Recycling of thermosetting materials

Details Recycling of thermosetting materials Recycling of thermosetting materials

C - Chemistry, Metallurgy

07

C

C07C 37/52 (2006.01) C07C 51/00 (2006.01) C07C 209/50 (2006.01) C08G 59/14 (2006.01) C08J 11/20 (2006.01) C08L 61/00 (2006.01) C08L 61/06 (2006.01)

Patent

CA 2341651

The invention relates to a method for recycling thermosetting materials in order to produce starting materials. According to said method, a material is processed with a partially hydrogenated aromatic hydrocarbon, at a temperature between 200 and 350 ~C in the presence of an amine. In the case of epoxy resins, use of the amine is not required if processing is carried out at a temperature between 300 and 350 ~C.

L'invention concerne un procédé pour recycler des matériaux thermodurcissables dans le but d'obtenir des produits de départ, selon lequel le matériau est traité avec un hydrocarbure aromatique partiellement hydrogéné, à une température comprise entre 200 et 350 ·C en présence d'une amine. Dans le cas de résines époxydes, l'utilisation d'une amine n'est pas nécessaire lorsque le traitement s'effectue à des températures comprises entre 300 et 350 ·C.

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