69results about How to "Full liquidity" patented technology

The invention discloses a high-reflectivity photovoltaic module packaging film. The high-reflectivity photovoltaic module packaging film with a surface pre-crosslinked structure is prepared by the following steps: pre-mixing transparent resin with a high-reflectivity additive and other functional accessories, carrying out melting extrusion, film casting and surface pre-crosslinking treatment, and coiling. By adding the high-reflectivity additive, the ultraviolet-resistance performance of the film can be improved, and meanwhile, the utilization rate of a module on sunlight is enhanced, and therefore the effects of improving the service life and photoelectric conversion efficiency of the module are achieved; meanwhile, by virtue of the surface pre-crosslinked structure, the high-reflectivity layer film can be effectively prevented from overflowing during a photovoltaic module laminating process and the appearance of the module is effectively improved; the packaging film is universal for various laminating processes.

The invention discloses an electroplating method for a PCB plate and an apparatus. The method comprises: a preparation step comprising immersing the PCB plate in a plating solution of a plating bath in a way that a plate surface is perpendicular to a liquid surface, wherein a first side of the PCB plate has a first side nozzle set and a second bottom nozzle set, and a second side of the PCB plate has a second side nozzle set and a first bottom nozzle set; and a jet flow processing step, wherein a first nozzle group composed of the first side nozzle set and the first bottom nozzle set and a second nozzle group composed of the second side nozzle set and the second bottom nozzle set cyclically and alternately jet for predetermined times. The electroplating method for the PCB plate and the apparatus provided by the invention utilize a technical means that two nozzle groups cyclically and alternately jet. A relatively large negative pressure is generated at two sides of the holes of the PCB plate due to different flow rates of the plating solution. A flow effect of the plating solution is relatively full, an exchange capability is relatively strong, and a deposition speed of copper ions is increased, thereby improving a throwing power so that a thickness of electro-coppering is enough and uniform.

The invention relates to a hot pressing method of a high-density chromium target. The method comprises the following seven sequential steps: vacuumizing, staged temperature and pressure increasing, pressure preserving furnace cooling, hot forging, annealing, hot rolling and machining. Through rationally designed process steps, stable technical parameters are selected so that the purpose of manufacturing the large-sized high-density chromium target at low cost is achieved.

Provided are a polybutylene terephthalate resin composition having sufficient fluidity to be molded as thin-walled during molding and having excellent flame retardancy even when molded as thin-walled, and an injection-molded article obtained using this resin composition. A polybutylene terephthalate resin composition containing 20 to 65 total parts by mass of (B) brominated epoxy flame retardant and/or brominated acrylate flame retardant, 10 to 30 parts by mass of (C) antimony flame retardant auxiliary, 3 to 15 parts by mass of (D) talc, and 1 to 10 parts by mass of (E) polyvalent hydroxyl group-containing compound having a hydroxyl value of 100 or higher per 100 parts by mass of (A) polybutylene terephthalate resin having an intrinsic viscosity of 0.70 to 1.00 g/dL; and an injection-molded article having a 0.2 to 0.5-mm-thick thin-walled portion in at least one portion obtained by injection-molding this resin composition.

The invention relates to a method for fabricating a polyurethane tire, and discloses a method for fabricating a casting-type polyurethane elastomer tire. The method comprises the following steps: preparing materials, coating, pre-treating a mold, preheating, assembling, casting, primarily hardening and secondarily hardening. By adopting the technology disclosed by the invention, polyurethane can be tightly bonded with a wheel core surface by expanding the molecular polarity; the wheel core surface is coated; the wheel core surface is coated with a material comprising per 1kg of an adhesion agent and 1.2-1.8kg of methyl ethyl ketone (MEK) coating; the relatively great matching is generated between the polyurethane and a wheel core; the bonding strength is improved; the polyurethane and a hardening agent are cast into the mold according to the ratio of 100:(10-100):15 by weight percent in the casting process; the cast mold is hardened twice, so that the polyurethane is full in liquidity in the casting process, and air bubbles are prevented from being formed on the wheel core surface, the adhesion reduction is reduced, and the degumming is avoided.

The invention relates to the technical field of block chains, and discloses a decentralized transaction method and device based on a block chain and an electronic device. The decentralized transactionmethod based on the block chain is applied to a block chain server, and comprises the following steps: when a transaction request initiated by any first account in the block chain based on an intelligent contract is detected, sending the transaction request to an off-chain server of the block chain, so that the off-chain server performs matching; and receiving a matching result returned by the off-chain server for the transaction request, and performing on-chain transaction through the smart contract according to the matching result. According to the method, asset trusteeship, asset clearingand the like are executed on the block chain, not only is the security of the digital assets of the user ensured, but also each transaction is recorded on the block chain and displayed to all the users, so that the whole transaction process is public and transparent, the privacy of the users is not leaked excessively, and the transaction is carried out on the premise of ensuring the user information.

The invention discloses a four-ledge zigzag dynamic variable-gap internal mixer rotor. The internal mixer rotor comprises a rotor body, wherein four ledges are arranged on the rotor body and comprise two long ledges and two short ledges; the ledges spirally extend from two ends of the rotor body to the middle of the rotor body; each ledge comprises an initial end and a tail end; a plurality of tooth grooves are formed in the top of each ledge; widths of the tooth grooves of each ledge are not changed in the direction from the initial end to the tail end; and distances among the tooth grooves are gradually reduced. The four-ledge zigzag dynamic variable-gap internal mixer rotor has the beneficial effects that the tooth grooves are formed in the ledges of the internal mixer rotor, circumferential flowing of rubber is changed, and distributing and dispersing of various packing and ingredients are facilitated; and the number and the distribution density of the tooth grooves are increased along with increasing of circumferential flowing speed of the rubber, the effect of mutual kneading of the lump-shaped rubber among the ledges is improved, so that flowing of the rubber in a mixing chamber is disordered, and rubber mixing quality and rubber mixing efficiency are improved.

The invention belongs to the technical field of metal welding and relates to a friction-stir welding device applied to a numerically-controlled machine tool. Positioning modules are mounted on a clamping module to jointly realize positioning and clamping functions along with the clamping module. A welding operating module is mounted on a spindle of the numerically-controlled machine tool to realize rotating and linear motion, and a driving module drives the clamping module to move. A direct-current loading module is positioned on the welding operating module. Magnetic field loading modules aremounted in the welding operating module and the clamping module, and welding of parts is finally realized. The friction-stir welding device has advantages that novel structure, simplicity, high universality and quickness in reaction are realized, and sheets different in size and thickness can be welded; weld joints in different shapes can be welded by the friction-stir welding device used with the numerically-controlled machine tool, and a welding direction and the horizontal plane always form a 2-degree inclination angle in a welding process to realize complete fluidity of weld joint materials; short-distance high current loading and magnetic field loading can be realized so as to achieve excellent weld joint performances.

The invention discloses a six-ridge serrated dynamic variable-gap internal mixer rotor which comprises a rotor body. Six protruded ridges are arranged on the rotor body, include three long ridges and three short ridges, spirally extend from two ends of the rotor body to the middle of the rotor body and comprise starting ends and finish ends; a plurality of tooth spaces are respectively arranged on ridge tops of the protruded ridges, the difference of the widths of the tooth spaces on each protruded ridge keeps unchanged in the direction from the starting end to the finish end of the protruded ridge, and the distances among the tooth spaces on each protruded ridge are gradually shortened in the direction from the starting end to the finish end of the protruded ridge. The six-ridge serrated dynamic variable-gap internal mixer rotor has the advantages that the tooth spaces are additionally arranged at the protruded ridges of the six-ridge serrated dynamic variable-gap internal mixer rotor, accordingly, peripheral flowing of rubber materials can be changed, and the six-ridge serrated dynamic variable-gap internal mixer rotor is favorable for distributing and dispersing various fillers and compounding ingredients; the quantities and the distribution density of the tooth spaces are increased along with increase of the peripheral flowing speeds of the rubber materials, accordingly, effects of masticating the lump-shaped rubber materials among the ridges can be enhanced, the rubber materials can flow in internal mixing chambers chaotically, and the rubber mastication quality and the rubber mastication efficiency can be improved.

The invention relates to an anti-mud additive suitable for machine-made sand concrete and a compounding method thereof. The anti-mud additive comprises the following components in parts by weight: 30-50 parts of a lignosulfonate water reducing agent, 20-35 parts of a viscosity reduction type polycarboxylic acid water reducing agent, 0.2-0.25 part of a defoaming agent and 20-45 parts of water. Thecompounding method specifically comprises the following steps: mixing and compounding the mud-resistant admixture and the machine-made sand concrete, wherein the performance of the machine-made sand concrete can be changed by changing the adding sequence of the lignosulfonate water reducing agent. Compared with the prior art, the anti-mud additive can be used for improving the mud resistance of the machine-made sand concrete, and the cohesiveness and compressive strength of the machine-made sand concrete can be remarkably improved.

The invention discloses an air conditioner. The air conditioner comprises a shell body, the shell body is provided with a first air supply assembly and a second air supply assembly, the farthest air supply distance of the first air supply assembly is larger than the farthest air supply distance of the second air supply assembly; the first air supply assembly comprises a first air outlet, and the second air supply assembly comprises a second air outlet. According to the air conditioner, the first air supply assembly and the second air supply assembly are arranged on the shell body of the air conditioner, the first air supply assembly and the second air supply assembly can achieve air supply flow with different air supply distances, the two air supply flows can form an air outlet effect of surrounding air in a room, so that indoor air flow can flow and transfer heat completely, the temperature of different areas in the room can be quickly adjusted, and then the comfort level of use of auser can be improved.

The invention relates to a woody material resinification, especially to a method for manufacturing a woody formed article and the woody formed article which is characterized by a reduced odor and a low water absorption ratio of a woody material resinification topic. The invention relates to the method for manufacturing the woody formed article which shows an adhesivity or a thermal flow property in the woody article and the woody formed article. After the moisture percentage of the woody material is regulated, the cooking treatment to a woody tissue by contacting a heated aqueous vapor can reduce the water absorption ratio and the odor from a formic acid or an acetic acid to minimum.

The invention provides a high-multilayer circuit board and a manufacturing method thereof, and belongs to the technical field of a circuit board. In the scheme, 106 prepregs and 1080 prepregs are utilized to realize interlayer prepreg combined design, and the high-multilayer circuit board formed like such has a special laminated composite structure with high resin content, thereby improving interlayer glue filling amount, enabling the resin to be able to fully flow and cured, improving heat resistance and insulation of the high-multilayer circuit board and effectively solving the problems of interlayer mismatch (board slip), delamination, resin cavity and bubble residual and the like in the laminating process.

The invention relates to a method for reducing axial conduction of a cool storage material of a heat regenerator of a regenerative cryo refrigerator. When filling the cool storage material of the heat regenerator of the refrigerator, heat barriers made of the heat-insulating material are placed in a barrel of the heat regenerator at certain distance intervals, the cool storage material of the heat regenerator is separated into several thermally-unconnected sections, the middle part of each heat barrier is provided with small holes distributed evenly and densely, which has no influence on the reciprocal flow of the working medium in the heat regenerator, and the local part of each heat barrier is provided with small holes arranged regularly, which facilitates the heat exchange of the working medium and the cool storage material. The heat resistance of the heat barrier is more than 40 times of the heat resistance of the cool storage material of the heat regenerator having the same thickness, which has little influence on the heat efficiency of the heat regenerator. The invention reduces the axial conduction of the heat regenerator of the refrigerator effectively, ensures a directional and unblocked flow path of the working medium gas without any gas hold-up, and increases the effective refrigerating output and efficiency of the refrigerator. The method can be applied to a variety of regenerative cryo refrigerators.

An epoxy resin composition for encapsulating a semiconductor chip, which has good flowability without deterioration in curability. Specifically, a resin composition is disclosed for encapsulating a semiconductor chip containing a phenol aralkyl type epoxy resin containing biphenylene structure(A), a phenol aralkyl type resin containing phenylene or biphenylene structure (B), an inorganic filler (C) and a curing accelerator (D) as main components, further containing a silane coupling agent (E) in 0.01 wt % to 1 wt % both inclusive of the total amount of the epoxy resin composition and a Compound (F) containing two hydroxyl groups combined with each of adjacent carbon atoms on a naphthalene ring in more than or equal to 0.01 wt % of the total amount of the epoxy resin composition.

The invention provides a box-type annealing furnace, which comprises a hollow heat insulation layer, a bracket and a heating wire which are installed in the hollow part of the heat insulation layer, and a circulation fan installed on one side of the heat insulation layer, wherein a gas transmission component is installed on one side of the heat insulation layer. The box-type annealing furnace hashigh annealing efficiency, good thermal insulation performance and strong air circulation performance, the temperature and humidity inside the annealing furnace can be monitored in real time and effectively controlled so as to solve the problems such as incomplete annealing and excessive moisture inside the furnace, can further reduce the corrosion and loss caused to workpieces and improve the quality of products, and saves the cost of use.

The invention discloses a corrugated carton gluing device. The device comprises an inner charging barrel; the outer portion of the inner charging barrel is fixedly wrapped with an outer heat preservation cover; the middle position of the bottom of the inner charging barrel is fixedly communicated with a conveying pipe; hot water electric heating pipes are fixedly mounted at the left part and rightpart of the bottom of the outer heat preservation cover; a water incoming pipe and a first blow-off pipe are fixedly communicated with the upper part and lower part of the left side of the outer heatpreservation cover; and the bottom of the inner cavity of the inner charging barrel is vertically, fixedly and hermetically communicated with a plurality of stainless steel pipes which are distributed in an equal-pipe-diameter mode;. According to the device of the invention, the bottom of the inner cavity of the inner charging barrel is vertically, fixedly and hermetically communicated with the plurality of stainless steel pipes distributed in an equal-pipe-diameter mode; the outer heat preservation cover, the hot water electric heating pipes and the multiple stainless steel pipes are adopted, so that glue in the inner charging barrel is fully heated, and therefore, sufficient fluidity is guaranteed; water temperature is controlled to be about 60 DEG C; after the multiple stainless steelpipes are filled with the hot water, the heating area of the glue in the inner charging barrel is increased, and therefore, the heating effect of the glue is guaranteed, and the glue can better flow naturally.

The present invention provides an adhesion sheet, which comprises, by mass, 25-65 parts of a matrix resin, 20-60 parts of a fiber reinforcement body, 10-40 parts of a filler, and 0-15 parts of a flameretardant, wherein the matrix resin comprises, by mass, 20-70 parts of modified polyphenylene ether, 30-70 parts of a polydiolefin type polymer, and 0-5 parts of an initiator. The present invention further provides a preparation method of the adhesion sheet, and a copper clad laminate using the adhesion sheet. According to the present invention, the heat resistance of the adhesion sheet and the copper clad laminate can reach more than 200 DEG C, such that the problems of defects, delamination and the like generated in the processing of the multilayer copper clad laminate due to insufficient heat resistance of the adhesion sheet can be solved; the fluidity of the adhesion sheet is maintained at 5-15%, such that the sufficient flowing and filling of the resin in the preparation process of the multi-layer copper clad laminate can be ensured, and the quality and the batch stability of the product can be ensured; and the cured adhesion sheet has low dielectric loss so as to meet the needsof the future high frequency field.

The present invention provides a hard polyurethane foam and a premixed dolichol for manufacturing the same. The invention aims to improve mobility of carbamate raw material (premixed dolichol) and adjust the reactivity. The hard polyurethane foam is sufficiently filled into a heat insulation door of a refrigerator and narrow parts in a box, thereby improving heat insulation performance of the heat insulation door and the box of the refrigerator, and reducing shrinkage of the formed carbamate foam under low temperature. The method for settling the task of the invention is providing the hard polyurethane foam which utilizes the premixed dilichol and polymethylene diisocyanate, wherein the premixed dilichol comprises dilichol, catalyst, water, cyclopentane and foam stabilizer. 30-80% by weight of the dolichol is a behnyl alcohol with 4-8 active hydrogen groups and/or a polyol compound with added oxyalkylene on polyamine. When the absorption spectrum peak intensity of 1700-1720cm<-1> infrared ray of the hard polyurethane foam is represented by A1, and the absorption spectrum peak intensity of 1590-1610cm<-1> infrared ray is represented by A2, a ratio A1/A2 is 1.7-2.0.

The invention discloses anti-yellowing comprehensive accelerator pre-dispersion rubber masterbatch particles for rubber. The particles are prepared from, by weight, 8-15 parts of rubber matrix, 50-60 parts of thiazole accelerator, 5-10 parts of dithiocar-bamate accelerator, 8-15 parts of brightening agent, 8-12 parts of softener, 1-3 parts of processing agent, 1-4 parts of antioxidant, 4-8 parts of filler and 1-3 parts of physical protective agent. A preparation method includes the steps of firstly, conducting mixing, wherein certain ratios of thiazole accelerator, dithiocar-bamate accelerator, brightening agent, softener, processing agent, anti-ageing agent, filler and physical protective agent are put in an internal mixer to be mixed for about 30 seconds, rubber matrix is added, the temperature is 50-65 DEG C, and time is 8-12 minutes; secondly, conducting granulating, wherein the materials are sent into a granulator to be granulated after being mixed. The pre-dispersion rubber masterbatch particles have the advantages of being easy to disperse, free of pollution, high in machinability and the like when used for preparing rubber materials, and the anti-yellowing effect of rubber is quite good.

The invention provides water-based dry-sticking split leather transfer-film leather and a preparation method thereof.The preparation method comprises the steps that auxiliaries such as a water-based wetting agent, a curing agent and a thickening agent are added into water-based polyurethane resin, a surface material, an intermediate material and a dry-sticking sticking material of the water-based polyurethane resin are prepared through stirring, a surface layer is firstly scraped on release paper through a dry-method transfer-film technology, then the surface layer is scraped on the release paper through a dry-method transfer-film technology, and the dry-sticking sticking material is scraped on the release paper through a dry-method transfer-film technology; the water-based dry-sticking split leather transfer-film leather is prepared by the following steps of: drying the release paper, scraping a middle layer after drying, scraping a dry-sticking sticking layer after drying, drying to be transparent at high temperature, sticking with split leather under the pressure of 3-5kg, attaching a PET (Polyethylene Terephthalate) film, rolling, curing in a greenhouse, and stripping the release paper and the PET film, thereby obtaining the water-based dry-sticking split leather transfer-film leather. The obtained water-based dry-sticking split leather transfer-film leather can be applied to the field of sneaker leather, is high in peel strength, resistant to bending at normal and low temperatures and resistant to jungle hydrolysis, can improve the additional value of split leather, is comparable to first-layer leather, can effectively and uniformly permeate a dry-sticking layer according to the compaction degrees of different leather blanks, guarantees stable peel strength, and has a good application prospect. The method is suitable for large-scale mass production.

The invention discloses a cement-based capillary crystalline material and a preparation method thereof. The cement-based capillary crystalline material is prepared from the following raw materials in parts by weight: 40-55 parts of cement, 28-30 parts of quartz sand, 3-8 parts of calcium hydrophosphate, 1-3 parts of sodium silicate, 6-12 parts of hydrated calcium silicate nanocrystal nucleus suspension and 2-6 parts of amino-terminated polyethylene glycol. The waterproof and anti-seepage performance of the concrete structure is improved while the compression resistance and fracture resistance of the concrete are guaranteed.