39results about How to "Excellent insulation and thermal conductivity" patented technology

The invention provides a preparation method of an epoxy-modified insulated thermal-conductive high-temperature resistant organosilicon coating, comprising the following steps: preparing raw materials; synthesizing an organosilicon pre-polymer; synthesizing an epoxy-modified organosilicon resin; and preparing the epoxy-modified insulated thermal-conductive high-temperature resistant organosilicon coating. The invention also provided the epoxy-modified insulated thermal-conductive high-temperature resistant organosilicon coating prepared by the method. The coating is composed by the epoxy modified organosilicon resin, fillers, a coupling agent and solvents. The coating prepared by the method in the invention takes account of insulation, thermal-conductivity, and high-temperature resistance at the same time, has coating adhesion of first level, hardness of 5H, a breakdown voltage of 1800V/0.5mA, 2 seconds, a heat transfer coefficient of larger than 100W/(m<2>.K), and no obviously changed coating at a temperature of 250 DEG C for 24 hours, therefore the coating can be widely used in various industrial equipment and household appliances.

The invention discloses an insulation heat conduction glass fiber reinforced PC/ABS (Poly Carbonate/ Acrylonitrile Butadiene Styrene) alloy material and a preparation method thereof, belonging to the technical field of alloy materials. The alloy material disclosed by the invention comprises the following components in parts by weight: 50-90 parts of PC, 10-50 parts of ABS, 30-150 parts of heat conduction material, 10-30 parts of glass fiber, 2-5 parts of coupling agent, 0.1-1 part of antioxygen and 0.3-2 parts of glass fiber rich surface preventing agent. The invention also discloses a preparation method of the alloy material. The insulation heat conduction glass fiber reinforced PC/ABS alloy material keeps excellent physical performance of a PC/ABS alloy material, has excellent insulation heat conduction performance and heat conduction property, is enlarged in the application range in the market, and is especially applied to the electronics.

The invention provides a superhigh heat conduction metal-based circuit board as well as a preparation method thereof. A layer of AIN (aluminum nitride) ceramic coating or AIN+DLC (aluminum nitride+diamond like carbon) composite coating is coated on the surface of a metal-based plate material, such as aluminum, copper so as to form a superhigh heat conduction circuit board. The superhigh heat conduction metal-based circuit board is applied to the fields which need superhigh heat conduction, such as high-power LED (light-emitting diode) devices or modules, improves the heat conduction and heat radiation capability of a base plate as well as meets the requirements of heat conduction and dissipation of electric appliance.

The invention relates to an insulating heat-conducting adhesive film for a heating device and the heating device. The insulating heat-conducting adhesive film is prepared from the following componentsin percentage by mass: 10%-70% of epoxy resin, 4.5%-50% of thermoplastic resin and/or synthetic rubber, 20%-80% of heat conducting filler and 1%-10% of a curing agent. The insulating heat-conductingadhesive film has excellent bonding, insulation, heat conduction, flame retardance and weather resistance, and the heating device made of the insulating heat-conducting adhesive film has the advantages of low energy consumption, high heating speed, high safety, long service life and the like.

The invention discloses a calcium sulfate whisker modified polyphenylene sulfide composite material and a preparation method thereof. The composite material comprising the following components in parts by weight: polyphenylene sulfide 35-50 parts, calcium sulfate whisker 10-20 parts, thermal conductive filler 30-40 parts, coupling agent 2-5 parts, antioxidant1010 0.2-0.5 part and lubricant 0.5-1.5 parts. The preparation method of the calcium sulfate whisker modified polyphenylene sulfide composite material comprises the steps of: pre-processing the thermal conductive filler and the calcium sulfate; adding the pre-processed thermal conductive filler, the polyphenylene sulfide, the antioxidant1010 and the lubricant into a high-speed mixer, and mixing for 5-15 min; and then adding the modified calcium sulfate whisker and mixing for 4-6 min; pelletizing the obtained mixture by extruding; and carrying out injection molding on the pellets to obtain the finished product. The calcium sulfate whisker modified polyphenylene sulfide composite material provided by the invention has the advantages of good insulation and thermal conductivity and excellent thermal physical property and is particularly applicable to electronic products and weaponry, electrical communication, electrical equipment and instruments.

The invention discloses thermal insulation coating for waterborne acrylic finishing coat. The thermal insulation coating contains the following raw materials in parts by weight: 20-60 parts of acrylicemulsion resin, 10-15 parts of hollow glass microspheres, 10-15 parts of pigment, 10-30 parts of filler, 0.1-2 parts of wetting agent, 0.1-2 parts of antifreezing agent, 0.1-2 parts of thickening agent, 0.1-2 parts of dispersing agent, 0.1-2 parts of neutralizing agent, 0.1-2 parts of antifoaming agent, 0.1-2 parts of leveling agent, 0.1-5 parts of coalescing agent and 10-30 parts of water. The thermal insulation coating for waterborne acrylic finishing coat has smooth appearance, glass microspheres therein, good thermal conductivity isolation, flexibility, weather resistance, water resistance, easy application property, stain resistance, and bonding strength possessed by an outer wall.

The invention discloses a strong insulating material and a preparation method thereof. The strong insulating material comprises a wearing layer, a barrier layer, an epoxy resin layer, a mica paper layer, an alkali-free glass fiber cloth layer and an antistatic layer from top to bottom, the wearing layer and the barrier layer are bonded by an adhesive, the mica paper layer and the alkali-free glassfiber cloth layer are bonded by the adhesive, and the alkali-free glass fiber cloth layer and the antistatic layer are bonded by the adhesive; the wearing layer is a polytetrafluoroethylene film; thebarrier layer is a polyvinylidene chloride film; the epoxy resin layer is formed by coating and curing of an epoxy resin coating; and the adhesive is prepared by uniformly mixing silicone resin, dibutyltin dilaurate and hexagonal boron nitride. The multilayer structure of the wearing layer-the barrier layer-the epoxy resin layer-the mica paper layer-the alkali-free glass fiber cloth layer-the antistatic layer improves the insulating performance, the thermal conduction performance and the heatproof and flame-retardant performances of the strong insulating material.

The invention discloses a battery module which comprises a main body unit comprising a plurality of battery cores, a framework and two conductive assemblies, a shell wrapping the main body unit, a first heat conduction unit mounted on the framework, and a second heat conduction unit mounted on the multiple conductive assemblies, wherein the first heat conduction unit comprises a plurality of firstassemblies, and one end of each first assembly is in contact with at least one battery core, and the other end of the first assembly is in contact with the shell; the second heat conduction unit comprises a second body, and one end of the second body is in contact with the multiple conductive assemblies, and the other end of the second body is in contact with the shell. Therefore, under a condition of keeping the wrapping property of the shell, heat energy produced by a plurality of battery bodies and conductive pole pieces can be effectively conducted to the shell, and heat dissipation is carried out on the shell.

The embodiment of the invention relates to the technical field of electric energy transmission, in particular to an electric connector, a charging pile and a charging system. The electric connector comprises a shell, a joint and a cooling medium, the shell is provided with an accommodating cavity and two oppositely arranged through holes, and the accommodating cavity is communicated with the outside through the through holes. The connector comprises a first part and second parts, the second parts are arranged at the two ends of the first part, the connector is inserted into the shell, the first part is located in the containing cavity, the second parts penetrate out of the through hole and are exposed out of the outer surface of the shell, and the first part is subjected to insulation treatment and heat conduction treatment. The cooling medium is contained in the containing cavity. Through the above structure, after the first part is subjected to surface treatment, excellent insulation and heat conduction effects can be obtained, so that after the joint generates heat, heat is directly dissipated through a cooling medium. Meanwhile, electric leakage of the connector can be effectively prevented after insulation treatment. Therefore, the transmission efficiency of electric energy is improved.

The present invention discloses a new-type composite terminal, which comprises a terminal body, a thermal sensing contact, a connecting terminal and a telescopic spring. The terminal body comprises a tail connecting section and a front contacting section. The thermal sensing contact is connected with the front contacting section. The thermal sensing contact and the contacting surface of the front contacting section are of a stepped shaped structure that cooperates with each other. The thermal sensing contact is made of the nickel-chromium alloy and its surface is coated with a poly tetra fluoroethylene layer; the bottom of the thermal sensing contact is connected with the connecting terminal; and the connecting terminal is connected with the telescopic spring. The telescopic spring is made of memory alloy materials and is in the form of a spiral structure spirally arranged along the length of the terminal body; and the telescopic spring shortens and deforms along the axial direction of the spiral structure after its temperature reaches the phase transition temperature. The composite terminal of the invention has a reasonable structure, is good in strength, does not deform easily, has a good connection temperature and achieves good safety.

The invention discloses a high-performance insulating resin composition, which comprises the following components: polytetrafluoroethylene, filler coupling agent, toughening agent, hydrolysis-resistant agent, stabilizer, lubricant and nucleating agent. According to the invention, the stability and the safety of the material are enhanced, and the potential safety hazard problem of polyamide insulation plastic, which is easy to generate due to the existence of water, is solved. The composition can be widely applied to industries such as electronics, electric and lighting, and the like.

The invention discloses an anti-cracking method for butt joint of prefabricated immersed tube concrete members. The method comprises the following steps that a heating mechanism is preset at the end,linked with a new concrete member, of an old concrete member, the end part of the old concrete member is heated to a peak temperature greater than or equal to a pouring temperature of the new concretemember, and the temperature is kept unchanged; the new concrete member is poured so that the new concrete member is linked with the end part of the heated old concrete member; and when the pouring temperature of the new concrete member reaches a peak value, the heating mechanism is closed, so that the end part of the old concrete member and the new concrete member start to be synchronously cooledfrom the same temperature peak value. According to the method, the operation is simple and convenient, the construction operation is convenient, and the effect of reducing the cracking risk of prefabricated immersed tube concrete is obvious.