Phenothiazine compound, its preparation and use in rubber blends and vehicle tires, as ageing protectant, antioxidant, antiozonant and colorant
AssigneeContinental Reifen Deutschland GmbH
InventorsCarla Recker, Andreas Jacob, David-Raphael Dauer, Julian Strohmeier, Anna-Lena Dreier, Jörg-August Becker, Florian Matz, Rebecca Graf, Jan Flormann
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Abstract
The invention relates to a compound, to a rubber mixture containing the compound, to a vehicle tire comprising the rubber mixture in at least one component, to a process for producing the compound and to the use of the compound as an aging stabilizer and/or antioxidant and/or antiozonant and/or dye. The compound according to the invention has the formula I).
Claims8
A rubber mixture comprising a compound of formula I):
A method for producing a rubber mixture, the method comprising:
- a) providing the substance of formula A)
- b) providing methyl isobutyl ketone (MIBK) and hydrogen (H2);
- c) reacting the substance according to step a) with the substances according to step b) to afford the substance of formula I)
A method for producing a rubber mixture, the method comprising:
- a1) providing the substance of formula A)
- b1) providing a reducing agent, in particular tin (II) chloride dihydrate;
- c1) reacting the substance according to step a1) with the substance from step b1) to afford the substance of formula C1)
- d1) providing methyl isobutyl ketone (MIBK) and hydrogen (H2);
- e1) reacting the substance of formula C1) with the substances according to step d1) to afford the substance of formula I)
Dependencies are inferred from the claim text.