Stabilised epoxy resins

C - Chemistry – Metallurgy – 08 – K

Patent

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403/56, 400/7931

C08K 5/34 (2006.01) C08K 5/00 (2006.01) C08K 5/3412 (2006.01) C08K 5/3435 (2006.01) C08L 63/00 (2006.01)

Patent

CA 1068437

Stabilised epoxy resins Abstract of the Disclosure Epoxy resins stabilised by at least one sterically hindered cyclic amine of the formula I Image and salts thereof in which q is 1 or 2, X represents an organic grouping which complements the nitrogen-containing ring to give a 5-membered, 6-membered or 7-membered ring, R1 and R2 represent methyl or together represent -(CH2)5-, R3 represents methyl, R4 represents alkyl with 1-5 carbon atoms or together with R3 represents the radicals -(CH2)4-, -(CH2)5-, -CH2-C(CH3)2-NH-C(CH3)2-CH2- or -CH2-C(CH3)2-N(O?)-C(CH3)2-CH2- and, if q is 1, Y denotes hydrogen, -O?, hydroxyl, alkyl, substituted alkyl, alkenyl, alkynyl, aralkyl, substituted aralkyl or acyl or, if q is 2, Y denotes alkylene, alkenylene, alkynylene, cycloalkylene or aralkylene.

224183

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