C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
400/7087, 260/27
C07D 211/46 (2006.01) C07D 211/94 (2006.01) C08K 5/34 (2006.01) C08K 5/3435 (2006.01) C09K 15/30 (2006.01)
Patent
CA 1091235
NEW STABILISERS Abstract of the Disclosure Malonates of the formula I Image (I) in which R1 is hydrogen or C1-C4-alkyl, R2 is C1-C12-alkyl, C3- C4-alkenyl, benzyl or phenyl which is optionally substituted by C1-C8-alkyl or C1-C8-alkoxy, or is cyano, R3 is C1-C12-alkyl, C3-C4-alkenyl or benzyl and X denotes hydrogen, oxyl, C1-C12- alkyl, C3-C6-alkenyl, C3-C4-alkinyl, C2-C21 alkoxyalkyl, C7-C11- aralkyl, 2,3-epoxypropyl, an aliphatic acyl group with 1 - 4 C atoms or one of the groups -CH2COOR4, -CH2-CH(R5)-OR6, -COOR7 or -CONHR7, in which R4 is C1-C8-alkyl, C3-C6-alkenyl, phenyl, C7-C8-aralkyl or cyclohexyl and R5 is hydrogen, methyl or phenyi and R6 denotes hydrogen or an aliphatic or aromatic, araliphatic or alicyclic acyl group with 1 - 18 C atoms, in which the aro- matic part can optionally he substituted by chlorine, C1-C4- alkyl or C1-C8-alkoxy and/or by hydroxyl, and R7 is C1-C12-alkyl, cyclohexyl, phenyl or benzyl as stabiliser for organic polymers.
277387
Ag Ciba-Geigy
Fetherstonhaugh & Co.
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