181 results about "Black rubber" patented technology

A pneumatic tire having a non-black rubber composition provided at the at least one portion thereof, at least a portion of said non-black rubber composition comprising 100 part by weight of at least one synthetic rubber and 5 to 100 parts by weight of strontium aluminate or calcium aluminate a long afterglow phosphorescent substance having an average particle size of 1 to 100 Am and having no substantial amounts of carbon black and staining antioxidant, and crosslinked with a crosslinking agent other than sulfur or a pneumatic tire having two or more layer structure of a surface layer of the above phosphorescent rubber composition layer and a lower layer of a blight-colored reflecting layer or the transparent or translucent cover layer and the under phosphorescent rubber composition layer.

The present invention relates to a tire having a rubber tread of a lug and groove configuration and of a co-extruded cap/base construction; wherein the tread cap is of a rubber composition which contains carbon black and is thereby of a black color; wherein a visible surface of at least one groove is of a rubber composition exclusive of carbon black and is of a non-black color and wherein said visible non-black colored rubber composition is a rubber layer which underlies said tread cap. Said visible non-black colored rubber is exclusive of any appreciable portion of, and preferably exclusive of, the surface of said tread lugs intended to be ground-contacting. In one aspect of the invention, said non-black colored rubber composition contains an amorphous precipitated silica reinforcement, preferably a pre-hydrophobated precipitated silica. In another aspect of the invention, said non-black colored rubber composition, and alternately, carbon black containing black colored rubber compositions adjoining said non-black colored rubber composition, is comprised a blend of at least one diene based elastomer and a brominated copolymer of isobutylene and p-methylstyrene together with an organo phosphite.

A roofing membrane comprising an olefinic rubber; and from about 20 to about 250 parts by weight of a silica filler per 100 parts by weight rubber; wherein the silica filler is chemically coupled to the olefinic rubber; and wherein the roofing membrane is non-black.

The invention discloses a sports ground-used nanometer environmental-friendly type polyurethane paving material and a preparation thereof, and the paving material consists of A component, B component, black rubber particles and a catalyst; the A component is: diisocyanate: 20 to 50 percent; polyether polyol: 40 to 70 percent and a nanometer additive: 5 to 25 percent; the B component is: polyether polyol : 20 to 40 percent ; processing aid: 5 to 25 percent; nanometer additive: 0.1 to 5 percent; fillings: 40 to 70 percent, pigments: 0.1 to 2.0 percent; ultraviolet absorbent: 0.01 to 0.1 percent and antiaging agent: 0.01 to 0.1 percent, wherein, the weight proportion of the A component and the B component is 1:3 to 5, the black rubber particles account for 20 percent in the sum weight of the A composition and the B component, the catalyst accounts for 0.15 percent in the sum weight of the A composition and the B component. The preparation method is that, the A component and the B component are mixed according to the weight proportion of 1:3 to 5 of the A component and the B component, then the black rubber particles, the amount of which accounts for 25 percent in the sum weight of the A composition and the B composition are added, and after uniform mixing, zinc iso-octoate, the amount of which accounts for 0.15 percent in the sum weight of the A composition and the B composition are added, and then the track and field runway paving-used polyurethane elastomers are prepared after stirring and polymerization and solidification. The sports ground-used nanometer environment-friendly type polyurethane paving material takes low poisonous and high activity MDI as raw material and leads the environment-friendly property of the paving materials of plastic sports runways and sports playing courts to reach the international standard, and improve various physical index of products obviously.

The invention discloses a pair of protection rubber shoes used for industrial and mining enterprises. The rubber shoes are in a low-top, soft-opening and lace-up type, each vamp is composed of terylene filament mesh fabric and terylene filament canvas, each sole is composed of an antistatic insole and a black rubber outsole formed through vulcanization, and ant-slipping abrasion-resistant sheets are respectively arranged on each toe cap and each heelpiece. The sole and surround bar rubber good in comprehensive performance is obtained by improving and optimizing compounding ingredients of original sole and surround bar rubber. The protection rubber shoes made of the rubber material have anti-puncture performance, the soles have the oil-resistant and antistatic functions, and therefore the protection rubber shoes are suitable for being used in the industrial and mining enterprises.

The invention relates to an edge covering method for sawteeth at edges of photogravure characters and lines, which comprises the following steps: adding solid edge covering lines of 0.01 millimeter to 0.015 millimeter to the edges of the characters and the lines by special typesetting software, manufacturing a hanging mesh in the middle, then ablating out the characters and the lines on a copper plated roller evenly coated with black rubber by a normal laser engraving machine after resolution factor, mesh configuration, line number and angle parameters RIP are added by laser software, and finally etching the ablated characters and the lines by copper chloride to prepare the characters and the lines without serrated edges.

The invention discloses a sports field poly(ethylene carbonate) polyurethane paving material, which consists of a component A, a component B, black rubber particles and a catalyst. The component A comprises the following components in percentage by weight: 20 to 50 percent of diisocyanate, and 50 to 80 percent of poly(ethylene ether carbonate)diol. The component B comprises the following components in percentage by weight: 30 to 50 percent of poly(ethylene ether carbonate), 5 to 25 percent of processing aid, 30 to 70 percent of filler, 0.1 to 2 percent of pigment, 0.01 to 0.1 percent of ultraviolet absorber and 0.01 to 0.1 percent of inhibitor. The weight ratio of the component A to the component B is 1:(1-6), the content of black rubber particles is 10 to 40 percent based on the total weight of the components A and B, and the content of the catalyst is 0.05 to 1 percent based on the total weight of the components A and B. The invention discloses the preparation method of the paving material. The indexes of the paving material reach the performance indexes of polyether polyurethane paving materials. Compared with the polyether polyurethane paving materials, the paving material has higher weather resistance, scrape resistance, wear resistance and caking property, and is lower in cost, nontoxic and environmentally-friendly.

The invention relates to a pure line manufacturing method for gravure-printing characters with height of less than 1 millimeter and lines with thickness of 0.05 millimeter, which comprises the following steps: manufacturing solid superfine characters and lines by special typesetting software, and particularly controlling the thickness of the strokes of the characters below 0.06 millimeter; and using a copper plated roller to hang special black rubber of which the viscosity is 14 to 16 seconds and speed is 35 to 25 meters per minute, and then eroding the characters and the lines by copper chloride, wherein pre-eroding takes 15 to 20 seconds, the formal eroding time is between 80 and 150 seconds, and the eroding depth is between 15 and 16 mu. Therefore, the method achieves the aim of the superfine characters and the lines.

A jet-black rubber modified acrylic resin composition comprising:

• • a rubber modified acrylic resin (A); and
  • a carbon black (B) blended with the resin (A),
  • the rubber modified acrylic resin (A) being capable of providing a 3-mm-thick molded product that has transparency with a total light transmittance of 85% or higher, and
  • the carbon black being dispersed in the resin composition and having a particle diameter of 10 to 40 nm.

The present invention discloses an environment-protecting type polyurethane paving material for sprorts ground. Said material is formed from component A, B and black rubber granules, which contains no high-toxicity tolylene diisocyanate and contains no heavy metal catalyst.

The invention discloses a seed cotton residual film sorting device and algorithm based on hyperspectral imaging and deep learning; the residual film sorting device comprises a cotton distribution box,a high-spectral imager, a dome halogen lamp, an industrial control computerr, a black rubber crawler belt, a high-speed spraying valve, an air suction opening and a fan. The seed cotton to be treatedenters the cotton distribution box from the cotton inlet to be opened, then the hyper-spectral imager is used for acquiring a reflection spectrum image, and then image processing is carried out through the industrial control computer; after the processing is finished and a certain time is delayed, a driving box drives the high-speed spraying valve to spray the residual film at the corresponding position or the seed cotton containing the residual film to the air suction opening, the fan suck the residual film and the seed cotton, and the residual film located at the bottom of the seed cotton can be sucked into the air suction opening due to the air pressure generated by the fan; and the other seed cotton can fall at the designated position due to inertia, so that the sorting is completed.According to the device and algorithm, rapid and accurate recognition and classification of the seed cotton residual membranes can be realized, and the technical problem of residual film sorting for many years in the industry is solved.

The invention provides highly dispersible black colorant rubber. The highly dispersible black colorant rubber comprises, by mass, 30% of butadiene-styrene rubber, 18.5% of calcium carbonate, 8% of softening oil, 42% of carbon black, 1% of an anti-aging agent and 0.5% of a slipping agent. The invention also provides a preparation method of the highly dispersible black colorant rubber. The preparation method can ensure that the carbon black and auxiliary agents in the rubber can be uniformly supported by the carrier rubber, keep good color development physical properties and a dispersion degree of the black rubber, and satisfy colorant rubber plasticity demands in later processes such as normal rolling and extrusion.

The invention discloses a mosaic-type color tire rubber material combination and a preparation method thereof. The rubber material combination includes a black rubber material combination and a color material combination. In addition, a color tire is prepared through following steps: preparation of the black rubber material combination, preparation of the color material combination, vulcanization, layered extrusion and an attaching process with cold feed. A rubber material prepared from the mosaic-type color tire rubber material combination and through the preparation method has an excellent low-pollution performance and is excellent in self-cleaning performance. Pollutions are avoided among the colors and the colors on the rubber material have no migration. Meanwhile, the rubber material has an excellent usability and is in conformity with a national standard requirement. The color tire is more beautiful since the color rubber material is employed in a tire shoulder part. Low-pollution raw materials are employed in the invention and additionally reasonable components of the combination are designed so that abnormal phenomena, such as migration and the like, during a production process are reduced and a product is safer and more economical.

Uncured black colored butyl rubber composition is provided which contains a dispersion of distinguishing dye colored corn cob granules and tire having an innerliner comprised of said butyl rubber. A means of segregating and visually maintaining separation of said black colored uncured butyl rubber and a black colored rubber composition containing a conjugated diene based elastomer to the exclusion of said butyl rubber is provided.

The invention relates to an online and rapid leakage detecting method for a roller hearth type non-oxidation furnace radiating pipe. A sealing gasket and an explosion preventing sheet are manufactured according to the size of a flange in the connecting position of a burning nozzle body and a waste gas pipe; a single burning nozzle is closed, a burning nozzle waste gas pipe is disassembled, the sealing gasket and the explosion preventing sheet are installed between a burning nozzle flange and a waste gas pipe flange, and a bolt is tightly screwed; a gas pipeline pressure detecting hole or a combustion-supporting air pipeline pressure detecting hole is opened, and a pressure gage is connected; a combustion-supporting air pipeline is disconnected from a black rubber pipe, nitrogen is injected into a combustion-supporting air pipe, and the pressure of the pipeline is maintained at 6+/-0.5KPa, the nitrogen injection stops, and the seal of an injecting opening is maintained; that whether a numerical value of the pressure gage is different from a pressure value shown when the nitrogen injection stops or not is observed after two or three minutes; and if the pressure is reduced, the radiating pipe is proved to have a leakage point. The invention can carry out effective, convenient and rapid leakage detection on the roller hearth type non-oxidation furnace radiating pipe and synchronously carry out leakage detection during normal production.

The invention provides a colored noctilucent rubber tire mark, a preparation method thereof, a die and a tire to which the tire mark is pasted. The colored noctilucent rubber tire mark comprises a colored noctilucent rubber piece on the upper layer and a bottom rubber piece (1) on the lower layer, and the colored noctilucent rubber piece is formed by compounding a noctilucent rubber piece body (2) on the upper layer and a colored rubber piece body (3) on the lower layer. The colored rubber piece body and the noctilucent rubber piece body are prepared through a calender in a rolling mode, then the colored rubber piece body and the noctilucent rubber piece body are compounded for forming the colored noctilucent rubber piece, and finally the colored noctilucent rubber piece and the bottom rubber piece are prepared into the colored noctilucent rubber tire mark through the die in a pressing and vulcanization mode. The vulcanized colored noctilucent rubber tire mark and unvulcanized tire billets are subjected to fit vulcanization at the same time through transparent gasoline adhesive on a tire vulcanizer for being prepared into a tire with the tire side provided with the colored noctilucent rubber tire mark. By means of the colored noctilucent rubber tire mark, the defects that the light-emitting effect is poor, and the color is weak after an original colored noctilucent rubber tire mark is pasted to black rubber materials are overcome, a good colored noctilucent effect can be displayed in a dark environment after the colored noctilucent rubber tire mark is pasted to the black tire, the tire mark is clear and visible in the driving process at night, and the driving safety is improved.

The invention discloses a shading film and relates to the field of an FPC (flexible circuit board). The shading film comprises a black PI (polyimide) layer, a black rubber layer and copper foil, wherein the black PI layer, the black rubber layer and the copper foil are sequentially coated with an adhesive for adhesion, and the adhesive is prepared from raw materials in percentage by weight as follows: 10%-15% of rubber, 10%-12% of a flame retardant, 3%-5% of a curing agent, 0.05%-0.1% of an ion catcher, 0.1%-0.5% of an antioxidant, 0.1%-0.5% of an accelerant, 15%-20% of resin, 30%-40% of carbon powder and 6.9%-31.75% of a diluent. The invention further discloses the FPC. The shading film and the FPC have good signal shielding effect and anti-disturbance performance and can block unnecessary light.

The invention discloses an adhesive for black rubber shoe topline sponges as well as a preparation method and an application of the adhesive. The adhesive is prepared from natural rubber, sulfur, a vulcanizing accelerator, a vulcanizing activator, rosin and 120# gasoline as raw preparation materials. The crosslinking stress of the adhesive is improved, the adhesion stress is higher than compression resilience force of polyurethane foamed plastics and bending bounce of composite topline cloth, furthermore, the crosslinking forming speed of rubber cement is increased, the composite topline cloth is tightly fixed on an upper lining, and by means of a method for adhering covering sponges to the topline cloth and a heel part in advance, the problem of non-uniform appearance quality of a rear topline of a rubber shoe due to inaccurate positioning of the topline cloth and non-uniform press-fit tightness of the covering sponges in a sewing process of the topline cloth and the heel part is solved and the sewing speed and the production efficiency of the covering sponges for an upper topline can be greatly increased. With the adoption of the adhesive, the reworking rate of the covering sponges for the rubber shoe topline is reduced to 0 from original 5%, and the production efficiency is improved by 15%.

The invention relates to a whole set of production process of an ordinary electric rectifier diode chip. From the beginning to the end, the whole production process comprises the steps of wire cutting, washing, vacuum sintering, vacuum evaporation and vacuum microalloying, black rubber protection, angle lapping, acid corrosion, rubber protection, room temperature vulcanization, high temperature solidification, detection and packaging. A washed monocrystalline silicon piece is in the following multi-layer structure which is sequentially provided with a molybdenum piece, aluminum foil and a monocrystalline silicon piece from bottom to top, the vacuum sintering is carried out in a sintering furnace, and then an aluminum film is evaporated onto the whole monocrystalline silicon piece; and the angle lapping is carried out in a multi-angle matched grinding process. The production process disclosed by the invention has the advantages that a chip with a novel structure is produced, and the table board modeling mode of a single angle table board of the conventional electric rectifier diode chip is broken through. The new application technology of the multi-angle matched grinding process enables the table board of the chip to have a more perfect multi-angle table board model. The capacity of bearing higher working voltage of the electric rectifier diode chip is effectively improved.

The invention discloses a manufacturing process of a silicon PU plastic track. The silicon PU plastic track is prepared from the following raw materials in parts by weight: 30 to 34 parts of blocked isocyanate, 25 to 28 parts of polysiloxane, 5 to 8 parts of polyether main ingredient, 31 to 35 parts of polyether auxiliary ingredient, 10 to 14 parts of rosin water, 11 to 15 parts of polyhydric alcohol benzoate, 12 to 17 parts of hydroxyl-terminated polybutadiene, 34 to 37 parts of polyurethane resin, 4 to 7 parts of talcum powder, 14 to 17 parts of kaolin, 6 to 9 parts of lead salt, 10 to 15 parts of organic tin, 20 to 24 parts of phthalocyanine blue, 16 to 19 parts of red clay, 11 to 16 parts of stearate, 4 to 9 parts of phthalate, 20 to 27 parts of black rubber particles and 13 to 16 parts of sulphur, wherein the polyether main ingredient is polyether polyol with high molecular weight of 5000 to 6000, and the polyether auxiliary ingredient is polyether polyol with low molecular weight of 2000 to 3000. The manufacturing process has the advantages of good high and low temperature resistance, weather resistance, oxidation resistance and air permeability, strong adhesion and impact adsorption capacity, excellent stability, attractive appearance, simplicity in manufacturing and strong mechanical performance.

The invention discloses a LED module light bar production system. The system comprises an automatic dispenser machine, a fixing tray, material discs, a dedicated suction nozzle, an automatic camera, MARK identification, an automatic chip mounter, an automatic plate feeding machine, black rubber solidification, a lightening test and an automatic plate splitting machine. A slotting on the material disc is in a horn hole shape. The fixing tray is installed on the automatic chip mounter. A positioning apparatus is arranged on the fixing tray. A sealing rubber ring is arranged on the dedicated suction nozzle. The material discs are made from an RF-4 material. An error between the material discs is +/-0.02mm. In the invention, through a high-efficient and accurate mounting mode of a LED energy saving light bar, problems that models and sizes of different lens shades are not unified and returning positions of the tray of the chip mounter are not unified so that a lens reject rate is high and a tiling position is deviated and so on are solved.

The invention discloses a preparation method of a tyre intelligent-management rubber sheet with an RFID electronic tag. The preparation method comprises the following steps of 1, clamping an RFID electronic tag between two unvulcanized black rubber sheets to obtain a sample, 2, putting the sample into a calendar, carrying out leveling and lamination treatment, and carrying out blanking cutting molding by a blanking cutting machine to obtain a semi-finished product, 3, putting the semi-finished product into a flat plate vulcanizing machine, and carrying out vulcanizing molding at a vulcanizing temperature of 105-140 DEG C under the vulcanizing pressure of 9-11 MPa for 24-26min, 4, superimposing the rubber sheet with the RFID electronic tag and a raw rubber sheet, putting the superimposed rubber sheets into the calendar, and carrying out vulcanizing binding molding at a vulcanizing temperature of 50-65 DEG C for 10-20min to obtain a rubber sheet with the RFID electronic tag and the raw rubber sheet, and 5, putting the rubber sheet with the RFID electronic tag and the raw rubber sheet into the blanking cutting machine, and carrying out blanking cutting molding to obtain the tyre intelligent-management rubber sheet with the RFID electronic tag. The tyre intelligent-management rubber sheet with the RFID electronic tag has a high binding degree and does not produce separation phenomenon.