Process for producing diarylamine antioxidants in globular form

C - Chemistry – Metallurgy – 09 – K

Patent

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18/502, 31/79

C09K 15/16 (2006.01) B01J 2/06 (2006.01) C08K 7/16 (2006.01) C08K 9/00 (2006.01) C08L 21/00 (2006.01) C09K 15/18 (2006.01)

Patent

CA 1165959

A B S T R A C T The present invention relates to a process for producing a diarylamine antioxidant in globular form comprising, adding a diarylamine antioxident in molten state to an aqueous solution of a surface-active agent, stirring the solution and solidifying the antioxident by cooling. The globular product of the process of the invention possesses excellent flowability and is resistant to crumbling.

398821

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