Age protection agents, the production thereof and the...

C - Chemistry – Metallurgy – 08 – K

Patent

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6/128, 402/2, 40

C08K 5/37 (2006.01) C07C 149/42 (1985.01)

Patent

CA 1241021

ABSTRACT An ageing protecting agent, the Production thereof and the polymers which it contains Compounds corresponding to the formula Image wherein R1 and R2 represent H or C1-C4-alkyl, R3 represents H or CH3, R4 represents C7-C20-aralkyl, n represents 1 or 2, and m represents an integer of from 1 to 12, are suitable as ageing protecting agents for polymers and in particular for rubbers which are non-extractable in this form and may be added to polymers.

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