Expandable styrene polymers containing recycled material

Details Expandable styrene polymers containing recycled material Expandable styrene polymers containing recycled material

C - Chemistry, Metallurgy

08

L

C08L 25/04 (2006.01) C08F 257/02 (2006.01) C08J 9/20 (2006.01) C08J 11/06 (2006.01)

Patent

CA 2198782

The object of the invention are expandable styrene polymers containing polystyrene recyclate with a recyclate content of 50 to 1000 wt.% in relation to the total weight of the polystyrene, to which alkyl di(2-hydroxy ethyl) amines are added during polymerisation.

L'invention concerne des polymérisats de styrène expansibles qui contiennent un recyclat de polystyrène. Leur teneur en recyclat est comprise entre 50 et 1000 % en poids, par rapport au poids global du polystyrène, auquel on ajoute des alkyle-di(2-hydroxyéthyl)-amines pendant le processus de polymérisation.

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