Abstract: A pneumatic tire (1) includes: a tread portion (2) including a land portion (24) divided by a plurality of main grooves (22) formed on a tread surface (21); an inner liner (7) constituting a tire inner surface (7A) on an inner side of the tread portion (2); and a mount member (10) which is provided on the tire inner surface (7A), and to which electric equipment can be attached. In the pneumatic tire (1), acetone extraction amount (AE2) of a rubber composition constituting the inner liner (7) is larger than acetone extraction amount AE1 of a rubber composition constituting the mount member (10).

Abstract: Provided is a tire in which cracks do not occur in the tire inner member during high-speed running and the occurrence of tire air leakage and detachment of electronic component mounting members is suppressed. A tire in which an electronic component mounting member for a built-in electronic component is mounted on the surface of a tire inner member, wherein the electronic component mounting member has an electronic component storage portion for storing an electronic component and a joint portion equipped with a joint surface for mounting the electronic component mounting member on the surface of the tire inner member, and the acetone extraction weight AEr (mass %) of the electronic component mounting member and the acetone extraction weight AEi (mass %) of the tire inner member satisfy (formula 1).

Abstract: A pneumatic tire (1) includes: a tread portion (2) including a land portion (24) divided by a plurality of main grooves (22) formed on a tread surface (21); an inner liner (7) constituting a tire inner surface (7A) on an inner side of the tread portion (2); and a mount member (10) which is provided on the tire inner surface (7A), and to which electric equipment can be attached. In the pneumatic tire (1), Complex elastic modulus E*1 of a rubber composition constituting the mount member (10) is larger than complex elastic modulus E*2 of a rubber composition constituting the inner liner (7).

Abstract: A plasma treatment apparatus has a dielectric with an inner cavity and having a cylindrical shape, a coiled inner electrode positioned on the inner peripheral surface side of the dielectric and wound along the axial direction, an outer electrode positioned on the outer peripheral surface side of the dielectric and applying an AC voltage between the outer electrode and the inner electrode, and a gas supply part supplying to the inner cavity a gas to generate plasma by applying the AC voltage.

Abstract: To provide a multilayer tubular molded body, which has high chemical resistance and heat resistance and excellent adhesive strength, and a method for producing the same, a multilayer tubular molded body 1 has an inner layer 2 containing a polyolefin as a main component, an outer layer 3 containing polyvinyl chloride as a main component, and an interlayer 4, which is provided between the inner layer 2 and the outer layer 3, has a function to attach the inner layer 2 and the outer layer 3, and contains a first polyolefin having an aromatic ring on a side chain and a second polyolefin having an ester containing group on a side chain.

Abstract: Provided is a run flat tire comprising a side reinforcing layer on a sidewall part, wherein a rubber composition of the side reinforcing layer has a complex elastic modulus at 100° C. (E*100) of 5.0 to 17 MPa and a loss tangent at 60° C. (60° C. tan ?) of 0.020 to 0.100 MPa, and wherein, where a tire cross-sectional width is defined as Wt (mm) and a tire outer diameter is defined as Dt (mm), Wt and Dt satisfy any of the following inequality (1), (2), and (3): Wt<225 and Dt?59.078×Wt{circumflex over (?)}0.460??(1) 225?Wt<235 and Dt?59.078×Wt{circumflex over (?)}0.620?967.673??(2) 235?Wt and Dt?Wt{circumflex over (?)}0.

Abstract: Provided is a run-flat tire having improved durability performance during travel while the tire is running flat. A surface section of a sidewall of the run-flat tire is provided with an uneven section. A sidewall reinforcement layer is configured such that a breaking strength TB (MPa) at 100° C.×an elongation at break EB (%) is 320 or more and a loss tangent 100° C. tan ? at 100° C. is 0.06 or less, and the sidewall is configured such that a loss tangent 60° C. tan ? at 60° C. is 0.17 or less and |60° C. tan ??75° C. tan ?| is less than 0.05.