1202results about How to "High mechanical strength" patented technology

The invention provides a method of treating of a well, a formation, or both, with the solids, liquids, or apparatuses, by 1) encasing said solids, liquids, or apparatuses in a water-soluble shell, 2) conveying said encased solids, liquids, or apparatuses to a predetermined location in the well, and then 3) allowing the water-soluble shell to dissolve in the aqueous phase in the wellbore. The shell is preferably made of water-soluble polyvinyl alcohol copolymers and a waterproofing agent. The shell encases a variety of solids, liquids, or combinations thereof, where said solids or liquids are useful in the treatment of the well or of the producing formation. Illustrative encased material includes soap, acid, corrosion inhibitors, chelating agents, scale inhibitors, mutual solvents, paraffin inhibitors, paraffin dissolvers, clay stabilizers, and tracer materials. The encased materials may also be apparatuses, such as a prefabricated screen completion or a prefabricated sand-pack. The tool used to deliver the apparatuses may also be made from a water-soluble polyvinyl alcohol copolymer.

Provided is a polymer compound having a furan ring having a degree of polymerization of 185 or more and 600 or less. This polymer compound has excellent mechanical strength (flexural strength).

The invention features materials and methods for the liquid to solid transition of an injectable pre-hydrogel composition to a hydrogel. These methods can be carried out in situ.

Provided is an organic EL apparatus including: an organic EL panel including organic EL devices; a heat releasing member; and a pair of film sheets of which at least one is transparent, wherein the organic EL panel and the heat releasing member overlap and are interposed and encapsulated by the pair of film sheets in a state where a portion of the heat releasing member is exposed outside the pair of film sheets.

A multi-element probe comprising: a probe body comprising: a plurality of probe elements, each having a surface suitable for making electrical contact with a tissue of a subject; and an interface, comprising a conductive material, covering the probe-element surfaces, suitable for providing an interface between the elements and the tissue.

The invention provides a composite solid electrolyte membrane, a preparation method and a lithium-ion battery. The composite solid electrolyte membrane comprises a porous support material, first compound adhesive layers coating two side surfaces of the porous support material, and second compound adhesive layers coating the first compound adhesive layers, wherein the inorganic proportion of the second compound adhesive layers is smaller than that of the first compound adhesive layers. The porous support material is added to the electrolyte membrane, so that the flexibility of the membrane is ensured, the mechanical strength of the membrane is strengthened, the interfacial compatibility can be improved by the electrolyte membrane of a sandwich structure and the cycle performance of the battery is improved.

The invention relates to a felt material comprising at least one felt layer and an absorbing layer, to a method for producing the felt material, and to the use of the felt material in textiles, shoes, technical application or medical applications. The felt material according to the invention has the advantages of conventional felt materials regarding the warming and damping properties and is permeable to air in the dry state. Due to the special design, however, it is waterproof in the wet state and thus it is suitable for sealing many materials. The felt material according to the invention binds more humidity or binds water in a different way than common felt materials.

The present invention provides a glass composition that has excellent heat resistance and ion exchange ability and can be provided with high strength by a chemical strengthening treatment through an ion exchange. This glass composition includes, in terms of mass %: 59 to 68% of SiO₂; 9.5 to 15% of Al₂O₃; 0 to 1% of Li₂O; 3 to 18% of Na₂O; 0 to 3.5% of K₂O; 0 to 15% of MgO; 1 to 15% of CaO; 0 to 4.5% of SrO; 0 to 1% of BaO; 0 to 2% of TiO₂; and 1 to 10% of ZrO₂. The glass composition of the present invention is suitable for a glass substrate for magnetic recording media and also can be formed as a chemically strengthened glass article through an ion-exchange treatment.

The present invention provides a composite ion exchange membrane which has high mechanical strength and is suitable for use as a solid polymer electrolyte membrane excellent in ionic conductivity and a method for its production. The invention is achieved by a composite ion exchange membrane including a composite layer comprising a support membrane with continuous voids formed of polybenzazole polymer, the support membrane being impregnated with ion exchange resin, and surface layers formed of ion exchange resin free of support membranes, the surface layers being formed on both surfaces of the composite layer so as to sandwich the composite layer therebetween.

The invention is directed to compositions and methods for enhancing the mechanical strength and dimensional stability of composite boards and structures.

An apparatus for applying an optional number of weight disks on a dumbbell includes a base unit, a first and second set of separate weight disks and a handle. The base unit has a first and second group of retainers which support the first and second set of weight disks. On the handle, a selectable number of weight disks are disposed from the first and second set of weight disks. The weight disks have openings which are closed towards the peripheries of the weight disks. The handle has pin devices which are axially projectable in opposing directions for insertion in the openings of the weight disks. The projection of the pin devices out of the handle is selectable for adaptation of the length of the pin device to the number of weight disks that are to be secured on the handle. The pin devices are further lockable with locks, in selected projectional positions in relation to the handle, and have, on their free ends, locks for fixedly retaining the selected number of weight disks.

The invention relates to a preparation method of impact resistant polycarbonate, and belongs to the technical field of high-molecular materials. The preparation method comprises the following steps: taking calcium fatty acids, heating, adding monox powder and glass fiber, uniformly mixing, and obtaining modified powder after cooling; initially mixing the modified powder and polyvinyl in a mixing machine, adding ethylene bis stearamide and chlorinated polyethylene, uniformly mixing after heating, and cooling to the room temperature to obtain a precast body; uniformly mixing the precast body, polycarbonate, butanediol diacrylate, an anti-oxidant, a silicane coupling agent and a lubricant to obtain a mixture; feeding the mixture into a double screw rod extruding machine for extrusion pelletization. According to the polycarbonate material provided by the invention, the monox particles are prepared into the precast body through the pre-wrapping method, and then the precast body and PC are subjected to extrusion, so that the mechanical strength is improved.

The disclosed preparation technique for inorganic salt/ceramic-base high-temperature phase- change energy-storage material comprises: first, preparing the porous ceramic precast body with three-dimensional connected ultrastructure; heating the phase-change potential heat heat-storage inorganic slat material to full fusion in normal-pressure resistance furnace, dipping the precast body rapidly into the fused material; finally, cooling to room temperature, taking surface desalination treatment. Wherein, as the well wettability and capillary tension effect, the inorganic salt will unprompted infiltrate into the precast body. This invention simplifies process, and improves heat exchange efficiency greatly.

The invention discloses a preparation method of an antibacterial composite film material and relates to the field of plastic thin films. The preparation method comprises the following five technical processes: mixing raw materials; preparing polyamide acid/a precursor; laying a film; preparing a composite thin film; drying the composite thin film. In the preparation method, sol is prepared by adopting a hydrothermal method; the step of converting hydroxide into oxide by calcination in a wet chemical method, which is easy to form hard agglomerates, is avoided; time is saved; efficiency is improved; the preparation effect is good; no other impurities or derived substances are generated; in the process of laying the film, by strictly controlling the temperature and the heat preservation time in an oven, the thin film generating speed is high and the thin film has good quality and high mechanical intensity and is difficult to break by pulling; in the final drying technical process, the prepared composite thin film has excellent performance, adopts a local netty distributed structure, has excellent physical performance and dielectric property, has an obvious corona resistance effect, completely meets the requirements on insulating property of a cable in the electric power industry, and has long service life and good production process stability.

A method of manufacturing a casing of an electronic device is provided. The method of manufacturing the casing of the electronic device includes following steps: providing a metal hosuing provided with an inner face and an outer face opposite to the inner face, forming a plurality of holes in the inner face of the metal housing, forming a non-conductive layer, a part of which extends into the holes, on the inner face of the metal housing, and dyeing the outer face of the metal housing to form the casing of the electronic device. The invention further discloses the casing of the electronic device.

A polymer electrolyte membrane comprises at least one layer of a perforated sheet having many through-holes formed substantially parallel to the thickness direction with an average cross-sectional area per hole ranging from 1×10⁻³ to 20 mm², wherein the numerical aperture based on the through-holes ranges from 30 to 80%, and the through-holes are filled with an ion exchange resin.

The invention provides a heat-insulation slurry composition which comprises the following components in parts by weight: 25-35 parts of waterborne inorganic binder, 18-47 parts of lightweight aggregates, 15-23 parts of reinforcing fibers, 15-25 parts of magnesium-containing minerals, 20-30 parts of fillers and a proper amount of water, wherein the waterborne inorganic binder comprises the following main components in parts by weight: 20-25 parts of colloidal silica, 5-8 parts of inorganic waterproof agent and 1.5-2.0 parts of thickening water-retaining agent. The invention also provides a method for preparing a heat-insulation plate by the heat-insulation slurry composition. According to the heat-insulation slurry composition provided by the invention, the main raw materials are inorganic materials, a prepared plate is light and high in mechanical strength, the heat-insulation performance is excellent, the plate is not inflammable, can be made into various specifications of products with the thickness of 6-120mm, the maximum length of 1200mm and the maximum width of 800mm and can be directly adhered to a wall surface, and the product conforms to the national environmental standard.

The invention discloses anode lead plaster of power lead-acid storage battery polar plate, and the anode lead plaster comprises the following components in proportion by weight: 1000 lead powder, 1.5 to 4 antimonous oxide, 0.8 to 1.8 stannous mono-sulphate, 1 to 2.5 aquadag, 0.68 to 0.8 conductive fiber, 25 to 40 lead tetraoxide, 80 to 96 dilute sulfuric acid and 1 to 4 silicon dioxide. The gas-phase silicon dioxide capable of increasing the viscosity strength of active substances and the conductive fiber capable of enhancing the conductive capacity of the polar plate are added, an optimum effect can be reached by adjusting the proportion of the two additives and other additives, so that under the situation of identical mass of the active substances and identical structure of a grid, the circulation service life of a power lead-acid storage battery can be improved by 28 percent, and the battery capacity of the power lead-acid storage battery can be improved by 10 to 15 percent.

A packing material, a tag, a certificate, paper money, and securities, each of which can be surely prevented from counterfeit or deception, are disclosed. According to the present invention, a plurality of wireless tags is used for an object such as a packing material, a tag, a certificate, paper money, or securities. The location of the plurality of wireless tags attached to each of the object is varied on the object basis such that the object can be identified. Then, the object using the wireless tag is identified by detecting the location of the plurality of wireless tags attached to each of the object. The more random the locations of the wireless tags, the more certain it becomes to identify the object and to prevent or detect the counterfeit and the deception of the object.

The invention relates to methyl phenyl silicone resin base high-temperature-resistant coating and a preparation method thereof, which belong to the technical field of organic coating preparation. Methyl phenyl silicone resin serves as a base stock. The resin utilizes methyl trichlorosilane, dimethyldichlorosilance and methylphenyldichloros as hydrolysis raw materials and is prepared by processes of hydrolysis, polycondensation and the like. The preparation process is simple, the resin yield is high, and the pure resin itself has good high temperature resistance and low temperature resistance. The coating utilizes titanium dioxide as pigment, mica powder, talcum powder, low melting-point glass powder and hollow glass microspheres as fillers, organobentonite and KH-550 as auxiliaries and dimethylbenzene as solvent. Organosilicone high-temperature-resistant coating prepared by the preparation method is coated on the surface of a base material, is fast in air drying speed at normal temperature, tough in coating film and high in mechanical strength, can resist to the high temperature of 1000 DEG C for a long time, and has long salt fog resistance time. In addition, the impact strength of the high-temperature-resistant coating reaches above 50kg.cm.

The invention discloses a method for preparing a honeycomb ceramic catalyst. The method comprises the following steps of: performing ultrasonic pretreatment on a honeycomb ceramic matrix in pretreatment fluid, loading a nano serous fluid coating, and loading active ingredients. A catalyst coating obtained by the method is high in combination degree with the matrix and difficult to crack and strip, and a preparation process and equipment are simple, so that the catalyst has high usability and activity stability; and the catalyst can still keep high activity under the condition of the washing of high-airspeed air flow and thermal shock, so that the long-term stable running of the catalyst can be ensured.

The invention discloses a preparation method of a porous composite material for removing heavy metals in soil, which comprises the following steps: mixing an inorganic material and an organic material, molding, drying, sintering and the like to prepare a porous material substrate; activating the porous material with acid; and finally, in an organic or inorganic solution, treating the porous material with a silane coupling agent or any other organic molecule with adsorption, complexing and chemical linkage function on heavy metals to obtain a functional molecular layer, thereby obtaining the required porous composite material. The porous composite material has the characteristics of high selectivity for heavy metals and high adsorption efficiency when being used for remediating heavy-metal-containing soil. The porous material has the advantages of low consumption and long service life (up to 3-5 years). The technique can be widely used for remediating farmland or cultivated soil without influencing the normal cultivation and production of crops.

Disclosed herein is a method for producing a sheet including a silica aerogel, the method including (S1) gelling a water glass solution in a mixture of an alcohol and water to prepare a wet gel, (S2) hydrophobically modifying the surface of the wet gel with a non-polar organic solvent, an organosilane compound and an alcohol, (S3) dissolving the hydrophobically modified silica gel and a polymer in an aprotic organic solvent to prepare an electrospinning solution, and (S4) electrospinning the electrospinning solution to produce a fiber web including a silica aerogel, and a sheet in which a polymer and a silica aerogel coexist in the form of a fiber.

Silica aerogels that are controlled in pore diameter and pore diameter distribution can be produced as follows: a surfactant is dissolved in an acidic aqueous solution; a silicon compound having a hydrolysable functional group and a hydrophobic functional group is added thereto, so that a hydrolysis reaction is carried out to yield a gel; and after the gel is solidified, the gel is dried supercritically. Preferably, the surfactant is one selected from the group consisting of a nonionic surfactant, a cationic surfactant, and an anionic surfactant, or a mixture of at least two of them. The silica aerogels produced as described above are usable for heat insulators for solar-heat collector panels or heat-insulating window materials for housing.

A semiconductor device comprises, a protective element on a substrate; a low-k dielectric film opposite the protective element and having mechanical strength smaller than a silicon oxide film; a mesh wiring opposite the protective element and in the low-k dielectric film, the mesh wiring including power supply wirings and ground wirings arranged in a mesh, the mesh wiring being electrically connected to the protective element; a silicon oxide film on the mesh wiring and the low-k dielectric film; and a bonding pad on the silicon oxide film and opposite the mesh wiring.

The present invention relates to a transparent resin composition which comprises (a) a (meth)acrylate based unit comprising one or more (meth)acrylate based derivatives; (b) an aromatic based unit having a chain having the hydroxy group containing portion and an aromatic moiety and (c) a styrene-based unit comprising one or more styrene-based derivatives, and an optical film that is formed by using the same.

The invention discloses a method for hydrolyzing lignocellulose. Lignocellulose is pulverized into particles, and the particles are mixed with water to form even seriflux; the seriflux is preheated to60-150 DEG C by using ultrasonic waves or microwaves; the preheated even seriflux is quickly heated to 120-300 DEG C, solid alkali is added and used as a catalyst, and stirring and catalytic reactionare simultaneously carried out for 15-300 minutes. The use of the ultrasonic waves or microwaves radiation in synergism with solid alkali for catalyzing and hydrolyzing the lignocellulose can greatlyreduce the reaction time as well as energy consumption. The solid alkali catalyst can be repeatedly used, is easily separated from an aqueous solution, and has the advantages of high mechanical strength, high durability, certain selectivity, relative singularity of catalytic hydrolyzate, high hydrolyzing efficiency and good market application prospect.

A bulk metal oxide catalyst composition of the general formula

(X)b(M)c(Z)d(O)e  (I)

wherein

• X represents at least one non-noble Group VIII metal;
• M represents at least one non-noble Group VIb metal;
• Z represents one or more elements selected from aluminium, silicon, magnesium, titanium, zirconium, boron, and zinc;
• one of b and c is the integer 1; and
• d and e and the other of b and c each are a number greater than 0 such that the molar ratio of b:c is in the range of from 0.5:1 to 5:1, the molar ratio of d:c is in the range of from 0.2:1 to 50:1, and the molar ratio of e:c is in the range of from 3.7:1 to 108:1; is prepared by controlled (co)precipitation of component metal compounds, refractory oxide material, and alkali compound in protic liquid. Resulting compositions find use in hydrotreatment processes involving particularly hydrodesulphurisation and hydrodenitrification.

The invention discloses a super-hydrophobic super-lipophilic emulsion separating mesh membrane, and a production method and an application thereof. The method comprises the following steps: 1, dissolving dopamine hydrochloride and tris(hydroxymethyl)aminomethane in water, and uniformly stirring to obtain a mixed solution A; 2, dipping a fabric net in the mixed solution A, and carrying out a reaction 1 to obtain a polydopamine membrane modified fabric net; 3, dissolving a siloxane precursor, a silane coupling agent 1, a silane coupling agent 2 and a titanium dioxide precursor in an organic solvent, and uniformly stirring to obtain a mixed solution 2; and 4, taking out the fabric net in step 2, washing, dipping the washed fabric net in the mixed solution B, adding water and ammonia water, and carrying out a reaction 2 to obtain the emulsion separating mesh membrane. The emulsion separating mesh membrane has the advantages of non-toxicity, harmlessness, environmental protection, easy cleaning and preservation, repeated use and good stability, can be widely used in separation of oil-water emulsions, and has a good separating effect.

The invention discloses a super hydrophobic-supper lipophilic polymer porous film, preparation method and application thereof. The surface of the polymer porous film is a micro nanometer structure, a nanometer level and/or micron/submicron level pore channel is arranged in the polymer porous film, the thickness of the film is controllable in the range of tens of nanometers to millimeters and the film is used for oil/water (including emulsified oil) separation. The preparation method comprises the following steps: adding a micromolecular additive into a macromolecular solution according to a certain proportion, spreading the obtained mixture solution on the surface of a substrate, and finally forming a film by a wet-method phase inversion technology. The oil immersion speed of the polymer porous film is quick and the film is not easily polluted, and the film has relatively high separation efficiency and flux for the oil-water mixture and the oil-water emulsion (or emulsified oil), and the film has other features such as convenient preparation technology, easy operation and low production cost. The film can be widely applied in various fields such as large-scale separation and purification of the industrial oil water (emulsified oil water) and large-scale filter and separation of organic liquid/water.