203 results about "Fluoroplast" patented technology

The invention relates to a self-lubricating wear-resistant coating swash plate, which consists of a metallic matrix and a self-lubricating wear-resistant coating, wherein annular planes on two sides of the metallic matrix are coated with the self-lubricating wear-resistant coating, and the components of the self-lubricating wear-resistant coating comprise a main material of high molecular materials, fluoroplastics, solid lubricants and inorganic matters. A process for producing the self-lubricating wear-resistant coating swash plate comprises that: the self-lubricating wear-resistant coating is coated on the swash plate after being prepared into a liquid coating, and a method for preparing the liquid coating comprises the steps of using a solvent of N-methyl pyrrolidone or dimethyl acetamide to dissolve the main material of the high molecular materials first, and then adding the fluoroplastics, the solid lubricants and the inorganic matters into the mixture to perform sufficient stirring and dispersion so as to prepare the liquid coating with certain solid content. The swash plate has the advantages of good self-lubricating and wear-resistant performance, simple production process and low production cost, and does not contain metallic lead which is harmful to human bodies and the environment.

The invention relates to a closed ammonia-resistant motor with an ammonia-resistant insulation system. The closed ammonia-resistant motor with the ammonia-resistant insulation system comprises a stator core, a stator winding, slot insulation and a slot wedge, wherein the stator winding is wound inside a stator core slot, the slot insulation is used for insulating and isolating the stator winding, and the slot wedge is used for fixing the stator winding. The stator winding is aluminum conductor electromagnetic wires coated with polyphenylene sulfide; the slot insulation is compound insulation cloth which is alkali-free glass fiber cloth coated with fluoroplastic; and the slot wedge is a lamination of epoxy resin and glass fiber. The closed ammonia-resistant motor with the ammonia-resistant insulation system enable an ammonia-resistant motor to work in an environment full of ammonia refrigerant, the same with a freon-resistant motor; and is a novel motor for a closed ammonia refrigeration compressor.

The invention discloses an inkjet printing identification process for a fluorine plastic sheath phase-stabilized cable. The process includes the first step of carrying out plasma treatment on a fluorine plastic sheath so that ink can be easily immersed in scattered molecular structures of treated materials, the second step of adopting an inkjet printer with high ink adhesive force to carry out inkjet printing on the surface of the fluorine plastic sheath of the fluorine plastic sheath phase-stabilized cable, and the third step of adopting an electric heater to heat and solidify ink inkjet printing identifications on the surface of the fluorine plastic sheath after inkjet printing is conducted on the surface of the fluorine plastic sheath of the fluorine plastic sheath phase-stabilized cable. A plasma treatment machine is utilized, so that ink is prone to adhering to the surface of the sheath of the fluorine plastic sheath phase-stabilized cable; the electric heater is used for heating and solidifying, so that firmness and productivity of the identifications are improved.

The invention relates to a front plate packaging structure of a solar module. An ETFE (Ethylene Tetra Fluoro Ethylene) fluoroplastic film (5), a first EVA (Ethylene-Vinyl Acetate) film (4), a cell slice (3), a second EVA film (2) and a back plate (1) are sequentially arranged on the upper surface of the solar cell module (6) from bottom to top. Compared with conventional tempered glass, the packaging structure disclosed by the invention has a better optical matched characteristic and not only has an excellent adsorption effect on main spectral response light of the cell slice, but also has a good light transmitting effect on light of which the wavelength is in the range of 320 to 1,200nm, so that the conversion efficiency of the solar module is improved and the packaging loss is reduced.

Provided is a fluoroplastic cable. The cable comprises a cable core. The cable is characterized in that the cable core is formed by twisting a plurality of wires A, a high-temperature vulcanized silicone rubber layer is arranged outside the cable core, a rubber tube is arranged outside the high-temperature vulcanized silicone rubber layer, the rubber tube is also made of high-temperature vulcanized silicone rubber, non-Newtonian fluid is arranged between the high-temperature vulcanized silicone rubber layer and the rubber tube, a glass fiber layer is arranged outside the rubber tube, a plurality of wires B are evenly distributed in the glass fiber layer, a graphite fiber layer is arranged outside the glass fiber layer, a Kevlar fiber layer is arranged outside the graphite fiber layer, a polyurethane sheath layer is arranged outside the Kevlar fiber layer, and an aluminum tape armor layer is arranged outside the polyurethane sheath layer. The cable has the beneficial effects that the cable has excellent stability, compression resistance and impact resistance, and can be used for a longer time when an accident occurs.

The invention discloses a fluoroplastic combining device and method and provides a combining device and method of a composite PTFE plate, which are capable of completely changing the non-sticky property of fluoroplastic and endowing the PTFE plate with excellent corrosion resistance and enable the PTFE plate to be spliced and combined with other materials. The technical problems that the PTFE plate treatment technology is only limited to surface treatment, and a lining layer is peeled and bulged and even worse, severe safety accidents are resulted because a surface activation layer easily loses effectiveness are solved. The combining device comprises a first drying tunnel and a second drying tunnel which are arranged side by side, wherein a PTFE plate unwinding machine and a composite film unwinding machine are arranged at the inlet end of the first drying tunnel side by side; the PTFE plate and a composite film are synchronously introduced into the first drying tunnel through a fixed-speed base material conveying mechanism after being superposed; a glass fiber cloth unwinding machine is arranged at the inlet end of the second drying tunnel; a plating press is arranged between the outlet ends of the first drying tunnel and the second drying tunnel; the PTFE plate and the composite film, which go out of the first drying tunnel, and glass fiber cloth going out of the second drying tunnel are superposed and then are extruded and combined through the plating press to form the composite PTFE plate; the composite PTFE plate winds a winding roller through a cooling mechanism.

The invention relates to an injection-moldable conductive heat-conduction modified fluoroplastic material which is prepared from the following components in parts by weight: 50 to 100 parts of conductive heat-conduction modified basic fluoroplastic, 10 to 30 parts of an auxiliary material, 0 to 20 parts of a filling material and 5 to 30 parts of a processing auxiliary. The conductive heat conduction modified basic fluoroplastic is formed by performing in-situ polymerization on tetrafluoroethylene, perfluoro propyl vinyl ether, a conductive heat-conduction medium material and the auxiliary. The injection-moldable conductive heat-conduction modified fluoroplastic material has the beneficial effects that according to the prepared fluoroplastic, the conductive heat-conduction medium material is added in the polymerization process; by adoption of an in-situ polymerization technology, the volume resistivity (about 103 to 104) of the material is greatly reduced, and the heat conduction performance is improved (the heat conduction coefficient is greater than 3W/(m.K)), so that the injection-moldable conductive heat-conduction modified fluoroplastic material is higher in conductivity and heat conduction performance on the basis of chemical resistance and aging resistance. The technology is simple, the production efficiency is high, and no pollution waste is produced.

The invention discloses a nickel base alloy material resisting abrasion and hydrofluoric acid corrosion and manufacturing fluoroplastic machining components and a preparing method of the nickel base alloy material. The nickel base alloy material comprises, by weight percent, 0.03%-0.10% of C, 0.2%-1.0% of Cr, 1.5%-2.5% of B, 2.0%-3.5% of Si, smaller than or equal to 2.0% of Fe, 12%-26% of Cu and the balance Ni. Induction heating smelting is mainly adopted, then direct forming is achieved through pouring, or powder is obtained through atomizing, and then, a powder metallurgy forming method is used for manufacturing the fluoroplastic machining components. Compared with a hastelloy C, the nickel base alloy material resisting abrasion and hydrofluoric acid corrosion and manufactured through the method has better hydrofluoric acid corrosion resisting performance and abrasion resisting performance, the manufactured fluoroplastic machining components meet the requirements of abrasion resistance and corrosion resistance of the fluoroplastic machining components, the service life is greatly prolonged, and component replacing cost is saved.

The invention relates to a spring-loaded type fluorine lining safety valve and a valve clack assembly thereof as well as a processing method of the valve clack assembly, which mainly aim to solve the problems of easiness in leakage, high price and high cost of a bellows of an existing spring-loaded type fluorine lining safety valve. The spring-loaded type fluorine lining safety valve and the valve clack assembly are characterized in that the valve clack assembly comprises a valve clack, a bellows and an installation disc and is integrally processed and formed by adopting fluoroplastics. The spring-loaded type fluorine lining safety valve and the valve clack assembly have the advantages that the valve clack assembly is integrally processed and formed, and compared with a separated structure, the integrated structure has the advantages of no gap, good sealing effect and zero leakage; additionally, the fluoroplastics which have the advantages of good corrosion resistant performance and low price are adopted, so that the manufacturing cost is greatly reduced.

The invention discloses a water absorption rake structure of an automatic ground washing machine. The water absorption rake structure of the automatic ground washing machine comprises a front pressing bar, a front rubber sheet, a main body support, a rear rubber sheet and a rear pressing bar which are sequentially arranged in the front and rear direction. The main body support comprises an upper side plate and a lower side plate, the front side face and the rear side face of the lower side plate are each provided with inserting connection heads, and the front pressing bar, the front rubber sheet, the rear rubber sheet and the rear pressing bar are each correspondingly provided with inserting holes matched with the inserting connection heads; the main body support further comprises a seal plate which is arranged under the lower side plate and used for preventing air leakage occurring between the inserting connection heads and the inserting holes in the water absorption process of the water absorption rake. Due to the fact that the sealing plate is additionally arranged, in the water absorption process of the water absorption rake, the air leakage does not occur between gaps of the inserting connection heads and the inserting holes, and the water absorption capacity of the water absorption rake is improved; meanwhile, the main body support is made of ferrous materials coated with fluoroplastic, and the main body support is low in manufacturing cost, good in anti-corrosion effect and long in service life.

The invention discloses a flat-shaped power cable connected through a frame. The power cable comprises a plurality of lead wires which are arrayed side by side horizontally. Polyethylene insulation layers and low-smoke-zero-halogen flame retardant belt outer taped covering layers are wrapped outside the lead wires in sequence respectively. A flat-shaped structure inner protecting sleeve layer is wrapped outside all the low-smoke-zero-halogen flame retardant belt outer taped covering layers. The rubber frame is arranged in the inner protecting sleeve layer. Adjacent lead wires are connected together through the rubber frame. The inner portions of the low-smoke-zero-halogen flame retardant belt outer taped covering layers are filled with high-temperature-resistant fiber filaments. A flat-shaped structure copper belt shielding layer, an armor layer formed by steel wires which are twisted to form beams and a fluoroplastic outer protecting sleeve layer are wrapped outside the low-smoke-zero-halogen flame retardant belt outer taped covering layers in sequence. A fire-resistant mica layer is arranged between the copper belt shielding layer and the armor layer. The structure improvement is simple and practical, the whole pressure-resisting mechanical performance is improved, meanwhile, an inflaming-retarding fire-resistant structure layer is arranged, and practicability is good.

The invention discloses an ammonia-resistant fluoroplastic composite soft material. The ammonia-resistant fluoroplastic composite soft material comprises an electrical alkali-free glass fiber cloth. Fluoroplastic coatings are coated on two surfaces of the electrical alkali-free glass fiber cloth. The ammonia-resistant fluoroplastic composite soft material has good ammonia resistance and certain strength, can be used for a refrigerating fluid-resistant motor and is not damaged so that good slot insulation and phase insulation performances of the refrigerating fluid-resistant motor are guaranteed, and the refrigerating fluid-resistant motor adopting the ammonia-resistant fluoroplastic composite soft material satisfies slot insulation and phase insulation requirements in an ammonia refrigerating environment and works for a long time. Through the ammonia-resistant fluoroplastic composite soft material, the refrigerating fluid-resistant motor can be used in a closed refrigeration compressor system adopting ammonia as a refrigerating fluid.

The invention discloses a mining cable of a flat structure. The mining cable comprises a plurality of wires. The wires are twisted and bundled into multiple sets. An isolating layer wraps each set of wires. Insulating layers wrap the isolating layers of the multiple sets of wires respectively. The multiple sets of wires are horizontally arrayed in parallel. An aluminum-polyethylene bonding layer wraps all the insulating layers of the multiple sets of wires. Vertical nylon fiber frameworks are arranged at the portions, between the adjacent sets of wires, in the aluminum-polyethylene bonding layer. High-temperature-resistant filaments are wound around the outer surfaces of the nylon fiber frameworks. A ceramic silicone rubber flame-retardant layer, a medal shielding layer, a tear-resistant layer and a fluoroplastic protective sleeve layer sequentially wrap the aluminum-polyethylene bonding layer, wherein the tear-resistant layer is formed by weaving polyester silks. The metal shielding layer is filled with magnesium oxide powder, and steel ropes are arranged in the magnesium oxide powder. The mining cable is simple in structure; the frameworks are added to the mining cable of the flat structure, and therefore pressure resistance of the whole cable is improved, practicability is higher, and meanwhile flame retardance and high temperature resistance are high.

The invention discloses fluoroplastic or elastic body insulation chlorinated polyethylene jacket feeding and signal cable, and the cable is composed of a cable core, a communication core and an electroline cores. The communication core forms an insulated core through guide and external package of an insulated material, the insulated core is twisted to package a polyester film, and a metal shielding layer is arranged outside the polyester film, a non-woven fabric is packaged outside the metal shielding layer so as to serve as a protective layer; 6 lectroline cores are concentrically twisted on the periphery of the communication core, a PP (parcel post) laniating strap is filled in a gap, and two layer of polyester films are packaged on the periphery of the twisted cable core; and the metal shielding layer is knitted outside the polyester film, a low-smoke no-halogen antiflaming strap is packaged outside the metal shielding layer, and a CPE ( chlorinated poly ethylene) material of an outer package of the antiflaming strap is utilized as an outer sheath. The cable provided by the invention has the advantages that the cable is suitable for being used in a field moving condition, the operating temperature range is minus 40-90 DEG C, the wearability is good, the circumnutating resisting property is strong, ultraviolet radiation is resisted, the core and skin can not be broken after being repeatedly circumnutated, and a drag chain cable used for an abrasion-resistant and circumnutating-resisting port machinery has long service life.

The invention discloses a back plate film of a solar cell. The back plate film comprises fluoroplastic films on the inner and outer layers adhered by an adhesive and a moisture resisting film on a middle layer, wherein the fluoroplastic films are grafted with acrylate substances. The fluoroplastic films are grafted with acrylate substances through irradiation, and the grafting chain is connected with the fluoroplastic through a chemical bond, being relatively stable and not weakening with the time lasting; and therefore, the sticking property between the prepared back plate film of the solar cell and an EVA (ethylene vinyl acetute) adhesive film as well as the stability of the back plate film is ensured, and the service life of the prepared back plate of the solar cell is long.

The present invention relates to a fluoroplastic butterfly valve structure, including a valve body, a butterfly disc, a lining, and a back-up ring. The butterfly disc has a disc-like structure and includes an inner metallic butterfly disc and an outer fluoroplastic material enclosing the metallic butterfly disc. The butterfly disc is provided with a valve shaft and includes two bulging portions for connecting with the valve shaft. The butterfly disc has a board-like or cone-like cross section. The valve shaft is mounted in a shaft hole portion of the valve body, enabling rotation of the butterfly disc for adjusting flow amount or opening/closing the valve. The back-up ring and the fluoroplastic lining are mounted on an inner peripheral surface of the valve body. An outer rim of the butterfly disc and an inner surface of the lining are tightly pressed against each other by interference fit. The back-up ring is provided between the inner peripheral surface of the valve body and the lining and is made of high temperature resistance rubber in order for bearing the pressing pressure of deformation resulted from said interference fit, thereby meeting the requirement of working with a high-temperature (200 degree Celsius) and high-pressure fluid. The butterfly disc has a complex sealing structure, which includes an unequal-width conical surface and an unequal-width curved surface. The unequal-width curved surface is disposed in a closing direction of the butterfly disc for preventing interference sliding thereof with respect to the inner surface of the lining, thereby reducing deformation of lining and reducing torque. The unequal-width curved surface is composed of arc curves. A portion of the unequal-width curved surface which is at a position near the valve shaft has a longer arc, while a portion of the unequal-width conical surface which is at a position near the valve shaft has a smaller width, said smaller width exceeding 50 percent of a thickness of the outer rim of the inner metallic butterfly disc. Take a 3-inch butterfly disc as an example, where a thickness of the butterfly disc is 8 mm, a sealing width of the butterfly disc is greater than 4 mm. A portion of the unequal-width curved surface which is at a largest-diameter region of a central of the butterfly disc has a shortest arc, while a portion of the unequal-width conical surface which is at the largest-diameter region of the central of the butterfly disc has a largest width, said largest width exceeding 70 percent of the thickness of an outer rim of the inner metallic butterfly disc of the butterfly disc.

The invention belongs to the field of ETFE films, and discloses an ETFE film panel for a perovskite flexible solar panel, which comprises the following raw materials: ETFE resin, a functional additive, graphene, an antistatic agent, a tensile agent and a flame retardant, and is characterized in that the melt index of ETFE is 15-25; the functional additive comprises any one or more of a conventional fluoroplastic additive and a conventional engineering additive, and the weight ratio of the ETFE resin to the functional additive to the graphene to the antistatic agent to the tensile agent to theflame retardant is 100: (10-20): (3-5): (1.5-2.5): (5-8): (4-6). The preparation method is simple to operate, the thickness and quality of the product are controllable, the preparation technology is easy to master, the obtained ETFE thin film panel for the perovskite flexible solar panel has high temperature resistance, good chemical property, weather resistance, light transmittance, tensile resistance, non-stick property and insulativity, and the thin film panel does not contain impurities such as dust and is good in product quality.

The invention discloses an alloy sealing ring. A fluoroplastic sealing cartridge is arranged on the outmost layer, a middle fixing shaft is arranged in the middle and is connected with a cross-shaped copper support, the copper support is filled with a filler layer, aluminum alloy supporting protrusions are connected to the outer side of the filler layer, and meanwhile, sealing ring flange connecting holes are formed in the periphery of the fluoroplastic sealing cartridge. The alloy sealing ring is high in abrasion resistance, high in corrosion resistance, reasonable in structure and high in strength.

The embodiment of the invention discloses a compound oil conveying tube. The compound oil conveying tube comprises an oleophobic conductive layer, a blocking layer and a wear-resisting layer from inside to outside, wherein the oleophobic conductive layer is an organic fluorine resin layer; a layer of base body covers the position, towards the pipeline of the oil conveying tube, of the organic fluorine resin layer; the base body is made of non-woven fabric; the oleophobic conductive layer is mixed with metal wires or a nonmetal conducive material; the blocking layer is made of THV fluoroplastic; the wear-resisting layer is a ultra-high molecular weight polyethylene layer or a glass fiber layer; and a PVC/PU coating is coated on the outer surface of the wear-resisting layer. The compound oilconveying tube solves the problems that an existing oil conveying tube of a gas station is high in oil separation-out rate, and static electricity is generated by friction.

The invention provides a high-temperature-resistant and high-pressure-resistant submersible motor winding wire and a manufacturing process thereof, and relates to a motor winding wire, which comprises a wire core consisting of at least three bare copper wires, a polymer composite material film layer which coats the outside of the wire core; an adhesion layer which coats the outer surface of the polymer composite material film layer; and a fluoroplastic insulating layer which wraps the adhesion layer, is tightly attached to the polymer composite material film layer through the adhesion layer, and applies radial pressing force to the wire core. The diameter of the winding wire is smaller than that of a traditional wire rod with the same rated voltage, the rated voltage of the winding wire is higher than that of a traditional wire rod with the same diameter, the winding wire can resist high voltage and is good in insulativity, meanwhile, the winding wire can be used in a high-temperature environment, the operation stability of the submersible motor is guaranteed, and the size of the motor is reduced.

The invention relates to a preparation method of a high current density stacked high temperature superconducting degaussing cable which can load high current, and belongs to the field of high temperature superconducting degaussing cables. The preparation method comprises the following steps: determining the number of superconducting tapes; determining the thickness of an insulating layer and a winding structure of the insulating layer, and performing eliminating treatment on the insulating layer; selecting nylon or fluoroplastics to wind to serve as an isolating tape, and winding the outer side of the insulating layer with the isolating tape; integrating a core body which is wound with the insulating layer and the isolating tape in a low-temperature Dewar tube; a liquid nitrogen channel isreserved between the low-temperature Dewar tube and the isolating tape; an outer protective sleeve is arranged on the outer side of the low-temperature Dewar tube. According to the preparation methodof the high current density stacked high temperature superconducting degaussing cable, a stacked cable core body structure is adopted, so that the current density of a current-carrying conductor canbe further improved; the high current density stacked high temperature superconducting degaussing cable has lower weight and smaller size; moreover, the structure is simplified and the production is facilitated.

The invention discloses a smart energy high-tension-resistance cable and a production technology therefor. The cable sequentially comprises a reinforcing core, a cable core, a first polyester belt, a rubber spacer layer, a composite aluminum-plastics tape, a copper wire shielding layer, a second polyester belt, an internal sheath, a first braided layer, an external sheath and a second braided layer from the inside to the outside. The cable core comprises 36 wire cores. Each wire core sequentially comprises a conductor and a fluoroplastic insulation layer from the inside to the outside. The reinforcing core (1) is formed by the braiding of kevlar, and the external diameter of the reinforcing core (1) is determined through a formula: D=(4.15+k)*d, wherein k is a compression coefficient. When d is from 1.0 mm to 2.0mm, k is equal to 0.05; when d is from 2.0 mm to 4.0 mm, k is equal to 0.07, wherein d is the diameter of an insulating cable core. The weight (kg) that the reinforcing core (1) can bear is determined according to the formula: M=37.7*D2, wherein D is the external diameter of the reinforcing core (1), and the unit is mm. The cable is compact and stable in structure, is high in tensile strength, is high in softness, is small in collision sound of water and the cable, and is excellent in performance.