128 results about "ETFE" patented technology

The application discloses a cross-linked ETFE composite film with gradient ultraviolet shielding function and a preparation method and application thereof, and belongs to the technical field of ETFE film preparation. The cross-linked ETFE composite film is composed of three layers of a surface layer, a middle layer and a bottom layer. The surface layer material comprises ETFE resin and fluorinated carbon quantum dots; the middle layer material comprises ETFE resin, allyl-containing comonomer A and phenyl-containing comonomer B; and the bottom layer material comprises ETFE resin and CeO2 nanowires. The fluorinated carbon quantum dots have a particle size of 3-5 nm and contain a -C4F9 structure. The comonomer A is an allyl-containing fluorine olefin monomer, and the comonomer B is a phenyl-containing organic fluorinated compound. Through the synergistic effect of the surface layer self-migration fluorinated carbon quantum dots, the middle layer copolymerization modification and the bottom layer CeO2 nanowires, high light transmittance, full-waveband ultraviolet shielding and long-term weather resistance are achieved.

The invention relates to the technical field of electric wires and cables, and discloses a fluoroplastic insulating high-temperature-resistant fireproof cable and a preparation method thereof.The cable comprises a conductor layer, the conductor layer is formed by twisting multiple strands of copper wires, the periphery of the conductor layer is coated with a fluoroplastic insulating layer, the periphery of the fluoroplastic insulating layer is coated with a shielding layer, and the shielding layer is arranged on the periphery of the conductor layer. The shielding layer is of a copper strip braided structure, the periphery of the shielding layer is coated with an armor layer, the armor layer is braided by stainless steel wires, the periphery of the armor layer is coated with a sheath layer, and the sheath layer comprises the following components in parts by mass: 50-70 parts of functionalized ethylene-tetrafluoroethylene copolymer. According to the invention, an interpenetrating polymer network formed by in-situ crosslinking of the functionalized fluoropolymer and the organosilicon elastomer is constructed in the sheath layer, and an energy field gradient response vulcanization process is adopted, so that the prepared cable sheath maintains the inherent high temperature resistance of fluoroplastic, and the flexibility and mechanical strength of the material are improved at the same time.

The invention discloses a release film for semiconductor packaging based on PET and ETFE compounding and a preparation method of the release film, and belongs to the technical field of film materials, the release film structurally comprises a PET base material layer, an adhesive layer and an ETFE layer which are sequentially arranged, and the adhesive layer is prepared from the following raw materials in parts by mass: 40-60 parts of fluorine-containing acrylate compound; 20 to 30 parts of epoxy modified organic silicon resin; 5 to 10 parts of nano silicon dioxide; 1 to 2 parts of a photoinitiator; wherein the surface of the contact side of the PET base material layer and the adhesive layer is subjected to plasma treatment or corona treatment, and the dyne value is larger than or equal to 50 mN / m; the surface of the side, making contact with the adhesive layer, of the ETFE layer is subjected to fluoridation treatment, and the surface roughness Ra is smaller than or equal to 1 micrometer. The release film has the advantages of controllable release force in a range of 0.1-5N / 25mm, good stability, temperature resistance of 175 DEG C, good organic solvent resistance, and wide application prospect in the field of semiconductor packaging.

The invention relates to the technical field of coating preparation, and provides a super-hydrophobic oleophobic epoxy anticorrosive wear-resistant powder coating and a preparation method thereof. According to the coating, phenolic epoxy resin and bisphenol A epoxy resin are used as matrix resin, phenolic hydroxyl resin is used as a curing agent, super-hydrophobic / oleophobic carbon nanotubes are used as a modifier, ethylene-tetrafluoroethylene copolymer and polyamide resin are used as flexibilizers, super-hydrophobic / oleophobic nano silicon dioxide powder and super-hydrophobic hollow glass beads are used as fillers, and the super-hydrophobic / oleophobic nano silicon dioxide powder and the super-hydrophobic hollow glass beads are used as fillers. The super-hydrophobic and oleophobic epoxy anti-corrosion wear-resistant powder coating is prepared by taking an inorganic pigment as a coloring agent through the steps of material preparation, premixing, melt extrusion, tabletting, cooling, crushing and sieving under the cooperation of various functional assistants. The powder coating is subjected to electrostatic spraying (40-70 KV), the coating film thickness is about 350 microns, and the powder coating is cured into a film after being subjected to hydrophobic / oleophobic min at 180 DEG C / 5 min or 230 DEG C / 1.5 under the baking condition of 180 DEG C / 5 min. The contact angles of oil drops and water drops can reach 160 degrees and 161 degrees respectively, and the rolling angles are 2 degrees and 1 degree respectively.

The invention relates to the technical field of cables, and provides a corrosion-resistant aerial insulated cable and a manufacturing method thereof. A corrosion-resistant overhead insulated cable sequentially comprises a conductor, a shielding layer and an insulating layer from inside to outside, and the insulating layer is prepared from the following raw materials in parts by weight: 65-75 parts of high-density polyethylene, 5-7 parts of modified kaolin, 13-17 parts of ethylene-tetrafluoroethylene copolymer, 0.5-2 parts of antioxidant, 1-3 parts of plasticizer, 8-10 parts of flame retardant and 0.5-1.5 parts of lubricant; wherein the modified kaolin is prepared by the following steps: firstly, modifying kaolin by vinyltriethoxysilane for the first time to obtain silanized kaolin, and then modifying the silanized kaolin by lauryl amine dipropylidene diamine and gamma-glycidyl ether oxyethyl trimethoxysilane for the second time. According to the technical scheme, the problem of poor corrosion resistance of the overhead insulated cable in the prior art is solved.

This application relates to the field of insulating materials, specifically disclosing a flexural insulating material, its preparation method, and a robot cable, comprising the following raw materials in parts by weight: 50-80 parts of low-density polyethylene, 30-40 parts of medium-density polyethylene, 30-40 parts of ethylene-tetrafluoroethylene-perfluoropropyl vinyl ether terpolymer, 1-20 parts of filler, 3-8 parts of compatibilizer, 0.1-5 parts of crosslinking agent, and 0.1-5 parts of co-crosslinking agent. This invention addresses the performance shortcomings of existing insulating materials, achieving a balance of flexural resistance, abrasion resistance, insulation stability, and excellent flexibility, thus meeting the stringent requirements of high-frequency cables used in robots / manipulators.

The invention discloses an antistatic teflon sleeve and a preparation method thereof. The antistatic teflon sleeve is prepared from the following components in parts by weight: 80-95 parts of teflon resin, 5-20 parts of a core-shell structure conductive filler, 1-3 parts of a compatilizer, 0.5-2 parts of a flexibilizer and 0.1-0.5 part of an antioxidant. The outer protective layer is prepared from the following components in parts by weight: 70 to 85 parts of ethylene-tetrafluoroethylene copolymer, 5 to 15 parts of modified nano silicon dioxide, 5 to 10 parts of fluororubber, 1 to 3 parts of antistatic aid and 0.1 to 0.5 part of ultraviolet absorbent. Through the design of the core-shell structure conductive filler, the core layer nano copper powder provides high conductivity, the shell layer PVDF has good compatibility with the Teflon base material, the surface modification layer further enhances the interface bonding force, the volume resistivity of the inner layer base material is reduced, and the antistatic requirement is met; the conductive filler is uniformly dispersed in the base material instead of a surface coating, so that the antistatic performance failure caused by friction or bending is avoided, and the antistatic performance is lasting and stable.

The application relates to the technical field of electric wire and cable, and discloses a fluoroplastic insulation high-temperature-resistant fireproof cable and a preparation method, the cable comprises a conductor layer, the conductor layer is twisted by multiple copper wires, the conductor layer is coated with a fluoroplastic insulation layer, the fluoroplastic insulation layer is coated with a shielding layer, the shielding layer is a copper-belt woven structure, the shielding layer is coated with an armor layer, the armor layer is woven by stainless steel wires, the armor layer is coated with a sheath layer, and the sheath layer comprises the following components in mass fractions: functionalized ethylene-tetrafluoroethylene copolymer, 50-70 parts by mass. The application constructs an interpenetrating polymer network formed by in-situ crosslinking of a functionalized fluoropolymer and an organic silicon elastomer in the sheath layer, and adopts an energy field gradient response vulcanization process, so that the prepared cable sheath keeps the inherent high-temperature resistance of fluoroplastic, and the flexibility and mechanical strength of the material are improved.

The application discloses a kind of super-high flexible robot cables, belong to robot cable technical field.Symmetrical layered structure is used, from inside to outside in turn: cable core, insulating layer, shielding layer and sheath layer.Cable core uses layered structure of stranding, significantly improve the fatigue resistance of cable, prolongs service life;Insulating layer uses ethylene-tetrafluoroethylene copolymer, with good flexibility, and can adapt to complex working environment;Shielding layer uses aluminum foil-tin coated copper wire, provides good electromagnetic shielding effect, reduces signal interference, improves the operation accuracy and reliability of robot system;Sheath layer uses thermoplastic polyurethane elastomer as matrix, and introduces the modifier of independent research and development, substantially improves the flame retardance and flexibility of cable;Therefore, the cable prepared by the application has high flexibility and flame retardance, and can be widely used in industrial robots, medical manipulators, service robots and other high-demand scenarios.

The invention provides a preparation method of a high-tensile double-sided mirror surface ETFE film, and relates to the technical field of high polymer materials, and the preparation method specifically comprises the following steps: preparing an ETFE resin material by taking ethylene, tetrafluoroethylene and hexafluoropropylene as monomers through polymerization; extruding the ETFE resin material to obtain a melt material; the melt material is firstly subjected to longitudinal stretching, then subjected to transverse stretching and finally subjected to heat setting, partition temperature control is adopted during longitudinal stretching and transverse stretching, and a stretched film is obtained; and heating the stretched film to 120-140 DEG C at the rate of 2-5 DEG C / min, and annealing to obtain the high-stretching ETFE film. According to the ETFE film and the preparation method thereof disclosed by the invention, by effectively selecting the types of the monomers during preparation of the ETFE, optimizing the ratio of the monomers and optimizing the processing technology, the obtained ETFE film has excellent tensile property while keeping high light transmittance and chemical resistance.

The utility model discloses a flexible photovoltaic assembly suitable for a marine environment. The battery comprises a battery layer, an upper CPC material layer is bonded to the upper portion of the battery layer through a second packaging adhesive film layer, a polypropylene resin glass fiber composite material layer is bonded to the lower portion of the battery layer through a third packaging adhesive film layer, an ethylene-tetrafluoroethylene copolymer material layer is bonded to the upper portion of the upper CPC material layer through a first packaging adhesive film layer, and a polypropylene resin glass fiber composite material layer is bonded to the lower portion of the battery layer through a second packaging adhesive film layer. A lower CPC material layer is adhered to the lower portion of the polypropylene resin glass fiber composite material layer through a fourth packaging adhesive film layer, the upper portion of the ethylene-tetrafluoroethylene copolymer material layer is coated with an upper organic silicon anti-corrosion elastic coating, and the lower portion of the lower CPC material layer is coated with a lower organic silicon anti-corrosion elastic coating. The advantages are that a multi-layer packaging design (four layers of packaging materials and four layers of packaging adhesive films) forms a high-strength composite structure, and the overall impact resistance, corrosion resistance and sealing performance of the assembly are further improved, so that the assembly is more suitable for a complex marine environment.

The application discloses a kind of space stable organic radiation refrigeration coatings and preparation method and application thereof, including optical layer and protective layer coated on the optical layer;The optical layer includes the following components by mass fraction:25~35% first polymer matrix, 35~45% first organic scattering particles, 20~40% first organic solvent;The protective layer includes the following components by mass fraction:60~75% second polymer matrix, 5~10% second organic scattering particles, 15~35% second organic solvent;Wherein, the first organic scattering particles and second organic scattering particles are independently selected from one or several of polytetrafluoroethylene, perfluoroolefin ether alkane, ethylene-tetrafluoroethylene copolymer respectively.In the meantime that space stability is guaranteed, coating weight is significantly reduced, and a new idea of considering performance and cost is provided for spacecraft thermal control.

The utility model discloses a double-sided frosted ETFE film for packaging a semiconductor memory chip, which comprises a film main body, a cementing layer fixedly connected to the upper surface of the film main body, a transition layer fixedly connected to the upper surface of the cementing layer, a transverse tensile layer fixedly connected to the upper surface of the transition layer, and a transverse tensile layer fixedly connected to the lower surface of the transverse tensile layer. The upper surface of the transverse tensile layer is fixedly connected with a longitudinal tensile layer, the upper surface of the longitudinal tensile layer is fixedly connected with a fixed layer, the upper surface of the fixed layer is fixedly connected with an elastic column, and the upper end of the elastic column is fixedly connected with an elastic layer. The situation that the ETFE film body is damaged in the pulling process is avoided; the film main body is connected with other functional layers through the cementing layer, and the functional layers above the transition layer can be torn down, so that the antistatic layer and the anti-friction layer can be replaced when damaged, and the whole film does not need to be replaced.

The invention relates to the technical field of cables, and discloses a light weather-proof insulated cable for an unmanned aerial vehicle. The insulated cable sequentially consists of a conductor, a carbon-based coating insulating layer and a modified aramid sheath layer, the carbon-based coating insulating layer is composed of an inner skin layer ETFE ethylene-tetrafluoroethylene copolymer, a middle layer foaming ETFE ethylene-tetrafluoroethylene copolymer and an outer skin layer carbon-based coating. And weaving and wrapping the modified aramid fiber on the surface of the carbon-based coating insulating layer of the conductor through a high-speed weaving machine to form a modified aramid sheath layer. Organic silicon aromatic polyamide contains a large number of aromatic polyamide structural units, the compatibility with aramid fibers is remarkably improved, the organic silicon aromatic polyamide can be uniformly dispersed in the aramid fibers, and the organic silicon aromatic polyamide contains a flexible siloxane structural monomer and a rigid aromatic polyamide structural unit, so that the fibers have excellent elongation at break and flexibility while keeping high breaking strength, and the mechanical property of the fibers is improved. And as a sheath layer of the cable, the cable is convenient to wind.

This invention relates to the field of polymer synthesis technology. This invention provides a controlled polymerization method for a high-alternation-degree ETFE copolymer, comprising the following steps: (1) adding a solvent to a high-pressure reactor, replacing the air, and then filling it with an initial monomer mixture to a total pressure of 1.5-2.5 MPa, wherein the monomer mixture is a mixture of tetrafluoroethylene and ethylene; (2) heating to 60-85°C, adding an initiator to initiate the polymerization reaction; (3) simultaneously adding the monomer mixture continuously or semi-continuously during the polymerization reaction; (4) adding a chain transfer agent, and discharging the product after the reaction, i.e., the high-alternation-degree ETFE copolymer. This invention also provides a controlled polymerization method for a high-alternation-degree ETFE copolymer. This invention also provides an application of the high-alternation-degree ETFE copolymer in new energy, aerospace, high-end equipment manufacturing, and photovoltaic fields. The high-alternation-degree ETFE copolymer of this invention has high alternation degree (>92%), high thermal stability, and excellent mechanical properties.

The invention relates to the technical field of building materials, and particularly discloses anti-crack bare concrete. The anti-cracking bare concrete is prepared from the following raw materials in parts by weight: 320 to 340 parts of cement, 48 to 52 parts of stone powder, 9 to 11 parts of silicon powder, 43 to 47 parts of an anti-cracking agent, 720 to 740 parts of natural sand, 730 to 750 parts of granite macadam with the particle size of 10 to 20 mm, 290 to 310 parts of granite macadam with the particle size of 5 to 10 mm, 150 to 160 parts of water and 9 to 11 parts of a polycarboxylate superplasticizer. Wherein the anti-cracking agent is prepared from the following raw materials: carbon nanofibers, phase change microcapsules, an ethylene-tetrafluoroethylene copolymer, hyperbranched polyester, a silane coupling agent and a nano silicon dioxide dispersion liquid. The anti-crack fair-faced concrete can be used for engineering scenes with requirements for apparent quality and durability, and has the advantages of long-acting crack resistance, high anti-permeability grade and excellent volume stability.

The present disclosure relates to an optical fiber cable (400, 500) comprising one or more optical fibers (202), a coating (104) disposed on an outermost surface (108) of the one or more optical fibers (202), and a sheath (406) surrounding the one or more optical fibers (102). In particular, the coating (104) has a thickness less than 10 micrometres (μm). Further, the coating (104) is made up of a fluoropolymer based hydrophobic resin material such as, perfluoroalkoxy (PFA), fluorinated ethylene propylene (FEP), ethylene tetrafluoroethylene (ETFE), and terapolymer (EFEP).

The invention relates to the technical field of cable protection layers, in particular to a corrosion-resistant underground cable protection layer and a preparation method thereof. The corrosion-resistant underground cable protection layer comprises 75-82 parts of high-density polyethylene, 10-15 parts of an ethylene-tetrafluoroethylene copolymer, 4-6 parts of a compatibilizer, 10-15 parts of glass fibers, 1-3 parts of calcium stearate, 5-10 parts of a dopamine modified filler, 5-10 parts of aminated boron nitride, 1-4 parts of a waterproof agent, 6-10 parts of a flame retardant and 2.5-3 parts of an antioxidant. The dopamine modified filler comprises dopamine modified polyaspartic acid and dopamine modified zinc oxide. According to the invention, the high-density polyethylene and the ethylene-tetrafluoroethylene copolymer are taken as a matrix and are matched with the dopamine modified filler, so that the underground cable protection layer is endowed with excellent acid and alkali corrosion resistance. And by adding aminated boron nitride and glass fiber, the mechanical strength is further improved, and the service life of the cable protection layer is remarkably prolonged.

The invention relates to the technical field of film compounding, and discloses an OCA optical cement-based ETFE film and water oxygen barrier film compounding process, which comprises the following steps: S1, ETFE film pretreatment; s2, pretreating a water-oxygen barrier film; s3, preparation of OCA optical cement; s4, coating is conducted; s5, compounding; s6, staged curing is conducted; and S7, carrying out online detection. According to the ETFE film and water-oxygen barrier film compounding process based on the OCA optical cement, the composite surface of the ETFE film is treated through argon-oxygen mixed gas plasma, the chemical inertness of the surface of the ETFE film is broken, and the affinity of the ETFE film and the OCA optical cement is improved; meanwhile, the composite surface of the AlO-SiO composite barrier film is coated with the KH560 layer, the KH560 layer can serve as a connecting bridge between the AlO-SiO composite barrier film made of an inorganic material and the OCA optical cement made of an organic material, the interfacial compatibility of the AlO-SiO composite barrier film made of the inorganic material and the OCA optical cement made of the organic material is improved, and therefore the peel strength between film layers after compounding is improved, the decrease amplitude of the peel strength after ultraviolet aging can be reduced, and the service life of the AlO-SiO composite barrier film is prolonged. The long-term use reliability of the composite membrane is ensured.

The present invention relates to the field of charging cables and discloses a cable for a DC charging system of a new energy vehicle. The cable comprises, from the inside to the outside, an inner lining layer, a shielding layer, and a sheath layer. The inner lining layer is provided with two power cores, one ground cable core, one signal control core, and two auxiliary power cores. The power core comprises a conductor and an insulating layer extruded on the outer surface of the conductor. The signal control core is provided with two signal cores. The outer surfaces of the signal cores are sequentially covered with an aluminum-plastic composite tape shielding layer and a copper wire braided shielding layer. The sheath layer is prepared by drawing a sheath layer material out of the outer periphery of the shielding layer through an extrusion device. The sheath layer material comprises: polyvinyl chloride, nitrile rubber, ethylene-tetrafluoroethylene copolymer, modified aramid fiber, modified nano titanium dioxide, a stabilizer, a plasticizer, and a lubricant. The present invention imparts excellent flame retardant properties, high-temperature aging resistance, and mechanical properties to the material by adding modified aramid fiber and modified nano titanium dioxide.

The application discloses a three-layer composite material for a gear pump and a preparation method thereof. The composite material comprises a metal base layer, a copper powder layer sintered on one side of the metal base layer, and a plastic layer embedded in and covering the copper powder layer. The plastic layer is prepared from the following components: calcium fluoride, ETFE, nano-aluminum oxide, graphite, iron red, and PTFE emulsion. ETFE is a tetrafluoroethylene-ethylene alternating copolymer. ETFE has a certain blending compatibility with the PTFE plastic matrix, and can form better bonding force in a sintered state. The calcium fluoride material has the characteristics of low-temperature brittleness and high-temperature plasticity. Under high-speed and high-load conditions, the high-plasticity calcium fluoride is easy to combine with PTFE under the influence of friction heat, and the transfer and consumption process can be more smooth, thereby improving the product performance. Through the cooperation of the components, the obtained plastic layer has high bonding strength, and the running time under continuous pressure durability test is significantly improved.

The invention relates to the technical field of cables, and provides a corrosion-resistant aerial insulated cable which sequentially comprises a conductor, a shielding layer and an insulating layer from inside to outside. The conductor sequentially comprises an inner core layer and an outer core layer from inside to outside; the inner core layer is composed of six aluminum alloy conductors with the same diameter, and the outer core layer is composed of ten aluminum alloy conductors with the same diameter. The shielding layer is an aluminum foil shielding layer; the insulating layer comprises the following components in parts by weight: 70-80 parts of polyethylene, 20-35 parts of an ethylene-vinyl acetate copolymer, 15-20 parts of corrosion-resistant master batch, 25-30 parts of calcium carbonate, 1-2 parts of a light stabilizer, 2-3 parts of a lubricant, 1-2 parts of an antioxidant and 1-2 parts of a vulcanizing agent; the corrosion-resistant master batch is prepared from the following components in parts by weight: 65 to 70 parts of fluororubber, 5 to 9 parts of modified montmorillonite, 8 to 15 parts of ethylene-tetrafluoroethylene copolymer and 1 to 3 parts of sodium stearate. According to the technical scheme, the problem of poor corrosion resistance of the overhead insulated cable in the prior art is solved.

The application discloses a kind of modular flexible hinge and preparation method thereof, belong to spacecraft flexible solar cell wing manufacturing technical field, comprising: S1, glass fibre aluminium foil is bonded on the corresponding area of lower polyimide film upper surface hinge hole;S2, first solidification forming;S201, polyimide film upper surface is superimposed glass fibre prepreg;S202, in glass fibre prepreg and glass fibre aluminium foil upper surface superimposed upper polyimide film;S203, using groove ETFE board material and ETFE stick material are first solidification forming to obtain the hinge semi-finished product with semicircle arc;S3, second lamination solidification forming;S301, in upper polyimide film upper surface superimposed glass fibre prepreg;The width of overlapping area of glass fibre aluminium foil and glass fibre prepreg is 3mm;S302, fold hinge semi-finished product.The application can solve the problems that existing flexible solar wing hinge is easy to tear and easy to deform in configuration.

The invention provides modified ETFE and a preparation method, and belongs to the technical field of fluorine-containing high polymer materials. The modified ETFE is obtained by polymerizing tetrafluoroethylene, ethylene and methacryloyloxyethyl phosphate in a fluorine-containing solvent. The modified ETFE integrates excellent performance of fluororesin and reaction characteristics of functional groups, not only has excellent chemical resistance and heat resistance of an ETFE material, but also obviously improves adhesive force, flame retardance and processability of the material, meanwhile, the crystallinity of the modified ETFE is reduced, and the service life of the modified ETFE is prolonged. The coating is widely applied to the fields of high-performance coatings, metal corrosion prevention, cable insulation, composite materials, adhesives and the like.

The utility model discloses a positioning device suitable for ETFE membrane installation, which relates to the technical field of ETFE membrane installation and comprises a support frame, a self-locking membrane releasing mechanism and a membrane clamping mechanism are sequentially arranged on the support frame, and the membrane clamping mechanism comprises two thread centering components and a synchronous transmission component. The self-locking type film releasing mechanism comprises a releasing roller, a mounting cover, a worm gear, a control shaft rotationally mounted in the mounting cover and a worm fixedly arranged on the control shaft in a sleeving mode. According to the utility model, through the cooperation of the self-locking type film releasing mechanism and the film clamping mechanism, after a roll forming ETFE film is released by a required length, the self-locking performance of meshing of a worm and a worm gear is utilized, so that the released ETFE film is not easy to pull out the redundant roll forming ETFE film on a releasing roller in the stretching and mounting process, and the roll forming ETFE film is prevented from being damaged. Meanwhile, the ETFE film is centered and clamped through the upper clamping rod and the lower clamping rod, so that double positioning guarantee is adopted, the positioning effect in the ETFE film mounting process can be effectively guaranteed, and the mounting quality of the ETFE film can be improved.

The invention discloses a modified ETFE material and application thereof, and the modified ETFE material comprises 90-100 parts by mass of ETFE, 0.5-2 parts by mass of an anti-ultraviolet agent, 0.2-0.6 part by mass of an antioxidant, 0.2-1 part by mass of a light stabilizer, 0.2-1 part by mass of a heat stabilizer, 0.5-10 parts by mass of modified ATO and 3-12 parts by mass of a coupling agent. The modified ETFE material provided by the invention has the characteristics of excellent mechanical strength, weather resistance, self-cleaning property and the like, also has excellent infrared barrier property, and is particularly suitable for being applied to preparation of ETFE films for high infrared barrier buildings.

A laminate includes, in this order: a fluororesin layer containing an ethylene-tetrafluoroethylene copolymer; an adhesive layer containing an aminosilane coupling agent; and a resin substrate containing an ultraviolet absorber and a resin.

It is an object of the present disclosure to provide a porous hollow fiber membrane for membrane distillation that has excellent chemical resistance, mechanical strength and membrane distillation performance, as well as a membrane module for membrane distillation and a membrane distillation method using the same.SOLUTION: A total of areas of plastic parts having an area of 1 μ m2 or less included in each field of view is 70% or more with respect to the total area of the plastic parts, a total of areas of plastic parts having an area of 10 μ m2 or more is 15% or less with respect to the total area of the plastic parts, and a total of areas of plastic parts having an area of 1 μ m2 or less is 70% or more with respect to the total area of the plastic parts. And the total of the areas of the plastic parts having an area of 10 μ m2 or more is 15% or less with respect to the total area of the plastic parts.SELECTED DRAWING: Figure 1

A cord reel cable including a polymeric sheath with a conductive EMI drain and a method of manufacture therefor. The cord reel includes a cable comprising power and data conductors, as wells as a single drain wire which is grounded to a cord reel housing or spool or the like. The drain wire contacts an outer ETFE layer surrounding the cable in order to provide EMI shielding to the cable.

This invention discloses a high weather-resistant hydrophobic polyethylene tetrafluoroethylene film and its preparation method, comprising the following components by mass percentage: 65.5%–70.5% ethylene-tetrafluoroethylene copolymer, 1.0%–2% ultraviolet absorber, 1.0%–2% light stabilizer, 10% acrylate toughening agent, 5% compatibilizer, 0.5% nucleating agent, 10–14% titanium dioxide, and 1.0%–2.0% hydrophobic agent. The fluorohydrophobic agent of this invention has high heat resistance, weather resistance, and chemical inertness; it can form a dense fluorocarbon layer, making the surface extremely hydrophobic, reducing the surface energy of the material, increasing the contact angle, and reducing the roll-off angle. The ethylene-tetrafluoroethylene copolymer, titanium dioxide, ultraviolet absorber, light stabilizer, compatibilizer, toughening agent, nucleating agent, and hydrophobic material are co-extruded, cast, and stretched into a film to obtain the high weather-resistant hydrophobic polyethylene tetrafluoroethylene film.