Abstract: The present invention relates to a vulcanizable rubber composition, comprising a vulcanization system VS that comprises at least one peroxide, a rubber component K containing at least one rubber that is cross-linkable by means of the at least one peroxide of the VS, and a filler component F containing at least one organic filler that has a 14C content in a range from 0.20 to 0.45 Bq/g carbon and a d99 value of <25.

Abstract: The present invention relates to a vulcanizable rubber composition, comprising a vulcanization system VS that comprises at least sulfur and/or at least one sulfur donor, a rubber component K containing at least one rubber that is cross-linkable by means of sulfur, a filler component F that contains at least one organic filler having a 14C content in a range from 0.20 to 0.

Abstract: The present invention relates to an organic filler, wherein a covalent bonding of at least one organic modifier to the organic filler has been effected at least via a part of the oxygen atoms of at least one functional group of the filler which is selected from phenolic OH groups, phenolate groups, aliphatic OH groups, carboxylic acid groups, carboxylate groups and mixtures thereof, a rubber composition comprising at least one rubber and at least the filler mentioned hereinabove, a vulcanizable rubber composition that additionally comprises a vulcanization system, a vulcanized rubber composition obtainable therefrom, as well as a use of the filler mentioned hereinabove for the production of (vulcanizable) rubber compositions for employment in the production of tires, preferably pneumatic tires and solid tires, preferably for the tread, sidewall and/or inner liner thereof, respectively, and/or for employment in the production of technical rubber articles, preferably profiles, seals, dampers and/or hoses.

Abstract: The present invention relates to an organic filler, wherein a covalent bonding of at least one organic modifier to the organic filler has been effected (i) at least via a part of the oxygen atoms of at least one functional group of the filler which is selected from phenolic OH groups, phenolate groups, aliphatic OH groups, carboxylic acid groups, carboxylate groups and mixtures thereof and/or (ii) at least via a part of the carbon atoms of the filler that are in ortho position with regard to phenolic OH groups and/or phenolate groups, a rubber composition comprising at least one rubber and at least the filler mentioned hereinabove, a vulcanizable rubber composition that additionally comprises a vulcanization system, a vulcanized rubber composition obtainable therefrom, as well as a use of the filler mentioned hereinabove for the production of (vulcanizable) rubber compositions for employment in the production of tires, preferably pneumatic tires and solid tires, preferably for their tread, sidewall and/or inn

Abstract: The invention relates to fine particulate carbon material, and to a method of production and the use thereof.

Abstract: The present invention relates to a method for producing lignin in particle form from a liquid containing lignin-containing raw material, the method comprising at least: reacting the liquid with a cross-linking agent (step a)), precipitating the lignin, thereby forming lignin particles in the liquid (step b)), and separating the liquid from the lignin particles formed in step b) (step c)), and wherein, in step b), the liquid is heat-treated, after precipitation, at a temperature in the range of 60 to 200° C. for a period of 1 minute to 6 hours, and/or, in an additional step d) after step c), the lignin particles separated from the liquid are heat-treated at a temperature in the range of 60 to 600° C. The invention also relates to lignin particles which can be obtained according to the method, lignin particles per se, a use of the lignin particles as filler, and a rubber composition comprising, inter alia, a filler component, the latter containing lignin particles as a filler.

Abstract: The invention relates to a method for producing a crosslinked lignin in particle form using a hydrothermal treatment of a liquid, which is made of black liquor, contains lignin and a crosslinker or a precursor thereof, and has an electrical activity ranging from more than 15 mS/cm, preferably more than 25 mS/cm, to 400 mS/cm, and to the crosslinked lignin produced using the aforementioned method. The invention additionally relates to crosslinked lignin particles which have a glass transition temperature Tg of at least 160° C. or no glass transition temperature and an STSA surface area of at least 10 m2/g and to rubber articles, in particular technical rubber articles or tires, which comprise crosslinked lignin particles as a filler.

Abstract: The invention relates to a rubber composition comprising a rubber component that comprises at least one halobutyl rubber selected from the group consisting of bromobutyl rubber and chlorobutyl rubber; and a filler component that comprises at least one filler F1 which has a 14C content in the range of 0.20 to 0.45 Bq/g of carbon; a carbon content in the range of 60 wt. % to 85 wt. % relative to the ash-free and water-free filler; an STSA surface area in the range of 10 m2/g of filler to 50 m2/g of filler; and acidic hydroxyl groups on its surface; and wherein the proportion of halobutyl rubber in the rubber composition is 70 to 100 phr. The invention further relates to a vulcanisable and a vulcanised rubber composition based on the aforementioned rubber composition, a kit of parts for preparing the vulcanisable rubber composition, and methods for preparing the rubber composition and the vulcanisable rubber composition.

Abstract: The invention relates to a method for producing stabilized lignin from lignin-containing raw materials, comprising two process steps. The invention also relates to the stabilized lignin produced in this way.

Abstract: The present invention relates to a process for separating particulate carbon materials and to the materials obtained thereby as well as to their use.

Abstract: It is provided a method for reducing the odor of particulate carbon materials and to the materials obtained thereby.