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15/Oct/2018
"Polyurethanes Technical Conference" shows more sustainable alternatives for polyurethane industry
On 1 - 3 October 2018, the 61st annual "Polyu
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12/Oct/2018
Conference "Fires in Vehicles"​ reveals that fire safety still needs to be improved in busses and electric cars
On 3 and 4 October 2018, the 5th biannual "Fi
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14/Aug/2018
New article on Recycling of Halogen-Free Flame-Retardant Plastics
Kunststoffe international 2018/08, PAGE 39 –
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23/Jan/2018
AMIs „Fire Resistance in Plastics“, 2017
The 12th international Fire Resistance in Plastics
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06/Oct/2017
Fraunhofer LBFs and PINFAs research activities on the recycling of plastics containing halogen free flame retardants
Recycling is an important issue with regard to the
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01/Sep/2017
New pinfa video: How effective are flame retardants for fire safety?
A new video from PINFA, the Phosphorus, Inorganic
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Performance comparison of flame retardants for plastics

Halogenated, phosphorous- and nitrogen-containing flame retardants

 
  Halogenated Phosphorus based Nitrogen based Al(OH)3 /
Mg(OH)2
Acting site Gas phase Cond. /
Gas phase
Cond. /
Gas phase
Cond. /
Gas phase
Mode of action Chemical Chemical /
physical
Chemical /
physical
Physical
Efficiency + + + -
Polymer compatibility + 0 0 0
Fire side effects - + + +
Price/performance 0 0 0 0

 

 

 

 

 

 

 

 

Criteria definitions:

Efficiency: the amount of chemical to be used.

Polymer compatibility: indicates how well the flame retardants interacts with the plastic with which it is mixed. In unfavorable cases this means that the overall recipe of the plastic must be changed or optimized for the choice of flame retardants.

Fire side effects: this refers to the volume and toxicity of the smoke and formation of corrosive gases.

Price/performance: refers to the price that must be paid for the necessary fire protection performance, i.e. a small amount of an expensive flame protection medium is as good as a cheaper one where much larger amounts are required.