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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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Synergism

Today, flame retardants are mostly used as systems consisting of several components. The benefits of synergistic effects are particularly taken into account. Synergism means that the overall flame retardancy effect is higher than the sum of the single components effects.

A classical example is the synergy of antimony trioxide (ATO) with brominated or chlorinated compounds. ATO alone has no flame retardancy effect; with Br/Cl compounds, however, it is higher than the sum of the single effects.

Many synergistic systems based on phosphorous and nitrogen, metal hydroxides and salts have been developed in recent years. Examples are the synergy between metal phosphinates and melamine polyphosphate, as well as aluminum oxide hydrate (boehmite) or melamine polymetal phosphates.