107results about How to "Enhance binding strength" patented technology

The invention relates to a manufacturing method for a semiconductor device, which provides a semiconductor structure. The semiconductor structure is provided with an aluminum welding pad; a passivation layer is arranged on the semiconductor structure and the aluminum welding pad; a photo resist layer is formed on the passivation layer and is schematized to form an opening pattern; the passivation layer on the bottom of the opening pattern is etched and an opening is formed in the passivation layer; the photo resist layer is removed; the bottom and side walls of the opening are washed by aqueous solution containing sulphuric acid and oxyful; the bottom and side walls of the opening are further washed by aqueous solution containing hydrofluoric acid and ammonia. The method can eliminate polymers generated in the process of etching the passivation layer.

The invention discloses a compound medical dressing and a preparation method thereof, belonging to the field of compound medical dressings. The compound medical dressing comprises bacterial cellulose membranes, collagens and crosslinking agents, wherein the collagens are crosslinked on the bacterial cellulose membranes via the crosslinking agents. The preparation method comprises the steps of adding the purified bacterial cellulose membranes to a collagen solution containing the crosslinking agents and enabling the bacterial cellulose membranes and the collagens to carry out crosslinking reaction, thus obtaining the compound medical dressing. The loads of the collagens on the bacterial cellulose membranes and the loading stability of the collagens are improved by using the crosslinking agents, so that the properties of the prepared compound medical dressing are more lasting and stable. The method is simple, is easy to operate and has relatively high practicability.

The invention relates to a method and a device for improving permeability and homogeneity of resin and reducing pores of a prepreg tape. The method comprises the steps of firstly rolling for attaching resin adhesive films to the prepreg tape integrated by fiber bundles by a hot pressing roller so as to allow resin to permeate into the prepreg tape preliminarily; and then assisting in pressing through supersonic vibration by a supersonic vibration compressing device so as to obtain the prepreg tape with good permeability and homogeneity of resin and few pores. The device comprises a bundle integrating device for integrating fiber bundles into the prepreg tape, resin adhesive film rolls are arranged at two sides of the bundle integrating device, and the hot pressing roller for rolling for attaching the resin adhesive films at the upper side and the lower side of the prepreg tape to the prepreg tape, the supersonic vibration compressing device for assisting in pressing the rolled attached prepreg tape through supersonic vibration, and a winding device for winding the prepreg tape pressed by supersonic vibration are sequentially arranged in the outlet direction of the bundle integrating device. The method can effectively improve the permeability and the distribution homogeneity of resin in the prepreg tape and overcome the defect of pores in the prepreg tape so as to greatly improve the quality of the prepreg tape.

The invention discloses a PVC (polyvinyl chloride) production and decoration special-shaped panel filled with regenerated powder coal ash and wheat straw. A core layer of the PVC special-shaped panel is prepared by taking PVC resin, power coal ash and wheat straw broken powder materials with auxiliary raw materials as filling materials, and the core layer wraps a hard PVC layer so as to form a combined special-shaped panel. The invention also discloses a preparation method of the special-shaped panel prepared from thermoplastic plastics filled with the mixture of wheat straw fibers and powder coal ash. According to the technical scheme provided by the invention, wood material consumption is reduced, and the aims of environment protection and resource conservation are achieved; the special-shaped panel prepared by adopting the preparation method achieves the same using and decoration effects with the special-shaped panel prepared in the prior art.

The invention discloses a preparation method of an antibacterial non-woven fabric. The preparation method comprises the following steps that 1, the antibacterial non-woven fabric is prepared from thefollowing raw materials of, in parts by weight, 90-100 parts of PET, 8-10 parts of glycidyl methacrylate grafted polyolefin elastomer and 3-4 parts of modified chitosan; S2, a copolymer is prepared from the PET and the modified chitosan; S3, electrostatic spinning is performed on the copolymer to prepare base cloth; S4, the surface of the base cloth is modified; S5, an antibacterial base cloth isprepared; and S6, surface hydrophilic modification is carried out. According to the preparation method of the antibacterial non-woven fabric, the modified chitosan is added into the raw material, thechitosan is uniformly distributed in the PET matrix, so that the base cloth has good antibacterial performance, quaternary ammonium salt antibacterial treatment is performed on the surface of the basecloth, the antibacterial performance is further improved, and the two reinforcing modes have high washing resistance, so that the non-woven fabric has lasting antibacterial performance; the anti-pollution capability is improved by improving the hydrophilic performance of the non-woven fabric; and the obtained non-woven fabric has wide application value in the field of sewage disposal.

The invention discloses a composition for preparing oil-proof and easy-to-clean paint, related paint, a paint preparation method and a cupboard board preparation method. The composition for preparingthe oil-proof and easy-to-clean paint is prepared from resin raw materials and a perfluoropolymer system; the resin raw materials include fluorination modified resin and mixed solvents; the perfluoropolymer system includes macromolecular perfluoropolymers with the molecular weight of 30000-100000, medium-molecular perfluoropolymers with the molecular weight of 5000-30000 and micromolecular perfluoropolymers with the molecular weight of 1000-5000. The oil-proof and easy-to-clean paint prepared by the preparation method has the advantages of good hydrophobic and oleophobic effect, high wear resistance, high adhesion to paint layers or coatings on the surfaces of wood boards, high hardness, high wear resistance, and high hydrophobic and oleophobic durability.

The invention belongs to the field of high molecular materials, and particularly relates to a modified graphene polylactic acid antibacterial composite material and a preparation method of the composite material. An antibacterial mixture used in the composite material comprises nano silver and nano titanium oxide, and nano zinc oxide capable of improving the optical activity of nano titanium oxide is added, so that an antibacterial property is greatly improved, a nature is more stable, and antibacterial action is more persistent. The composite material fully exerts antibacterial properties of nano silver and nano titanium oxide and a mechanical characteristic of a graphene material, so that a mechanical property of the material is improved under the condition that an antibacterial effect is maximized; and the preparation method is mild in technological condition, and is suitable for industrial production.

The invention discloses fireproof mud used for installation of a power cable, and belongs to the technical field of fireproof mud. The fireproof mud is composed of, by weight, the raw materials of 25-28 parts of condensed polycyclic aromatic hydrocarbon resin, 15-20 parts of epoxy resin, 8-10 parts of chlorinated paraffin, 14-18 parts of clay, 11-13 parts of porcelain clay powder, 7-9 parts of perlite, 6-9 parts of quartz sand, 5-7 parts of bauxite chamotte, 2-4 parts of magnesium hydroxide, 6-8 parts of tributyl citrate, 4-6 parts of ethylene glycol, 7-9 parts of ammonium phosphate, 2-4 parts of antioxidant, 1-2 parts of anti-corrosion agent and 1-3 parts of antistatic agent. The invention further discloses a preparation method of the fireproof mud used for installation of the power cable. The fireproof mud is easy to prepare, environmentally friendly, low in pollution and good in durability, and has the effects of good fire resistance, corrosion resistance, water resistance and static resistance.

The invention relates to a silver nanoparticle-embedded carbon microsphere preparation method. The method is characterized in that oil-tea camellia shells are uniformly dispersed in water, then are subjected to a hydrothermal reaction to obtain the hydro-thermal carbon microspheres, then the carbon microspheres are added in a silver nitrate solution, and the silver nanoparticle-embedded carbon microspheres can be obtained through a solvothermal reaction. The method process is simple, no toxic organic reagent is introduced into a preparation process, silver-carrying amount of the prepared carbon microspheres is large, and the silver nano particles have good dispersion and can be sealed in the carbon microspheres. The silver nanoparticle-embedded carbon microspheres are hopeful to be widely used as a water-purification processing agent, an air filtering agent, and a catalyst and an electrode material.

Disclosed is a preparation method of a silicon negative electrode material of a lithium ion battery. The preparation method comprises the following steps of (1) putting cleaned silicon powder into a mixed solution of metal salt and HF to be subjected to deposition treatment; and (2) finally, performing oxidization treatment on the surface metal modified silicon powder to form an oxide layer on thesurfaces, not covered with metal particles, of the silicon particles, wherein metal salt is silver nitrate, gold potassium chloride, potassium hexachloroplatinate or copper nitrate. By virtue of thepreparation method, conductivity of silicon powder can be improved, the combination strength between silicon particles and a binder can be reinforced, and the cycle performance of the silicon negativeelectrode material can be greatly improved; and in addition, the preparation method is simple in process, low in cost, very suitable for large-scale industrial production and expected to accelerate development of the silicon-based negative electrode material of the lithium ion battery.

A trichromatic field-emission display is disclosed to include a cathode plate, three cathode electroluminescent phosphor screens and an anode plate, the anode plate having a transparent oxide thin film bonded to the photo gate electrode thereof, electron sources emitted by the photo gate electrode of the cathode plate striking the cathode electroluminescent phosphor screens to cause change of the electric field in the gap between the cathode plate and the anode plate. The cathode electroluminescent phosphor screens are made of an excitable rare earth element, assuring high stability and uniformity of luminous brightness when excited by an electron beam.

The invention discloses instant potato noodles and a production method. The instant potato noodles are prepared from raw materials in parts by weight as follows: 100-130 parts of potatoes, 60-80 partsof table salt, 0.2-1 part of astragalus polysaccharide, 0.2-0.8 part of lycium barbarum polysaccharide, 0.2-0.5 part of a hawthorn fruit extract and 15-30 parts of a carrot extract. The production method of the instant potato noodles comprises five steps as follows: dough kneading, nitrogen cooking, vacuum frying, centrifugal oil removing and drying under reduced pressure. The prepared high-nutrition instant potato noodles have the advantages that the instant potato noodles taste smooth, nutrition can be absorbed easily, the fat content is low, the soaking time is short, the noodle cake cannot break easily, and the human immunity can be enhanced.

The invention discloses a method for preparing water permeable bricks based on coal gangue, belonging to the field of water permeable bricks. According to the method, the coal gangue having adhesive property is melted at the high temperature in the carbon dioxide atmosphere; under the action of high temperature, the formed sodium metaaluminate reacts with carbon dioxide, so that sodium hydrogen carbonate is produced; sodium hydrogen carbonate is further decomposed by heat so as to produce sodium carbonate, and pore-forming is carried out, so that the porosity is increased; furthermore, the adsorbed lignin, cellulose and the like are thermally decomposed, so that the pores are protected; then, particles and cryolite powder are added, mixed and calcined, and the melting point of the mixtureis lowered by means of the cryolite powder; in a calcining process, a serpentine structure is destroyed, and magnesium-like olivine is formed, so that the porosity is increased, and the strength is improved; furthermore, silica in the calcined product reacts with the sodium carbonate so as to form sodium silicate, so that the bonding strength between the substances is improved, and the compressionresistance and the breaking strength are improved. The method solves the problems of high production cost and low compressive strength of the existing water permeable bricks.

The invention relates to structural design of a shell and discloses a double-shot injection moulding shell and an injection mold. The double-shot injection moulding shell comprises a first plastic layer and a second plastic layer combined with each other, wherein a first combining surface of the first plastic layer is provided with at least one first convex block; a second combining surface of the second plastic layer is provided with a first concave groove corresponding to the first convex block; the first plastic layer and the second plastic layer are combined through the first combining surface and the second combining surface; the first convex block is tightly embedded in the first concave groove. Therefore, the combining area of the two plastic layers of the double-shot injection moulding shell is increased to enable the combination of the two plastic layers to be firmer and prevent the two plastic layers from stripping.

The invention provides a composite diaphragm and an electrochemical device, the composite diaphragm comprises a polymer film and a functional coating arranged on at least one surface of the polymer film, and the functional coating comprises inorganic particles and organic particles; the particle size D901 of the inorganic particles and the particle size D902 of the organic particles meet the following conditions: 0.01 * D902 < = D901 < = 0.5 * D902, and D901 is the particle size of the inorganic particles reaching 90% of the volume accumulation from the small particle size side in the volume-based particle size distribution, and D902 is the particle size of the organic particles reaching 90% of the volume accumulation from the small particle size side in the volume-based particle size distribution. D902 is that in volume-based particle size distribution, the particle size of the organic particles reaches 90% of volume accumulation from the small particle size side. The composite diaphragm has excellent heat-resistant shrinkage performance and interface bonding performance, and can give consideration to high energy density and high safety of an electrochemical device when being applied to the electrochemical device.

The invention discloses a flexible organic light emitting diode and a method for manufacturing the same. The flexible organic light emitting diode comprises a flexible substrate, an anode layer, a second buffer layer, a hole transport layer, a light emitting layer, an electron transport layer, an electron injection layer and a cathode layer which are sequentially stacked on one another. The anode layer is made of metal materials, and a first buffer layer which is used for increasing binding force between the flexible substrate and the anode layer is further arranged between the flexible substrate and the anode layer and is made of silicon monoxide, zirconium dioxide or titanium dioxide. The flexible organic light emitting diode and the method have the advantages that the anode layer is made of the metal materials, so that surface resistance of the anode layer can be reduced; the first buffer layer is arranged between the anode layer and the flexible substrate and can increase the binding force between the flexible substrate and the anode layer, so that the anode layer can be prevented from dropping off from the flexible substrate, and the light emitting stability of the finally manufactured light emitting diode can be improved; a process for manufacturing the flexible organic light emitting diode is simple and is easy to implement.

The invention relates to a manufacturing method of a plastic oscillator. According to the method, due to the change of the annealing mode, the oscillator body obtained by injection molding is high inflatness; the combination degree with the reflecting plate is improved; due to the optimization of the roughening process, the stripping resistance of the electroplated layer of the oscillator body ishigh, the bonding force and the damage resistance of the oscillator body and the reflecting plate are obviously improved due to the improvement of the structure of the feed pin for communicating theoscillator body and the reflecting plate, the reliability and the stability of the product are greatly improved through the measures, and the high requirement of product performance is met. On the other hand, the flatness of the oscillator body is improved, and the electrical property of the antenna oscillator is obviously improved through the arrangement of the rack plating holes. In addition, according to the method, the existing process is simplified, the cost is saved, and the product form is further generated and manufactured in a module form.

Disclosed is an electrode active material including nanostructures including boron-doped alumina. An electrode including the nanostructures, an energy storage device including the electrode, and a method of preparing the electrode active material are also disclosed.

The present invention relates to a method for preparing substrate-molecular sieve layer complex by vising ultra-sound and apparatuses used therein, more particularly to a method for preparing substrate-molecular sieve layer complex by combining substrate, coupling compound and molecular sieve particle, wherein covalent, ionic, coordinate or hydrogen bond between a substrate and a coupling compound; molecular sieve particle and coupling compound; coupling compounds; coupling compound and intermediate coupling compound is induced by using 15 KHz-100 MHz of ultrasound instead of simple reflux to combine substrate and molecular sieve particles by various processes, further to reduce time and energy, to retain high binding velocity, binding strength, binding intensity and density remarkably, to attach molecular sieve particle uniformly onto all substrates combined with coupling compound selectively, even though substrate with coupling compound and substrate without coupling compound exist together; and apparatuses installed therein, which can improve to produce substrate-molecular sieve layer complex ina large scale.

The invention discloses a rigid polyurethane-coated polyethylene-twisted prefabricated directly-buried insulation pipe. The rigid polyurethane-coated polyethylene-twisted prefabricated directly-buriedinsulation pipe sequentially comprises a steel pipe body, a polyurethane insulation layer, a rare earth connecting layer and an outer protective layer from inside to outside. A preparation method ofthe rigid polyurethane-coated polyethylene-twisted prefabricated directly-buried insulation pipe comprises the following steps that S1, polyurethane is foamed; S2, curing is carried out; S3, the surface of the polyurethane insulation layer obtained in Step S2 is coated with nano rare earth mixed powder to obtain the rare earth connecting layer; S4, high-density polyethylene is molten and plastified to extrude a belt film which continuously wraps the surface of the rare earth connecting layer obtained in Step S3 so as to form the high-density polyethylene protective layer; S5, grinding is carried out through a rubber roller; and S6, water cooling is carried out to obtain the prefabricated directly-buried insulation pipe. Compared with the prior art, the prefabricated directly-buried insulation pipe is good in long-term temperature resistance, uniform in density, low in shrinkage rate and good in stability.