589results about How to "Tightly bonded" patented technology

Intermetal dielectric (IMD) and interlevel dielectric (ILD) that have dielectric constants (K) ranging from 2.0 to 2.6 are prepared from plasma or photon assisted CVD (PACVD) or transport polymerization (TP). The low K dielectric (LKD) materials are prepared from PACVD or TP of some selected siloxanes and F-containing aromatic compounds. The thin films combine barrier and adhesion layer functions with low dielectric constant functions, thus eliminating the necessity for separate adhesion and barrier layers, and layers of low dielectric constant. The LKD materials disclosed in this invention are particularly useful for <0.18 .mu.m ICs, or when copper is used as conductor in future ICs.

The present invention relates to an ecological shell powder inorganic nanometer composite coating material and a preparation method thereof. The ecological shell powder inorganic nanometer composite coating material comprises, by mass, 70-90% of shell powder and 10-30% of a composite glue adhesive, wherein the shell powder contains 1-3% by mass of titanium dioxide nanoparticles and 1-3% by mass of tourmaline powder, and the composite glue adhesive contains 80-90% by mass of water, 3-10% by mass of polyvinyl alcohol, and 0.5-3% by mass of cellulose. According to the present invention, natural shell powder is adopted as a main material, any toxic and hazardous substances are not added, and the ecological shell powder inorganic nanometer composite coating material has functions of indoor toxic gas absorption and decomposition, and has the following characteristics that: construction is simple, shedding due to scrubbing can not be generated, negative oxygen ions can be released for a long time so as to carry out a purification and sterilization treatment on indoor air.

The invention relates to a method for cladding a copper alloy layer on the surface of a steel substrate by laser brazing. A method of feeding powder by argon gas, cladding by laser brazing and vacuum heat treatment is used on a laser machine for cladding a copper alloy layer on the surface of the steel substrate by laser brazing; the laser machine is used for remelting and curing the surface of the steel substrate firstly; and laser beams irradiate in all directions according to the geometric locus of ring steel set by computer programs to enable copper alloy powder and borax powder to be melted and cured on the surface of the steel substrate to form the copper alloy layer. The thickness of the copper alloy layer is 0.5mm; the average microhardness of the copper alloy layer is 375HV0.2 which is 2 times of the average microhardness of the steel substrate; and compared with the steel substrate, the wear resistance of the copper alloy layer is improved by 52.8%, and the corrosion resistance of the copper alloy layer is improved by 45.3%. The method has advanced processes and reasonable parameters; the metallographic structure of the cured and melted layer is compact and firm and can not fall off easily; and the method can be used for cladding alloy layers on the surfaces of steel substrates of various molded surfaces by brazing and can be used for cladding alloy layers on various molded surfaces and special-shaped non-standard molded surfaces, thereby greatly improving the performance of the surfaces of the steel substrates.

A medical adhesive for adhering skin and hemostasis of viscera is prepared from at least two organic compounds chosen from alpha-ethyl cyanoacrylate, alpha-ethoxyethyl cyanoacrylate, alpha-butyl cyanoacrylate and alpha-octyl cyanoacrylate through proportional mixing.

The invention discloses a preparation method for coatings of medical supplies. The preparation method includes a first step of placing the medical supplies into a reaction cavity, and carrying out vacuum treatment on the reaction cavity, a second step of pressing at least two types of precursors into the reaction cavity in sequence in a pulse alternating mode, enabling the pressed precursors to carry out reaction and absorption on the surfaces or the inner walls of the medical supplies, sucking out the redundant precursors and reaction accessory substances, and a third step of repeating the second step until that coatings with needed thickness are deposited on the surfaces or the inner walls of the medical supplies. The invention further discloses the novel medical supplies manufactured through the preparation method. The preparation method can be used for preparing the coatings which are even in thickness, good in biocompatibility, antimicrobial, antiallergic, corrosion resisting, non-toxic, insulated or conductive, fully coated or partially coated, and smooth on the surfaces or the inner walls of any kinds of medical supplies.

The invention, belonging to the technical field of papermaking, relates to a production technology of a composite nonwoven fabric-film dust-free paper, comprising the following steps: using heat bonding non-woven fabrics as bedding, mixing fluffy pulp wood fibers, melt composite fibers and superabsorbent fibers (SAF) in a moulding case and carrying out suction to form a dust-free paper structure, carrying out hot melting on non-woven fabrics, and then carrying out hot bonding on the hot melt non-woven fabrics with the dust-free paper to form a composite structure, coating a polyethylene film through a calender to obtain a composite product, and rewinding to obtain the finished product. The invention has the advantages of high tensile strength of the product, tight bonding of materials, difficult layering of the product after absorbing liquid, product performance assurance, and rapid absorption of a large amount of liquid.

The invention discloses a carbon prebaked anode in aluminum electrolysis industry. The aggregate of the carbon prebaked anode comprises calcined coke, residual anode and raw crushed straw, wherein the calcined coke with a particle size ranging from 3 to 6 millimeters accounts for 10 to 20 percent of the total weight of the aggregate, the calcined coke with a particle size ranging from 0 to 3 millimeters accounts for 30 to 55 percent of the total weight of the aggregate and the 200-mesh calcined coke powder accounts for 20 to 35 percent of the total weight of the aggregate. The formula of the anode does not adopt coarse calcined coke like the formula of the conventional carbon prebaked anode and increases the content of the fine calcined coke and 200-mesh calcined coke powder compared with the formula of the conventional carbon prebaked anode, thereby improving the volume density and compression strength of the anode and reduces the resistivity of the anode.

The invention discloses a photovoltaic tile on a roof and a manufacturing method of the photovoltaic tile on the roof, wherein the photovoltaic tile on the roof integrates the functions of fire prevention, water prevention, decoration and photovoltaic power generation. The photovoltaic tile on the roof comprises a roof tile base material and a photovoltaic decorative layer, wherein the photovoltaic decorative layer and the curved surface of the roof tile base material are bonded into a whole through adhesion agents; the roof tile base material is a clay tile or a ceramic tile or a metal tile or a glass tile or a cement tile; the roof tile base material is coated with high molecular adhesion agents; the photovoltaic decorative layer sequentially comprises a flexible thin film batter assembly, a film layer and a coating layer from interior to exterior. As non-crystalline silicon and other flexible solar photovoltaic thin film batteries are bonded to the surfaces, with the waving feeling, of the ceramic tile, the clay tile, the glass tile and the like through high molecular polymer glue, photovoltaic tiles on roofs which have various complex models, can achieve the function of the photovoltaic power generation and can also keep the shape and color of the tiles on the building roofs can be produced in a factory.

The invention belongs to the technical field of refractory materials, in particular to a high-alumina refractory castable and a preparation method thereof. The high-alumina refractory castable is prepared from the following raw materials in parts by weight: 50-70 parts of high bauxite, 8-13 parts of andalusite, 11-23 parts of floating bead, 15-20 parts of silicon carbide, 10-15 parts of silicon nitride, 7-12 parts of alpha-Al2O3 micro powder, 3-9 parts of silica-alumina colloid powder, 1-5 parts of attapulgite clay, 10-25 parts of calcium aluminate cement, water reducer and aluminium silicatefiber, wherein the water reducer occupies 0.1-0.3% of total mass of the above raw materials, and the aluminium silicate fiber occupies 0.05-0.12% of total mass of the above raw materials. The high-alumina refractory castable has the advantages of high Al2O3 content, light weight, low heat conductivity and high castable strength.

The invention belongs to the field of chemical detection and particularly relates to test paper for rapidly detecting nitrite and a preparation method and application of the test paper. According preparation method, the test paper for rapidly detecting the nitrite is prepared by taking a filter paper body as a carrier, a p-aminobenzene sulfonic acid solution and an N-1-naphthyl ethylenediamine hydrochloride as color developing agents, as well as an ethanol water solution of polyvinyl alcohol as a surface protectant and can be used for detecting the content of the nitrite. The test paper is low in cost, convenient and rapid to use and has long-term stability.

The invention relates to a motor end cover which comprises a metal heat dissipation piece (1) and an injection moulding piece (2), wherein the injection moulding piece comprises a bearing chamber (21) positioned at the center and a positioning clamp opening (22) positioned at the periphery; and the metal heat dissipation piece (1) is embedded between the bearing chamber (21) and the positioning clamp opening (22). The invention has the advantages of simple manufacture, lower cost, higher precision, light weight, high stability and easy heat dissipation.

The invention discloses a grouting method for an ultrathin high polymer cutoff wall, wherein continuous groove holes are constructed and formed in a dam and a foundation required to be turned into anti-seepage and consolidated according to the anti-seepage design requirement of the dam; two-component dilatant high polymer grouting materials are grouted into the groove holes through a grouting pipe; the high polymer grouting materials are quickly dilated after chemical reaction, then fill the groove holes to the brim and are solidified to form high polymer thin slice bodies, and the thin slice bodies in the neighboring groove holes are closely bonded, so as to form the continuous, uniform and regular ultrathin high polymer cutoff wall. The invention is highly distinct from the existing technology of the cutoff wall in aspects as material, mechanism, construction method and the like, has advantages of being quick, ultrathin, mini-wound, light, highly tenacious, economic, durable and the like, is successfully applied to multiple risk-removing consolidating projects of reservoir dams and embankment, and has huge economic and social benefits as well as wide development and application prospects.

The invention provides a controlling method for wrapping the surface of a tire, comprising the following steps: an industrial personal computer (IPC) analog simulates the deformation of rubber pieces in the process of spire piling and the arrangement distribution situation of the each rubber piece in the surface of the tire to obtain spire pitches among each rubber piece; the IPC computes the virtual circle central coordinate and the radius of a wrapper at each loop of the arc of the surface of the tire, and sends a date to a PLC; the IPC respectively computes the arc of the each loop of the arc section of the surface of the tire, the horizontal coordinate of the each loop of the linear section of the surface of the tire and a corresponding theoretical velocity, to form a data table to be sent to the PLC; the PLC computes the real velocity of the wrapper according to the received data table; and the PLC computes to obtain a track coordinate data of the wrapper corresponding at the each loop and finally controls the wrapper to wrap the surface of the tire. The method realizes analog simulation in the process of wrapping the surface of the tire, adjusts the walk track and the walk velocity of the head of the wrapper immediately, and greatly improves the wrapping quality of the surface of the tire.

The invention provides a water-borne sound-insulating damping coating for a ship. According to the water-borne sound-insulating damping coating for the ship, water-borne mixed emulsion is used as film forming matter, inorganic filter is used as main filler, and coating aids are added. The water-borne sound-insulating damping coating for the ship mainly comprises, by weight, 30 parts to 55 parts of water-borne styrene-acrylic emulsion which is of an interpenetrated network structure, 30 parts to 60 parts of the inorganic filler and 20 parts to 40 parts of fire retardants. The water-borne sound-insulating damping coating for the ship is prepared by preparing the water-borne mixed emulsion, adding the filler and the aids, and conducting paint mixing, white mica powder is used as functional damping filler, and blanc fixe is used as functional sound-insulating filler. The water-borne sound-insulating damping coating for the ship has the advantages that the recombination loss factor is high, and the sound insulation coefficient is high; the performance of being rapidly dried at normal temperature can be achieved; the adhesive force to a steel plate is high; the fire retardant property is high, and the shipment use requirement is met; the steel plate is free of rust; the workability is high; no hazardous substances exist, and environmental friendliness is achieved.

The invention relates to a shaking stopping device for a B-type enclosure system of a large-scale LNG ship. The shaking stopping device arranged above the enclosure system is characterized by comprising a lower retainer ring, a laminating flitch arranged in the lower retainer ring, and an upper baffle wedged in the upper part of the laminating flitch, wherein a metallic material is embedded in the laminating flitch; the upper baffle comprises an upper toggle plate and an upper panel; the lower retainer ring comprises a lower toggle plate and a lower panel; a first gap is formed between each of the two lateral sides of the upper part of the laminating flitch and the upper toggle plate; a second gap is formed between each of the left side and the right side of the bottom of the laminating flitch and the lower toggle plate; a third gap is formed between the bottom of the laminating flitch and the lower panel; a fourth gap is formed between each of the front side and rear sides of the laminating flitch and the lower toggle plate; stopping laminating wooden wedge blocks are respectively embedded in the first gap and the second gap, and low temperature resistant epoxy resins are poured in the third gap and the fourth gap. Through the adoption of the shaking stopping device for the B-type enclosure system of the large-scale LNG ship, disclosed by the invention, the structure is simple, the manufacturing is convenient, the situation that liquid cargoes on the ship are evaporated does not occur, the low temperature resistance is good, and the shaking stopping device has a high practical value.

The invention provides a fuel cell sealing assembly. The fuel cell sealing assembly comprises a sealing part and a supporting structure and is used for sealing a fuel cell monomer including a bipolarplate and a membrane electrode, the bipolar plate is provided with a sealing groove, the membrane electrode comprises a proton exchange membrane, the sealing part is arranged in the sealing groove, the supporting structure comprises an upper supporting structure body and a lower supporting structure body, one end of the upper supporting structure body and one end of the lower supporting structurebody form attaching areas for being attached to the upper top face and the lower bottom face of the proton exchange membrane respectively, and the other end of the upper supporting structure body is attached to the other end of the lower supporting structure body to form a sealing area for abutting against the sealing part. The fuel cell sealing assembly is simple in structure and low in production difficulty coefficient and has a good sealing effect, very high economy and practicability. The invention further provides a fuel cell and a sealing method of the fuel cell.

The invention discloses an organic light emitting display panel, a manufacturing method thereof and a display device, the organic light-emitting display panel includes a substrate, a plurality of organic light emitting diode devices located on the substrate, an encapsulation layer located on one side of the organic light emitting diode devices deviating from the substrate, a touch electrode layeron one side of the encapsulation layer deviating from the organic light emitting diode devices, a peripheral circuit on the side of the touch electrode layer facing away from the encapsulation layer,a circular polarizer on the side of the touch electrode layer and the peripheral circuit facing away from the encapsulation layer, and an adhesive layer between the touch electrode layer and the circular polarizer; The touch electrode layer is tightly bonded to the circular polarizer through the adhesive layer in the visible region. The adhesive layer can be a glue material with high viscosity grade, so that the circular polarizer and the touch electrode layer can be tightly bonded in a large range, and there is no gap or bubble in the visible region and the edge position of the visible region, thereby avoiding the light leakage phenomenon of the display panel and improving the display quality.

A tunable lighting source, especially for a microscope, which contains a laser, in which the lighting source delivers spectrally variable and spatially coherent radiation. The tunable lighting source is based on a structured substrate coated with a laser medium, the structured substrate provided with the laser medium having a geometrically variable structure and delivering spatially coherent radiation by energy excitation.