The present disclosure relates to a method and manufacturing method for a tire tread composition having absorption properties with high electric conductivity and excellent wear resistance. Specifically, the present disclosure relates to the fabrication of a tire composition to be used as a non-pneumatic tire, the tire composition can be used as a mobile electrode with a water supply means that can identify the location of defects in the buried conductor using the tire electrode manufacturing with improved conductivity and contact resistance with the ground even though the tire compound has wear resistance by lowering the water swelling rate compared to the previous technology.

A tire exhibits an improved performance compromise, the tread of which comprises a rubber composition based on an elastomeric matrix comprising from 25 to 95 parts by weight per hundred parts by weight of elastomer, phr, of copolymer based on butadiene and on styrene having a glass transition temperature of less than −70° C., and from 5 to 75 phr of polybutadiene, the elastomeric matrix comprising less than 15 phr of isoprene elastomer; at least one reinforcing filler; from 25 to 100 phr of at least one plasticizing resin having a glass transition temperature of greater than 20° C.; and a vulcanization system.

The present invention is directed to a rubber composition comprising 10 phr to 100 phr of at least one partially saturated elastomer comprising repeat units, wherein at most 15% of all repeat units of the elastomer comprise a double bond; 0 phr to 90 phr of at least one diene based elastomer; 40 phr to 200 phr of at least one filler; and at least 5 phr of aluminum hydroxide.

The present invention is an additive for rubber comprising a compound represented by the following chemical formula (1):

##STR00001## wherein each of R.sup.1 and R.sup.2 is an aliphatic hydrocarbon group with 1 or more and 33 or less carbons; a total number of carbons in R.sup.1 and R.sup.2 is 2 or more and 34 or less; X is a single bond or an aliphatic hydrocarbon group with 1 or more and 5 or less carbons; A represents —O—CH.sub.2—CH(OH)—CH.sub.2OH, —O—CH (—CH.sub.2—OH).sub.2 or —N (R.sup.3) (R.sup.4); R.sup.3 is a hydrogen atom, a methyl group or a hydroxyalkyl group with 2 or more and 4 or less carbons; and R.sup.4 represents a hydroxyalkyl group with 2 or more and 4 or less carbons.

Rubber compositions comprising at least one diene based polymer, a precipitated silica, a coupling agent package comprising a mercapto-functional alkylalkoxysilane and a blocked mercapto-functional alkylalkoxysilane, a deblocking agent, a vulcanizing package comprising at least one vulcanizing agent comprising sulfur and at least one accelerator, and a scorch modifier are provided herein.

Provided is a rubber composition that can achieve excellent breaking resistance while having high operability. A rubber composition comprises: a rubber component containing a multicomponent copolymer that contains a conjugated diene unit, a non-conjugated olefin unit, and an aromatic vinyl unit; and an α-olefin having a number-average molecular weight (Mn) of 50 to 1,000.

A rubber compound for heavy-duty truck or bus tire treads may comprise: 5 to 100 parts by weight per hundred parts by weight rubber (phr) of a long chain branched cyclopentene ring opening rubber (LCB-CPR) having a glass transition temperature (Tg) of −120° C. to −80° C., a g′vis of 0.50 to 0.91, and a ratio of cis-to-trans of 40:60 to 5:95; 0 phr to 95 phr of a rubber selected from a group consisting of a natural rubber (NR), a polybutadiene rubber (BR), and a combination thereof; 30 phr to 90 phr of a reinforcing filler; and 0.5 phr to 20 phr of a process oil.

A method for preparing a polymer, the method comprising polymerizing conjugated diene monomer in the presence of a lanthanide-based catalyst system including (i) a lanthanide-containing compound, (ii) triethyl aluminum, (iii) an aluminum hydride, and (iv) a halogen-containing compound; or a method for preparing a polymer, the method comprising polymerizing conjugated diene monomer in the presence of a lanthanide-based catalyst system including (i) a nickel-containing compound, (ii) triethyl aluminum, (iii) an aluminum hydride, and (iv) a halogen-containing compound selected from fluorine-containing compounds and chlorine-containing compounds.

The present invention relates to an oil-extended conjugated diene-based polymer or an oil-extended modified conjugated diene-based polymer, which has excellent wet skid resistance and abrasion resistance in a balanced way, and a rubber composition including the same, and by controlling the microstructure of the polymer such that a full width at half maximum (FWHM) value of a tan δ peak shown in a temperature range of -100° C. to 100° C. becomes 20° C. or higher in a tan δ graph in accordance with temperature, derived from dynamic viscoelasticity analysis by an Advanced Rheometric Expansion System (ARES), and by including a vegetable oil in a polymer, excellent viscoelasticity behavior properties may be shown, and accordingly, the improvement of overall physical properties may be expected.

The present invention is directed to improved tire tread compositions, such as silica-filled tire tread compositions, and tires using the same. In one embodiment, a tire tread is provided that includes a diene-based elastomer, a reinforcing filler that includes an inorganic filler (e.g., silica), and a plurality of silane compounds including bis(dialkylalkoxysilyl-alkyl) polysulfide coupling agent and at least one alkoxysilane compound selected from a hydrophobating bis(trialkoxyl)silane coupling and a hydrophobating mono(trialkoxyl)silane dispersing agent.