| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 521089000 | Ingredient contains a sulfur atom | 14 |
| 20080207786 | Ethylene-propylene-diene rubber foamed material - The present invention provides an ethylene-propylene-diene rubber foamed material obtained by foaming a rubber composition containing an ethylene-propylene-diene rubber, a quinoid cross-linking agent, and an organic peroxide cross-linking agent. | 08-28-2008 |
| 20090062411 | HIGH STRENGTH ADHESIVES WITH IMPACT PEEL STRENGTH - A single-component high-temperature-curing reactive composition based on natural and/or synthetic elastomers having olefinic double bonds and on vulcanizing agents is provided. Such compositions contain at least one liquid polyene with a molecular weight between 400 and 80,000, preferably between 800 and 25,000; at least one block copolymer with at least one polyene block and at least one saturated block; and a vulcanizing system of sulfur and accelerators and/or quinone oximes, if applicable. Such high-temperature-curing reactive compositions are useful as single-component adhesives, sealant or coating compositions or sealing compounds in automobile body manufacture. | 03-05-2009 |
| 20090093559 | Absorbent and Antibacterial Polystyrene Paper (PSP) Sheet, Method for Producing Thereof and Tray Using the Same - Disclosed are an absorbent and antibacterial polystyrene paper, a method for producing thereof, and an absorbent and antibacterial tray using the same. The absorbent and antibacterial polystyrene paper according to the present invention may be useful to absorb into a paper liquids, such as blood, moisture and the like, which is generated from foods in packing the foods such as meats, fishes, etc., by adding an antistatic agent to polystyrene raw materials and foaming the resultant mixture to produce absorbent and antibacterial polystyrene paper and tray, wherein a plurality of absorption holes are formed on one surface thereof. Here, the absorbent and antibacterial polystyrene paper according to the present invention is produced by mixing, foaming and extrusion-melting 91 to 95% by weight of polystyrene, 2 to 4% by weight of a nucleating material master batch and 3 to 5% by weight of an antistatic agent master batch, wherein a plurality of absorption holes are formed on a surface of a molded sheet. | 04-09-2009 |
| 20090182065 | PROCESS FOR PRODUCING CONDUCTIVE RUBBER ROLLER, AND ROLLER FOR ELECTROPHOTOGRAPHIC APPARATUS - This invention provides a process for producing a conductive rubber roller having small aspect ratios of inner and outer diameters, having a stable measure of its inner diameter, having uniform cell distribution and being free from non-uniformity of hardness and electrical resistance in the peripheral direction. The process has a step of continuously extruding a tube composed of a specific unvulcanized rubber composition from a rubber extruder in a microwave vulcanizing unit, and a step of foaming and vulcanizing the tube by using a microwave irradiator having a microwave irradiation zone 4 m or less in length while being transported at given speed. The foamed rubber tube has an inner diameter 20 to 35% smaller than the outer diameter of the conductive core material over the whole region in the lengthwise direction, and the conductive core material is press-fitted into the foamed rubber tube without using any adhesive. | 07-16-2009 |
| 20100048748 | Filling foam composition, foam filling member, and filling foam - Filling foam composition capable of providing excellent rustproofing and also suppressing reduction of a foam ratio of the filling foam composition even when reusing unwanted parts thereof and inferior goods thereof; a foam filling member using the same filling foam composition; and a filling foam produced by foaming the filling foam composition. The filling foam composition is prepared by mixing foamable polymer, a foaming agent, and a basic oxide in such a mixing ratio that a ratio of the basic oxide can be in the range of 0.05-70 parts by weight per 100 parts by weight of foaming agent. The mounting member for the filling foam composition to be mounted in an internal space of a hollow member is produced by mounting a mounting member on the filling foam composition obtained. The filling foam is formed by fitting the foam filling member in the internal space of the hollow member and, then, foaming the filling foam composition by the application of heat. | 02-25-2010 |
| 20100204352 | CARPET BACKING COMPOSITION - A carpet backing composition with increased frothablity and froth collapse which may include a binding amount of a polymeric binder, a filler, a thickener, and a foaming surfactant which includes at least one anionic surfactant selected from: linear and/or branched alkyl sulfates having an average 8 to 10 carbon atoms in the alkyl moiety, and linear and/or branched C | 08-12-2010 |
| 20110160323 | POLYMERIC COMPOSITIONS AND FOAMS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME - The invention provides a composition comprising an ethylene/α-olefin/non-conjugated diene interpolymer, which has the following properties: an M | 06-30-2011 |
| 20110172320 | POLY VINYL CHLORIDE FOAM PROMOTERS - The density of rigid foamed articles made by the thermal decomposition of a blowing agent in a vinyl chloride polymer is reduced by the use of a tin based blowing agent activator(s). The tin based activator also reduces the activation temperature of a chemical blowing agent, allowing for more optimal evolution of gas during plastic processing. Dibutyl tin oxide or tin maleates are superior activators of vinyl chloride polymer blowing agents. | 07-14-2011 |
| 20120123003 | SEALING MATERIAL - A sealing material is provided, which maintains excellent sealing property for a long period of time. The sealing material of the invention is characterized by being prepared by vulcanizing and foaming a mixture containing a rubber component containing a copolymer rubber of ethylene, an α-olefin having 3 or more carbon atoms, and a conjugated diene, a vulcanizing agent, and a blowing agent, wherein the mixture contains a thermoplastic resin having a melting point of 80° C. or less. | 05-17-2012 |
| 20130210945 | CROSS-LINKED ELASTOMER COMPOSITION AND PRODUCT INCLUDING SUCH A COMPOSITION - The invention relates to a cross-linked elastomer composition including: an ethylene/alpha-olefin multiblock copolymer comprising polymerized ethylene and alpha-olefin units, an elastomer including a block copolymer having at least two, identical or different, aromatic blocks which are separated by at least one elastomer block, and a cross-linkable polymer, for example, a diene elastomer. The invention also relates to a product including the composition, and to the use of such a product as a seal. | 08-15-2013 |
| 20130267619 | EPDM FOAM, PRODUCING METHOD THEREOF, AND SEALING MATERIAL - An EPDM foam is obtained by foaming a foam composition containing, based on 100 parts by weight of an ethylenepropylenediene rubber, 0.1 to 5 parts by weight of a vulcanizer, 0.1 to 10 parts by weight of a vulcanization accelerator, 1 to 30 parts by weight of a foaming agent, and a foaming auxiliary agent. The vulcanization accelerator contains a thiourea vulcanization accelerator, a thiazole vulcanization accelerator, a dithiocarbamate vulcanization accelerator, and a thiuram vulcanization accelerator such that a thiourea vulcanization accelerator/thiazole vulcanization accelerator/dithiocarbamate vulcanization accelerator/thiuram vulcanization accelerator weight ratio is in a range of 1 to 20/1 to 20/1 to 20/1 to 30. | 10-10-2013 |
| 20140194545 | VEHICLE TYRE HAVING A TREAD COMPRISING A HEAT-EXPANDABLE RUBBER COMPOSITION - A vehicle tyre, usable in winter weather, includes a tread formed of a rubber composition that is heat-expandable when in an unvulcanized state, and expanded when in a vulcanized state. When unvulcanized, the composition includes a diene elastomer, such as natural rubber and/or a polybutadiene; more than 50 phr of a reinforcing filler, such as silica and/or carbon black; between 5 and 25 phr of a sodium- or potassium-including carbonate or hydrogen carbonate; and between 2 and 20 phr of a carboxylic acid having a melting point between 60° C. and 220° C., such as citric acid or stearic acid. A total content of the carboxylic acid and the carbonate or the hydrogen carbonate is greater than 10 phr. Presence of the carboxylic acid and the carbonate or the hydrogen carbonate makes it possible to greatly improve the tyre's grip on melting ice. | 07-10-2014 |
| 20140316021 | COMPOSITION FOR SPORTSWEAR AND FOAM THEREOF - A composition for sportswear, includes a rubber component (a) which contains an epihalohydrin rubber, a vulcanizing agent (b) in an amount of 0.1 to 10 parts by weight for 100 parts by weight of the rubber component (a), and a foaming agent (c) in an amount of 0.5 to 20 parts by weight therefor. The composition for sportswear is preferably includes a colorant (d). | 10-23-2014 |
| 20150299411 | FOAMABLE COMPOSITION WITH LOW HEAT CONDUCTIVITY FOR USE IN PROFILED PLASTIC PARTS - A foamable composition is described that includes at least one base polymer, at least one propellant, at least one lubricant and/or at least one heat stabilizer, and optionally additional additives, selected from crosslinking agents, heat reflectors, heat flow additives, anti-condensation additives, and/or fillers. Corresponding compositions can be processed into polymer foams which can have a heat conductivity of <0.04 E(mK), and an expansion greater than or equal to 1000%, and a weldability of 80 seconds at 240-260° C. Corresponding polymer foams can be advantageously introduced into hollow profiled plastic parts for windows and doors using a coextrusion process and can thus be used to produce door and window frames with low conductivity values. | 10-22-2015 |
