Provided is a rubber composition comprising: a rubber component containing diene-based rubber; a filler, and a compound represented by formula (I) below: ##STR00001##
(wherein: A is an aryl group and has at least two polar groups, which may be the same or different from each other; R.sup.1 and R.sup.2 are each independently at least one substituent selected from a group consisting of a hydrogen atom, an acyl group, an amide group, an alkyl group, a cycloalkyl group, and an aryl group; and further, the substituent may include one or more of O, S, and N atoms), so as to provide a rubber composition excellent in low heat generating property and wear resistance.

Tires and tire components are provided having improved fire properties, as well as the vulcanizable compositions for making the tires and tire components. A vulcanizable composition is provided that includes at least one vulcanizable polymer, a curative, a halogenated hydrocarbon, and expandable graphite. The tires and tire components have improved properties including one or more of improved flame retardancy, reduced smoke density and/or toxicity, and reduced heat release.

Tires and tire components are provided having improved fire properties, as well as the vulcanizable compositions for making the tires and tire components. A vulcanizable composition is provided that includes at least one vulcanizable polymer, a curative, a halogenated hydrocarbon, and expandable graphite. The tires and tire components have improved properties including one or more of improved flame retardancy, reduced smoke density and/or toxicity, and reduced heat release.

The present invention relates to self-supporting tyres for vehicle wheels having sidewall reinforcement inserts (113) with reduced rigidity. These tyres have a good mileage in flat running conditions, greater comfort and significantly reduced rolling resistance compared to known self-supporting tyres, with higher modulus sidewall reinforcement inserts.

Provided is a rubber composition having excellent adhesiveness to a metal member even if no cobalt salt is contained. The rubber composition contains a rubber component, a rubber-metal adhesion promoter containing Bi, and an organic acid salt of metal other than Bi, where a content of metal element other than Bi with respect to a content of Bi element (content of metal element other than Bi/content of Bi element) in the rubber composition is more than 14 and 100 or less in terms of molar ratio, a content of the rubber-metal adhesion promoter is more than 1.5 parts by mass with respect to 100 parts by mass of the rubber component, and the amount of substance of metal element other than Bi contained in the organic acid salt of metal other than Bi in the rubber composition is 0.01 mol or more.

A rubber composition that includes a rubber component, an inorganic fiber material, and a coupling agent. The inorganic fiber material is one or more inorganic fiber materials selected from the group consisting of a magnesium sulfate fiber, a calcium silicate fiber, a potassium titanate fiber, an aluminum borate fiber, and a glass fiber.

Objects are to provide: a fusion protein capable of binding to lipid droplets while having an enzymatic activity to synthesize a hydrophobic compound; a method for producing a substance including accumulating a hydrophobic compound in lipid droplets using the fusion protein; a vector which can enhance production of a hydrophobic compound when it is introduced into cells using genetic recombination techniques; and a transgenic cell into which the vector or a gene coding for the fusion protein has been introduced. The present disclosure relates to a fusion protein having an amino acid sequence (first amino acid sequence) capable of binding to lipid droplets, and an amino acid sequence (second amino acid sequence) having an enzymatic activity to synthesize a hydrophobic compound, with the enzymatic activity of the second amino acid sequence being maintained.

Objects are to provide: a fusion protein capable of binding to lipid droplets while having an enzymatic activity to synthesize a hydrophobic compound; a method for producing a substance including accumulating a hydrophobic compound in lipid droplets using the fusion protein; a vector which can enhance production of a hydrophobic compound when it is introduced into cells using genetic recombination techniques; and a transgenic cell into which the vector or a gene coding for the fusion protein has been introduced. The present disclosure relates to a fusion protein having an amino acid sequence (first amino acid sequence) capable of binding to lipid droplets, and an amino acid sequence (second amino acid sequence) having an enzymatic activity to synthesize a hydrophobic compound, with the enzymatic activity of the second amino acid sequence being maintained.

Rubber compounds may comprise: an epoxidized polypentenamer rubber (CPR) and/or a hydrolyzed epoxidized CPR; and a filler comprising silica particles. One nonlimiting example is rubber compound comprising: phr to 90 phr of a styrene-butadiene rubber (SBR), a natural rubber (NR), and/or a butadiene rubber (BR); 10 phr to 50 phr of a epoxidized CPR and/or a hydrolyzed epoxidized CPR; and 10 phr to 200 phr of a filler comprising silica particles, wherein the SBR, the NR, the BR, the epoxidized CPR, and the hydrolyzed epoxidized CPR combined equal 100 parts. Rubber compounds comprising epoxidized CPR and/or a hydrolyzed epoxidized CPR; and a filler comprising silica particles may be useful in tire compositions.

This disclosure provides a rubber composition that can realize excellent low heat generating properties without deteriorating other performance. The rubber composition contains a rubber component and a filler, where the rubber component contains a conjugated diene-based polymer modified with a modifier containing a compound represented by the formula (1).

##STR00001##