Patent classifications
C08J2319/00
COLORED SILICONE GELS FOR TINTING LANDSCAPE LIGHTING
A lighting assembly includes a lighting fixture. The lighting fixture comprises a housing defining a cavity having an open end and a light source positioned within the cavity of the housing and configured to emit a light from the housing. The lighting assembly further includes a self-adhering, pigmented gel configured to modify the hue of the light from the light source.
METHOD FOR RECLAIMING RUBBER, AND RENEWED RUBBER COMPOSITIONS OBTAINABLE THEREBY
The invention relates to the recycling of used rubber products, more specifically to the recycling of Ground Tire Rubber (GTR) from cars and trucks. Provided is a method for reclaiming rubber, comprising the steps of (i) providing a starting material comprising a vulcanized rubber polymer; (ii) subjecting the starting material to mechanical stress and at a temperature of at least 200? C. to achieve at least a partial destruction of the cross-links and the backbone structure of the rubber polymer into fragments; and (iii) reconstituting at least part of the fragments in the presence of a branching/grafting agent to obtain a renewed rubber composition.
FILLED POLYMERIC RESIN MATERIALS AND METHODS OF MAKING
The present disclosure provides for articles formed of a filled polymeric resin material. More specifically, the present disclosure relates to polymeric resin materials that include a filler that includes of a mixture of cured rubber granules, foam granules, and/or textile fibers. The filler can be suspended in and/or encapsulated by the polymeric resin material. The polymeric resin material, the filler, or both can include waste or scrap material from manufacturing or from ground post-consumer waste.
CARBON BLACK RECOVERY METHODS AND COMPOSITIONS COMPRISING SAME
The present technology generally relates to a method for recovering carbon black (rCB) from a vulcanized polymer matrix, the method comprising performing oxidative desulfurization of the vulcanized polymer matrix with an aqueous chloramine solution. The present technology also relates to compositions comprising rCB obtained from the methods defined herein.
Thermoplastic elastomer composition and production process for the same
A thermoplastic elastomer composition obtained by dynamically crosslinking an ethylene/-olefin/non-conjugated polymer copolymer (A), a polyolefin resin (B), a softener (C) in an amount of 1 to 200 parts by mass per 100 parts by mass of the total of the copolymer (A) and the resin (B), and a crosslinking agent (D) by the use of a batch mixer under the conditions satisfying the requirements (1) to (4).
Surface modification method and surface-modified elastic body
The present invention aims to provide methods for surface-modifying a rubber vulcanizate or a thermoplastic elastomer, which can cost-effectively impart a variety of functions, such as sliding properties or biocompatibility, according to the application. The present invention relates to a method for surface-modifying an object of a rubber vulcanizate or a thermoplastic elastomer, the method including: step 1 of forming polymerization initiation points A on the surface of the object; and step 2 of radically polymerizing a non-functional monomer, starting from the polymerization initiation points A, to grow non-functional polymer chains, and further radically polymerizing a fluorine-containing functional monomer to grow fluorine-containing functional polymer chains.
FILM BASED ON A COMPOSITION OF POLYMERS AND PLASTICIZERS HAVING A TG RANGING FROM -35°C TO 40°C, ELEMENT INCORPORATING SAID FILM, METHOD FOR MANUFACTURING THEREOF AND USES THEREOF
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.
Production of fuel products from waste rubber material
A process for extracting fuel products from waste rubber, comprising the steps of subjecting the waste rubber to pyrolysis to produce a pyrolysis vapour, subjecting the pyrolysis vapour to a condensation step to produce a pyrolytic oil having a boiling point range of 45-400? C. and a flash point below 25? C., and then subjecting the pyrolytic oil to a vacuum steam stripping step so as to recover a fraction having a first composition having a flash point above 55? C., a boiling point range starting at 140? C. or higher, a density at 15? C. of less than 990 kg/m.sup.3, a total acid number TAN of up to 12, a styrene content of less than 3000 ppm, and an organic halogen (as Cl) content of less than 50 ppm, and a second composition having an initial boiling point not exceeding 75? C. under atmospheric pressure, a density at 15? C. of greater than 790 kg/m.sup.3, a benzene content of at least 1.25 vol %, an existent gum (washed) content greater than 10 mg/100 ml, an organic halogen (as Cl) content of less than 50 mg/kg, and a colour of less than 5.0.
Machine component composed of metal and rubber and manufacturing method of the same
The present invention is intended to provide a machine component composed of metal and rubber that results in no increase of material costs for an adhesive or increase of manufacturing costs for metal molding, causes no contamination of the metal mold or generates no foreign matter on the metal mold due to adhesion of the adhesive at the time of molding, causes no failure by separation of the adhesive from a fitting portion at the time of fitting the metal component, and is clean and favorable in appearance. A machine component 1 composed of metal and rubber is formed by applying a thermoset resin adhesive A to a surface of a metal component 2 of a predetermined shape, and vulcanizing and adhering a rubber 3 of a predetermined shape to part of the surface of the metal component 2 by metal molding.
HEAT-CONDUCTING FOAM SHEET FOR ELECTRONIC INSTRUMENTS AND HEAT-CONDUCTING LAMINATE FOR ELECTRONIC INSTRUMENTS
Provided is a heat conductive foam sheet for electronic equipment sufficiently thin and flexible to be suitably used in the interior of electronic equipment and excellent in heat conductivity. A heat conductive foam sheet for electronic equipment containing a heat conductor in an elastomer resin portion constituting the foam sheet, in which the content of the heat conductor relative to 100 parts by mass of the elastomer resin is 100 to 500 parts by mass, the 25% compressive strength of the foam sheet is 200 kPa or less and the thickness thereof is 0.05 to 1 mm.