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WO/2008/078813 |
Disclosed is a method for producing a modified conjugated diene polymer, which comprises a step (A) wherein a primary modified conjugated diene polymer is obtained by performing a primary modification reaction wherein a conjugated diene ...
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WO/2008/079807 |
Provided is a composition comprising at least two (mono-vinyl aromatic-conjugated diene) copolymer rubbers and a polymeric nano-particle comprising a poly (mono-vinyl aromatic) core and a poly (mono-vinyl aromatic-conjugated diene) surfa...
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WO/2008/078822 |
Disclosed is a rubber composition for a tire, which comprises: (1) 100 parts by weight of a rubber component comprising a natural rubber and/or a diene-type synthetic rubber; and (2) (a) 0.5 to 40 parts by weight of a porous diatomaceous...
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WO/2008/076875 |
A backbone modified polymer comprising the reaction product of an elastomeric polymer and a sulfide modifier represented by Formula 1: AS-Y-Zm (Formula 1), and wherein Y is (C12-C100) aralkyl, (C12-C100) aryl, (C12-C100) alkyl, or (C12-C...
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WO/2008/074567 |
The invention relates to a sulfur-crosslinkable rubber mixture, especially for the treads of bicycle tires, comprising, for low rolling resistance, low abrasion and good wet performance - 25 phr (parts by weight, based on 100 parts by we...
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WO/2008/074341 |
Tire comprising at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising a crosslinkable elastomeric base comprising at least 30 phr, prefera...
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WO/2008/071208 |
Tire comprising at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric composition comprising : (a) 100 phr of at least one elastomeric polymer; (b) from 0.1 phr ...
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WO/2008/071220 |
Process for producing tyres (100) for vehicle wheels, said process comprising the following stages: manufacturing a green tyre (100) comprising at least one element made of crosslinkable elastomeric material, said element being obtained ...
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WO/2008/068543 |
Process for making a nanocomposite material having an elastomeric matrix for applications in the field of tyres, in particular, mixtures for tyre treads, comprising the steps of: dispersing clay material in a softened acqueous solution o...
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WO/2008/060273 |
An elastomer composition includes an elastomer and a carbon black, wherein the carbon black is characterized as having a COAN of between about 90 and 150 ml/100 g, a BET of between 50 and 69 m2/g and a distribution index DI that is great...
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WO/2008/058813 |
The invention relates to a sulfur-crosslinkable rubber mixture, especially for the tread of pneumatic vehicle tires, comprising at least one partly hydrogenated solution-polymerized styrene-butadiene copolymer, at least one further diene...
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WO/2008/060302 |
A multi-layered construction particularly useful in pneumatic tires and hoses comprising a fluid permeation prevention layer having upper and lower surfaces; a layer comprising at least one high diene rubber in laminate relation with the...
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WO/2008/056797 |
Disclosed is a rubber composition which comprises: (A) 100 parts by weight of a diene rubber; (B) 0.1 to 30 parts by weight of a silk powder which has been embrittled and then milled so that the maximum particle diameter becomes 63 μm a...
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WO/2008/054023 |
Disclosed is a pneumatic tire which is excellent in durability and steering stability. Specifically disclosed is a pneumatic tire having a tread portion composed of a cap tread layer (layer A) and an undertread layer (layer B), wherein w...
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WO/2008/052572 |
A tire for vehicle wheels, comprising at least one elastomeric component comprising a crosslinked elastomeric material obtained by crosslinking an elastomeric composition comprising at least one diene elastomeric polymer; at least one su...
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WO/2008/052571 |
A tire for vehicle wheels, comprising at least one structural element obtained by crosslinking a crosslinkable elastomeric composition comprising at least one vulcanized rubber in a subdivided form surface treated with at least one oxidi...
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WO/2008/050845 |
The invention provides a process for the production of modified conjugated diene polymers which are excellent in the interaction between rubber and carbon black and/or silica and therefore exhibit improved dispersion of these fillers and...
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WO/2008/051253 |
An article having a fluid permeation prevention layer, such as a pneumatic tire or hose. A tire for example includes an outer tread layer, intermediate sidewall and carcass layers and an innermost air permeation prevention layer: (i) the...
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WO/2008/048536 |
Elastomeric interpolymers comprising at least two, or more, cyclic olefin monomers that are prepared by ring opening metathesis polymerization, and that are characterized by having no crystallinity, a glass transition temperature (Tg) of...
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WO/2008/048536 |
Elastomeric interpolymers comprising at least two, or more, cyclic olefin monomers that are prepared by ring opening metathesis polymerization, and that are characterized by having no crystallinity, a glass transition temperature (Tg) of...
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WO/2008/047582 |
Disclosed is a rubber composition for side rubbers, which has good workability and reduced hysteresis loss without decreasing durability of side rubbers. Specifically disclosed is a rubber composition for side rubbers, which is obtained ...
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WO/2008/044288 |
Provided is a pneumatic tire, which can be manufactured by the conventional method requiring neither a special tire manufacturing process nor an addition of a member or process, which is excellent in rolling resistance and wet performanc...
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WO/2008/044722 |
Disclosed is a rubber composition excellent in wear resistance and low heat generation property. Also disclosed is a method for producing such a rubber composition, a tire member using such a rubber composition, and a tire. Specifically ...
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WO/2008/045372 |
Branched polymers including multi-branched polymers, functionalized branched polymers, star-branched polymers, and dendigraft polymers. Methods for the synthesis of branched polymers and method for the use of branched polymers in tire co...
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WO/2008/044289 |
A pneumatic tire that can be manufactured according to a conventional process not requiring any special tire manufacturing step and not needing any addition of material members and process steps, and that not only excels in rolling resis...
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WO/2008/045372 |
Branched polymers including multi-branched polymers, functionalized branched polymers, star-branched polymers, and dendigraft polymers. Methods for the synthesis of branched polymers and method for the use of branched polymers in tire co...
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WO/2008/040508 |
The invention pertains to a composition comprising a particle and a matrix, wherein the particle is at least partially coated with a compound or a mixture of compounds comprising at least one of a) a polysulfide polymer and a curing syst...
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WO/2008/041631 |
[PROBLEMS] To provide: a rubber composition having an excellent exothermic property and excellent wear resistance; a modified conjugated dine polymer for producing the rubber composition; and a process for producing the polymer. [MEANS F...
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WO/2008/034591 |
The invention relates to a rubber composition comprising a natural or synthetic rubber or a mixture of such rubbers, a tackifier, and optionally further additives, wherein the tackifier is prepared from a rosin and an alkylphenol aldehyd...
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WO/2008/032836 |
A rubber composition which can improve wearing resistance without impairing unsusceptibility to heat build-up; and a pneumatic tire for high loads which has both unsusceptibility to heat build-up and wearing resistance. The rubber compos...
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WO/2008/029814 |
It is intended to provide a rubber composition having low-temperature flexibility and low rolling resistance which are highly compatible with each other by blending (B) a low-molecular weight conjugated diene polymer which has at least o...
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WO/2008/029577 |
A rubber composite constituted of at least two layer members made of rubber compositions containing sulfur-crosslinked diene rubbers, in which the sulfur concentration difference between layer members adjacent to each other is 1.5 parts ...
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WO/2008/027045 |
Elastomer compositions and products formed therefrom, the compositions including one or more elastomers and glass microfibers having an average fiber diameter of no more than about 5 μm and an average length of between about 5 and 200 Î...
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WO/2008/023616 |
Disclosed is a rubber composition containing 100 parts by weight of a diene rubber (A), 0.1-10 parts by weight of an amine salt compound of a carboxylic acid group-containing disulfide represented by the formula (I) below as a vulcanizat...
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WO/2008/022378 |
The present invention relates generally to a coulter scraping assembly (10) incorporating a coulter scraping tool (12) which includes a rotary blade (18). The rotary blade (18) is dish-shaped being shallow with a relatively narrow profil...
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WO/2008/021299 |
The disclosure herein relates to organofunctional silanes and mixtures of organofunctional silanes possessing mercaptan and hydrocarbyl and/or heterocarbyl functionality. These silanes reduce or eliminate the generation of volatile organ...
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WO/2008/020488 |
Compounds of carboxylated disulfide amine salt represented by the formula: (I) (wherein each of R1, R2 and R3 independently is hydrogen or a C1-C20 organic group optionally having a heteroatom and/or substituent; and X is a C2-C20 organi...
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WO/2008/021299 |
The disclosure herein relates to organofunctional silanes and mixtures of organofunctional silanes possessing mercaptan and hydrocarbyl and/or heterocarbyl functionality. These silanes reduce or eliminate the generation of volatile organ...
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WO/2008/020604 |
Disclosed is a compounding agent for rubber vulcanization which is composed of an amine salt compound of a carboxylic acid group-containing disulfide represented by the formula (I) below. Also disclosed are a method for manufacturing suc...
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WO/2008/015923 |
Disclosed is a rubber composition for tires having excellent grip performance and excellent wear resistance. Also disclosed is a tire using such a rubber composition. Specifically disclosed is a rubber composition which contains, per 100...
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WO/2008/010531 |
This invention provides a pneumatic tire provided with a carcass (4) formed of one or more sheets of carcass plies, which is constituted by coating a plurality of reinforcing cords arranged in parallel with each other with a coating rubb...
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WO/2008/009304 |
Tire comprising at least one structural element including a crosslinked elastomeric material obtained by crosslinking a crosslinkable elastomeric compositon comprising: (a) 100 phr of at least one elastomeric polymer; (b) from 0.1 phr to...
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WO/2008/007562 |
A rubber composition for bead apex comprising a diene rubber, a phenolic resin and/or modified phenolic resin, sulfur, hexamethylenetetramine, a vulcanization accelerator and at least one vulcanization accelerator auxiliary selected from...
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WO/2008/004675 |
Disclosed is a rubber composition which is improved in low fuel consumption property and reinforcing property with fillers, while maintaining wear resistance and DRY performance. The rubber composition also exhibits excellent on-ice perf...
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WO/2008/004676 |
Disclosed is a rubber composition having excellent on-ice performance, which is improved in reinforcing property with fillers, while maintaining DRY performance. Also disclosed is a pneumatic tire which uses such a rubber composition for...
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WO/2008/004686 |
A diene rubber is modified for increasing the dispersibility of silica and improving wear resistance and resistance to heat generation. Specifically disclosed is a modified diene rubber which is obtained by adding a compound (B) having a...
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WO/2008/004998 |
A fluid barrier composition useful in industrial articles such as motor vehicle and aircraft tire innerliners and innertubes, tire curing bladders and hoses prepared from a mixture comprising: (A) about 30 to about 80 weight percent of a...
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WO/2008/003411 |
The invention relates to layer-type vulcanized products. At least one of the layers is made of a hydrogenated vinyl polybutadiene while the other layers are preferably made of rubbers containing double bonds.
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WO/2008/003435 |
Rubber composition based on at least one dienic elastomer, a polymeric filler as reinforcing filler, and a coupling agent ensuring bonding between the polymeric filler and the elastomer, said composition being characterized in that said ...
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WO/2008/002744 |
The present invention relates to an aqueous hydrophilic coating composition and method for treating various hard surfaces including, but not limited to, rubber metal, glass, plastic, vinyl, ceramic, stone, or various other painted surfac...
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