MATIERES A MOULER EXPANSIBLES EN POLYMERES DE STYRENE, QUI RESISTENT BIEN A L'INFLAMMATION

摘要

HOE 77/F 109 FLAME-RETARDING, EXPANDABLE MOLDING COMPOSITIONS OF STYRENE POLYMERS of the disclosure: There are described expandable molding compositions of styrene polymers containing 1,2,3,4,5,6-hexabromohexene-1 or 1,2,3,4,5,6-hexabromohexene-3 or mixtures thereof as the flame-retarding agent, and showing a favorable combination of improved properties, especially high pre-foaming velocity, good welding, rapid mold-releasing and good flame-retardance.