Flame-retardant foam slabs are based on styrene polymers wherein from 1 to 12% by weight of expanded graphite and also, if desired, from 1 to 12% by weight of a phosphorus compound are present as flame retardants.

 
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< Oil gel formulations containing polystyrene-polydimethylsiloxane or polyethylene-polydimethylsiloxane block copolymers dissolved in siloxane monomers

< Method for recovering styrene monomer from polystyrene resin by using a catalyst

> Brominated polystyrene having improved thermal stability and color and process for the preparation thereof

> Method for the production of a substantially open-cell polystyrene sheet
~ 00039