is used in combination with the intumescent flame-retardant through the TGA and CONE results. Moreover Scanning Electron Microscope (SEM) was done for the char morphology.

Flame retardancy and thermal degradation of intumescent flame retardant polypropylene with MP/TPMP

2008 ◽  
Vol 20 (8) ◽  
pp. 696-702 ◽  
Author(s):  
Weiyi Xing ◽  
Lei Song ◽  
Hongdian Lu ◽  
Yuan Hu ◽  
Shun Zhou
Keyword(s):  
Thermal Degradation ◽  
Flame Retardant ◽  
Flame Retardancy ◽  
Intumescent Flame Retardant
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