The present invention provides a tire rubber composition prepared by mixing at least one rubber component selected from natural rubbers and synthetic diene rubbers (A), a filler including an inorganic filler (B), a silane coupling agent (C) and a thiosemicarbazone derivative (D), and provides a production method for a tire rubber composition, wherein the tire rubber composition is kneaded in plural stages, and in the first stage of kneading, the rubber component (A), all or part of the inorganic filler (B), all or part of the silane coupling agent (C), and the thiosemicarbazone derivative (D) are kneaded, therefore providing a tire rubber composition having improved reactivity between the coupling agent and the rubber component and excellent in low-heat-generation property and a production method for the composition.

The present invention provides a tire rubber composition prepared by mixing at least one rubber component selected from natural rubbers and synthetic diene rubbers (A), a filler including an inorganic filler (B), a silane coupling agent (C) and a thiosemicarbazone derivative (D), and provides a production method for a tire rubber composition, wherein the tire rubber composition is kneaded in plural stages, and in the first stage of kneading, the rubber component (A), all or part of the inorganic filler (B), all or part of the silane coupling agent (C), and the thiosemicarbazone derivative (D) are kneaded, therefore providing a tire rubber composition having improved reactivity between the coupling agent and the rubber component and excellent in low-heat-generation property and a production method for the composition.

This invention discloses a linear polarizing layer, a circular polarizing layer, a flexible display apparatus, and preparation methods thereof. The preparation method of a linear polarizing layer according to this invention comprises the steps of: coating a polarizing film precursor material on a flexible base material, wherein the polarizing film precursor material comprises a polarizing material capable of being oriented under a field effect; orientating the polarizing film precursor material in a manner of field induction to allow the direction of orientation thereof to be vertical to the direction of a bending axis of the flexible base material; and curing the polarizing film precursor material to form a linear polarizing layer on the flexible base material.

Fluoroelastomer compositions comprising fluoroelastomers having copolymerized units of a nitrile-containing cure site monomer are cured with certain hydrazone or oxime curatives.

Fluoroelastomer compositions comprising fluoroelastomers having copolymerized units of a nitrile-containing cure site monomer are cured with certain hydrazone or oxime curatives.

Fluoroelastomer compositions comprising fluoroelastomers having copolymerized units of a nitrile-containing cure site monomer are cured with certain hydrazone or oxime curatives.

The invention pertains to a (per)fluoroelastomer composition comprising: a (per)fluoroelastomer [fluoroelastomer (A)]; and at least one (per)fluoropolyether additive [polymer (E)] comprising a (per)fluoropolyether chain comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and comprising at least one chain end comprising at least one per(halo)fluorinated aromatic group [group (AO], said polymer (E) being comprised in the composition in an amount of 0.5 to 30 phr, with respect to fluoroelastomer (A).

The invention pertains to a (per)fluoroelastomer composition comprising: a (per)fluoroelastomer [fluoroelastomer (A)]; and at least one (per)fluoropolyether additive [polymer (E)] comprising a (per)fluoropolyether chain comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, and comprising at least one chain end comprising at least one per(halo)fluorinated aromatic group [group (AO], said polymer (E) being comprised in the composition in an amount of 0.5 to 30 phr, with respect to fluoroelastomer (A).

Disclosed are a colored TPU foam material, a preparation method and a use thereof, as we as a method for preparing a shaped body, a sheet and a shoe material by using same. The colored TPU foam material is composed of colored foam particles or colored foam sheets; the concentration of a pigment in the colored foam particles or the colored foam sheets is 0.01-5 wt %; the pigment has the same concentration inside and outside the colored TPU foam material, and the colored TPU foam material has a hardness of shore A 5-65, a density of 0.05-0.5 g/cm.sup.3, and an average cell size of less than 100 m. The present invention has features such as a good internal and external color uniformity, no wrinkles being present on the surface, etc.

Disclosed are a colored TPU foam material, a preparation method and a use thereof, as we as a method for preparing a shaped body, a sheet and a shoe material by using same. The colored TPU foam material is composed of colored foam particles or colored foam sheets; the concentration of a pigment in the colored foam particles or the colored foam sheets is 0.01-5 wt %; the pigment has the same concentration inside and outside the colored TPU foam material, and the colored TPU foam material has a hardness of shore A 5-65, a density of 0.05-0.5 g/cm.sup.3, and an average cell size of less than 100 m. The present invention has features such as a good internal and external color uniformity, no wrinkles being present on the surface, etc.