Novel heterocyclic nitrogen compound mannich base...

Details Novel heterocyclic nitrogen compound mannich base... Novel heterocyclic nitrogen compound mannich base...

C - Chemistry, Metallurgy

08

G

C08G 12/26 (2006.01) C08F 8/30 (2006.01) C10L 1/22 (2006.01) C10L 1/232 (2006.01) C10L 1/2383 (2006.01) C10M 143/02 (2006.01) C10M 149/02 (2006.01) C10M 149/14 (2006.01) C10M 159/16 (2006.01)

Patent

CA 2077681

The novel polymers of the present invention are prepared by reacting a heterocyclic nitrogen compound containing at least one -N(H)- group in the ring, an aldehyde and amino-substituted polymer (e.g., an ethylene alpha-olefin interpolymer substituted by primary amino or secondary amino groups) to form an oil soluble Mannich base derivative useful as antioxidant additive in oleaginous compositions such as lubricating oils and fuels. Preferred heterocyclic nitrogen compounds are azoles such as benzo- triazoles and alkyl-substituted benzotriazoles. Preferred amino-substituted interpolymers comprise amino-substituted ethylene propylene norbornene terpolymers. The polymers of this invention are oil soluble and are useful as dispersants, viscosity index improver dispersants, and as antiwear and antioxidant additives in oleaginous compositions.

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