C08K5/18

Modified conjugated diene-based polymer and rubber composition including the same

A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. In some embodiments, the modified conjugated diene-based polymer includes a modified monomer-derived functional group represented by Formula 1, and an aminoalkoxysilane-based modifier-derived functional group at least one end thereof, wherein the polymer having a unimodal molecular weight distribution, and a polydispersity index (PDI) of 1.0 or more to less than 1.7. The polymer has a narrow and unimodal molecular weight distribution, and has excellent tensile properties and viscoelastic properties while having excellent processability.

Modified conjugated diene-based polymer and rubber composition including the same

A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. In some embodiments, the modified conjugated diene-based polymer includes a modified monomer-derived functional group represented by Formula 1, and an aminoalkoxysilane-based modifier-derived functional group at least one end thereof, wherein the polymer having a unimodal molecular weight distribution, and a polydispersity index (PDI) of 1.0 or more to less than 1.7. The polymer has a narrow and unimodal molecular weight distribution, and has excellent tensile properties and viscoelastic properties while having excellent processability.

Stabilising Composition
20230015239 · 2023-01-19 ·

The invention concerns a stabilising composition, comprising: at least one antioxidant comprising one or more of: a phenolic antioxidant, a phosphite antioxidant, a sulphur-containing antioxidant, and an aminic antioxidant; and at least one buffering agent, wherein the buffering agent has the capacity to buffer in aqueous solution at a pH range from 4 to 8.

FUNCTIONAL ETHYLENE AND 1,3-DIENE COPOLYMERS
20230013682 · 2023-01-19 ·

The invention relates to a copolymer of ethylene and of a 1,3-diene of formula CH.sub.2═CR—CH═CH.sub.2, which copolymer bears an amine function, the symbol R representing a hydrocarbon chain having from 3 to 20 carbon atoms. Such a copolymer improves the compromise between the content of ethylene in the polymer, its crystallinity and the stiffness of a rubber composition containing it.

FUNCTIONAL ETHYLENE AND 1,3-DIENE COPOLYMERS
20230013682 · 2023-01-19 ·

The invention relates to a copolymer of ethylene and of a 1,3-diene of formula CH.sub.2═CR—CH═CH.sub.2, which copolymer bears an amine function, the symbol R representing a hydrocarbon chain having from 3 to 20 carbon atoms. Such a copolymer improves the compromise between the content of ethylene in the polymer, its crystallinity and the stiffness of a rubber composition containing it.

Composition including polymer, interlayer prepared from the composition, and device comprising the same

A composition, an interlayer manufactured therefrom, and an apparatus including the interlayer are provided. The composition includes a polymer compound represented by Formula 1, a non-arylamine-based compound represented by Formula 2, and a solvent: ##STR00001##
Z.sub.o.  <Formula 2> The substituents in Formulae 1 and 2 may be understood as described in connection with the detailed description.

Composition including polymer, interlayer prepared from the composition, and device comprising the same

A composition, an interlayer manufactured therefrom, and an apparatus including the interlayer are provided. The composition includes a polymer compound represented by Formula 1, a non-arylamine-based compound represented by Formula 2, and a solvent: ##STR00001##
Z.sub.o.  <Formula 2> The substituents in Formulae 1 and 2 may be understood as described in connection with the detailed description.

Tire with an outer sidewall composed of at least a diene elastomer and wax mixture

A tire has an outer sidewall, said outer sidewall comprising a rubber composition based on at least one or more diene elastomers, an anti-ozone wax in a content of greater than 8 phr, a reinforcing filler in a content of between 30 and 75 phr, a plasticizer that is liquid at 23° C. in a content of between 5 and 40 phr, and a crosslinking system. This composition has the advantage of being highly resistant to external physical attacks.

Tire with an outer sidewall composed of at least a diene elastomer and wax mixture

A tire has an outer sidewall, said outer sidewall comprising a rubber composition based on at least one or more diene elastomers, an anti-ozone wax in a content of greater than 8 phr, a reinforcing filler in a content of between 30 and 75 phr, a plasticizer that is liquid at 23° C. in a content of between 5 and 40 phr, and a crosslinking system. This composition has the advantage of being highly resistant to external physical attacks.

POLYAMIDE RESIN, POLYAMIDE RESIN COMPOSITION, AND MOLDED ARTICLE
20230220160 · 2023-07-13 ·

Provided are a polyamide resin having high crystallinity, a high glass transition temperature, and a low mass loss rate, and a polyamide resin composition and a molded article in which the polyamide resin is used. The polyamide resin includes a diamine-derived structural unit and a dicarboxylic acid-derived structural unit, in which 50 mol % or more of the diamine-derived structural units are structural unit derived from p-benzenediethanamine, and of the dicarboxylic acid-derived structural units, from not less than 20 mol % to less than 95 mol % are structural units derived from an aromatic dicarboxylic acid and from more than 5 mol % to not more than 80 mol % are structural units derived from an α,ω-linear aliphatic dicarboxylic acid having from 4 to 15 carbons.