rubber (Total 108691 Patents Found)

Bales of unvulcanized rubber, vulcanized rubber or compounding ingredients for unvulcanized rubber are packaged in film or bags made from syndiotactic 1,2-polybutadiene (1,2-SBD) containing at least one antiblock agent additive and at least one slip agent additive. Coextrusion can be used to manufacture bags or film ha...
Natural rubber contains a viscosity stabilizer for the natural rubber, and the viscosity stabilizer includes a hydrazide compound of the following general formula, R--CONHNH.sub.2 wherein R is an alkyl group having 1 to 5 carbon atoms or a cycloalkyl group having 3 to 5 carbon atoms. As a resu...
A composition for tread rubber of tires containing a synthetic isoprene rubber having a 3,4-bonding content of at least 15% by mole and an intrinsic viscosity of at least 2.0 in toluene at 30° C. The composition can provide a rubber having an improved frictional characteristic on wet road with an excellent rolling res...
A molded rubber pin chute for mounting on the pin deck of an automatic bowling pinsetter. The pin chute comprises an upper conical section which is canted with respect to the pin deck, a cylindrical lower body portion which extends into a pin receiving aperture in the pin deck, and a flange around the cylindrical body....
A method for molding rubber articles having a transparent coating thereon which includes coating the outer surface of an uncured rubber article with an aqueous composition containing a preformed latex binder, an emulsifying agent, an inorganic fluoro-containing compound having a refractive index of from 1.32 to 1.49 an...
A semi-conductor device including a housing for a semi-conductor body of the field-effect type having an insulating gate electrodes and electric conductors which emerge from the housing and are located in a circle. The conductors are surrounded by a closed, flexible ring of an electrically conductive rubber material su...
In the coating of rubber surfaces with adherent slip coatings the need for release agents is avoided by selecting as the slip coating a synthetic polymer latex composition consisting essentially of about 5 to 95% by weight of a film-forming, non-elastomeric synthetic polymer component (1) having an elongation of at lea...
The present invention is a floor mat made from a rubber composite, the composite having a foam rubber core positioned between dense rubber layers. Protrusions or cleats, which are produced during the vulcanization process, extend outwardly from the lower surface of the mat. The present mat offers mat users desirable an...
A rubber composition comprising (1) a diene rubber, (2) a highly saturated rubber, and (3) a block copolymer that comprises a diene polymer block A and a hydrogenated diene polymer block B and has a primary structure selected from the following structures: (A-B) X , (A-B) X -A, and B-(A-B) X (wherein X ...
A vibration damping device having a rubber heat-insulating cover wherein the rubber heat-insulating cover is formed as a separate component from a stopper member and is disposed between the stopper member and a main rubber elastic body connecting a first and second mounting member. The rubber heat-insulating cover is f...
Provided are a rubber composition in which a component having a vulcanization scorching property which has so far exerted an adverse effect is reduced to display the physical properties of a natural rubber at maximum and in which blended is a rubber component-containing coagulated matter containing a serum (serum compo...
The invention relates to a rubber mixture, in particular for vehicle air-inflated tires, seat belts, belts and hoses. The rubber mixture is characterized by the following composition: at least one polar or non-polar rubber and at least one bright and/or dark filler and at least one softener, wherein the softener...
Coupling agents useful for preparing vulcanized composition with filers such as silica and carbon black are provided. The coupling agents include fluorine substituted styrene compounds and styrene compounds containing a hydrocarbyloxysilane functional group. The coupling agents may be grafted onto polydiene polymers or...