40results about How to "Consistent physical properties" patented technology

The invention discloses an aluminum oxide ceramic substrate with high heat conductivity. The aluminum oxide ceramic substrate is prepared by steps of stirring a ceramic powder material, a binder, a plasticizer, a dispersant and a solvent uniformly, preparing a ceramic raw-ceramic substrate through a tape casting method, glue discharging and sintering. The aluminum oxide ceramic substrate is characterized in that the solvent is a mixture of butanol, isopropanol and butyl acetate, and the ceramic powder material comprises aluminium oxide powder and auxiliary agents. The invention also discloses a preparation method for the aluminum oxide ceramic substrate with the high heat conductivity. According to the aluminum oxide ceramic substrate and the preparation method, the solvent system which comprises the butanol, the isopropanol and the butyl acetate are used as the main solvent in place of traditional toluene, thus enhancing dissolution of PVB by the solvent, thereby guaranteeing uniformity of raw ceramic slurry, making physical properties of sintered ceramic stable, reducing environmental influences of the exhausted gas during production processes compared to traditional modes of production, contributing to energy conservation and emission reduction, and reducing the cost.

A flexile hose for use in conveying fluids comprising: a solid inner tubular structure of a non-foamed thermoplastic vulcanizate material having an inner circumferential surface through which fluids are conveyed, and an outer circumferential surface; a reinforcement material telescoped over the outer surface of the foamed thermoplastic vulcanizate material; and a foamed thermoplastic vulcanizate material having an inner surface and an outer surface, the inner surface of which circumferentially encompasses the reinforcement material forming a cover thereon, and a method for manufacturing such hose are described.

A composite structure includes a first layer, a support layer, and a urethane acrylate layer disposed between the first layer and the support layer. The first layer is a show surface of the composite structure. The urethane acrylate layer includes a urethane acrylate composition that includes a urethane acrylate adduct. The urethane acrylate adduct is the reaction product of an isocyanate component and a stoichiometric excess of a functionalized acrylate component. The isocyanate component has at least two isocyanate groups. The functionalized acrylate component has at least one isocyanate-reactive functional group that is reactive with at least one of the isocyanate groups for forming the urethane acrylate adduct. The resulting urethane acrylate composition is sufficiently low in viscosity for many processing applications, and the urethane acrylate layer including the urethane acrylate composition exhibits sufficient adhesion to the first layer and support layer.

The invention discloses an automatic pouring PU (Polyurethane) earplug manufacturing device. The automatic pouring PU (Polyurethane) earplug manufacturing device comprises a rack, wherein X-axis guide rails and X-axis driving mechanisms are arranged on the rack, a cantilever which can move along the guide rails is arranged on the X-axis guide rails, Y-axis guide rails and Y-axis driving mechanisms are arranged on the cantilever, an automatic color matching and injection mixing device which can move along the guide rails is arranged on the Y-axis guide rails, an earplug mold permanent seat and an automatic line feed mold opening and closing actuator are arranged at one end of the rack, multiple earplug molds are arranged on the permanent seat at intervals, and a water heating circulating device with double pipelines, which is used for heating each earplug mold, is also arranged at one side of the rack. The automatic pouring PU (Polyurethane) earplug manufacturing device has a self-timing mold opening and closing function and can be used for ensuring that products reach physical property requirements within setting time; and by adopting the automatic pouring PU (Polyurethane) earplug manufacturing device, the product quality is ensured, after mold opening, the products are separately molded, and secondary machining is not needed, so that raw materials are saved, and the efficiency is high.

The invention relates to a gradient color electrolytic aluminum hot stamping foil and a production method thereof and belongs to the field of printed packaging material production and processing. A product produced through a traditional process is single in color, and after the product is used in a hot stamping manner, only a single-color block image-text may be presented; when multi-color hot stamping is utilized, the accuracy of a hot stamping cover is relatively low, which may be found out easily by naked eyes, and products most are full colored at a time and thus very easy to copy in hue appearance. The gradient color electrolytic aluminum hot stamping foil has the following advantages that 1, a color layer is colored in a single linking gradient-two-color hanging net registration coating way, and colors are presented in such a manner of seamless transition from one single color to another color; 2, when a customer designs a hot stamping pattern, the customer does not need to design two-color overprinting, and seamless gradient two colors can be realized through single gold stamping; 3, a hanging net curve of a coating roller is adjusted to obtain different color transition curves, and the hue is extremely difficult to restore, thereby realizing a certain anti-counterfeit functional feature; and 4, during two-color overprinting, two hues are added by an any point to achieve 100% dry coating weight, and the two hues have consistent physical properties without affecting subsequent hot stamping use by customers.

The invention provides a storage method of Pu-erh tea, and the storage method comprises four technical processes of regulation, stabilization, fermentation and alcoholization. According to the regulation conditions, the storage space ratio of tea is 36%-55%, the temperature is 15-25 DEG C, the humidity is 50%-60%, the number of negative ions is greater than or equal to 6000/cm<3> and the storage time is 6-12 months. According to the stabilization conditions, the storage space ratio of tea is 40%-65%, the temperature is 18-25 DEG C, the humidity is 55%-65%, the number of negative oxygen ions isgreater than or equal to 6000/cm<3> and the storage time is 12-18 months. According to the fermentation conditions, the storage space ratio of tea is 36%-45%, the temperature is 20-25 DEG C, the humidity is 60%-75%, the number of negative oxygen ions is greater than or equal to 6000/cm<3> and the storage time is 2-5 years. According to the alcoholization conditions, the storage space ratio of teais 36%-55%, the temperature is 20-25 DEG C, the humidity is 55%-70%, the number of negative oxygen ions is greater than or equal to 5000/cm<3> and the storage time is 1-2 months.

The present invention belongs to the fields of the biolobical science and the biotechnology, and relates to a method for abstracting, edulcorating, cultivating and optimizing the symbiotic blue green algae. Separation and purification includes the steps that after the surface sterilization, the immersion, the sterile water cleansing, the glass homogenizer grinding, the centrifuge of filter liquor, the deposition and the re-suspending, a symbiont is cultivated with culture solution containing nitrogen BG-11 (N) in the shaking way in the initiating stage, and cultivated with the culture solution containing non-nitrogen BG-11 (N) in the late stage, at the same time, pure colony is abstracted through marking on the flat plate of the BG-11 (N) solid cultivation medium until being edulcorated. Cultivating and optimizing is provided with the conditions that the intensity of illumination is 160 micromole . m ^{- 2} . s ^-1 , the illumination cycle is 18 h / 6 h, the pH value is 8.4, the temperature is 25 DEG C, and the humidity is 90 percent. The present invention has the advantages that the abstraction and the edulcoration of the symbiotic blue green algae is time saving and labor saving, the vitro nutrition mode of the symbiotic blue green algae can be established rapidly, the very pure symbiotic blue green algae can be obtained, and thus the basis is founded in order to further research the essence of the symbiotic blue green algae and the application of the active metabolic metabolites of the symbiont.

The invention relates to a seamless welding method of ultrahigh molecular weight polyethylene plates; the method realizes seamless welding through filling ultrahigh molecular polyethylene powder in a groove, is excellent in welding effect, and can totally fuse two plates to achieve a purpose of seamless welding; the rising temperature and the adding pressure in the welding process are substantially consistent with the rising temperature and the adding pressure in the process of pressing the ultrahigh molecular polyethylene plates; the ultrahigh molecular polyethylene plate powder added in the groove is the same with materials in the pressing of the plates; and the appearances and the physical performances of the plates at the butt joint parts are both consistent with that of the ultrahigh molecular polyethylene plates required to be in butt joint.

The invention discloses a full spectrum LED light source module for LCD backlight. The full spectrum LED light source module for the LCD backlight comprises an LCD panel and LED backlight, and the component parts of the LCD panel comprise a polaroid, an upper glass substrate, a color filter, an alignment film, a liquid crystal unit, a TFT substrate, a lower glass substrate and a polaroid from top to bottom in sequence. The LED backlight comprises a fluorescent powder converting plate, a diffuser plate, a light guide plate, a reflector plate and LED chips. The fluorescent powder light turning plate comprises substrate materials and fluorescent powder. An LED chip array is placed on the side edge of the LED backlight by adopting a side edge mode. The fluorescent powder is a single zinc oxide system or one or more semiconductor nanocrystal fluorescent powder of zinc selenide, cadmium sulfide and cadmium selenide. The fluorescent powder converting plate is far away from the LED chip array, and an integral encapsulating mode is adopted by the LED chips. The full spectrum LED light source module for the LCD backlight reduces contact thermal resistance of the chips, is beneficial to overall heat dissipation of a light source, effectively lowers the using temperature of the fluorescent powder, and improves the consistency and color saturation of the spectrum in a long-term using process.

The invention relates to a processing method for improving a solar cell work stability and a device thereof comprising: irradiating a solar cell or a solar cell film by using a laser with a spectral wave length of 10. 06 micron so as to make an internal crystal phase arrangement of the solar cell or the solar cell film to tend to consistent, usefully improving and stabilizing the light energy absorption efficiency, the electric energy conversion efficiency and the output power of the solar cell, implementing the improvement of the attenuation of the output power and improving the work stability and prolonging the effective work life interval. The device comprises an operation control box, a CO2 laser generator and a work piece irradiation table. The operation control box and the CO2 laser generator are interconnected by conductors. The CO2 laser generator and the work piece irradiation table are interconnected by a light path. The solar cell or the solar cell film is arranged on the work piece table for irradiation. The output power attenuation of the solar cell made after the processing is less than 5, the effective work life interval is at least prolonged to 40 years so as to satisfy any special use demands.

The invention discloses a white-light LED (Light Emitting Diode) three dimensional light source module allowing light emitting in 360 degrees. The white-light LED three dimensional light source module allowing the light emitting in 360 degrees is formed by a substrate, a substrate electrode bayonet, a chip, silica gel, a down-conversion fluorescence device and a down-conversion fluorescence device bayonet; the down-conversion fluorescence device is formed by base materials and fluorescent powders; the substrate is in regular three-surface or regular four-surface or regular six-surface or regular eight-surface column-shaped structure; the electrode bayonet is arranged at one end of the substrate; the chip is fixed on the lateral side of the substrate in an integrated packaging mode; the down-conversion fluorescence device which is far from the chip is arranged on the outermost side of the module; the down-conversion fluorescence device bayonet is arranged at one end of the fluorescence device; the fluorescent powders are yellow fluorescent powders or yellow red composited fluorescent powders or yellow, red and green composited fluorescent powders which are in same base materials. The white-light LED three dimensional light source module allowing the light emitting in 360 degrees has the advantages of reducing production processes of a whole lamp, reducing production costs, large in light emitting angles and high in color rendering index, reducing contact thermal resistance of the chip, being benefited for integral heat dissipation of a light source, effectively reducing use temperature of the fluorescent powders and improving spectrum consistency and reliability during long-term using process.

The subject invention discloses a composite structure comprising a first layer and a support layer. The first layer is a show surface of the composite structure. The support layer includes a urethane acrylate that is the reaction product of an isocyanate component and a stoichiometric excess of an acrylate component. The isocyanate component has at least two isocyanate groups, which provide polymeric functionality to the urethane acrylate. The acrylate component has at least one functional group that is reactive with at least one of the isocyanate groups for forming the urethane acrylate.

The invention discloses a food-grade TPE material and a preparation technology thereof. A food-grade material product prepared from a TPE material can replace a PVC material and has food-grade safety reliability, good mechanical properties and processing performance. The food-grade TPE material is prepared from, by weight, 60-80 parts of styrene elastomer, 20-40 parts of polypropylene resin, 30-50 parts of white oil, 5-20 parts of a polyquaternium-chitosan-hyperbranched polyurethane compound, 5-15 parts of sulfonated polybenzimidazole, 2-10 parts of 2,2'-bis(4-carboxyl phenoxy) benzidine, 0.5-1 part of a smoothing agent and 0.1-1 part of antioxidant. Chitosan is modified with polyquaternium, and then hyperbranched polyurethane is modified with the modified chitosan to obtain the polyquaternium-chitosan-hyperbranched polyurethane compound.

The invention discloses a heater, including a metal matrix layer, an insulating medium layer sintered on the metal matrix layer, a first electrode and a second electrode sintered on the insulating medium layer, and a heating resistor sintered on the insulating medium layer. The heating resistor comprises a first connecting end and a second connecting end. The first connecting end is connected withthe first electrode. The second connecting end is connected with the second electrode. The heater also comprises a thermal fuse sintered on the insulating medium layer. One end of the thermal fuse stretches across the heating resistor on the first connecting end, and the other end of the thermal fuse stretches across the heating resistor on the second connecting end. The heater can provide safetyprotection when abnormal conditions occur, to prevent to cause severe risk.