57results about "Organic insulators" patented technology

The invention relates to the technical field of silica gel cables, and discloses a silica gel cable with high reliability and high flexibility and a process thereof, and the silica gel cable comprises a conductor layer which is formed by hierarchically twisting a plurality of tinned copper wires with the diameter of 0.05-0.10 mm, and the twisting helical angle gradually changes from 25 degrees in the inner layer to 55 degrees in the outer layer; the insulating layer coats the conductor layer and comprises a silica gel material, a hydrogen-containing silicone oil cross-linking agent and a plasticizer, microcapsules with the particle size of 20-50 microns are dispersed in the silica gel material, a shell layer of each microcapsule is polyurethane, and a core layer of each microcapsule is a siloxane repairing agent containing a platinum catalyst; and a sheath layer. A hydrogen-containing silicone oil cross-linking agent in the insulating layer enables molecular chains to be cross-linked to form a net structure, the physical and chemical stability is enhanced, microcapsules are matched to endow a self-repairing function, a repairing agent is released when the cable is damaged, the self-repairing performance of the insulating layer is further guaranteed, damage is filled through a cross-linking reaction, insulation is recovered, the reliability of the cable is remarkably improved, and the service life of the cable is remarkably prolonged.

The invention discloses an ultraviolet-aging-resistant high-toughness wind power cable and a preparation method thereof, belongs to the technical field of cable preparation, is used for solving the technical problem that the ultraviolet aging resistance and toughness of a wind power cable in the prior art need to be further improved, and specifically comprises a wire layer, a shielding layer and a sheath layer; the preparation method comprises the following steps: coating an organic silicon layer on the outer side of a nano titanium dioxide particle and modifying amino to obtain a modified chain extender, carrying out chain extension on a long-chain polyurethane structure to obtain composite polyurethane, and carrying out hydrolysis by taking activated glass microspheres as a matrix and tetramethyl orthosilicate as a supplement to obtain modified aerogel. The preparation method comprises the following steps: preparing modified aerogel, modifying ferroferric oxide particles on the modified aerogel by using in-situ loading, further modifying perfluoro groups to obtain composite aerogel, finally mixing composite polyurethane, the composite aerogel and auxiliary materials, and performing melt extrusion to obtain a sheath layer of the wind power cable, thereby obtaining the wind power cable.

The invention discloses a modified polypropylene insulating material which comprises a cross-linked structure formed by addition of modified polypropylene through sulfydryl alkene, and the modified polypropylene is polypropylene grafted with a thiol compound. The modified polypropylene insulating material which is compact in material structure and has excellent peel strength and interface breakdown strength is obtained by carrying out thiol compound grafting modification on the surface of polypropylene and further carrying out sulfydryl alkene addition reaction with a polyvinyl compound. The modified polypropylene insulating material disclosed by the invention is used in a wrapping tape, and can construct a winding-increasing insulating structure which is tightly attached between layers and has no physical interface, so that the insulating strength and the long-term operation reliability of cable accessories are greatly improved, and the safety of power transmission and the stability of a power system are guaranteed.

To provide a conductive laminate capable of achieving both high transmittance and low electric resistance, and various optical devices equipped with the same.SOLUTION: A conductive laminate 1 comprises a transparent substrate 2. On at least one side of the transparent substrate 2, following layers are laminated from the transparent substrate 2 side in this order: a first transparent material layer 3 that does not contain zinc, a metal layer 4 containing silver as a main component, in contact with the first transparent material layer 3, and a second transparent material layer 5 in contact with the metal layer 4. . The thickness of the transparent substrate 2 is 20 μm or more and 200 μm or less; the metal layer 4 has a silver atomic ratio of 90% or more; the second transparent material layer 5 is made of a metal oxide containing zinc; the thickness of the first transparent material layer 3 is 30 nm or more and 80 nm or less; the thickness of the second transparent material layer 5 is greater than 30 nm and 70 nm or less; the first transparent material layer 3 and the second transparent material layer 5 are made from different materials; the thickness of the metal layer 4 is 7 nm or more and less than 15 nm; the transmittance of the entire conductive laminate 1 in the stacking direction is 90% or more; and a surface resistance measured using the surface on which the second transparent material layer 5 is provided is 30 Ω / sq or less.SELECTED DRAWING: Figure 1

An illustrative electrostatic machine includes a shaft that is configured to rotate about an axis, a rotor electrode, and a stator electrode. The rotor electrode and the stator electrode are separated by a gap and form a capacitor. The rotor electrode is fixed to the shaft. The electrostatic machine can also include a housing that is configured to enclose the rotor electrode, the stator electrode, and at least a portion of the shaft. The stator electrode is fixed to the housing. A dielectric fluid fills a void defined by the housing, the rotor electrode, and the stator electrode.

The invention discloses a halogen-free insulated wire material, a preparation method and a three-layer insulated wire using the halogen-free insulated wire material in the field of wire and cable insulating materials, and the halogen-free insulated wire material is prepared from the following raw materials: ethylene-vinyl alcohol copolymer as matrix resin, two modified flame retardants and a plurality of auxiliaries. Wherein the bionic layered double hydroxide and polydopamine composite flame retardant is prepared by dispersing magnesium-aluminum layered double hydroxide powder in a buffer solution, adding dopamine hydrochloride to react to generate a polydopamine coating layer, and then reacting with phosphonitrilic chloride trimer to introduce a phosphazene group; according to the dynamic siloxane network modified aluminum hydroxide, aluminum hydroxide reacts with a silane coupling agent and then is premixed with a methacrylate cross-linking agent, so that a dynamic cross-linked network structure is formed. A three-layer insulated wire using the material comprises a wire core and two insulating layers, and the insulating layers are made of the halogen-free insulated wire material, so that the halogen-free insulated wire material has the characteristics of low smoke, no halogen, high flame retardance, migration resistance, good mechanical property and the like, and is suitable for cable scenes with relatively high safety requirements.

The invention discloses low-temperature curing slurry for a thick film hybrid circuit and a preparation method of the low-temperature curing slurry, and relates to the technical field of electronic slurry. Wherein the organic carrier comprises 35 to 55 weight percent of thermosetting resin and 45 to 65 weight percent of solvent; the thermosetting resin comprises at least two of epoxy resin, modified epoxy resin and organosilicon modified polyester resin, the epoxy resin is bisphenol A type solid resin, and the modified epoxy resin is an alkoxy siloxane modified product with an epoxy functional group. According to the invention, at least two of epoxy resin, modified epoxy resin and organosilicon modified polyester resin are adopted as matrix resin, the epoxy resin is bisphenol A type solid resin, a body network structure is formed after curing and crosslinking, the crosslinking density is high, the modified epoxy resin is an alkoxy siloxane modified product with an epoxy functional group, and the curing strength is high. Alkoxy siloxane contained in the resin can improve the adhesive force in the curing process, and in addition, the leveling property of the slurry can be improved.

Disclosed herein are polymer materials, in particular materials comprising one or more polymers where the degree of electrical conductivity may be controlled. Disclosed herein are materials, for example one or more polymers (or monomers and / or oligomers), optionally one or more easily-processable, thermo-transformable polymers, comprising one or more electron rich domains, which can be exposed to at least one of: sufficient temperature (for example for temperature-dependent processing), a mechanical force / pressure, magnetic field and / or an electric field, and consequently increase the conductivity of the materials. Also disclosed herein are methods of forming said materials and applications and uses thereof.

This invention relates to the field of insulating materials for porous copper foil preparation, and particularly to an insulating material for porous copper foil preparation and its preparation method, as well as a method for preparing porous copper foil. The preparation method includes the following steps: perforating a cathode plate to obtain a cathode plate with multiple blind holes; filling the blind holes with an insulating material for porous copper foil preparation, and curing it to obtain a pretreated cathode plate; the raw materials for the insulating material are: resin, reactive diluent, thixotropic agent, leveling agent, polymerization inhibitor, and photoinitiator. The pretreated cathode plate is used as the cathode and placed in an electrolyte for electrodeposition to obtain porous copper foil. When preparing porous copper foil with the insulating material, the filling material in the blind holes can withstand more than 80 electroplating cycles without peeling off, indicating that the insulating material for porous copper foil preparation possesses excellent adhesion and electrolyte environment durability, enabling a single-filled cathode to support stable electrodeposition over an ultra-long period, significantly extending its effective service life.

The invention discloses a manufacturing method of a high-frequency dielectric material and a semiconductor packaging substrate, and the high-frequency dielectric material comprises inorganic filler, bonding resin, film-forming resin, a curing agent and an accelerant. The high-frequency dielectric material provided by the technical scheme of the invention has a coefficient of thermal expansion (CTE) as low as 30 ppm / DEG C or below, a glass transition temperature (Tg) as high as 160 DEG C or above, a dielectric constant (Dk) between 3.0 and 3.3 at a specific high frequency and an extremely low dielectric loss (Df) between 0.0015 and 0.0025.

A method of making a masterbatch includes the steps of forming a masterbatch including 20 wt% to 70 wt% of an acrylonitrile-butadiene copolymer based on a total weight of the masterbatch and 20 wt% to 70 wt% of an ethylene-vinyl acetate copolymer based on a total weight of the masterbatch. Next a step of pelletizing the masterbatch is performed.

The invention discloses a high-toughness wind power cable resistant to ultraviolet aging and a preparation method thereof, which belongs to the technical field of cable preparation and is used to solve the technical problem in the prior art that the ultraviolet aging resistance and toughness of wind power cables need to be further improved. The wind power cable specifically comprises a conductor layer, a shielding layer and a sheath layer. The invention comprises the following steps: wrapping an organic silicon layer on the outside of nano-titanium dioxide particles while modifying amino groups to obtain a modified chain extender, which chain extends a long-chain polyurethane structure to obtain a composite polyurethane, and then using activated glass microspheres as a matrix and methyl orthosilicate as a supplement to prepare a modified aerogel through hydrolysis, and modifying ferrosilicate particles by in-situ loading on the modified aerogel, and further modifying perfluorinated groups to obtain the composite aerogel. Finally, the composite polyurethane, the composite aerogel and auxiliary materials are mixed and melt-extruded to obtain the sheath layer of the wind power cable, thereby obtaining the wind power cable.

A process for the preparation of a low density polyethylene (LDPE) homopolymer or LDPE copolymer by radical polymerisation, said process comprising polymerizing ethylene and optionally at least one comonomer in the presence of at least two chain transfer agents: - a C1-8-alkanol, and - a non-polar chain transfer agent (CTA).

A high voltage electrical component for an electric vehicle is provided. The component comprises a polymer composition that includes a polymer matrix containing a liquid crystalline polymer. The composition exhibits a comparative tracking index of about 125 volts or more as determined in accordance with IEC 60112:2003 at a thickness of 3 millimeters. Further, the composition defines an orange surface that is characterized by a L* value of from about 55 to about 75, an a* value of from about 18 to about 38, and a b* value of from about 22 to about 42, wherein L*, a*, and b* are calculated using CIELAB units according to ASTM D2244-16.

A cable (1) is disclosed configured to transfer electricity from a battery (2) to a handheld power tool (3). The cable (1) comprises a first plug (p1) arranged at a first end (1') of the cable (1) and a second plug (p2) arranged at a second end (1'') of the cable (1). The cable (1) further comprises electrical wires (N, L, s1, s2) electrically connecting poles of the first and second plugs (p1, p2) and a thermoplastic polymer (6) protecting the electrical wires (N, L, s1, s2). The cable (1) comprises a looped portion (Lp) being pre-shaped by heat treatment of the thermoplastic polymer (6) in the looped portion (Lp) of the cable (1). The present disclosure further relates to a power supply system (10) for a handheld power tool (3), and a power tool system (20).

The invention discloses insulating paint for carbon ceramic linear resistance marking as well as a preparation method and application thereof, and belongs to the technical field of electrical materials, the insulating paint comprises the following raw materials in parts by weight: 30-80 parts of quick-drying silicon resin, 10-40 parts of chromic oxide, 1-5 parts of a defoaming agent, 1-3 parts of a flatting agent and 10-20 parts of an amino silane coupling agent; the preparation method comprises the following specific steps: (1) weighing the raw materials in parts by weight for later use; and (2) adding the quick-drying silicon resin and zirconium balls into a ball milling tank, then sequentially adding chromic oxide, a defoaming agent and a flatting agent, carrying out ball milling until the fineness is below 30m, and finally, adding an amino silane coupling agent, and carrying out ball milling to obtain the insulating paint for carbon ceramic linear resistance marking. The insulating paint has the comprehensive performance of high electrical insulating property, good adhesion, high activity, high temperature resistance, high adhesive force and the like, and is low in viscosity, reasonable in cost and high in practicability.

Electronic articles having an electromagnetic interference (EMI) shield and methods are described. The electronic articles comprise an (e.g. insulting) layer comprising a polymeric component. The conductive layer may comprise fibers and conductive particles or the conductive layer may comprise a substrate comprising me (e.g. printed circuit board) comprising adhesive. In one embodiment, the polymeric component comprises a block copolymer comprising hard blocks having cyclic moieties. In another embodiment, the polymeric component has a storage modulus of at least WMPa for a temperature range from 25°C to 50°C and a loss modulus of at least 1 MPa and less than 100 MPa at 100°C.

There is provided a resin composition from a mixture including: (a) 60-90 weight % of at least one thermosetting resin; and (b) 10-40 weight % of at least one aryl ether resin. The resin composition can be used in electronics applications.

Systems and methods presented herein provide for elastomeric and flexible cables. In one embodiment, the cables are configured with elastomeric cabling and circuitry. For example, a flexible circuit line (or lines) may be wrapped about an extruded elastomeric substrate (e.g., a polymer). Integrated circuits (e.g., sensors, accelerometers, light emitting diodes, controllers, microprocessors, etc.) may be disposed at various points along the circuit line(s). The cable may then be wrapped with a Polytetrafluoroethylene (PTFE) tape than can be heated to shrink about the cable for protection of the underlying circuitry. Then, the cable may be surrounded with a layer of polymer and extruded to form an elastomeric and flexible cable.

Polymer materials, in particular materials including one or more polymers where the degree of electrical conductivity may be controlled. Materials, for example one or more polymers (or monomers and / or oligomers), optionally one or more easily-processable, thermo-transformable polymers, including one or more electron rich domains, which can be exposed to at least one of: sufficient temperature (for example for temperature-dependent processing), a mechanical force / pressure, magnetic field and / or an electric field, and consequently increase the conductivity of the materials. Methods of forming the materials and applications and uses thereof.

The present invention relates to a composition comprising specific esters and its uses as a lubricant and / or a liquid dielectric coolant.

Disclosed are: a battery cell; and a battery pack and a vehicle, including same. A battery cell according to an embodiment of the present invention comprises: an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate; a battery can in which the electrode assembly is accommodated; an electrical connection member electrically connected to the electrode assembly; and an insulator interposed between the battery can and the electrode assembly, wherein the insulator is fixed to the battery can.

The utility model discloses a kind of polypropylene insulated submarine composite cables, it is related to cable technical field, solve the poor waterproof effect, weak compression resistance and the low cable life problem of submarine composite cable in prior art;Including cable core structure;The cable core structure includes conductor layer and insulating layer being set on conductor layer, multiple-core optical fiber is arranged in the conductor layer, the outside of the cable core structure is provided with tape layer;Further include: outer protective structure, the outer protective structure includes sheath, armoring layer and water-blocking structure layer, the sheath includes metal sheath layer, inner sheath layer and outer sheath layer;The cable scheme of the utility model can withstand greater force without easily breaking, the durability and reliability of material are effectively improved, and utilize water-blocking tape, high-efficiency water-blocking yarn and metal sheath layer cooperation under the joint action, form sealed barrier, further improve the waterproof performance of the composite cable.

A tank including a fluid reservoir, a communication module, a controller, and at least one sensor. The fluid reservoir is configured to be in fluid communication with a cable segment. The communication module is configured to communicate with an external device. The sensor is configured to detect an injection parameter value, encode the injection parameter value in a sensor signal, and send the sensor signal to the controller. The controller is configured to automatically instruct the communication module to transmit information to the external device based on the injection parameter value.

The present invention relates to a method for manufacturing a heat-resistant paper, and more particularly, to a method for manufacturing a heat-resistant paper, a heat-resistant paper manufactured thereby, and a highly heat-resistant electrical insulating material and a highly heat-resistant structural material comprising the heat-resistant paper, therefore, the heat-resistant paper is environment-friendly, has excellent manufacturability during manufacturing, is excellent in manufacturing yield, and shows the effect of excellent tensile strength of the manufactured heat-resistant paper.

The present invention relates to a composition comprising specific esters and its uses as a lubricant and / or a liquid dielectric coolant.

The application belongs to the technical field of new materials for enameled wire, and discloses a heat-conducting insulating enameled copper flat wire and a preparation method thereof. The preparation method comprises the following steps: 1) preparing graphene-aluminum oxide composite particles; 2) uniformly mixing the graphene-aluminum oxide composite particles and a polyimide resin solution to obtain a mixed paint; and 3) vacuum deaerating the mixed paint, then coating the mixed paint on the surface of the copper flat wire, and performing heat curing treatment, thereby obtaining the heat-conducting insulating enameled copper flat wire. The heat-conducting insulating enameled copper flat wire prepared by the application has good heat-conducting performance, thereby prolonging the service life of the enameled wire.

The utility model discloses an Ethernet high-efficiency shielding low-loss high-frequency transmission cable, which comprises a cable core, the cable core comprises a plurality of oxygen-free copper cores, the outer side of the plurality of oxygen-free copper cores is coated with a dielectric insulating layer, and the outer side of the dielectric insulating layer is sequentially coated with an aluminum foil shielding layer, a metal wire braided shielding enhancement layer and a plastic outer sheath. And the dielectric insulating layer is a supercritical fluid micro-closed cell foaming material formed by adding nitrogen or carbon dioxide into a polymer dielectric material. By means of the mode, the requirements of the Ethernet in the automobile industry on the aspects of electromagnetic compatibility, high reliability, low electromagnetic radiation, low power consumption, bandwidth distribution, low delay, synchronous real-time performance and the like can be met, and the production cost is reduced.

A secondary battery includes an electrode assembly including a first electrode and a second electrode, a receiving can having an open first side to receive the electrode assembly and which is electrically connected to the first electrode, a cap assembly covering the open first side of the receiving can to enclose the electrode assembly from outside and being electrically connected to the second electrode, a first tab including a first body coupled to the cap assembly and a first extension bent and extending from the first body, and an insulating layer coated on a first surface of the first extension facing an outer wall of the receiving can.