Provided is a pneumatic tire that has excellent fuel efficiency and rubber strength and combines high load capacity and space saving. A pneumatic tire mounted on a vehicle, comprises: a tread configured to come into contact with a road surface; and a belt layer located on an inner side of the tread in a tire radial direction, wherein an outer diameter of the pneumatic tire is 350 mm or more and 600 mm or less, the following relationship:

0.78≤RW/SW≤0.88 is satisfied, where RW is a rim width of a rim wheel to be attached to the pneumatic tire and SW is a tire section width of the pneumatic tire, and a rubber composition that contains: a rubber component containing a diene-based rubber; and a mercaptocarboxylic acid compound is used in the pneumatic tire.

Provided is a pneumatic tire that has excellent fuel efficiency and rubber strength and combines high load capacity and space saving. A pneumatic tire mounted on a vehicle, comprises: a tread configured to come into contact with a road surface; and a belt layer located on an inner side of the tread in a tire radial direction, wherein an outer diameter of the pneumatic tire is 350 mm or more and 600 mm or less, the following relationship:

0.78≤RW/SW≤0.88 is satisfied, where RW is a rim width of a rim wheel to be attached to the pneumatic tire and SW is a tire section width of the pneumatic tire, and a rubber composition that contains: a rubber component containing a diene-based rubber; and a mercaptocarboxylic acid compound is used in the pneumatic tire.

The invention provides a stabilising composition for a polyol and/or a polyurethane, comprising: a) a first derivatised phenolic antioxidant having a molecular weight of at least about 400 g/mol and a melting point of less than about 100° C.; b) a second derivatised phenolic antioxidant having lower steric hindrance than the first derivatised phenolic antioxidant, which is a solid at ambient conditions; and c) a secondary antioxidant comprising a phosphite and/or a thioester,
and also disclosed is a fire retardant blend comprising the stabilising composition and a fire retardant.

The invention provides a stabilising composition for a polyol and/or a polyurethane, comprising: a) a first derivatised phenolic antioxidant having a molecular weight of at least about 400 g/mol and a melting point of less than about 100° C.; b) a second derivatised phenolic antioxidant having lower steric hindrance than the first derivatised phenolic antioxidant, which is a solid at ambient conditions; and c) a secondary antioxidant comprising a phosphite and/or a thioester,
and also disclosed is a fire retardant blend comprising the stabilising composition and a fire retardant.

Polymer compositions containing an ethylene polymer, 50-1500 ppm by weight of a glycerol stearate, and 250-7500 ppm by weight of an antioxidant selected from a phenolic antioxidant, a phosphite antioxidant, a thioester antioxidant, or any combination thereof, are described. These polymer compositions have improved initial color, improved color after long-term aging, or improved color after multi-pass extrusion processing.

Polymer compositions containing an ethylene polymer, 50-1500 ppm by weight of a glycerol stearate, and 250-7500 ppm by weight of an antioxidant selected from a phenolic antioxidant, a phosphite antioxidant, a thioester antioxidant, or any combination thereof, are described. These polymer compositions have improved initial color, improved color after long-term aging, or improved color after multi-pass extrusion processing.

Polymer compositions containing an ethylene polymer, 50-1500 ppm by weight of a glycerol stearate, and 250-7500 ppm by weight of an antioxidant selected from a phenolic antioxidant, a phosphite antioxidant, a thioester antioxidant, or any combination thereof, are described. These polymer compositions have improved initial color, improved color after long-term aging, or improved color after multi-pass extrusion processing.

A method for producing a latex composition, the method comprising a provision step of providing a conjugated diene polymer latex; and a preparation step of adding a sulfur-based vulcanizing agent, a xanthogen compound, and a strong acid salt-based surfactant to the conjugated diene polymer latex to prepare a latex composition.

A method for producing a latex composition, the method comprising a provision step of providing a conjugated diene polymer latex; and a preparation step of adding a sulfur-based vulcanizing agent, a xanthogen compound, and a strong acid salt-based surfactant to the conjugated diene polymer latex to prepare a latex composition.

A latex composition includes a sulfur-based vulcanizing agent and a xanthogen compound mixed with a conjugated diene polymer latex, the aqueous dispersion of a sulfur-based vulcanizing agent being a dispersion in which the sulfur-based vulcanizing agent is dispersed in water using an anionic surfactant.