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WO/2024/079057A1 |
The invention relates to a urea masterbatch comprising at least one elastomer, an organic or inorganic filler, water and a urea compound of general formula (R1, R2)N-CO-[(NR5)-R6-(NR7)-CO]n-N(R3, R4) wherein each radical R1, R2, R3 and R...
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WO/2024/074401A1 |
The present invention relates to a rubber composition based on at least one diene elastomer, a reinforcing filler containing pyrolysis carbon black, a cross-linking system, between 1 and 30 phr of an epoxy resin and between 0.5 and 15 ph...
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WO/2024/074787A1 |
The present invention relates to a tyre (10) comprising a rubber composition in the beads or in the tread, which composition is based on: - an elastomer matrix comprising predominantly, by weight, natural rubber; - at least 65 phr of rei...
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WO/2024/074784A1 |
The present invention relates to a tyre comprising two beads, wherein at least one of the beads comprises a rubber composition based on: - at least one elastomer; - from 60 to 100 phr of reinforcing fillers, including from 15 to 70 phr o...
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WO/2024/074785A1 |
The present invention relates to pneumatic tyres and more particularly to the outer sidewalls of tyres, i.e. by definition, to the elastomeric layers located radially on the outside of the tyre which are in contact with the ambient air.
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WO/2024/075656A1 |
Provided is a resin composition comprising: a vinyl chloride-based resin; and a plurality of particles having a glass transition point or a melting point greater than the glass transition point of the vinyl chloride-based resin. The plur...
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WO/2024/071407A1 |
[Problem] To provide a silane compound from which a rubber composition which exhibits an excellent balance between viscoelasticity and wear resistance can be obtained. [Solution] A silane compound according to the present invention is re...
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WO/2024/066135A1 |
A preparation method for an HTRB polymer composite rubber sole, the preparation method comprising the following steps: S1, grinding a vulcanized and molded rubber block into a rubber powder; S2, weighing, in parts by weight, 50-60 parts ...
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WO/2024/068922A1 |
Wiper blade for a windscreen wiper frame, wherein at least part of said blade comprises a material on the basis of (i) an elastomer containing natural rubber and ethylene-propylene-diene monomer (EPDM), vulcanized with peroxide, and (ii)...
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WO/2024/070779A1 |
The purpose of the present invention is to provide a PET fiber-rubber composite that achieves excellent strength and excellent low rolling resistance when applied to a tire, without increasing the total fineness of cords or sheet thickne...
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WO/2024/061218A1 |
An organic polysulfide and preparation method and use thereof. The preparation method comprises the following steps: S1: adding metal hydroxide solution into a reactor, adding sulfur to react, and lowering the temperature at the end of t...
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WO/2024/063027A1 |
The present invention addresses the problem of providing: a crosslinked rubber in which the amount of metal oxide is reduced while also suppressing vulcanization reversion due to over-vulcanization; and a tire using said crosslinked rubb...
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WO/2024/043311A1 |
In an embodiment there is provided a rubber composition comprising cellulose nanofiber and a branched conjugated diene polymer for which a shrinkage factor (g') determined by a GPC-light scattering measurement is at least 0.72, the conte...
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WO/2024/043312A1 |
The present invention provides a master batch for rubber modification, the master batch containing a rubber component and cellulose nanofibers in such a manner that the cellulose nanofibers are well dispersed in the rubber, and the maste...
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WO/2024/038878A1 |
[Problem] To provide a rubber composition which enables a tire to have excellent wear resistance, wet grip performance and on-ice performance. [Solution] A rubber composition according to the present invention is characterized by contain...
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WO/2024/038812A1 |
Provided is a tire rubber composition which is excellent in terms of wear resistance, wet performance, and low rolling resistance, for which the low rolling resistance has little temperature dependence, and which is excellent in terms of...
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WO/2024/038876A1 |
[Problem] To provide a rubber composition that improves the wear resistance of a tire and that has excellent wet grip or excellent cut and chip resistance. [Solution] The rubber composition according to the present invention contains a r...
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WO/2024/019613A1 |
The present invention relates to a rubber compound mixture comprising a matrix of a non-vulcanized rubber including micronized rubber powders and one or more auxiliaries. The present invention also relates a method for preparing such a r...
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WO/2024/017445A1 |
A cross-linkable rubber mixture containing: a) at least one synthetic diene rubber, the styrene content of the rubber or rubbers - in relation to the total amount of rubber - being 0% to 13%, b) a filler, c) a poly- or oligomer having a ...
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WO/2024/013246A1 |
The present invention generally relates to elastomer compositions comprising at least one sp2 hybridized carbon allotrope and a 2,5- disubstituted pyrrole derivative, preferably provided as a pre-formed adduct, the process for their prep...
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WO/2024/014114A1 |
Provided is a rubber composition capable of producing a coating material and an adhesive having excellent drying properties. More specifically, this rubber composition contains a diene-based rubber and a metallic soap. The metallic soap ...
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WO/2024/007610A1 |
The present invention relates to the technical field of rubber materials, and relates to a self-lubricating high-durability natural rubber material and a preparation method therefor. The self-lubricating high-durability natural rubber ma...
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WO/2024/009793A1 |
This conjugated diene polymer has an entanglement molecular weight of 2400 g/mol to 3000 g/mol, a Mooney viscosity measured at 100°C of 40 or higher, a Mooney stress relaxation (MSR) of 0.8 or higher, and a vinyl aromatic monomer unit c...
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WO/2024/003415A1 |
The invention relates to a sealed porous support comprising at least one surface, said surface being covered with a first layer comprising natural latex and a second layer comprising a natural or synthetic wax, the first layer being in c...
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WO/2024/003414A1 |
The invention relates to a composition comprising natural latex and a natural or synthetic wax, the proportion of the natural latex to the natural or synthetic wax being 40:60 to 60:40 by weight. The invention also relates to the use of ...
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WO/2024/004854A1 |
Provided are an anti-vibration rubber composition and an anti-vibration rubber member, which can suppress a decrease in durability while improving resistance to vulcanization reversion. The anti-vibration rubber composition contains co...
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WO/2023/247405A1 |
The invention relates to a rubber composition having improved tear strength. This composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, the symbol R representing a ...
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WO/2023/247401A1 |
The invention relates to a rubber composition having improved tear strength. This composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, the symbol R representing a ...
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WO/2023/247406A1 |
The invention relates to a rubber composition exhibiting improved tear strength. This composition is based on 20 to 50 phr of copolymer containing ethylene units and 1,3-diene units, the ethylene units in the copolymer representing betwe...
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WO/2023/249998A1 |
Carbon black for use in elastomeric compositions for tires and other elastomeric goods. Improvements in carbon blacks are needed in the areas of material modulus, tear strength, and dynamic heat buildup. These needs and other needs are s...
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WO/2023/247403A1 |
The invention relates to a rubber composition having improved tear strength. Said composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, where R represents a hydroca...
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WO/2023/247399A1 |
The invention relates to a rubber composition having improved tear strength. This composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, the symbol R representing a ...
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WO/2023/247404A1 |
The invention relates to a rubber composition having improved tear strength. Said composition is based on 20 to 50 phr of copolymer containing ethylene units and units of a 1,3-diene of formula CH2=CR-CH=CH2, where R represents a hydroca...
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WO/2023/242326A1 |
The present invention relates to a process for preparing a rubber composition comprising polymerizing glycerol mono-methacrylate, crosslinking the obtained poly(glycerol mono-methacrylate) with borax to form a poly(glycerol mono- methacr...
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WO/2023/241726A1 |
Provided in the present application are a lateral supporting rubber for a run-flat tire, and a run-flat tire and a detection method. The modulus loss rate of the lateral supporting rubber for a run-flat tire is |1-G'2/G'1| ≤ 6％, wher...
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WO/2023/241196A1 |
A method for preparing graphene/natural rubber with simultaneously improved mechanical property, heat conduction and wear resistance, comprising: forming graphene oxide loaded with nano silicon dioxide by means of electrostatic interacti...
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WO/2023/240068A1 |
Graphene is an allotrope or one of the several physical forms of carbon, other examples being graphite, fullerenes, and diamond. At the atomic level, it is in the form a sheet with a thickness nominally under 1.0 nanometer and up to 1 mi...
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WO/2023/228463A1 |
The purpose of the present invention is to provide a method for producing a rubber composition, the method enabling the achievement of a rubber composition which exhibits improved dispersibility of a filler, while having low loss tangent...
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WO/2023/230505A1 |
A method for improving processing speed, dimensional stability, and physical properties in extruded elastomers is herein disclosed, including the steps of mixing natural rubber with pristine graphene, the pristine graphene acting as a nu...
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WO/2023/223593A1 |
The present invention provides a rubber composition for rim cushions, the rubber composition being improved in terms of low possibility of heat generation, while maintaining good hardness, elongation at break and wear resistance and achi...
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WO/2023/218678A1 |
Provided are a rubber article which can have both highly reduced heat buildup properties and excellent cut resistance and a tire including the rubber article. The rubber article is a vulcanizate of a rubber composition comprising a rubbe...
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WO/2023/211266A1 |
In an aspect of the present invention, there is provided a palm kernel oil-based alkyd that comprises a palm kernel oil, glycerol, a hydrophilic trifunctional neopentyl monomer and an octyl-decyl alcohol mixture. In another aspect of the...
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WO/2023/209588A1 |
The present invention relates to a tyre for vehicle wheels comprising at least one structural component comprising a vulcanised elastomeric compound obtained by vulcanising a vulcanisable elastomeric compound made by mixing an elastomeri...
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WO/2023/209587A1 |
The present invention relates to a tyre for vehicle wheels comprising at least one structural component comprising a vulcanised elastomeric compound obtained by vulcanising a vulcanisable elastomeric compound made by mixing an elastomeri...
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WO/2023/202915A1 |
The invention relates to an elastomer matrix comprising - a triblock thermoplastic elastomer which has a central diene elastomer block and two end thermoplastic blocks comprising α-methylstyrene units bonded to the diene elastomer block...
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WO/2023/199974A1 |
The purpose of the present invention is to provide a rubber composition such as a rubber composition used in a tire, wherein when carbon black and silica are blended with NR, it is possible to achieve a balance between improving reinforc...
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WO/2023/193076A1 |
The present invention describes nanomaterials based on nanocellulose, and a method of incorporating same into composites. More specifically, the present invention comprises nanocellulose functionalisaiton methods that promote better disp...
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WO/2023/194410A1 |
The present invention relates to a tread of a tyre having a tread pattern with a longtotal index (As) equal to or less than 17; said tread being characterized in that it is made up of a rubber composition comprising: (a) a crosslinkable ...
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WO/2023/189388A1 |
Provided is a rubber composition for heavy-duty tires which comprises: a conjugated diene polymer having a glass transition temperature (Tg) of -60°C or lower and having a functional group capable of interacting with silica; and silica.
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WO/2023/190825A1 |
The present invention provides a sealing device (1) that is disposed between two members (2, 3) facing each other, and that seals a space between the two members (2, 3). The sealing device (1) includes a seal body part (11) that is in co...
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