Hydroquinonoid ortho-alkylation polymers

Details Hydroquinonoid ortho-alkylation polymers Hydroquinonoid ortho-alkylation polymers

C - Chemistry, Metallurgy

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C08G 61/10 (2006.01) A23L 3/34 (2006.01) A23L 3/3463 (2006.01) C08G 61/02 (2006.01) C08L 101/00 (2006.01) C09K 15/08 (2006.01)

Patent

CA 1093744

P-110 WHB: tm HYDROQUINONOID ORTHO-ALKYLATION POLYMERS AND THE PROCESS OF THEIR PRODUCTION ABSTRACT OF THE DISCLOSURE Hydroquinonoid polymers having n reurring units of the General Structural Formula Image wherein n is 3 or greater, X and X' independently are hydrogen or methyl, R is a lower hydrocarbon, and R' and R'' independently are lower hydrocarbons or hydrogens are disclosed as well as such polymers additionally containing phenolic copolymerizates The preparation of these polymers by the one step copolymerization of a diolefinic hydrocarbon, a hydroquinonoid and optionally a phenolic, in the presence of an ortho-alkylation catalyst, and the use of these polymers as antioxidants, especially for food- stuffs, is also disclosed.

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