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Directa Plus says new research demonstrates graphene’s flame retardant properties


Directa Plus (LON:DCTA) said the fire retardant properties of its G+ graphene additive have been validated by recent academic research.

Research at the Polytechnic of Turin, Italy’s oldest technical university, showed the use of water-based G+ graphene ink to coat polymeric foam confers significant flame-retardant properties versus untreated polymeric foam.

A simple application of G+ ink to the external faces of the foam provided good flame-retardant properties, tested in both horizontal and vertical conditions, Directa Plus added.

Polymeric foams are a huge market and used in many applications from roof insulation to furniture.

Alberto Frache, Associate Professor in Materials Science and Technology at the Polytechnic, said: “The results obtained from the coating of water-based G+ graphene ink in the field of flame retardancy were very significant.

“In particular, PET foam samples treated with G+ resist up to seven times the time required for flame penetration compared to the untreated sample.”

DirectaPlus and the Politecnico di Torino have been collaborating closely to develop plastics with outstanding performance, Frache added 

Giulio Cesareo, Directa Plus chief executive, said: “This is a very encouraging piece of research – building on our existing understanding of the use of graphene as a flame retardant.

Directa Plus already owns numerous patents relating to the flame-retardant composition, he added.

The article entitled ‘PET foams surface treated with graphene nanoplatelets: evaluation of thermal resistance and flame retardancy’ in the journal Polymers is available here

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