Derivatives of poly(iso)butene

Details Derivatives of poly(iso)butene Derivatives of poly(iso)butene

C - Chemistry, Metallurgy

07

D

C07D 307/60 (2006.01) C07C 57/13 (2006.01) C07C 69/593 (2006.01) C07D 207/412 (2006.01) C08F 8/10 (2006.01) C08F 8/30 (2006.01) C08F 8/32 (2006.01) C08F 8/46 (2006.01) C08F 110/10 (2006.01) C10L 1/22 (2006.01) C10M 133/18 (2006.01)

Patent

CA 2105720

ABSTRACT OF THE DISCLOSURE NOVEL DERIVATIVES OF POLY(ISO)BUTENE This invention relates to a substituted acylating agent derivable by reacting a polymer comprising poly(iso)butene with an enophile wherein at least 50% of the undaturated linkages in the poly(iso)butene reactant terminate in a =CH2 group forming the highly reactive component (HRPIB) thereof. The number average molecular weight (Mn) of the HRPIB is at least 750 and the substitution ratio of the substituted acylating agent, which is chlorine free, is <1.3. Such agents are most useful intermediates for producing eg functionalised amino- and hydroxylated-derivatives which can be used for improving the dispersancy, detergency and VI of lubricating oils and fuels.

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