80results about How to "Avoid heat aging" patented technology

A wavelength converting member is provided, comprising a sealed capsule at least partly made of sintered polycrystalline ceramic, for example sintered polycrystalline alumina, said capsule defining at least one sealed cavity; and—a wavelength converting material contained within said sealed cavity. The wavelength converting member has high total forward transmission of light, high thermal conductivity, high strength and provides excellent protection for the wavelength converting member against oxygen and water. The wavelength converting member can advantageously be applied in a light emitting arrangement or as a color wheel for a digital image projector.

The invention discloses an anti-crocking rubber sole and relates to a rubber sole. The invention provides the anti-crocking rubber sole with low production cost, long service life, ageing resistance and no crocking and a method for manufacturing the same. Raw materials comprise A and B; the raw material A comprises 72.9 percent of cis-1,4-polybutadiene rubber, 20.2 percent of caoutchouc, 6.9 percent of styrene-butadiene rubber, 44.5 percent of precipitated hydrated silicon dioxide, 0.8 percent of bi-(3- propyl triethoxysilane)- tetrasulfide, 5.3 percent of zinc oxide, 3.5 to 4.5 percent of polyethylene glycol, 1.0 to 2.0 percent of stearic acid, 1.1 percent of rubber viscosity increaser, 0.8 percent of activating agent, 0.3 to 0.6 percent of phenolic antioxidant, 0.4 percent of tackifying resin and 1.0 percent of antifogging agent; the raw material B comprises insoluble sulfur, tetramethylthiuram monosulfide and an accelerant; and the ratio of the A to the insoluble sulfur to the tetramethylthiuram monosulfide to the accelerant is 500 : 1.0-2.5 :1.0 : 0.7. The anti-crocking rubber sole is prepared by banburying, mill opening, sulfur treatment, measurement of a vulcanizing curve, oil pressure molding and a crocking test.

The invention relates to a strippable semiconductive shielding rubber for rubber insulation and a preparation method thereof. The strippable semiconductive shielding rubber comprises the following components in parts by weight: 100 parts of nitrile-butadiene rubber, 0.5-8 parts of graphene, 10-40 parts of conductive carbon black, 7-15 parts of plasticizer, 1-2 parts of anti-aging agent and 2.5-4.5 parts of vulcanizing agent, wherein the nitrile-butadiene rubber is a solar one; the minimum surface-diameter ratio of the graphene is 1000; the plasticizer is one or a mixture of paraffin, dioctyl ester, stearic acid and the like; and the vulcanizing agent is a peroxide vulcanizing system. The preparation method comprises the following steps: plasticating the nitrile-butadiene rubber twice (10 minutes for each time), and standing at normal temperature for 12 hours; adding the graphene into the plasticated nitrile-butadiene rubber, evenly mixing, and adding 1/2 of the conductive carbon black or acetylene carbon black; 3 minutes later, adding the residual carbon black and the plasticizer, and compounding for 2 minutes; sequentially adding various assistants, finally adding the vulcanizing agent, compounding for 1 minute, and then discharging, wherein the compounding temperature is not higher than 120 DEG C; and after discharging, tabletting semiconductive shielding gum on a tabletting machine to prepare the semiconductive shielding rubber. The semiconductive shielding rubber provided by the invention is easy to process and strip and high in conductivity.

The invention discloses a conductive slurry and a method of using the same to form a net shaped carbon thermo-conductive electroconductive network current collector. The conductive slurry is preparedfrom the following raw materials in parts by weight: 4 to 6 parts of carbon nanotube, 8 to 12 parts of conductive carbon black, 1 to 3 parts of flake graphite, and 15 to 25 parts of polyvinyl alcohol.A highly thermo-conductive electroconductive carbon material with at least one dimension and highly thermo-conductive materials that can form a net shape material such as carbon nanotubes, graphene,and the like, are added into common conductive carbon black to form a continuous thermo-conductive electroconductive network coating on a current collector; the coating can provide a heat dissipationeffect for high-rate charge/discharge; at the same time, the electroconductive requirement is satisfied, the heat aging problem of an energy storage system is solved, and the service life of the system is prolonged.

This invention provides an LED light source using a fluorescence conversion device with a transparent base material. The LED light source comprises an LED device and a fluorescence conversion device, wherein the LED device has at least one LED chip; the fluorescence conversion device is arranged on the LED device and has the transparent base material; light emitted from the LED chip is mixed to form white light by using the fluorescence conversion device and emitted to the outside; and the fluorescence conversion device can be arranged on the LED device during package of the LED device and secondary package of the LED device, or a plurality of LED devices share a fluorescence conversion device. The fluorescence conversion device with the transparent base material is formed by coating a fluorescent powder film on the transparent base material shaped from any one material of ARTON, COC, COP, PMMA and optical glass; and the fluorescent powder film on the fluorescence conversion device is excited by a blue ray or an ultraviolet chip to produce visible light of other wave bands, and colors of various sections are mixed to form the white light. The invention further provides the fluorescence conversion device with the ARTON transparent base material and a preparation method thereof.

The invention relates to a device for mixing powder (17) for a device for producing a three-dimensional object, comprising: a stirring device (4) and a pressure-fluid supply means for fluidizing powder (17). A device (100) for producing the three-dimensional object (503) is adjusted to connect with the device for mixing powder (17) and form a system with the device for mixing powder.

A polyester condensed catalyst and production of polyester are disclosed. The catalyst consists of aluminum compound and phosphor compound and the final product is thin-film fibrous hollow formed substance.

The invention provides a self-regulating electric heat tracing tape for a high-temperature boiler, and relates to the technical field of electric heat tracing cable. The self-regulating electric heattracing tape for the high-temperature boiler comprises a core wire, a conductive plastic layer and an insulating layer; the outer side wall of the core wire is wrapped in the conductive plastic layer;the outer side wall of the conductive plastic layer is sleeved with an insulating layer; the outer side wall of the insulating layer is wrapped in a woven shielding layer; a waterproof layer is disposed between the insulating layer and the woven shielding layer; the outer side of the woven shielding layer is wrapped in a heat insulating layer; the outer side wall of the heat insulating layer is sleeved with a protective cover; and the outer side wall of the protective cover is wrapped in an anti-corrosion layer. The self-regulating electric heat tracing tape overcomes the deficiencies in theprior art, is reasonable in design and compact in structure, can protect a boiler pipeline when used in cooperation with the boiler pipeline, is safe to use and easy to install, has a good heat tracing effect, and avoids freezing the boiler pipeline.

The invention discloses a temperature control device for a battery diaphragm production line. The device comprises a dry process dual-pulling production line stretching box, wherein supporting legs are fixedly connected to the bottom of the dry process dual-pulling production line stretching box, a temperature controller device body is arranged on the front face of the dry process dual-pulling production line stretching box, and supporting racks are fixedly connected to four corners of the bottom of the temperature controller device body. By moving a detection mechanism left and right to detect the temperature of the dry process dual-pulling production line stretching box movably, transferring the detected data to the temperature controller device body, and correspondingly starting an aircooler or a warm air machine by means of the temperature controller device body according to a specific temperature to transfer cold air or hot air to the dry process dual-pulling production line stretching box to be adjusted accurately, so that the problem that the temperature control device of an existing battery diaphragm production line is imprecise to control the temperature is solved. The temperature control device for the battery diaphragm production line has the advantages of multipoint detection and precise temperature control, and improves the temperature control precision, so that the product quality is improved.

The invention discloses a carcass layer tread rubber of an aviation radial tire. A crude rubber system of the carcass layer tread rubber jointly adopts natural rubber and butadiene rubber; a reinforcement system adopts STERLIN V (SV) carbon black and adopts parts of white carbon black; accessory ingredients, including silane coupling agent KH-560, binding agent SL-3090, adhesion promoter AIR-201, adhesion promoter AIR-1 and the like, are added into a formula. The carcass layer tread rubber disclosed by the invention has the advantages of low hardness and stress at definite elongation, soft rubber material and small possibility of generating gaps during repeated deformation; the carcass layer tread rubber can be suitable for the performance requirements of high speed, high load and high refurbishment frequency of a novel tire in the future; before and after ageing, the carcass layer tread rubber has the advantages of high bonding strength of the rubber material and a nylon cord, good fatigue durability, low heat generation, high rebound value and small hysteresis loss; a carcass layer of the tire can be protected from delamination, swelling and tire side puncturing, and the service life and the safe performance of the aviation radial tire are improved.

The invention discloses a combined shading adhesive and a manufacturing technology thereof. The combined shading adhesive comprises an adhesive base layer, a release paper and a waterproof layer, therelease paper is adhered to the bottom of the adhesive base layer, a filtering layer is arranged at the top of the adhesive base layer, a reinforced composite layer is arranged at the top of the filtering layer, a wear-resistant layer is arranged at the top of the reinforced composite layer, and the waterproof layer is uniformly distributed on the outer side of the combined shading adhesive. A PCfilm is used as the adhesive base layer, and has flame-retardant and insulating effects, a PET film is used as the wear-resistant layer to reduce the wearing of the shading adhesive, a filtering layeris composed of a magenta filtering film, a yellow filtering film and a cyan filtering film, the three-primary-color filtering films are light-transmitting and overlaid to be black to cooperate carbonblack and ball clay which are uniformly distributed in the reinforced composite layer to absorb lights and isolate heat energy propagation, so that the shading effect of the shading adhesive is greatly improved, and the shading adhesive can effectively insulate heat to prevent heating ageing, thereby the service life of the shading adhesive is prolonged; and the waterproof layer avoids water stain erosion, so the use safety of the shading adhesive is improved.

The invention relates to the technical field of optical fiber dispensing, and provides a dispensing system. The dispensing system comprises a dispensing device, a limiting device, a heating device anda working platform for storing a product; the limiting device comprises a fiber supporting assembly, the fiber supporting assembly comprises a fiber supporting disc and an optical fiber guide limiting bar mounted on the fiber supporting disc, and a limiting groove is formed in the optical fiber guide limiting bar; the heating device comprises a heating assembly and a tubular part used for mounting an optical fiber, the heating assembly heats the tubular part, the tubular part is provided with a through groove for glue injecting, and the tubular part and the product are mounted in a matched mode; the dispensing device is used for injecting glue into the tubular part through the through groove; the fiber supporting disc and the working platform move synchronously, and a gap is formed between the fiber supporting disc and the working platform; and the heating assembly located at the gap is mounted on the working platform. The dispensing system adopts a local heating mode, the heating efficiency is high, and thermal aging of a main part of the product can be effectively prevented; and the optical fiber is preliminarily positioned through the optical fiber guide limiting bar, and the dispensing efficiency is advantageously improved.

This device (1) for producing a solid natural rubber includes: a rotary member (40) having a heated endless annular surface; a spray nozzle (26) that sprays a natural rubber latex onto the endless annular surface; and a scraper (72) arranged downstream of the spray nozzle (26) in a manner so as to slidingly contact the endless annular surface. The coated liquid of the natural rubber latex adhering to the endless annular surface dries and turns into a solid natural rubber (G2) as the endless annular surface rotates, and the solid natural rubber (G2) is peeled off from the endless annular surface by the scraper (72). This device (1) for producing a solid natural rubber can produce high-quality solid natural rubber (G2) efficiently and at a low cost.

The invention relates to the technical field of fireproof materials, in particular to a rubber hose and a preparation method thereof. The rubber hose sequentially comprises a lining layer, a first steel wire framework layer, a middle rubber bonding layer, a second steel wire framework layer and an outer rubber layer in the pipe diameter direction; the lining layer is prepared from nitrile rubber and NBR/PVC rubber and plastic alloy; the first steel wire framework layer is compounded on the lining layer; the middle rubber bonding layer is compounded on the steel wire framework layer; the middle rubber bonding layer is prepared from nitrile rubber and chloroprene rubber; the second steel wire framework layer is compounded on the middle rubber bonding layer; the outer rubber layer is compounded on the second steel wire framework layer; the outer rubber layer is prepared from nitrile rubber, rubber and plastic alloy and a compound flame retardant; the compound flame retardant is prepared from the following components in parts by weight: 12 to 20 parts of polyphosphamide, 10 to 17 parts of pentaerythritol, 7 to 9 parts of melamine, 20 to 30 parts of antimony trioxide, 24 to 30 parts of white carbon black, 1-5 parts of a silane coupling agent, and 2 to 4 parts of tricresyl phosphate. The rubber hose has excellent fire resistance and ultrahigh pressure performance.

The invention discloses a main steam door switch in-place feedback structure. The main steam door switch in-place feedback structure comprises a mounting plate, wherein the middle of the upper end ofa movable plate is rotationally connected with the mounting plate through a first connecting part, a first stirring plate is arranged in the middle of the movable plate, an arc-shaped groove is formedin the left side of the lower edge of the movable plate, a second stirring plate is arranged on the left side of the lower end of the movable plate, the upper end of the second stirring plate is movably connected with the arc-shaped groove through a second connecting part, a third stirring plate is arranged at the right end of the lower edge of the movable plate, a first turn-off travel switch isarranged on the left side of the lower end of the mounting plate, a second switch in-place travel switch is arranged on the right side of the first turn-off travel switch, and the right side of a second turn-off travel switch is provided with an open-to-place travel switch. The invention relates to the technical field of protection of steam turbine generators of power plants. According to the main steam door switch in-place feedback structure, the purpose of not needing to be re-punched and positioned is achieved, and the installation position of the travel switch needs to be adjusted after being overhauled for each time.

The invention relates to a jet flame and hydrocarbon flame resistant medium-voltage cable for an offshore oil platform and a manufacturing method thereof. A semi-conductive conductor shielding layer,an insulating layer and a semi-conductive insulating shielding layer wrap the periphery of a stranded tin-plated annealed copper conductor from inside to outside in a three-layer co-extrusion mode; atinned copper wire shielding layer is woven on the periphery of a semi-conductive insulation shielding layer to form a shielding wire core, a plurality of shielding wire cores are twisted to form a cable core, an inner silicone oil layer is extruded on the periphery of the cable core, an inner lining layer is extruded on the periphery of the inner silicone oil layer, a fireproof wrapping tape is wrapped on the periphery of the inner lining layer, and an armor layer is wrapped on the periphery of the fireproof wrapping tape; the periphery of the armor layer is extruded with an outer silicone oil layer, the periphery of the outer silicone oil layer is extruded with a jet flame and hydrocarbon flame resistant inner sheath, and the periphery of the jet flame and hydrocarbon flame resistant inner sheath is extruded with a slurry resistant cross-linked polyolefin outer sheath. The cable adopts a double-layer composite sheath, can bear high-temperature flame of 1300 DEG C for 120 minutes under rated voltage, and does not have a grounding fault or a short circuit.

The invention belongs to the field of cable trench wells, and particularly relates to a self-cooling cable trench for a communication base station. The self-cooling cable trench comprises a trench body, a cable rack and a cover plate, wherein the bottom of the trench body is provided with a drainage channel extending along the longitudinal direction of the trench body, the drainage channel is connected in series in an urban sewage discharge system, the bottom of the drainage channel is provided with a circulating box, a cooling liquid pipe is installed on the inner side wall of the trench body, the two ends of the cooling liquid pipe extend into the drainage channel and communicate with the bottom of the circulating box, a one-way liquid inlet valve and a one-way liquid outlet valve are installed at the two ends of the cooling liquid pipe correspondingly, a horizontally-arranged piston plate is connected to the inner side wall of the circulating box in a sealed and sliding mode, and awing plate is arranged above the circulating box and is fixedly connected with the piston plate through a connecting rod. According to the invention, water flow in a drainage channel can drive a wingplate to move up and down, so that circulating flow of cooling liquid is achieved, the good heat dissipation and cooling effect is achieved, energy conservation and environmental protection are achieved, and the manual maintenance cost is reduced.

The invention discloses a drier for cotton cloth processing. The drier comprises a base. A drying seat is fixedly mounted on the base, a cooling box is inserted onto the drying seat and comprises a cooling cavity, a battery cavity and a drying cavity, a heat-dissipating mechanism is mounted in the cooling cavity, and a preheating mechanism is mounted on the outer side wall of the cooling box. By hoisting and combining the cooling box and the drying seat, the device is more convenient to load the material. A hollow cooling plate is in direct contact with cotton cloth for liquid cooling and heatdissipation, so that a purpose of quick heat dissipation is achieved. The drier is relatively small in occupied space. By arranging a standby battery, the device can operate continuously for a periodof time under a circumstance of power failure, so that the cotton cloth is prevented from being detained in the drying cavity to be heated and aged.