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63results about How to "Shorten batching time" patented technology

Preparation process of lithium ion battery negative paste, lithium ion battery negative pole plate and lithium ion battery

The invention belongs to the technical field of a lithium ion battery, and relates to a preparation process of lithium ion battery negative paste, a lithium ion battery negative pole plate and a lithium ion battery. The preparation process of the lithium ion battery negative paste comprises the following steps of (a) mixing a negative active substance, a conductive additive, a dispersion agent anda thickening agent in a dried way to obtain mixed powder; (b) adding a solvent, performing uniform mixing to obtain primary paste with solid content being 67-69wt%; (c) adding the solvent again, performing uniform mixing to obtain secondary paste with solid content being 58-62wt%; (d) adding the solvent again, performing uniform mixing to obtain third paste with solid content being 54-56wt%; and(e) adding a binding agent into the third paste, and performing uniform mixing to obtain the lithium ion battery negative paste. The process is simple and is easy to operate, the preparation time canbe remarkably prepared, the equipment utilization ratio is improved, meanwhile, the mixing is uniform, and the dispersion performance, the consistency and the fineness of the paste are improved.
Owner:BEIJING NAT BATTERY TECH

Quick-charging polymer lithium ion battery based on carbon-based nanometer materials

The invention discloses a quick-charging polymer lithium ion battery based on carbon-based nanometer materials. An anode sheet of the battery is prepared by mixing anode active substances, carbon-based nanometer material graphene / carbon nanotube compound conductive agents, conductive graphene and PVDF according to a certain mass ratio, adopting an NMP as a solvent, conducting pulping by means ofa sand mill with zirconium beads and a vacuum high-speed blender and then coating aluminum foil with obtained pulp. A cathode sheet is prepared by mixing cathode active substances, carbon-based nanometer material graphene / carbon nanotube compound conductive agents, nanoscale conductive carbon black, CMC and SBR according to a certain mass ratio, adopting deionized water as a solvent, conducting pulping and coating a copper foil current collector with obtained pulp. The anode sheet and the cathode sheet are wound with a partition membrane, packaged, injected with liquid, formed by a high-temperature fixture and subjected to air exhaust, volume distribution and the like, and then the quick-charging polymer lithium ion battery is obtained. The volume energy density of the battery is 460 Wh / Lor above, the battery capacity can be charged to 60% or above within 10 min, and the battery has excellent 3C charging performance, great 1C discharging fast-charge cycling performance and remarkable1C charge-discharge cycling performance.
Owner:江西格林德能源有限公司

Combination type full dummy brightness transferring aluminum-plating paper coating and preparing method thereof

ActiveCN101408015AThere will be no phenomenon such as uneven extinctionSimplify the batching processCoatings with pigmentsCoatingsAcrylic resinThermoplastic polyurethane
The invention relates to combination type total matte luster shift aluminum-plated paper paint and a preparation method thereof. The combination type total matte luster shift aluminum-plated paper paint consists of double coating type total matte luster shift aluminum-plated paper paint and separating paint used together with the aluminum-plated paper paint, the double coating type total matte luster shift aluminum-plated paper paint adopts the following components and contents (weight percentage) as raw materials: 6 to 8 percent of solid thermoplastic acrylic resin, 4 to 5 percent of thermoplastic polyurethane resin, 4 to 5 percent of chlorovinyl ether, 0 to 2 percent of nitrocotton, 0.5 to 1 percent of dye, 0.05 to 0.1 percent of auxiliary agent and 80 to 82 percent of solvent. Compared with the prior art, the invention has the following advantages: the batching procedure is simple, the delustering degree is high, the total matte effect of aluminum foil can be reached, and the difficulty that the shift aluminum-plated paper can not be made like matte aluminium-foil paper is solved; the difficulty of the fold foil break of the aluminium-foil card paper is overcome, the cost is lowered; the made products have better printing adaptability and good binding property with paper, aluminum plating luster is soft and simple but elegant, the aluminum plating fastness is good, and the application range is wide.
Owner:SHANGHAI WEIKAI CHEM

Temozolomide lyophilized powder preparation and preparation method thereof

The invention belongs to the technical field of pharmaceutical preparations and specifically relates to a temozolomide lyophilized powder preparation. The temozolomide lyophilized powder preparation comprises an active ingredient of temozolomide or a pharmaceutically acceptable salt thereof, and a solution before lyophilization further contains an excipient, a wetting agent, a buffer agent, an osmotic pressure regulating agent, a pH regulating agent, water for injection and an organic solvent, wherein the organic solvent is selected from one or any combination of ethanol, acetone, isopropanol, n-propanol, butanone, sec-butyl alcohol and methanol, and is preferably ethanol. The temozolomide lyophilized powder preparation provided by the invention has the advantages of stable quality, high re-dissolution speed and a small residual amount of the organic solvent. The invention further provides a method for preparing the preparation. The process provided by the invention is simple and convenient in preparation process and easy to control production links, the organic solvent accounts for a relatively small part of total volume of material liquid, the pollution to production equipment and environment caused by the organic solvent is reduced, and thus the method is suitable for large-scale production.
Owner:QILU PHARMA HAINAN

Lactic acid bacteria fermentation device

The invention discloses a lactic acid bacteria fermentation device, and relates to the technical field of food production. The lactic acid bacteria fermentation device comprises a fermentation mechanism and a batching mechanism, the fermentation mechanism and the batching mechanism are connected through an infusion pump, the batching mechanism can carry out automatic batching, the fermentation mechanism comprises a fermentation tank body, a stirring and cleaning part is fixedly installed at the top of the fermentation tank body, the stirring and cleaning part comprises a fermentation tank cover, fixed guide columns are fixedly connected with the four corners of the top of the fermentation tank cover correspondingly, a lifting plate is slidably connected between the fixed guide columns, anda telescopic air cylinder is further fixedly mounted at the top of the fermentation tank cover. Through the arrangement of the stirring and cleaning part, when the fermentation mechanism completes fermentation, the stirring and cleaning part can be used for stirring yoghourt during fermentation, and meanwhile, after fermentation is completed, the stirring and cleaning part can be used for cleaning the interior of the fermentation tank body, so that the fermentation mechanism is convenient to clean.
Owner:清远一生自然生物研究院有限公司 +1

Low-VOC (volatile organic compound)-content low-temperature-resistant solvent type rubber asphalt waterproof paint and preparation method thereof

The invention relates to low-VOC (volatile organic compound)-content low-temperature-resistant solvent type rubber asphalt waterproof paint, which is prepared from the following raw materials in parts by weight: 90 to 110 parts of asphalt, 5 to 15 parts of softening agents, 10 to 30 parts of SBS, 0 to 3 parts of modifiers, 20 to 40 parts of filling agents and 60 to 80 parts of solvents. The invention also provides a preparation method of the low-VOC-content low-temperature-resistant solvent type rubber asphalt waterproof paint. The low-temperature-resistant performance of a product provided by the invention is obviously improved; the product application range is improved; the product VOC content is reduced; the environment-friendly application effect of the product is obviously improved; the product proportioning time is shortened; the product proportioning temperature is lowered; the heat loss in the product temperature reduction process is reduced; the energy is saved; the emission is reduced; meanwhile, the defects of low dissolution dispersion speed of a high modifier addition of asphalt paint and easy polymerization in long-time modification can be solved; the defect of obvious reduction of performance after the dilution of modified asphalt by a solvent is overcome.
Owner:JINZHOU DONGFANG YUHONG BUILDING MATERIALS

Automatic powder metering system and method

The invention relates to an automatic powder metering system and method. The system comprises a machine frame, a plurality of storage bins, a plurality of metering bins, a plurality of delivery mechanisms, a temporary storage bin and a powder receiving box, wherein a closed graph enclosed by the storage bins is fixed on the machine frame; the metering bins are positioned below the storage bins and communicated with the storage bins through the delivery mechanisms; each metering bin corresponds to every two adjacent storage bins; the temporary storage bin is positioned at the discharge positions of the metering bins; the powder receiving box is arranged at the discharge position of the temporary storage bin; and the metering bins and the temporary storage bin are respectively fixed on the machine frame. According to the invention, when the powder is filled in the storage bins, the powder in the two adjacent storage bins falls into the same metering bin through the corresponding delivery mechanism; and the powder is metered at the discharge position of the metering bin, then directly falls into the temporary storage bin, and finally into the powder receiving box at the discharge position of the temporary storage bin. According to the invention, the storage bins, which form the closed figure, and the metering bins are adopted so as to reduce the occupied land space and improve the discharging speed.
Owner:SUZHOU JINPIN LINE MATERIAL

System and method for adjusting raw material flowing speeds in high-flux preparation of multi-element gradient materials

The invention belongs to the field of material preparation and mainly discloses a system and a method for adjusting raw material flowing speeds in high-flux preparation of multi-element gradient materials such as round tube rods made of materials such as multi-element alloys, resins and glass of which chemical components are in continuous gradient variation along a length direction. The system mainly comprises a PLC (programmable logic controller) control system, raw material granule or powder storage devices, a screw rod conveying pipeline, a raw material mixer, and the like. The device has the advantages of being simple in structure, convenient in operation, easy to control, and the like. According to the device, different raw material storage devices are controlled by the system to continuously convey raw materials into the mixer at continuous and variable speeds, the raw materials from different raw material storage devices are uniformly mixed in the raw material mixer and are continuously fed into a smelting device, and sequential smelting is completed. By adopting the method, continuous gradient material blending of components of materials such as alloys, resin and glass of different components can be achieved, the blending time can be shortened, preparation procedures are simplified, the cost is lowered, and the preparation efficiency of the material is improved.
Owner:UNIV OF SCI & TECH BEIJING

Carbon environmental protecting type burden charging carriage

The invention relates to a carbon environmentally-friendly burden charging carriage which comprises a platform trolley, a fixed support, a collection storage hopper, a feeding opening and a discharge opening. An insulation layer is arranged on the outer wall of collection storage hopper. The feeding and discharge openings are provided with a feeding pushing device and a discharge pushing device. A positioning sensor is respectively arranged at the two ends of the platform trolley; a dust catcher and a control box are arranged at the outer side of the fixed support. The dust collecting mouth of the dust catcher is communicated with the feeding and discharge openings. The invention realizes the wholly confined production of the feeding and discharge of the trolley,. Therefore, the secondary pollution is reduced, the eco-friendly effects of blending are greatly increased, and the probability of incorrect blending and blending time are reduced, thus improving the blending efficiency; at the same time, the insulation layer arranged on the outer wall of the collection storage hopper can reduce the heat loss of raw materials to the minimum, thus increasing the wet ability of the combination of the raw materials and liquid asphalt.
Owner:SHENYANG ALUMINIUM MAGNESIUM INSTITUTE

Petroleum coke high polymer modified asphalt waterproof coiled material and preparation method thereof

The invention discloses an asphalt waterproof coiled material added with petroleum coke as a modifier. The asphalt waterproof coiled material comprises a tire base layer and self-adhesive coating layers arranged on the upper surface and the lower surface of the tire base layer, an upper surface covering layer is arranged above the self-adhesive coating layer on the upper surface of the tire base layer, and a lower surface covering layer is arranged below the self-adhesive coating layer on the lower surface of the tire base layer; wherein the self-adhesive coating layer is prepared from the following components in parts by weight: 35 to 45 parts of 70# to 100# petroleum asphalt; 2-8 parts of SBS thermoplastic elastomer rubber; 1.5-5 parts of SBR butadiene styrene rubber powder; 5-10 parts of base oil; 2-5 parts of a tackifier; 1-3 parts of a silane coupling agent; 10-20 parts of rubber powder; 1-5 parts of petroleum coke; and 20-30 parts of filler. Herein, the petroleum coke is used for partially replacing petroleum asphalt and also serves as an asphalt modifier and filler to improve the stability and weather resistance of the coiled material and improve the plasticity, wear resistance and mechanical strength performance of the coiled material, so that the prepared coiled material is good in tensile strength, high in extensibility and excellent in self-healing performance and waterproof performance. The invention also discloses a preparation method of the asphalt waterproof coiled material.
Owner:鞍山科顺建筑材料有限公司
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