38results about How to "High volume resistance" patented technology

A sputtering target which is composed of a sintered body of an oxide containing indium, tin and zinc as main components; the atomic ratio of In / (In+Sn+Zn) being 0.10 to 0.35; the atomic ratio of Sn / (In+Sn+Zn) being 0.15 to 0.35; and the atomic ratio of Zn / (In+Sn+Zn) being 0.50 to 0.70; and containing a hexagonal layered compound shown by In2O3(ZnO)m, wherein m is an integer of 3 to 9, and a spinel structure compound shown by Zn2SnO4.

A sputtering target which is composed of a sintered body of an oxide containing indium, tin and zinc as main components; the atomic ratio of In / (In+Sn+Zn) being 0.10 to 0.35; the atomic ratio of Sn / (In+Sn+Zn) being 0.15 to 0.35; and the atomic ratio of Zn / (In+Sn+Zn) being 0.50 to 0.70; and containing a hexagonal layered compound shown by In2O3(ZnO)m, wherein m is an integer of 3 to 9, and a spinel structure compound shown by Zn2SnO4.

The invention provides addition type flame retardant liquid silicon resin. The addition type lame retardant liquid silicon resin comprises the following components in parts by weight: 100-130 parts of basic resin branched-chain phenylvinylsiloxane, 50-80 parts of active diluting agent linear phenylvinylsiloxane, 0.5-1.0 part of cross-linking agent linear phenyl modified hydrogen-containing siloxane, 0.01-0.05 part of chloroplatinic acid-divinyltetramethyldisiloxane catalyst and 0.001-0.01 part of temperature-sensitive inhibitor dimethyl fumarate. In the processes of preparing the basic silicon resin, an active diluting agent and a cross-linking agent, phenyl is used for pre-modifying so that the flame retardant property, the high-temperature resistance and the volume resistance of the product are greatly improved.

A toner comprising a toner particle including a resin component, wherein the resin component includes an olefin copolymer including ester group having specific structures Y1 and Y2 and an olefin copolymer including acid group having an acid value of from 50 mg KOH / g to 300 mg KOH / g, the amount of the olefin copolymer including ester group is 50% by mass or more, the toner particle has a surface layer including the olefin copolymer including acid group which has formed a salt with a metal, the metal is at least one metal selected from the group consisting of Mg, Ca, Sr, Al, and Zn, and the total amount of the metal in the toner is from 25 ppm to 500 ppm.

A connector terminal which can achieve high mechanical connection strength and stabilized low electrical connection resistance when it is crimped to an aluminum electric wire, and in addition, can suppress electrical contact resistance low when it is fitted to a mating connector terminal is provided. In a connector terminal (1A) having an electrical contact section (10) which is brought into contact and conducted with a mating connector terminal by fitting to the mating connector terminal, and a conductor crimping section (12) which is crimped to the conductor of an electric wire, a metal material which constitutes the terminal uses aluminum or an aluminum alloy as a base material (100), a Zn layer (101) having a thickness in the range from 0.1 μm to 2.0 μm by electroless plating and a Cu layer (102) having a thickness in the range from 0.5 μm to 1.0 μm by electrolytic plating are formed in sequence on the surface of the base material (100), and an Sn layer (105) having a thickness in the range from 0.7 μm to 1.7 μm by electrolytic plating is formed on the outermost surface.

The invention discloses a polyolefin packing material for a solar cell assembly. The polyolefin packing material is composed of following raw materials by weight: 90%-97% of modified polyolefin, 0%-5% of cross-linking agents, 0.5%-3% of silane coupling agents, 0.1%-0.4% of antioxidants, 0.1%-0.3% of ultraviolet absorbers and 0.5%-0.15% of ultraviolet light stabilizers. The raw materials of the polyolefin packing material are easy to obtain. The polyolefin packing material is low in cost, moderate in melt index, high in volume resistance and good in physical property.

The invention discloses a carbon fiber electrostatic actuation type dust-removing filter bag and a preparation method thereof. The carbon fiber electrostatic actuation type dust-removing filter bag comprises a bag head, a bag body and a bag bottom, wherein both the bag body and the bag bottom are made of a carbon fiber electrostatic actuation type filtering material obtained by mixing carbon fibers and aramid fibers, the bag head is made of a purely-aramid fiber filtering material; the carbon fiber electrostatic actuation type filtering material comprises a conductive base fabric, a windward nonwoven fabric layer and a leeward nonwoven layer; the conductive base fabric is woven by stainless steel fiber yarns and aramid yarns, the windward nonwoven fabric layer and the leeward nonwoven layer cover the upper surface and the lower surface of the conductive base fabric, respectively, the windward nonwoven fabric layer is made by mixing and needling carbon fibers and aramid fibers; a copper air hole which is grounded and forms a conductive channel is formed in the bag bottom. The carbon fiber electrostatic actuation type dust-removing filter bag has the advantages of high temperature resistance, corrosion resistance, good conductivity, low surface resistance, and large volume resistance, ensures that a dust remover is not electrified and is insulated so as to maintain the production safety, and is capable of enabling corona discharge charges reaching the surface of the filtering material to be immediately eliminated and preventing high-temperature breakdown under the condition of electric sparks.

The invention provides an anti-deviation friction disc made of an ultra-high molecular weight polyethylene material and a preparation method thereof. The ultra-high molecular weight polyethylene material used by the anti-deviation friction disc comprises the following compositions by weight portion: 50 to 150 portions of ultra-high molecular weight polyethylene, 2 to 6 portions of tissuemat E, 1 to 3 portions of graphite, 5 to 15 portions of glass hollow microbeads, 2.5 to 7.5 portions of a flame retardant, 0.3 to 1.9 portions of a coupling agent, 0.1 to 0.5 portions of a nucleating agent and 0.5 to 3.2 portions of an antioxidizer. The preparation method comprises the following steps of batching, mixing, heating, hydraulic pressing, cooling, demolding and forming. The material has high wearing resistance, good self-lubricity, super shock strength, good fire resistance, super inadhesion, age resistance and corrosion resistance, and is mainly applied to the manufacture of the friction aligning idler anti-deviation friction disc.

The invention discloses an intelligent platform for the live operation inspection of a transformer substation. The platform comprises a transformer substation operation inspection controller which communicates with a remote management and control system, an in-station environment detection device, a remote control module, a fault monitoring module, and a cable operation state detection module through communication cables. According to the invention, by means of the remote management and control system, a substation automation system is automatically inspected. The working efficiency of substation automation equipment abnormity and power system fault analysis and processing is improved. Meanwhile, the complete and real-time collection of fault data is achieved.

Cyclo-olefin copolymer resin is contained as a binder resin, and concentration of a charge controlling agent on the surface of the toner is not less than 0.1 mg / toner 1 g, and less than 1.0 mg / toner 1 g. Furthermore, the toner is held on a non-magnetic sleeve, an electric field is applied between a photoreceptor and the sleeve, and the toner jumps to an electrostatic latent image on the surface of the photoreceptor. In this way, a toner for electrophotography in which image contamination is prevented and deterioration of image density caused by deterioration of jumping property is prevented by maintaining an appropriate amount of charge even in the non-contact developing method using the toner containing cyclo-olefin copolymer resin as a binder resin, can be provided.

An air insulation ring main unit comprises a housing and a breaker body arranged inside the housing, wherein the breaker body comprises a solid-sealed polar pole shell which is made of glass fiber reinforced nylon resin. The air insulation ring main unit provided by the invention has a relatively safe and reliable running process, is relatively low in manufacture and maintenance cost, is harmless to environment and a human body, can be recycled, has a reduced overall weight and is easy to carry, and is low in cost.

The invention discloses a substation equipment dispatching monitoring system and method. The system includes a substation dispatching service center which communicates with a remote management and control system, a station environment detection device, a fault recording monitoring module, a remote control module, a fault monitoring module and a power grid dispatching alarming and monitoring modulethrough communication cables. The beneficial effect is as follows: the substation automation system is automatically inspected through the remote management and control system, so that the work efficiency of substation automation equipment abnormality and power system fault analyzing and processing is improved, and complete and real-time collection of fault data is realized.

A toner comprising a toner particle including a resin component, wherein the resin component includes an olefin copolymer including ester group having specific structures Y1 and Y2 and an olefin copolymer including acid group having an acid value of from 50 mg KOH / g to 300 mg KOH / g, the amount of the olefin copolymer including ester group is 50% by mass or more, the toner particle has a surface layer including the olefin copolymer including acid group which has formed a salt with a metal, the metal is at least one metal selected from the group consisting of Mg, Ca, Sr, Al, and Zn, and the total amount of the metal in the toner is from 25 ppm to 500 ppm.

The invention discloses a DC toughened glass insulator, which comprises an iron cap (2), a glass piece (8), a steel pin (4) and adhesive (4), wherein the glass piece (8) is provided with an outer umbrella skirt (11), a first inner umbrella skirt (10) and a second inner umbrella skirt (9), the glass piece (8) comprises the following main chemical compositions in percentage by weight: more than or equal to 18 percent of sodium oxide, more than or equal to 13.67 percent of potassium oxide, more than or equal to 6.1 percent of magnesium oxide, more than or equal to 2.06 percent of barium oxide, more than or equal to 2 percent of aluminum trioxide and rest silicon dioxide. The height ratio between the outer umbrella skirt (11) and the first inner umbrella skirt (10) and between the second inner umbrella skirt (9) and the outer umbrella skirt is less than or equal to 0.6, or the height ratio between the first inner umbrella skirt (10) and the outer umbrella skirt and between the first innerumbrella skirt (10) and the second inner umbrella skirt (9) is more than or equal to 1.5. The DC toughened glass insulator can effectively prevent the ionic migration in the glass piece, reduces the concentration of main charge carriers in the glass piece, hinders the displacement of ions which are easy to migrate in an irregular network inside the glass piece, reduces the migration charge quantity in the glass piece, improves the volume resistance of the toughened glass insulator, reduces the aging speed of the toughened glass insulator, and improves the flashover voltage and the breakdown voltage of the toughened glass insulator under the serious contamination.

The invention relates to a solar cell packaging glue structure, and the structure is characterized in that the structure consists of at least two white layers, wherein the reflectivity of the white layer closer to a battery piece is higher than the reflectivity of the white layer farther from the battery piece; or the structure consists of at least two layers, wherein the layer closer to the battery piece is dyed, and the layer farther from the battery piece is transparent. According to the above two structures, the method and idea of layered dyeing can make the most of requirements of a solar cell for different bonding surfaces of packaging glue, thereby reducing the cost of white packaging glue for white packaging glue, improving the dyeing efficiency for dyeing packaging glue, and reducing the use amount of dye. Meanwhile, the advantages of different filling materials can be used efficiently, and the improvement of overall performance of packaging glue is facilitated.

The invention discloses an antiknock enamel static power and a preparation method thereof. The method comprises the following steps: preparing the following raw materials by weight percent: 91-95% of titanium / barium-containing enamel ceramic glaze, 1-3% of enamel pigment, 4-6% of quartz powder, 0.1-0.12% of silane / siloxane concentrated oil and 0.13-0.15% of polymethyldiphenylsiloxane, wherein isocaprylic acid is 7-7.5% silane / siloxane concentrated oil; putting the titanium / barium-containing enamel ceramic glaze, enamel pigment, quartz powder, silane / siloxane concentrated oil and isocaprylic acid into a dry ball mill for grinding, till the ground powder particle D50 is 40-45um; adding polymethyldiphenylsiloxane into the mixed powder and grinding till D50 is 16-18um; putting the acquired material into a heating stirrer at 120 DEG C, stirring and fully homogenizing the organic matter on the powder surface; sieving the powder with 200-mesh sieve, thereby acquiring the product. After the antiknock enamel static power provided by the invention is coated on an enameled pressed steel with porcelain exploding trend and is sintered, the enamelware is free from fish-scaling.

The invention discloses a high-strength aramid-paper sandwich composite structure. The high-strength aramid-paper sandwich composite structure comprises a polyester thin film, aramid-paper honeycomb cores arranged at the two sides of the polyester thin film, and resin fiber layers arranged at the outer sides of the aramid-paper honeycomb cores, wherein the polyester thin film is laminated with thearamid-paper honeycomb cores by an adhesive. The high-strength aramid-paper sandwich composite structure disclosed by the invention has the characteristics of high strength and durability.

The technical essentials of an insulation and warming masterbatch for a plastic greenhouse membrane provided by the invention are as below: 1, a kaolin powder processing technology: the kinetic energy of fins of a high-speed mixer breaks agglomerated particles of a superfine powder, and stearic acid mixed with the powder melts with the friction heat of powder to a molten state, and then coats the powder; 2, pre-modified material manufacturing technology: a formula comprises 70% of kaolin (1250 mesh), 3% of stearic acid, 14% of polyethylene wax, 10% of an LDPE1F7B (melt index of 7) and 3% of an ethylene acrylic acid copolymer; kaolin and stearic acid are added into the high-speed mixer and subjected to high speed mixing for 15 min to complete the first step of powder treatment; and then all the ingredients are added into the high-speed mixer and subjected to high speed mixing until the process released heat melts the polyethylene wax and coats the powder, so as to complete the pre-modified material manufacturing technology; and 3, kaolin masterbatch manufacturing: mechanical heating and granulation by using a twin screw granulator are carried out; and hot cutting granulation and stay water-cooling granulation are both applicable.

The invention discloses a fuel cell bipolar plate sealing material and a preparation method and application thereof. The fuel cell bipolar plate sealing material comprises: ethylene-propylene rubber or ethylene-propylene-non-conjugated diene rubber, liquid ethylene-propylene rubber Or liquid ethylene-propylene-non-conjugated diene rubber, carbon black, organic peroxides, softening plasticizers, antioxidants, zinc 2-ethylhexanoate and adhesives. The fuel cell bipolar plate sealing material has low gas permeability, low water vapor permeability, excellent strong acid resistance and high volume resistance, is easy to process, and has low cost, and can be applied to hydrogen fuel cells .

A method of manufacturing a semiconductor light emitting device includes: forming an active layer of an aluminum gallium nitride (AlGaN)-based semiconductor material on an n-type clad layer of an n-type AlGaN-based semiconductor material; forming a p-type semiconductor layer on the active layer; dry-etching portions of the p-type semiconductor layer, the active layer, and the n-type clad layer so as to expose a partial region of the n-type clad layer; causing nitrogen atoms (N) to react with the partial region of the n-type clad layer exposed; and forming an n-side electrode on the partial region of the n-type clad layer that the nitrogen atoms are caused to react with.

A first composition (A) contains (i) at least one compound (I) selected from the group consisting of triallyl isocyanurate, and triallyl cyanurate, wherein the compound (I) is preferably triallyl isocyanurate; and (ii) at least one urea compound. A second composition (B) contains the first composition (A) and at least one polyolefin copolymer. Composition (B) is used for producing a film for encapsulating an electronic device, in particular a solar cell.

The invention discloses an abrasive steel paperboard. The abrasive steel paperboard is prepared from the following materials in percentage by weight: 93.8%-96.8% of cotton fiber, 3%-6% of wood fiber and 0.1%-0.2% of styrene-acrylic emulsion. The manufacturing process of the abrasive steel paperboard comprises the following steps of: (1), pulping and rinsing; (2), making paper and gelling; (3), aging and desalinizing; (4), washing and gluing; (5), pre-drying and drying; and (6), carrying out press polishing and packaging. Relative to the pure-cotton fiber abrasive steel paperboard, the volume resistance of the abrasive steel paperboard disclosed by the invention is increased by 30%, the electric strength of the abrasive steel paperboard is increased by 12%, the longitudinal drying shrinkage and the transverse drying shrinkage are reduced by 6% and 15%, respectively; and compared with the water adsorption of the un-glued abrasive steel paperboard, the water adsorption of the abrasive steel paperboard provided by the invention is reduced by 14%.

The invention relates to a vulcanized fiber board which is prepared from 94%-97% by weight of cotton fiber and 3%-6% by weight of glass fiber. The manufacturing process comprises the following steps: (1) beating and rinsing; (2) homogenating and papermaking; (3) colloidizing and aging; (4) desalting and washing; (5) pre-drying and drying; and (6) calendering and packaging. In comparison with the traditional vulcanized fiber board, the volume resistance of the vulcanized fiber board disclosed by the invention is increased by 50%, the electrical strength is increased by 21%, and the longitudinal and the transverse drying shrinkage rates are respectively reduced by 10% and 19.6%.

The invention discloses a high-strength aramid-paper sandwich composite structure. The high-strength aramid-paper sandwich composite structure comprises a polyester thin film, aramid-paper honeycomb cores arranged at the two sides of the polyester thin film, and resin fiber layers arranged at the outer sides of the aramid-paper honeycomb cores, wherein the polyester thin film is laminated with thearamid-paper honeycomb cores by an adhesive. The high-strength aramid-paper sandwich composite structure disclosed by the invention has the characteristics of high strength and durability.

A special insulating anti-electrostatic flame-retardant film for aviation and a processing method therefor. The invention relates to the field of plastic processing and particularly relates to the special insulating anti-electrostatic flame-retardant film for aviation and the processing method therefor. The film is good in insulating property and is flame-retardant and anti-electrostatic. The filmis prepared from the raw material ingredients in percentage by weight: 35% to 37% of polyethylene, 4% to 5% of mica powder, 5% to 6% of antistat, 10% to 15% of decabromodiphenyl ether, 30% to 35% ofantimony trioxide, 3% to 4% of dispersant and 5% to 6% of thermal stabilizer. The film disclosed by the invention is produced in a double-layer co-extruding production manner and has the characteristics of insulating anti-electrostatic flame-retardant functions, high bulk resistance, no electrostatic generation and the like.

The invention relates to a novel mounting ceramic product and a preparation method thereof; natural minerals are employed to be main raw material; weight percentage composition of a blank body formula is listed below: 76-78% of burning clay, 8-9% of barium carbonate, 6% of burning talcum, and 8-9% of alumina; compounding, dry method ball milling, screening, granulation, dry-pressing moulding, and burning are carried out to obtain the product; sintering temperature is 1280-1320 DEG C; finish time is 4-8 hours; temperature insulation time is 1 hour; the mounting ceramic is good in thermal conductivity, high in mechanical strength, low in dielectric constant, high in volume resistance, not only saves ceramic raw material in shortage, but also complies with national energy saving and emission reduction policy, thereby having wide application prospect.

The present invention relates to: an ethylene / alpha-olefin copolymer having a reduced stress relaxation time while simultaneously having a high weight average molecular weight and a narrow molecular weight distribution, thereby exhibiting excellent physical properties; and a preparation method therefor. The ethylene / alpha-olefin copolymer of the present invention has a high weight average molecular weight and a narrow molecular weight distribution, and a resin composition, having improved volume resistivity and exhibiting excellent light transmittance, can be prepared using same, and thus the present invention can be used for various uses in the electric / electronic industry field.

The invention discloses a flame-retardant liquid silicone rubber of high tear resistance. The silicone rubber comprises in parts by weight the following components: 100-150 parts of MQ silicone resin, 50-100 parts of reactive diluent, which uses linear phenyl vinyl siloxane, 5-10 parts of cross-linking agent, which uses linear phenyl hydrosiloxane, 5-20 parts of reinforcing agent, which uses fumed silica, and 0.01-0.15 part of thermosensitive inhibitor, which uses dimethyl fumarate. Phenyl group is applied to pre-modifying the reactive diluent and the cross-linking agent in the preparation process of the reactive diluent and the cross-linking agent to greatly improve the flame retardant performance, the high temperature resistance and the volume resistance of the product. By combining the MQ-based silicone resin and the fumed silica in the preparation process of the silicone rubber, the prepared silicone rubber has a better physical performance and excellent tear strength.