A rubber composition is provided. The rubber roller including a roller body formed of a porous body formed by foaming and crosslinking the rubber composition and an image forming device including the rubber roller are also provided. In the rubber composition, fine porous particles of at least one type selected from a group consisting of zeolite, activated carbon, and diatomite along with a crosslinking component and a foaming component are mixed into a rubber that contains at least one type selected from a group consisting of diene-based rubbers and ethylene propylene-based rubbers and an ion-conductive rubber. A rubber roller includes a roller body that is formed by cylindrically extrusion-molding and crosslinking the rubber composition. An image forming device has the rubber roller 1 assembled thereinto.

Provided is a rubber member that can, when used in a rubber article such as a tire, improve the on-ice performance of the rubber article. A rubber member comprises a nanomaterial, wherein the nanomaterial has a major axis of less than 100 nm in the case of being non-fibrous or a minor axis length of less than 100 nm and a major axis length of less than 1000 nm in the case of being fibrous, and has a content of a polar group of 100 mg/kg or more.

A method for producing a thermoplastic moulding compound by means of an extruder (10), which comprises at least one feed zone (20), at least one mixing section (30), at least one venting section (40) and at least one discharge zone (50), wherein in the at least one feed zone (20) a water-containing first component and a second component are supplied, in the at least one mixing section (30) the thermoplastic moulding compound is mixed and contained water is evaporated, in the at least one venting section (40) water vapour is removed from the moulding compound and in the at least one discharge zone (50) the moulding compound is discharged. At least one of the mixing housings (31, 32) is kept at a temperature that is equal to or lower than the temperature of the moulding compound within the mixing section (30).

The present invention relates to the field of vulcanization of unsaturated polymers, in particular halogenated, and more particularly chlorinated, unsaturated polymers, such as, for example, polychloroprene, using as vulcanization agent a mixture of bis(2,5-dimercapto-1,3,4-thiadiazole) and at least one organic base. The present invention relates to the process for vulcanization of said polymers with said vulcanization mixture.

The present invention provides a liquid antioxidant composition used for raw rubbers comprising 5% to 30% by weight of at least one aromatic amine-based antioxidant agent, 20% to 70% by weight of at least one hindered phenol-based antioxidant agent, 0% to 40% by weight of at least one phosphite-based antioxidant agent; and 20% to 40% by weight of at least one solvent having boiling point higher than 185 C. and freezing point lower than 10 C. under 101.325 KPa, the weight percentage of component a), b), c) or d) is based on the total weight of antioxidant composition, wherein the mixture of component a), b) and c) is liquid at 25 C. under 101.325 KPa. The present invention also provides a liquid antioxidant composition comprising 5% to 20% by weight of solid aromatic amine-based antioxidant agent, 20% to 50% by weight of solid hindered phenol-based antioxidant agent, 0% to 30% by weight of solid phosphite-based antioxidant agent and 30% to 40% by weight of solvent having boiling point higher than 185 C. and freezing point lower than 10 C. under 101.325 KPa. The weight percentage is based on the total weight of antioxidant composition. The present invention further provides an application of said liquid antioxidant composition in raw rubbers such as natural rubber and raw rubbers synthesized via solution polymerization.

A rubber composition in which a transfer roller with lower resistance than in the related art is able to be formed without increasing a blending ratio of epichlorohydrin rubber, a transfer roller including the rubber composition, and an image forming apparatus having the transfer roller incorporated therein are provided. The rubber composition is obtained by blending rubbers including at least one of NBR, SBR, and BR and epichlorohydrin rubber with a crosslinking component, a foaming component, and 3 to 50 parts by mass aluminum silicate with respect to 100 parts by mass of the total amount of rubbers. A transfer roller includes a roller main body formed by extrusion-molding the rubber composition in a tubular shape and foaming and crosslinking the rubber composition. The image forming apparatus includes the transfer roller incorporated therein.

An object of the present invention is to provide a novel sulfur-based positive electrode active material for a lithium-ion secondary battery which is excellent in cyclability and can largely improve a charging and discharging capacity, a positive electrode comprising the positive electrode active material and a lithium-ion secondary battery made using the positive electrode. The sulfur-based positive electrode active material is obtainable by subjecting a starting material comprising a polymer, sulfur and an organometallic compound dispersed in a form of fine particles to heat-treatment under a non-oxidizing atmosphere, wherein the particles of metallic sulfide resulting from sulfurization of the organometallic compound are dispersed in the heat-treated material, and particle size of the metallic sulfide particles is not less than 10 nm and less than 100 nm.

Disclosed are thermoset/thermoplastic composites that include a thermoset component directly or indirectly bonded to a thermoplastic component via a crosslinked binding layer between the two. The crosslinked binding layer is bonded to the thermoplastic component via epoxy linkages and is either directly or indirectly bonded to the thermoset component via epoxy linkages. The composite can be a laminate and can provide a route for addition of a thermoplastic implant to a thermoset structure.

Methods for treating a cured inner liner as well as treated, cured inner liners resulting from such methods are disclosed. Also disclosed are tires containing the treated inner liners. The methods include treatment of the lower surface of inner liner surface with a rubber-containing liquid to produce a rubber-containing film thereupon.

Disclosed is a film based on a composition including at least one polymer and at least one plasticizer, the composition having a calculated Tg ranging from 35 C. to 40 C., preferably from 20 C. to 10 C., the film presenting a rebound resilience according to Test A less than 15%, preferably less than 10%; to a process for its manufacturing and to its uses; it also relates to an element incorporating the film and uses thereof.