WO2023010496A1 - Conductive coated wire having function of electrostatic adsorption of pm2.5 particles, conductive woven fabric, filter screen, and sunshade system - Google Patents

Conductive coated wire having function of electrostatic adsorption of pm2.5 particles, conductive woven fabric, filter screen, and sunshade system Download PDF

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Publication number
WO2023010496A1
WO2023010496A1 PCT/CN2021/111065 CN2021111065W WO2023010496A1 WO 2023010496 A1 WO2023010496 A1 WO 2023010496A1 CN 2021111065 W CN2021111065 W CN 2021111065W WO 2023010496 A1 WO2023010496 A1 WO 2023010496A1
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Prior art keywords
conductive
parts
filter screen
woven fabric
coated wire
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PCT/CN2021/111065
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French (fr)
Chinese (zh)
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熊圣东
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宁波先锋新材料股份有限公司
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Priority to CN202180002377.9A priority Critical patent/CN113767194A/en
Priority to PCT/CN2021/111065 priority patent/WO2023010496A1/en
Publication of WO2023010496A1 publication Critical patent/WO2023010496A1/en

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    • D—TEXTILES; PAPER
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    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
    • D06M15/248—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing chlorine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/60—Use of special materials other than liquids
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
    • D—TEXTILES; PAPER
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    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
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    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
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    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
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    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
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    • D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
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    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/533—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads antistatic; electrically conductive
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    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
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    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
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    • D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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    • D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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Definitions

  • the invention belongs to the technical field of polymer materials and daily necessities, and relates to a conductive coated wire, a conductive woven fabric, a filter screen and a sunshade system with the function of electrostatically adsorbing PM2.5 particles.
  • Particulate matter can be divided into total suspended particulate matter (0-100 ⁇ m) and inhalable particulate matter (0-19 ⁇ m) according to its aerodynamic diameter and its deposition position in the human respiratory system.
  • PM2.5 is the general term for particulate matter with an aerodynamic equivalent diameter of 2.5 microns or less. It is a kind of inhalable particulate matter that can stay in the atmosphere for a long time, has a long transportation distance, small particle size, and large specific surface area, making it easy to accumulate Toxic substances in the air, such as various acidic oxides, toxic heavy metals, bacteria, molds, germs, volatile organic compounds VOC, polycyclic aromatic hydrocarbons PHA, etc. And because its aerodynamic diameter is less than or equal to 2.5 ⁇ m, it can not only enter the nasal cavity and throat, but also enter the alveolar deposition or human blood circulation, causing various diseases.
  • PM2.5 The harm of PM2.5 is multi-faceted and multi-field, which cannot be ignored.
  • PM2.5 is a hot spot in the research of inhalable particulate matter.
  • the US National Environmental Protection Agency EPA has recognized the harm of PM 2.5 and promulgated the air quality standard for PM 2.5.
  • Windows are the main channel for outside air and dust particles to enter the room.
  • the sunshade window system can reduce or block the entry of those harmful dust particles, it will be a good way for indoor people to stay away from PM2.5 the most direct and effective measure.
  • This kind of shading system that can not only ensure shading, ventilation, and ventilation, but also block and absorb PM2.5 particles is an important direction for the development of sunshade windows in the future.
  • the traditional sunshade window system mainly focuses on the wind resistance, sunshade, appearance, heat insulation, etc. of the sunshade window, and there are few reports on the sunshade system with electrostatic adsorption of PM2.5 particles.
  • the purpose of the present invention is to solve the above-mentioned problems in the prior art, and propose a conductive coated wire with the function of electrostatically adsorbing PM2.5 particles. And other properties, but also has the characteristics of adsorbing PM2.5 and other particles.
  • a conductive coated wire with the function of electrostatic adsorption of PM2.5 particles sequentially includes a fiber layer, a conductive polyvinyl chloride layer and an electrostatic The dust-absorbing agent layer, the electrostatic dust-absorbing agent layer is formed by applying the electrostatic dust-absorbing agent solution to the surface of the conductive polyvinyl chloride layer and then heating and curing.
  • the electrostatic dust-absorbing agent solution includes the following components: 8-12 parts of dust collector, 10-15 parts of vinyl chloride-vinyl acetate copolymer resin, 0.1-0.2 parts of dispersant, and 50-70 parts of butyl acetate.
  • the diameter of the conductive covered wire is 0.20mm-0.35mm.
  • the fiber is one or more of polyester fiber, glass fiber, acrylic fiber, polypropylene fiber, aramid fiber, spandex fiber, polyethylene fiber, and the fiber specification is 100-300D
  • the long fiber, single filament breaking strength is greater than 10N.
  • the electrostatic dust collector is a mixture of calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide.
  • calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide in the electrostatic precipitator account for 15-30%, 15-30%, 15-30%, 15-30% of the total mass of the mixture in terms of mass percentage, respectively 30%.
  • the effect is best when the quality of calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide is the same. Therefore, it is further preferred that the mass ratios of calcium sulfide, ferric oxide, zinc stannate and magnesium hydroxide in the electrostatic cleaner are all 25%.
  • the inorganic electrostatic dust collector used in the present invention has poor compatibility with the polymer resin material, and it is difficult to have good compatibility with the conductive polyvinyl chloride composite material layer in the covered wire.
  • the present invention is by introducing vinyl chloride-vinyl acetate copolymer resin in electrostatic precipitator solution, and it has good compatibility with electrostatic precipitator (calcium sulfide, ferric oxide, zinc stannate, magnesium hydroxide) used in the present invention Compatible coupling effect, and also has good compatibility with the conductive polyvinyl chloride composite material layer, so that the electrostatic dust collector coating can be well integrated with the middle conductive polyvinyl chloride composite material layer, solving the problem of electrostatic absorption
  • the dust coating has poor compatibility with the conductive coated wire of the polymer resin substrate, and the electrostatic effect gradually weakens with time, so that the conductive coated wire of the present invention has a long-term electrostatic adsorption effect.
  • the dispersant can be selected from one of BYK-110, BYK-111 and BYK-161.
  • the dispersant can make the electrostatic dust collector better and evenly disperse in the matrix resin, so as to form a uniform and smooth coating film on the surface of the covered wire.
  • the conductive polyvinyl chloride material includes the following components in parts by weight: 70 parts of polyvinyl chloride resin (PVC), 25-35 parts of chlorinated polyethylene, 3-5 parts of stabilizer, 25-35 parts of plasticizer, 5-8 parts of flame retardant, 6-10 parts of conductive filler, 10-15 parts of modified resin, 0.2-0.4 parts of lubricant, and 0.6-1 part of other additives.
  • PVC polyvinyl chloride resin
  • 3-5 parts of stabilizer 25-35 parts of plasticizer
  • 5-8 parts of flame retardant 6-10 parts of conductive filler
  • 10-15 parts of modified resin 0.2-0.4 parts of lubricant
  • 0.6-1 part of other additives 0.6-1 part of other additives.
  • the conductive filler is a mixture of silver-plated nano-graphite flakes, nickel-clad copper powder, and single-armed carbon nanotubes in a mass ratio of 1:(0.2-0.6):(0.05-0.1). Further preferably, the conductive filler is a mixture of silver-plated nano-graphite flakes, nickel-clad copper powder, and single-armed carbon nanotubes in a mass ratio of 1:(0.2-0.4):(0.05-0.08). More preferably, the mass ratio of silver-plated nano-graphite microflakes, nickel-coated copper powder, and single-armed carbon nanotubes in the conductive filler is 1:0.3:0.07.
  • Silver-plated nano-graphite microflakes are used as the main conductive filler in conductive polyvinyl chloride materials.
  • the specific gravity of graphite is small, and a small amount of addition can be used under the same volume, and its chemical stability is also relatively high; nickel-clad copper powder not only has good
  • the conductive properties also have excellent electromagnetic shielding properties, and the combination of silver-plated nano-graphite microchips has good conductive properties in the present invention.
  • Single-armed carbon nanotubes are a supplement to the conductivity of silver-plated nano-graphite microsheets, which have ultra-high electrical conductivity and good mechanical and mechanical properties.
  • silver-plated nano-graphite microflakes, nickel-coated copper powder and single-armed carbon nanotubes Tubes can only stay embedded in the grain boundaries with a relatively loose structure in the matrix.
  • the conductive particles inlaid on the grain boundaries are in contact with each other or the gap is small, the potential barrier of the conductive filler particles is continuously reduced, and an electrical percolation network is formed, and a part of conductive channels with strong conductivity will be formed in the high-resistance phase, thereby realizing Conductive function.
  • the silver-coated nanographite microflakes as the main conductive particles are microscopically a nanoscale sheet structure, which is conducive to the formation of conductive pathways in the polymer, and can greatly reduce the conductive percolation threshold of the composite material system. In this way, the addition of low-conductivity fillers and high-conductivity characteristics can be obtained.
  • the silver-plated nano-graphite microflakes are used as the main conductive particles, and there is ohmic contact between different conductive particles, and there is no potential barrier on the contact surface, which reduces the resistance of electrons in the process of migration, thereby improving the resistance of electrons in the composite material.
  • the migration rate improves the electrical conductivity of the composite material.
  • the weight portion of the conductive filler in the PVC composite material of the present invention reaches about 10 parts, the electrical conductivity of the composite material reaches a certain value, and no longer significantly changes with the increase of the amount of conductive filler, so the amount of conductive filler Control it at 6-10 servings.
  • the addition of silver-plated nano-graphite flakes and single-arm carbon nanotubes can not only improve the electrical conductivity of the composite material, but also play a reinforcing role, so that the mechanical properties of the composite material are improved.
  • the mass content of nickel in the nickel-clad copper powder is 10-35%. Further preferably, the mass content of nickel in the nickel-clad copper powder is 15-30%.
  • the modified resin may be one or more of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin.
  • the modified resin is a mixture of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin
  • the mass ratio of ethylene-vinyl acetate copolymer resin to vinyl chloride-vinyl acetate copolymer resin is 1:(0.5-1.6).
  • Ethylene-vinyl acetate copolymer resin is obtained by copolymerizing ethylene and vinyl acetate; vinyl chloride-vinyl acetate copolymer resin is a polymer obtained by copolymerizing vinyl chloride (VC) and vinyl acetate (VAC) monomers. Both kinds of copolymer resins have polar and non-polar groups, and have good compatibility with polyvinyl chloride resins, and the vinyl acetate polar groups they contain can be combined with conductive fillers of the present invention and inorganic additives such as antimony trioxide.
  • the vinyl acetate group in ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer has good self-adhesive properties, so that the polyvinyl chloride composite material of the present invention has good thermal bonding properties.
  • the coated wire woven fabric is then heat-set to improve the smoothness and firmness of the structure.
  • the modified resin is a mixture of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin in a mass ratio of 1:1.
  • the stabilizer can be any heat stabilizer for polyvinyl chloride, such as a calcium-zinc composite stabilizer.
  • plasticizer can be selected from dioctyl terephthalate, diisooctyl adipate, dioctyl sebacate, tri-n-butyl citrate, acetyl tributyl citrate, triethyl citrate Any one or more of esters, epoxy butyl stearate, and trioctyl trimellitate.
  • a certain amount of plasticizer is added to the conductive polyvinyl chloride material, and the molecules of the plasticizer can be inserted between the PVC molecular chains to increase the mobility of the PVC molecular chains and reduce the crystallinity of the PVC molecular chains, so that the plasticity and Increased flexibility.
  • the plasticizer is used together with chlorinated high-density polyethylene, which can significantly improve the flow processing performance of PVC, and can uniformly form a coating layer on the surface of a single fiber bundle through heating and melting plasticization.
  • the flame retardant is antimony trioxide.
  • Antimony trioxide has no flame retardant effect by itself, but it shows a synergistic effect in the presence of halides.
  • the chlorine element in polyvinyl chloride resin and chlorinated high-density polyethylene resin will react to generate high concentration of hydrochloric acid or free chlorine, and these hydrochloric acid and free chlorine will react with antimony trioxide to produce antimony trichloride or pentachloride
  • Antimony chloride substances such as antimony chloride, these antimony compounds can reduce the contact between combustibles and oxygen, so that the carbon covering layer can be formed, and it can also capture the free radicals in the combustion process in the gaseous state, so as to achieve low flame retardant addition.
  • the purpose of high flame retardancy is to endow the final woven fabric with good flame retardancy and mechanical properties.
  • the lubricant can be any lubricant, such as ethylene bis stearamide or oxidized polyethylene wax.
  • the present invention also provides a preparation method of a conductive coated wire with the function of electrostatically adsorbing PM2.5 particles, the method comprising: weighing 8-12 parts of electrostatic dust collector, 10-15 parts of vinyl chloride-vinyl acetate copolymer resin, Add 0.1-0.2 parts of dispersant and 50-70 parts of butyl acetate into a stirring device, and stir at room temperature for 1.5-2 hours to prepare an electrostatic dust collector solution.
  • the conductive polyvinyl chloride material is coated on the surface of the fiber, and then the electrostatic dust collector solution is coated on the conductive polyvinyl chloride layer, and then heated and cured to obtain a conductive coated wire.
  • the present invention also provides a conductive woven fabric with the function of electrostatically adsorbing PM2.5 particles.
  • the conductive woven fabric is woven from the above-mentioned conductive coated wire.
  • the conductive woven fabric has a warp and weft structure, and there is a rectangular or square gap between the warp structure and the weft structure, and its porosity is 10% to 15%.
  • the present invention sets the porosity within the above-mentioned range.
  • the gap not only makes the fabric have good air permeability, but also makes it have a certain light transmittance. A part of the light can pass through the pores on the composite material, which can be adjusted.
  • the size of material gaps controls the light transmittance, so as to achieve the controllability of shading.
  • the present invention also provides a preparation method of the above-mentioned conductive woven fabric.
  • the preparation method includes weaving the conductive coated thread first, and then putting it into a heat drying room under tension to carry out heat setting treatment to obtain a fabric with warp and weft. conductive woven fabric.
  • the temperature of the drying room is 90°C-135°C
  • the heat-setting time is 4min-8min
  • the tension in the warp direction is 500N-1300N
  • the tension in the weft direction is 400N-900N.
  • the intersection of the covered wires is slightly bonded, which can prevent the shifting of the conductive covered wires, so that the covered wires can be firmly combined to prevent the deformation of the fabric.
  • the present invention also provides a filter screen with the function of electrostatically adsorbing PM2.5 particles.
  • the filter screen is made of the above-mentioned conductive woven fabric with the function of electrostatically adsorbing PM2.5 particles.
  • the present invention also provides a sunshade system with the function of electrostatically adsorbing PM2.5 particles, and the sunshade system includes the above-mentioned filter screen with the function of electrostatically adsorbing PM2.5 particles.
  • the sunshade system includes a left filter screen, a right filter screen, and a DC power supply, and the left filter screen and the right filter screen are respectively connected to the positive pole and the negative pole of the DC power supply through wires.
  • the DC power supply provides a voltage of 50V-220V during operation.
  • the left side of the left filter screen and the right side of the right filter screen are respectively provided with automatic winding devices.
  • the automatic winding device includes a rolling screen tube, a cloth outlet is provided on the rolling screen tube, a cloth rolling shaft is arranged inside the rolling screen tube, the left end of the left filter screen and the right filter screen The right side ends are respectively connected on the cloth take-up shaft.
  • a stepping motor is further arranged on the roller blind tube, and the stepping motor is connected with the cloth winding shaft.
  • the right end of the left filter screen and the left end of the right filter screen are respectively provided with strip-shaped insulating sheets, and the upper and lower ends of the left filter screen and the right filter screen are respectively provided with guide rails.
  • the left filter screen, the right filter screen and the DC power supply form an electrostatic adsorption system.
  • the left filter screen and the right filter screen become two electrostatic adsorption electrodes. and negative charge.
  • non-static objects PM2.5 and other non-charged fine particles
  • the side of the non-static object close to the charged object will accumulate with the charged object Charges of the opposite polarity of the charges carried (the same number of charges of the same polarity are generated on the other side), because the opposite charges attract each other, it will show the phenomenon of "electrostatic adsorption", PM2.5 and other uncharged fine particles will be Due to electrostatic induction and adsorption on the filter, PM2.5 and other uncharged fine particles will not enter the room.
  • the sunshade system of the present invention can be automatically unfolded and rolled by the stepper motors in the left and right automatic winding devices through a pair of guide rails arranged up and down on the left filter screen and the right filter screen.
  • the motor switching power is turned on, the left filter screen and the right filter screen will automatically unfold along the guide rail, and the stepper motor will automatically close when the two insulating sheets touch.
  • the sunshade system of the present invention can be used as a general curtain at the same time for sunshade and ventilation.
  • the present invention has the following beneficial effects:
  • the middle layer of the conductive coated wire of the present invention is a conductive flame-resistant polyvinyl chloride composite material layer, and the conductive braided fabrics made from the coated wire all have a conductive flame-resistant polyvinyl chloride composite material layer, so that the woven fabric is mechanically Excellent performance, also has good electrical conductivity, flame retardant properties, easy to clean, has excellent weather resistance, and has a very long service life.
  • the surface of the conductive coated wire contains an electrostatic dust collector coating. The dust collector uses the principle of static electricity to effectively absorb PM2.5 dust particles in the air.
  • the present invention introduces vinyl chloride-vinyl acetate copolymer resin in the electrostatic dust collector solution on the surface of the coated wire, and it is combined with calcium sulfide, ferric oxide, zinc stannate, calcium sulfide in the electrostatic dust collector used in the present invention
  • Magnesium hydroxide has a good compatibility and coupling effect, and also has good compatibility with PVC, so that the electrostatic dust collector coating can be well integrated with the conductive flame-resistant polyvinyl chloride composite material layer, which solves the problem of static electricity.
  • the dust collector coating has poor compatibility with the conductive coated wire of the conductive flame-resistant polyvinyl chloride composite material base material, and the electrostatic effect gradually weakens with time, so that the woven fabric of the present invention has a long-term electrostatic adsorption effect.
  • the woven fabric of the present invention is made by using a conductive coated wire with an electrostatic precipitator coating on the surface.
  • the electrostatic adsorption of the electrostatic precipitator coating makes the woven fabric play a certain role even when it is not electrified.
  • the adsorption effect can absorb a certain amount of PM2.5 particles.
  • the sunshade system of the present invention uses a conductive woven fabric to make a filter screen. After being connected to a DC power supply, the woven fabric has a better electrostatic adsorption function and can effectively absorb PM2.5 particles and other dust around the filter screen to prevent outdoor air pollution. Dust enters the room, reducing the amount of indoor dust and improving indoor air quality under the condition of ensuring light transmission and view.
  • Fig. 1 is a structural schematic diagram of the sunshade system of the present invention.
  • Fig. 1 1, left filter screen; 2, roller blind tube; 3, stepper motor; 4, cloth outlet; 5, guide rail; 6, DC power supply; 7, strip insulating sheet.
  • conductive polyvinyl chloride composite material Preparation of conductive polyvinyl chloride composite material: Weigh 70 parts of polyvinyl chloride resin, 30 parts of chlorinated polyethylene, 4 parts of calcium-zinc composite stabilizer, 30 parts of dioctyl terephthalate, 6 parts of flame-retardant Agent antimony trioxide, 0.3 parts of ethylene bis stearamide, 0.4 parts of antioxidant tetrakis [ ⁇ -(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester and 0.4 parts of anti-ultraviolet Add 2-hydroxyl-4-n-octyloxybenzophenone into a high-speed mixer for mixing, and when the temperature rises to 110°C, add 10 parts by weight of 1:0.3:0.07 Silver-plated nano-graphite flakes, nickel-coated copper powder (the mass content of nickel is 30%), the conductive filler of single-armed carbon nanotubes, and
  • electrostatic cleaner solution weigh 2.5 parts of calcium sulfide, 2.5 parts of ferric oxide, 2.5 parts of zinc stannate, 2.5 parts of magnesium hydroxide, 12 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersed Agent BYK-110 and 60 parts of butyl acetate were added to the stirring device and stirred at room temperature for 1.5 hours to prepare an electrostatic dust collector solution.
  • Preparation of conductive coated wire melt-coat conductive polyvinyl chloride material on the surface of polyester fiber with a specification of 220D and a single-filament breaking strength of 20 ⁇ 2N, then apply an electrostatic cleaner solution to the conductive polyvinyl chloride layer and then heat and solidify A conductive coated wire with a diameter of 0.30 mm including a polyester fiber layer, a conductive polyvinyl chloride layer and an electrostatic cleaner layer from the inside to the outside in sequence, the conductive coated wire has the function of electrostatically adsorbing PM2.5 particles.
  • Example 1 The difference between this embodiment and Example 1 is only that adding 8 parts by weight in this embodiment is silver-plated nano-graphite microflakes and nickel-coated copper powder (the mass content of nickel is 30% of 1:0.3:0.07) ), the conductive filler of single-armed carbon nanotubes; the diameter of the prepared conductive coated wire is 0.28mm. Others are the same as in Example 1.
  • Example 1 The difference between this embodiment and Example 1 is that the electrostatic cleaner solution is prepared as follows in this embodiment: 3 parts of calcium sulfide, 3 parts of ferric oxide, 3 parts of zinc stannate, 3 parts of Add magnesium hydroxide, 12 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersant BYK-110, and 65 parts of butyl acetate into the stirring device, and stir at room temperature for 1.5 hours to prepare an electrostatic dust collector solution. Others are the same as in Example 1.
  • Preparation of conductive polyvinyl chloride composite material Weigh 70 parts of polyvinyl chloride resin, 30 parts of chlorinated polyethylene, 4 parts of calcium-zinc composite stabilizer, 30 parts of dioctyl terephthalate, 6 parts of flame-retardant Agent antimony trioxide, 0.3 parts of ethylene bis stearamide, 0.3 parts of antioxidant tris(2,4-di-tert-butylphenyl) phosphite and 0.3 parts of anti-ultraviolet agent 2-hydroxy-4-methoxy Add benzophenone to a high-speed mixer for mixing.
  • electrostatic cleaner solution take by weight 2 parts of calcium sulfide, 3 parts of ferric oxide, 2.5 parts of zinc stannate, 2.5 parts of magnesium hydroxide, 13 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersed Agent BYK-110 and 65 parts of butyl acetate were added to the stirring device and stirred at room temperature for 1.5 hours to prepare an electrostatic dust collector solution.
  • Preparation of conductive coated wire melt-coat conductive polyvinyl chloride material on the surface of polyester fiber with a specification of 220D and a single-filament breaking strength of 20 ⁇ 2N, then apply an electrostatic cleaner solution to the conductive polyvinyl chloride layer and then heat and solidify A conductive coated wire with a diameter of 0.30 mm including a polyester fiber layer, a conductive polyvinyl chloride layer and an electrostatic cleaner layer from the inside to the outside in sequence, the conductive coated wire has the function of electrostatically adsorbing PM2.5 particles.
  • Example 1 The difference between this embodiment and Example 1 is that the electrostatic cleaner solution is prepared as follows in this embodiment: 1.5 parts of calcium sulfide, 3 parts of ferric oxide, 3 parts of zinc stannate, 2.5 parts of Add magnesium hydroxide, 13 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersant BYK-110, and 65 parts of butyl acetate into a stirring device, and stir at room temperature for 1.5 hours to prepare an electrostatic dust collector solution. Others are the same as in Example 1.
  • Example 1 The only difference between this example and Example 1 is that the electrostatic cleaner solution is prepared as follows in this example: take by weight 1 part of calcium sulfide, 1 part of ferric oxide, 4 parts of zinc stannate, 4 parts Add magnesium hydroxide, 13 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersant BYK-110, and 65 parts of butyl acetate into a stirring device, and stir at room temperature for 1.5 hours to prepare an electrostatic dust collector solution. Others are the same as in Example 1.
  • Example 1 The difference between this embodiment and Example 1 is that the electrostatic cleaner solution is prepared as follows in this embodiment: 4 parts of calcium sulfide, 1 part of ferric oxide, 4 parts of zinc stannate, 1 part of Add magnesium hydroxide, 13 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersant BYK-110, and 65 parts of butyl acetate into a stirring device, and stir at room temperature for 1.5 hours to prepare an electrostatic dust collector solution. Others are the same as in Example 1.
  • the conductive filler in this embodiment is a mixture of 4 parts of conductive graphite, 2 parts of copper powder, and 2 parts of iron powder. Others are identical with embodiment 2.
  • Example 1 The only difference between this embodiment and Example 1 is that in this embodiment, 3 parts by weight are added in parts by weight of silver-plated nano-graphite microflakes and nickel-coated copper powder (the mass content of nickel is 30% by weight) %), conductive filler of single-armed carbon nanotubes. Others are the same as in Example 1.
  • Example 1 The only difference between this embodiment and Example 1 is that in this embodiment, 8 parts by weight of silver-plated nano-graphite microflakes and nickel-coated copper powder (the mass content of nickel is 30% by weight) are added in a mass ratio of 3:3:0.7. %), conductive filler of single-armed carbon nanotubes. Others are the same as in Example 1.
  • Preparation of conductive coated wire melt-coat conductive polyvinyl chloride material on the surface of polyester fiber with a specification of 220D and a single filament breaking strength of 20 ⁇ 2N to prepare a coated wire with a diameter of 0.30 mm. That is, there was no electrostatic precipitant layer in this comparative example.
  • Example 1 The difference between this embodiment and Example 1 is that in this comparative example, the electrostatic dust collector is weighed according to the following parts by weight: 1 part of calcium sulfide, 1 part of ferric oxide, 1 part of zinc stannate, 1 part of hydrogen magnesium oxide. Others are the same as in Example 1.
  • Example 1 The difference between this embodiment and Example 1 is that in this comparative example, the electrostatic dust collector is weighed in the following parts by weight: 4 parts of calcium sulfide, 4 parts of ferric oxide, 4 parts of zinc stannate, 4 parts of hydrogen magnesium oxide. Others are the same as in Example 1.
  • Example 1 The difference between this example and Example 1 is that in this example, the electrostatic dust collector is weighed according to the following parts by weight: 5 parts of ferric oxide and 5 parts of zinc stannate. Others are the same as in Example 1.
  • Example 1 The only difference between this comparative example and Example 1 is that in this comparative example, in the preparation of the conductive polyvinyl chloride composite material, 5 parts by weight of equal proportions of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin are added.
  • Example 1 The only difference between this comparative example and Example 1 is that in this comparative example, the polyvinyl chloride composite material does not contain conductive fillers, that is, it is a common non-conductive polyvinyl chloride material, and the others are the same as in Example 1.
  • the conductive covered wires prepared in Examples 1-12 were first twisted and woven by a loom to form a woven fabric with regular lines and a warp and weft structure, and then the woven fabric was put into a heat drying room under tension. Heat setting treatment was carried out in the process to obtain a conductive woven fabric with a porosity of 10%.
  • the heat setting warp tension is 1200N
  • the weft tension is 700N
  • the temperature of the heat drying room is 125°C
  • the heat setting treatment time is 6 minutes.
  • the sunshade system with the function of electrostatically adsorbing PM2.5 particles in the present invention includes:
  • Left filter screen and right filter screen are respectively made of conductive woven fabrics in the embodiment A1-A12, and the left filter screen and the right filter screen are respectively connected to the positive pole and the negative pole of the DC high-voltage power supply 6 by wires;
  • Each automatic winding device includes a rolling screen tube 2, and the rolling screen tube 2 is provided with a cloth outlet 4.
  • the inside of the curtain tube 2 is provided with a fabric roll shaft, the left end of the left filter screen 1 and the right side end of the right filter screen are respectively connected to the roll roll shafts of the corresponding automatic winding device, and the roll screen tube 2 is also provided with a
  • the stepping motor 3 connected with the cloth roll shaft is used to drive the cloth roll shaft to realize the automatic winding and unfolding of the filter screen;
  • Two insulated guide rails 5 respectively arranged on the upper and lower ends of the left filter screen 1 and the right filter screen; The side ends are 5 cm wide and 1 cm thick.
  • the preparation method of the above-mentioned sunshade system with the function of electrostatically adsorbing PM2.5 particles is as follows: cutting the conductive woven fabric into the left filter screen 1 and the right filter screen of appropriate size, and connecting the left filter screen 1 and the right filter screen with the high-voltage DC power supply respectively The positive and negative poles of 6 are connected, and then the left filter screen 1 and the right filter screen are respectively fixed on the corresponding automatic winding device.
  • Example B1 The only difference from Example B1 is that the left filter screen and the right filter screen are respectively made of conductive woven fabrics in Comparative Examples A1-A6, that is, the left filter screen and right filter screen in Comparative Example B1 are made of conductive woven fabrics in Comparative Example A1. Made of fabric, the left filter screen and the right filter screen in Comparative Example B2 are made of conductive woven fabric in Comparative Example A2.
  • the particles prepared in Examples 1-12, Comparative Examples 1-6, Examples A1-A12, Comparative Examples A1-A6, Examples B1-B12, and Comparative Examples B1-B6 of the present invention have the function of electrostatically adsorbing PM2.5 particles
  • the performance of the conductive coated wire, conductive woven fabric, and sunshade system is compared, and the comparison results are shown in Table 1.
  • Oxygen index test standard GB/T5454-1997
  • Light color fastness test standard GB/T8427-2008
  • Conductive coated wire resistance (per 20cm) refers to the resistance of the conductive coated wire before weaving
  • Adsorption efficiency a Under the condition of no DC power supply, the mass ratio of PM2.5 adsorbed by the woven fabric to the woven fabric for half an hour
  • PM2.5 adsorption efficiency b Under the condition of DC power supply, the woven fabric in the sunshade system for half an hour The mass ratio of the adsorbed PM2.5 to the woven fabric.
  • the resistance (per 20cm) of the conductive coated wire prepared in Examples 1-12 of the present invention is within 10 5 ⁇ , and has conductive properties; the conductive woven fabric has good weather resistance and good flame retardancy performance, and has the function of adsorbing PM2.5 particles without the action of DC power supply; when the DC power supply is energized, the PM2.5 particle adsorption function of the sunshade system is more obvious.
  • the conductive filler used in the present invention is a mixture of silver-plated nano-graphite microflakes, nickel-coated copper powder, and single-arm carbon nanotubes. If the mixture of powder and iron powder replaces the conductive filler of the present invention, the conductivity of the resulting conductive material will be significantly weakened, as shown in Examples 1 and 2 and Examples 9 and 10.
  • the conductive filler is a mixture of silver-plated nano-graphite flakes, nickel-clad copper powder, and single-armed carbon nanotubes in a mass ratio of 1:(0.2-0.6):(0.05-0.1). Further preferably, the conductive filler is a mixture of silver-plated nano-graphite flakes, nickel-clad copper powder, and single-armed carbon nanotubes in a mass ratio of 1:(0.2-0.4):(0.05-0.08). More preferably, the mass ratio of silver-plated nano-graphite microflakes, nickel-coated copper powder, and single-armed carbon nanotubes in the conductive filler is 1:0.3:0.07.
  • the obtained polyvinyl chloride composite material has excellent electrical conductivity (the resistance of the conductive sheathed wire is within 10 3 ⁇ per 20 cm), see Examples 1-8. If the proportion of silver-plated nano-graphite flakes in the conductive filler is reduced, that is, the components in the conductive filler are not in the preferred ratio, the electrical conductivity of the polyvinyl chloride composite material obtained will be reduced, as shown in Examples 1 and 12.
  • the surface of the coated wire of the woven fabric of the present invention After the surface of the coated wire of the woven fabric of the present invention is coated with an electrostatic dust collector, the surface of the woven fabric has a certain electrostatic characteristic. Without a DC power supply, the fabric also has adsorption properties for particles such as PM2.5, see Examples A1 ⁇ A12; and within a certain range of additions, along with the increase of electrostatic precipitator content in the electrostatic precipitator solution, its adsorption capacity to PM2.5 increases to some extent, see embodiment A1, A3 and comparative example A2; if The surface of the covered wire does not contain an electrostatic dust collector coating, and the fabric has poor adsorption capacity for PM2.5 without an external DC power supply, see Example A1 and Comparative Example A1; If the content of the electrostatic cleaner in the layer is too high, the electrostatic adsorption effect will be lost, and the adsorption capacity of the woven fabric to PM2.5 will be worsened without an external DC power supply, as shown in Example A1 and Comparative
  • the electrostatic dust collector of the present invention is a mixture of calcium sulfide, ferric oxide, zinc stannate and magnesium hydroxide, and is a composite whole.
  • calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide in the electrostatic precipitator account for 15-30%, 15-30%, 15-30%, 15-30% of the total mass of the mixture in terms of mass percentage, respectively 30%.
  • the obtained woven fabric has a good adsorption capacity for PM2.5 without an external DC power supply, see Examples A5 and A6.
  • the mass ratio of calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide in the electrostatic dust collector is 25%.
  • the adsorption capacity to PM2.5 is the best under the condition, see embodiment A1, A2, A3, A4. If the components in the electrostatic cleaner are not within the preferred range, the resulting woven fabric will have a reduced adsorption capacity for PM2.5 without an external DC power supply, see Examples A1-A6 and Examples A7 and A8. If the electrostatic dust collector is not a mixture of calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide, the resulting woven fabric has poor adsorption capacity for PM2.5 without an external DC power supply, see Example A1 ⁇ A6 and comparative example A4 show that the electrostatic precipitator compound of the present invention has compound synergistic effect.
  • the composite material Since the synergistic flame retardant and free radical flame retardant mechanisms are adopted in the conductive polyvinyl chloride composite material of the present invention, the composite material has good flame retardant properties, and the corresponding conductive woven fabric also has good flame retardant properties. If antimony trioxide is not uniformly dispersed in the composite material system or the polyvinyl chloride composite material does not contain antimony trioxide, the flame retardancy of the conductive woven fabric will decrease, see Example A1 and Comparative Examples A5 and A6
  • the vinyl chloride-vinyl acetate copolymer resin plays the role of coupling compatibility between the electrostatic precipitator and the PVC composite material, if there is no vinyl chloride-vinyl acetate copolymer resin in the preparation process of the electrostatic precipitator solution, Then the electrostatic dust collector is difficult to be compatible with the polyvinyl chloride composite material layer. Finally, the electrostatic adsorption capacity of the woven fabric under the condition of no external DC power supply is obviously weakened, and the ability to absorb PM2.5 is correspondingly weakened. See Example A1 and the pair Scale A5.
  • the ethylene-vinyl acetate copolymer resin and the vinyl chloride-vinyl acetate copolymer resin with coupling and dispersing effects can disperse between the inorganic metal filler and the polyvinyl chloride resin in the conductive composite material system.
  • Uniformity plays a positive role in allowing the full performance of electrical conductivity and flame retardancy. If the content of the two in the formula is reduced, the dispersion uniformity of the inorganic metal filler in PVC will be poor, and the characteristics of each functional material will not be fully utilized. Correspondingly, the resistance of the material will increase, and the flame retardant performance will weaken. See Examples 1, 4 and comparative example 5 and embodiment A1, A4 and comparative example A5.
  • the positive and negative charges on the left and right woven fabrics are greatly increased by the DC power supply. Due to electrostatic adsorption, it can absorb a large amount of PM2.5 and other fine particles. See the example B1 ⁇ B6. If the electrical conductivity of the covered thread in the woven fabric is poor, the adsorption properties of the sunshade system to PM2.5 will be reduced, see Examples B9-B12 and Comparative Examples B5 and B6.
  • the woven fabric prepared from the covered wire and its sunshade system will also have a weakened adsorption capacity for PM2.5, see Examples B7 and B8 and Comparative Examples B1-B4.
  • each parameter in the same embodiment only represents an example of its technical solution (that is, a feasible solution), and there is no relationship between each parameter
  • there is a strict coordination and limitation relationship where each parameter can be replaced without violating the axiom and the statement of the present invention, unless otherwise stated.

Abstract

The present invention relates to a conductive coated wire having a function of the electrostatic adsorption of PM2.5 particles, a conductive woven fabric, a filter screen, and a sunshade system. The conductive coated wire comprises, in sequence from inside to outside, a fiber layer, a conductive polyvinyl chloride layer, and an electrostatic dust collection agent layer; the electrostatic dust collection agent layer is formed by coating an electrostatic dust collection agent solution on a surface provided with the conductive polyvinyl chloride layer, and heating and curing same. The electrostatic dust collection agent solution comprises the following components in parts by weight: 8-12 parts of an electrostatic dust collection agent, 10-15 parts of a vinyl chloride-vinyl acetate copolymer resin, 0.1-0.2 parts of a dispersant, and 50-70 parts of butyl acetate. The described conductive coated wire can be made into a conductive woven fabric and used in a filter screen and a sunshade system.

Description

一种具有静电吸附PM2.5颗粒功能的导电包覆线、导电编织面料、滤网以及遮阳系统A conductive coated wire with the function of electrostatically adsorbing PM2.5 particles, a conductive woven fabric, a filter screen and a sunshade system 技术领域technical field
本发明属于高分子材料及日用品技术领域，涉及一种具有静电吸附PM2.5颗粒功能的导电包覆线、导电编织面料、滤网以遮阳系统。The invention belongs to the technical field of polymer materials and daily necessities, and relates to a conductive coated wire, a conductive woven fabric, a filter screen and a sunshade system with the function of electrostatically adsorbing PM2.5 particles.
背景技术Background technique
颗粒物按其空气动力学直径及其在人体呼吸系统沉积位置的不同，分为总悬浮颗粒物(0～100μm)、可吸入颗粒物(0～19μm)。PM2.5是空气动力学当量直径小于等于2.5微米的颗粒物的总称，是一种可吸入颗粒物，它能长时间滞留在大气中，输送距离远，粒径小，比表面积大，极易富集空气中的毒害物质，如各类酸性氧化物、有毒重金属、细菌、霉菌、病菌、挥发性有机物VOC、多环芳烃PHA等。并且由于其空气动力学直径≤2.5μm，它不仅可以进入鼻腔咽喉更是可以进入肺泡沉积或人体血液循环，引发各种疾病。Particulate matter can be divided into total suspended particulate matter (0-100 μm) and inhalable particulate matter (0-19 μm) according to its aerodynamic diameter and its deposition position in the human respiratory system. PM2.5 is the general term for particulate matter with an aerodynamic equivalent diameter of 2.5 microns or less. It is a kind of inhalable particulate matter that can stay in the atmosphere for a long time, has a long transportation distance, small particle size, and large specific surface area, making it easy to accumulate Toxic substances in the air, such as various acidic oxides, toxic heavy metals, bacteria, molds, germs, volatile organic compounds VOC, polycyclic aromatic hydrocarbons PHA, etc. And because its aerodynamic diameter is less than or equal to 2.5 μm, it can not only enter the nasal cavity and throat, but also enter the alveolar deposition or human blood circulation, causing various diseases.
PM2.5的危害是多方面的，多领域的，是不能被忽视的。现今，PM2.5是可吸入颗粒物研究中的热点，早在1997年，美国国家环保局EPA就已经认识到了PM 2.5的危害，颁布了PM 2.5的空气质量标准。The harm of PM2.5 is multi-faceted and multi-field, which cannot be ignored. Today, PM2.5 is a hot spot in the research of inhalable particulate matter. As early as 1997, the US National Environmental Protection Agency EPA has recognized the harm of PM 2.5 and promulgated the air quality standard for PM 2.5.
随着我国于2012年将PM2.5写入“国标”，并出台多个条令治理空气污染。人们对PM2.5也逐渐了解，居住环境中的PM2.5也成了居民比较关注的话题。As my country included PM2.5 in the "National Standard" in 2012, and issued a number of regulations to control air pollution. People also gradually understand PM2.5, and PM2.5 in the living environment has become a topic of concern to residents.
窗户是外界气体及粉尘颗粒进入到房间的主要通道。在空气质量较差，灰霾、雾霾等天气没有得到明显改善的情况下，若能在遮阳窗户系统中减少或者阻挡那些对人体有害的粉尘颗粒进入，将是室内人们远离PM2.5的一种最直接有效的措施。这种既能保障遮阳、通风、透气，又能阻挡并吸附PM2.5颗粒的遮阳系统是未来遮阳窗户发展的一个重要方向。目前传统的遮阳窗户系统主要着重于遮阳窗户的抗风、遮阳、外观、隔热等，对于具有静电吸附PM2.5颗粒的遮阳系统则少有报道。Windows are the main channel for outside air and dust particles to enter the room. When the air quality is poor and the weather such as haze and smog has not been significantly improved, if the sunshade window system can reduce or block the entry of those harmful dust particles, it will be a good way for indoor people to stay away from PM2.5 the most direct and effective measure. This kind of shading system that can not only ensure shading, ventilation, and ventilation, but also block and absorb PM2.5 particles is an important direction for the development of sunshade windows in the future. At present, the traditional sunshade window system mainly focuses on the wind resistance, sunshade, appearance, heat insulation, etc. of the sunshade window, and there are few reports on the sunshade system with electrostatic adsorption of PM2.5 particles.
发明内容Contents of the invention
本发明的目的是针对现有技术存在的上述问题，提出了一种具有静电吸附PM2.5颗粒功能的导电包覆线，用该导电包覆线编织成的导电编织面料不仅具有遮阳、通风透气等性能，同时还具有吸附PM2.5等颗粒的特性。The purpose of the present invention is to solve the above-mentioned problems in the prior art, and propose a conductive coated wire with the function of electrostatically adsorbing PM2.5 particles. And other properties, but also has the characteristics of adsorbing PM2.5 and other particles.
本发明的目的可通过下列技术方案来实现：一种具有静电吸附PM2.5颗粒功能的导电包覆线，所述导电包覆线从里到外依次包括纤维层、导电聚氯乙烯层以及静电吸尘剂层，所述静电吸尘剂层由静电吸尘剂溶液涂覆到导电聚氯乙烯层表面后加热固化而成，按重量份数计，静电吸尘剂溶液包括如下组分：静电吸尘剂8～12份、氯乙烯-醋酸乙烯共聚树脂10～15份、分散剂0.1～0.2份、醋酸丁酯50-70份。The purpose of the present invention can be achieved through the following technical solutions: a conductive coated wire with the function of electrostatic adsorption of PM2.5 particles, the conductive coated wire sequentially includes a fiber layer, a conductive polyvinyl chloride layer and an electrostatic The dust-absorbing agent layer, the electrostatic dust-absorbing agent layer is formed by applying the electrostatic dust-absorbing agent solution to the surface of the conductive polyvinyl chloride layer and then heating and curing. In parts by weight, the electrostatic dust-absorbing agent solution includes the following components: 8-12 parts of dust collector, 10-15 parts of vinyl chloride-vinyl acetate copolymer resin, 0.1-0.2 parts of dispersant, and 50-70 parts of butyl acetate.
在上述的导电包覆线中，所述的导电包覆线的直径为0.20mm～0.35mm。In the above-mentioned conductive covered wire, the diameter of the conductive covered wire is 0.20mm-0.35mm.
在上述的导电包覆线中，所述的纤维为涤纶纤维、玻璃纤维、晴纶纤维、丙纶纤维、芳纶纤维、氨纶纤维、聚乙烯纤维中的一种或多种，纤维规格为100～300D的长纤维，单丝断裂强力大于10N。In the above conductive covered wire, the fiber is one or more of polyester fiber, glass fiber, acrylic fiber, polypropylene fiber, aramid fiber, spandex fiber, polyethylene fiber, and the fiber specification is 100-300D The long fiber, single filament breaking strength is greater than 10N.
在上述的导电包覆线中，所述的静电吸尘剂为硫化钙、四氧化三铁、锡酸锌、氢氧化镁的混合物。In the above-mentioned conductive coated wire, the electrostatic dust collector is a mixture of calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide.
作为优选，静电吸尘剂中硫化钙、四氧化三铁、锡酸锌、氢氧化镁按质量百分比计分别占混合物总质量的15-30％、15-30％、15-30％、15-30％。当硫化钙、四氧化三铁、锡酸锌、氢氧化镁的质量相同时效果最佳。因此，再进一步优选，所述静电吸尘剂中硫化钙、四氧化三铁、锡酸锌、氢氧化镁的质量比均为25％。As preferably, calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide in the electrostatic precipitator account for 15-30%, 15-30%, 15-30%, 15-30% of the total mass of the mixture in terms of mass percentage, respectively 30%. The effect is best when the quality of calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide is the same. Therefore, it is further preferred that the mass ratios of calcium sulfide, ferric oxide, zinc stannate and magnesium hydroxide in the electrostatic cleaner are all 25%.
本发明所用无机静电吸尘剂本身与高分子树脂材料相容性较差，难以与包覆线中的导电聚氯乙烯复合材料层有较好的相容性。本发明通过在静电吸尘剂溶液中引入氯乙烯-醋酸乙烯共聚树脂，它与本发明所使用的静电吸尘剂(硫化钙、四氧化三铁、锡酸锌、氢氧化镁)具有良好的相容耦合作用，同时与导电聚氯乙烯复合材料层也具有良好的相容性，使得静电吸尘剂涂层能与中间导电聚氯乙烯复合材料层较好地融合为一体，解决了静电吸尘剂涂层与高分子树脂基材的导电包覆线相容性差、静电功效随时间 逐渐减弱的问题，从而使得本发明的导电包覆线有长时间的静电吸附功效。The inorganic electrostatic dust collector used in the present invention has poor compatibility with the polymer resin material, and it is difficult to have good compatibility with the conductive polyvinyl chloride composite material layer in the covered wire. The present invention is by introducing vinyl chloride-vinyl acetate copolymer resin in electrostatic precipitator solution, and it has good compatibility with electrostatic precipitator (calcium sulfide, ferric oxide, zinc stannate, magnesium hydroxide) used in the present invention Compatible coupling effect, and also has good compatibility with the conductive polyvinyl chloride composite material layer, so that the electrostatic dust collector coating can be well integrated with the middle conductive polyvinyl chloride composite material layer, solving the problem of electrostatic absorption The dust coating has poor compatibility with the conductive coated wire of the polymer resin substrate, and the electrostatic effect gradually weakens with time, so that the conductive coated wire of the present invention has a long-term electrostatic adsorption effect.
在上述的导电包覆线中，所述的分散剂可选用BYK-110、BYK-111、BYK-161中的一种。分散剂能使静电吸尘剂更好的均匀分散在基体树脂中，便于在包覆线表面形成一个均匀、光滑的涂膜。In the above-mentioned conductive covered wire, the dispersant can be selected from one of BYK-110, BYK-111 and BYK-161. The dispersant can make the electrostatic dust collector better and evenly disperse in the matrix resin, so as to form a uniform and smooth coating film on the surface of the covered wire.
在上述的导电包覆线中，导电聚氯乙烯材料按重量份数计包括以下组分：聚氯乙烯树脂(PVC)70份、氯化聚乙烯25～35份、稳定剂3～5份、增塑剂25～35份、阻燃剂5～8份、导电填料6～10份、改性树脂10～15份、润滑剂0.2～0.4份、其它助剂0.6～1份。In the above-mentioned conductive coated wire, the conductive polyvinyl chloride material includes the following components in parts by weight: 70 parts of polyvinyl chloride resin (PVC), 25-35 parts of chlorinated polyethylene, 3-5 parts of stabilizer, 25-35 parts of plasticizer, 5-8 parts of flame retardant, 6-10 parts of conductive filler, 10-15 parts of modified resin, 0.2-0.4 parts of lubricant, and 0.6-1 part of other additives.
作为优选，所述的导电填料为镀银纳米石墨微片、镍包铜粉、单臂碳纳米管的按质量比1:(0.2～0.6)：(0.05～0.1)混合的混合物。进一步优选，所述的导电填料为镀银纳米石墨微片、镍包铜粉、单臂碳纳米管按质量比1:(0.2～0.4)：(0.05～0.08)混合的混合物。更进一步优选，所述的导电填料中镀银纳米石墨微片、镍包铜粉、单臂碳纳米管的质量比为1：0.3：0.07。导电聚氯乙烯材料中采用镀银纳米石墨微片作为主要导电填料，石墨比重小，同等体积下可使用较少的添加量，其本身化学稳定性也比较高；镍包铜粉不仅具有良好的导电特性还具有优良的电磁屏蔽性能，配合镀银纳米石墨微片在本发明中具有良好的导电特性。单臂碳纳米管是对镀银纳米石墨微片导电性的补充，其具有超高的导电特性和良好的机械、力学等性能。在形成复合材料时，由于镀银纳米石墨微片、镍包铜粉和单臂碳纳米管与基体树脂的晶体结构不一样，所以镀银纳米石墨微片、镍包铜粉和单臂碳纳米管作为导电粒子只能停留镶嵌在基体中结构比较疏松的晶界上。当镶嵌在晶界上的导电粒子相互接触或间隙很小时，导电填料粒子的势垒不断降低，就形成电逾渗网络，在高阻相中会形成一部分导电能力很强的导电通道，从而实现导电功能。作为主导电粒子的镀银纳米石墨微片，微观上是一种纳米级的片状结构，该结构有利于其在聚合物内形成导电通路，能大为降低复合材料体系的导电逾渗阈值，从而实现低导电填料添加且能获得高导电的特性。镀银后的纳米石墨微片作为主导电粒子，不同导电粒子之间为欧姆接触，接触面上没有势垒，减小了电子在迁移过程中受 到的阻力，从而提高了电子在复合材料中的迁移速率即提高了复合材料的导电性能。但当导电填料在本发明的PVC复合材料中的重量份达到10份左右的时候，复合材料的电导率达到一定数值，且不再随导电填料用量的增加而发生明显变化，因此将导电填料用量控制在6～10份。镀银纳米石墨微片和单臂碳纳米管的加入不仅能提高复合材料的导电性，更能起到补强的作用，使得复合材料的力学性能得到提高。Preferably, the conductive filler is a mixture of silver-plated nano-graphite flakes, nickel-clad copper powder, and single-armed carbon nanotubes in a mass ratio of 1:(0.2-0.6):(0.05-0.1). Further preferably, the conductive filler is a mixture of silver-plated nano-graphite flakes, nickel-clad copper powder, and single-armed carbon nanotubes in a mass ratio of 1:(0.2-0.4):(0.05-0.08). More preferably, the mass ratio of silver-plated nano-graphite microflakes, nickel-coated copper powder, and single-armed carbon nanotubes in the conductive filler is 1:0.3:0.07. Silver-plated nano-graphite microflakes are used as the main conductive filler in conductive polyvinyl chloride materials. The specific gravity of graphite is small, and a small amount of addition can be used under the same volume, and its chemical stability is also relatively high; nickel-clad copper powder not only has good The conductive properties also have excellent electromagnetic shielding properties, and the combination of silver-plated nano-graphite microchips has good conductive properties in the present invention. Single-armed carbon nanotubes are a supplement to the conductivity of silver-plated nano-graphite microsheets, which have ultra-high electrical conductivity and good mechanical and mechanical properties. When forming composite materials, since the crystal structure of silver-plated nano-graphite microflakes, nickel-coated copper powder and single-armed carbon nanotubes is different from that of the matrix resin, silver-plated nano-graphite microflakes, nickel-coated copper powder and single-armed carbon nanotubes Tubes, as conductive particles, can only stay embedded in the grain boundaries with a relatively loose structure in the matrix. When the conductive particles inlaid on the grain boundaries are in contact with each other or the gap is small, the potential barrier of the conductive filler particles is continuously reduced, and an electrical percolation network is formed, and a part of conductive channels with strong conductivity will be formed in the high-resistance phase, thereby realizing Conductive function. The silver-coated nanographite microflakes as the main conductive particles are microscopically a nanoscale sheet structure, which is conducive to the formation of conductive pathways in the polymer, and can greatly reduce the conductive percolation threshold of the composite material system. In this way, the addition of low-conductivity fillers and high-conductivity characteristics can be obtained. The silver-plated nano-graphite microflakes are used as the main conductive particles, and there is ohmic contact between different conductive particles, and there is no potential barrier on the contact surface, which reduces the resistance of electrons in the process of migration, thereby improving the resistance of electrons in the composite material. The migration rate improves the electrical conductivity of the composite material. But when the weight portion of the conductive filler in the PVC composite material of the present invention reaches about 10 parts, the electrical conductivity of the composite material reaches a certain value, and no longer significantly changes with the increase of the amount of conductive filler, so the amount of conductive filler Control it at 6-10 servings. The addition of silver-plated nano-graphite flakes and single-arm carbon nanotubes can not only improve the electrical conductivity of the composite material, but also play a reinforcing role, so that the mechanical properties of the composite material are improved.
作为优选，所述镍包铜粉中镍的质量含量为10～35％。进一步优选，所述镍包铜粉中镍的质量含量为15～30％。Preferably, the mass content of nickel in the nickel-clad copper powder is 10-35%. Further preferably, the mass content of nickel in the nickel-clad copper powder is 15-30%.
所述的改性树脂可以为乙烯-醋酸乙烯共聚树脂和氯乙烯-醋酸乙烯共聚树脂中的一种或多种。当改性树脂为乙烯-醋酸乙烯共聚树脂和氯乙烯-醋酸乙烯共聚树脂的混合物时，乙烯-醋酸乙烯共聚树脂和氯乙烯-醋酸乙烯共聚树脂的质量比为1：(0.5～1.6)。乙烯-醋酸乙烯共聚树脂是由乙烯和醋酸乙烯共聚而成；氯乙烯-醋酸乙烯共聚树脂是氯乙烯(VC)与醋酸乙烯(VAC)单体进行共聚制得的聚合物。两种共聚树脂都具有极性和非极性基团，且与聚氯乙烯树脂相容性良好，其含有的醋酸乙烯极性基团能与本发明的导电填料和三氧化二锑等无机添加剂具有化学耦合作用，从而对基体PVC树脂和各种无机添加剂起到相容作用，能提高复合材料的柔顺性、韧性和加工流动性能，使复合材料体系更加均匀合理。另外，乙烯-醋酸乙烯共聚树脂、氯乙烯-醋酸乙烯共聚物中的醋酸乙烯基团具有良好的自粘特性，使得本发明的聚氯乙烯复合材料具有良好的热粘接特性，在制成如包覆线编织面料以后经过热定型处理，可以提高结构的平整和牢固。The modified resin may be one or more of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin. When the modified resin is a mixture of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin, the mass ratio of ethylene-vinyl acetate copolymer resin to vinyl chloride-vinyl acetate copolymer resin is 1:(0.5-1.6). Ethylene-vinyl acetate copolymer resin is obtained by copolymerizing ethylene and vinyl acetate; vinyl chloride-vinyl acetate copolymer resin is a polymer obtained by copolymerizing vinyl chloride (VC) and vinyl acetate (VAC) monomers. Both kinds of copolymer resins have polar and non-polar groups, and have good compatibility with polyvinyl chloride resins, and the vinyl acetate polar groups they contain can be combined with conductive fillers of the present invention and inorganic additives such as antimony trioxide. It has a chemical coupling effect, so that it can play a compatible role in the matrix PVC resin and various inorganic additives, and can improve the flexibility, toughness and processing flow performance of the composite material, making the composite material system more uniform and reasonable. In addition, the vinyl acetate group in ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer has good self-adhesive properties, so that the polyvinyl chloride composite material of the present invention has good thermal bonding properties. The coated wire woven fabric is then heat-set to improve the smoothness and firmness of the structure.
作为优选，所述的改性树脂为乙烯-醋酸乙烯共聚树脂与氯乙烯-醋酸乙烯共聚树脂按质量比1:1混合的混合物。Preferably, the modified resin is a mixture of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin in a mass ratio of 1:1.
所述的稳定剂可以为任意聚氯乙烯用热稳定剂，如钙锌复合稳定剂。The stabilizer can be any heat stabilizer for polyvinyl chloride, such as a calcium-zinc composite stabilizer.
所述的增塑剂可以选自对苯二甲酸二辛酯、己二酸二异辛酯、癸二酸二辛酯、柠檬酸三正丁脂、乙酰柠檬酸三丁酯、柠檬酸三乙酯、环氧硬脂酸丁酯、偏苯三酸三辛酯中的任意一种或多种。在导电聚氯乙烯材料加入一定量的增塑剂，增塑剂的分子能插入到PVC分子链之间，增加PVC分 子链的移动性、降低PVC分子链的结晶度，从而使PVC的塑性和柔韧性增加。增塑剂配合氯化高密度聚乙烯一起使用，能显著提高PVC的流动加工性能，通过加热熔融塑化能在单束纤维表面均匀的形成包覆层。Described plasticizer can be selected from dioctyl terephthalate, diisooctyl adipate, dioctyl sebacate, tri-n-butyl citrate, acetyl tributyl citrate, triethyl citrate Any one or more of esters, epoxy butyl stearate, and trioctyl trimellitate. A certain amount of plasticizer is added to the conductive polyvinyl chloride material, and the molecules of the plasticizer can be inserted between the PVC molecular chains to increase the mobility of the PVC molecular chains and reduce the crystallinity of the PVC molecular chains, so that the plasticity and Increased flexibility. The plasticizer is used together with chlorinated high-density polyethylene, which can significantly improve the flow processing performance of PVC, and can uniformly form a coating layer on the surface of a single fiber bundle through heating and melting plasticization.
所述的阻燃剂为三氧化二锑。三氧化二锑本身并没有阻燃效果，但在卤化物存在的情况下会显示出协同效应。聚氯乙烯树脂和氯化高密度聚乙烯树脂中的氯元素会反应生成高浓度的氢氯酸或游离氯，这些氢氯酸和游离氯会与三氧化二锑反应产生三氯化锑或五氯化锑类的氯化锑酰物质，这些锑化合物能减少可燃物与氧气接触，使炭覆盖层生成，其在气态时还可以捕捉燃烧过程的自由基，从而实现低阻燃剂添加量达到高阻燃的目的，赋予最终编织面料良好的阻燃特性和力学性能。The flame retardant is antimony trioxide. Antimony trioxide has no flame retardant effect by itself, but it shows a synergistic effect in the presence of halides. The chlorine element in polyvinyl chloride resin and chlorinated high-density polyethylene resin will react to generate high concentration of hydrochloric acid or free chlorine, and these hydrochloric acid and free chlorine will react with antimony trioxide to produce antimony trichloride or pentachloride Antimony chloride substances such as antimony chloride, these antimony compounds can reduce the contact between combustibles and oxygen, so that the carbon covering layer can be formed, and it can also capture the free radicals in the combustion process in the gaseous state, so as to achieve low flame retardant addition. The purpose of high flame retardancy is to endow the final woven fabric with good flame retardancy and mechanical properties.
所述的润滑剂可以为任意润滑剂，如选用乙撑双硬脂酰胺或氧化聚乙烯蜡。The lubricant can be any lubricant, such as ethylene bis stearamide or oxidized polyethylene wax.
本发明还提供一种具有静电吸附PM2.5颗粒功能导电包覆线的制备方法，所述方法包括：称取8～12份静电吸尘剂、10～15份氯乙烯-醋酸乙烯共聚树脂、0.1～0.2份分散剂、50-70份醋酸丁酯，加入到搅拌装置中，常温搅拌1.5～2小时，制备得到静电吸尘剂溶液。将导电聚氯乙烯材料涂覆到纤维表面，再将静电吸尘剂溶液涂覆到导电聚氯乙烯层后加热固化得导电包覆线。The present invention also provides a preparation method of a conductive coated wire with the function of electrostatically adsorbing PM2.5 particles, the method comprising: weighing 8-12 parts of electrostatic dust collector, 10-15 parts of vinyl chloride-vinyl acetate copolymer resin, Add 0.1-0.2 parts of dispersant and 50-70 parts of butyl acetate into a stirring device, and stir at room temperature for 1.5-2 hours to prepare an electrostatic dust collector solution. The conductive polyvinyl chloride material is coated on the surface of the fiber, and then the electrostatic dust collector solution is coated on the conductive polyvinyl chloride layer, and then heated and cured to obtain a conductive coated wire.
本发明还提供一种具有静电吸附PM2.5颗粒功能导电编织面料，所述的导电编织面料由上述的导电包覆线经编织而成。所述的导电编织面料具有经线和纬线结构，所述经线结构和纬线结构之间留有长方形或者正方形的空隙，其开孔率为10％～15％。The present invention also provides a conductive woven fabric with the function of electrostatically adsorbing PM2.5 particles. The conductive woven fabric is woven from the above-mentioned conductive coated wire. The conductive woven fabric has a warp and weft structure, and there is a rectangular or square gap between the warp structure and the weft structure, and its porosity is 10% to 15%.
本发明将开孔率设置在上述范围内，该空隙不仅使面料具有良好的透气性能，还能使其具有一定的透光性，一部分光线可以通过复合材料上的细孔穿过，可以通过调整材料空隙的大小控制光线的通透率，从而做到遮阳的可控性。The present invention sets the porosity within the above-mentioned range. The gap not only makes the fabric have good air permeability, but also makes it have a certain light transmittance. A part of the light can pass through the pores on the composite material, which can be adjusted The size of material gaps controls the light transmittance, so as to achieve the controllability of shading.
本发明还提供一种上述导电编织面料的制备方法，所述的制备方法包括将导电包覆线先编织，然后在有张力的条件下放入热烘房中进行热定型 处理，得到具有经线纬线的导电编织面料。The present invention also provides a preparation method of the above-mentioned conductive woven fabric. The preparation method includes weaving the conductive coated thread first, and then putting it into a heat drying room under tension to carry out heat setting treatment to obtain a fabric with warp and weft. conductive woven fabric.
作为优选，所述热定型处理时，热烘房的温度为90℃～135℃，热定型时间为4min～8min，经向张力为500N～1300N，纬向张力为400N～900N。热定型处理后，包覆线交叉处轻度粘接，能够防止导电包覆线移位，使得包覆线之间能够牢固的结合，防止面料变形。Preferably, during the heat-setting treatment, the temperature of the drying room is 90°C-135°C, the heat-setting time is 4min-8min, the tension in the warp direction is 500N-1300N, and the tension in the weft direction is 400N-900N. After the heat setting treatment, the intersection of the covered wires is slightly bonded, which can prevent the shifting of the conductive covered wires, so that the covered wires can be firmly combined to prevent the deformation of the fabric.
本发明还提供一种具有静电吸附PM2.5颗粒功能的滤网，所述的滤网由上述具有静电吸附PM2.5颗粒功能的导电编织面料制成。The present invention also provides a filter screen with the function of electrostatically adsorbing PM2.5 particles. The filter screen is made of the above-mentioned conductive woven fabric with the function of electrostatically adsorbing PM2.5 particles.
本发明还提供一种具有静电吸附PM2.5颗粒功能的遮阳系统，所述遮阳系统包括上述具有静电吸附PM2.5颗粒功能的滤网。The present invention also provides a sunshade system with the function of electrostatically adsorbing PM2.5 particles, and the sunshade system includes the above-mentioned filter screen with the function of electrostatically adsorbing PM2.5 particles.
作为优选，所述遮阳系统包括左滤网、右滤网，及直流电源，左滤网和右滤网分别通过导线连接直流电源的正极和负极。Preferably, the sunshade system includes a left filter screen, a right filter screen, and a DC power supply, and the left filter screen and the right filter screen are respectively connected to the positive pole and the negative pole of the DC power supply through wires.
进一步优选，所述直流电源在工作时提供50V～220V的电压。Further preferably, the DC power supply provides a voltage of 50V-220V during operation.
进一步优选，所述左滤网的左侧和右滤网的右侧分别设有自动收卷装置。Further preferably, the left side of the left filter screen and the right side of the right filter screen are respectively provided with automatic winding devices.
更进一步优选，所述自动收卷装置包括卷帘管，卷帘管上设有出布口，卷帘管内部设有卷布轴，所述左滤网的左侧端部和右滤网的右侧端部分别连接在卷布轴上。More preferably, the automatic winding device includes a rolling screen tube, a cloth outlet is provided on the rolling screen tube, a cloth rolling shaft is arranged inside the rolling screen tube, the left end of the left filter screen and the right filter screen The right side ends are respectively connected on the cloth take-up shaft.
更进一步优选，所述卷帘管上还设置有步进电机，所述步进电机与卷布轴连接。Still further preferably, a stepping motor is further arranged on the roller blind tube, and the stepping motor is connected with the cloth winding shaft.
更进一步优选，所述左滤网的右侧端部和右滤网的左侧端部分别设置有条形绝缘片，所述左滤网和右滤网的上下端部分别设置有导轨。More preferably, the right end of the left filter screen and the left end of the right filter screen are respectively provided with strip-shaped insulating sheets, and the upper and lower ends of the left filter screen and the right filter screen are respectively provided with guide rails.
本发明中左滤网、右滤网和直流电源组成一个静电吸附系统，左滤网、右滤网成为两个静电吸附电极，通电后在工作状态下左滤网和右滤网分别带正电荷和负电荷。当不带静电的物体(PM2.5及其它不带电的细小颗粒)靠近该带有静电的编织面料滤网时，由于静电感应，没有静电的物体内部靠近带静电物体的一侧会集聚与带电物体所携带电荷相反极性的电荷(另一侧产生相同数量的同极性电荷)，由于异性电荷互相吸引，就会表现出“静电吸附”现象，PM2.5及其它不带电的细小颗粒就会由于静电感应吸附在 滤网上，从而使得PM2.5及其它不带电的细小颗粒不会进入室内。In the present invention, the left filter screen, the right filter screen and the DC power supply form an electrostatic adsorption system. The left filter screen and the right filter screen become two electrostatic adsorption electrodes. and negative charge. When non-static objects (PM2.5 and other non-charged fine particles) are close to the woven fabric filter with static electricity, due to electrostatic induction, the side of the non-static object close to the charged object will accumulate with the charged object Charges of the opposite polarity of the charges carried (the same number of charges of the same polarity are generated on the other side), because the opposite charges attract each other, it will show the phenomenon of "electrostatic adsorption", PM2.5 and other uncharged fine particles will be Due to electrostatic induction and adsorption on the filter, PM2.5 and other uncharged fine particles will not enter the room.
本发明的遮阳系统可通过左滤网和右滤网上下设置的一对导轨，由左右两个自动收卷装置中的步进电机自动展开和收卷。当打开电机开关电源后，左滤网和右滤网就会沿着导轨自动展开，当两绝缘片碰到时步进电机会自动关闭。The sunshade system of the present invention can be automatically unfolded and rolled by the stepper motors in the left and right automatic winding devices through a pair of guide rails arranged up and down on the left filter screen and the right filter screen. When the motor switching power is turned on, the left filter screen and the right filter screen will automatically unfold along the guide rail, and the stepper motor will automatically close when the two insulating sheets touch.
本发明的遮阳系统同时可用作一般窗帘使用，用于遮阳和通风。The sunshade system of the present invention can be used as a general curtain at the same time for sunshade and ventilation.
与现有技术相比，本发明具有以下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
1.本发明的导电包覆线中间层为导电阻燃聚氯乙烯复合材料层，用该包覆线制得的导电编织面料均具有导电阻燃聚氯乙烯复合材料层，使得该编织面料力学性能优良，还拥有良好的导电、阻燃特性，便于清洗，有极好的耐候性能，使用寿命非常长。另外，导电包覆线表面含有静电吸尘剂涂层，吸尘剂利用静电原理，能有效吸附空气中的PM2.5尘埃微小颗粒。1. The middle layer of the conductive coated wire of the present invention is a conductive flame-resistant polyvinyl chloride composite material layer, and the conductive braided fabrics made from the coated wire all have a conductive flame-resistant polyvinyl chloride composite material layer, so that the woven fabric is mechanically Excellent performance, also has good electrical conductivity, flame retardant properties, easy to clean, has excellent weather resistance, and has a very long service life. In addition, the surface of the conductive coated wire contains an electrostatic dust collector coating. The dust collector uses the principle of static electricity to effectively absorb PM2.5 dust particles in the air.
2.本发明在包覆线表面的静电吸尘剂溶液中引入氯乙烯-醋酸乙烯共聚树脂，它与本发明所使用的静电吸尘剂中的硫化钙、四氧化三铁、锡酸锌、氢氧化镁具有良好的相容耦合作用，同时与PVC也具有良好的相容性，使得静电吸尘剂涂层能与导电阻燃聚氯乙烯复合材料层较好地融合为一体，解决了静电吸尘剂涂层与导电阻燃聚氯乙烯复合材料基材的导电包覆线相容性差，静电功效随时间逐渐减弱的问题，从而使得本发明的编织面料具有长时间的静电吸附功效。2. the present invention introduces vinyl chloride-vinyl acetate copolymer resin in the electrostatic dust collector solution on the surface of the coated wire, and it is combined with calcium sulfide, ferric oxide, zinc stannate, calcium sulfide in the electrostatic dust collector used in the present invention Magnesium hydroxide has a good compatibility and coupling effect, and also has good compatibility with PVC, so that the electrostatic dust collector coating can be well integrated with the conductive flame-resistant polyvinyl chloride composite material layer, which solves the problem of static electricity. The dust collector coating has poor compatibility with the conductive coated wire of the conductive flame-resistant polyvinyl chloride composite material base material, and the electrostatic effect gradually weakens with time, so that the woven fabric of the present invention has a long-term electrostatic adsorption effect.
3.本发明的编织面料使用表面含有静电吸尘剂涂层的导电包覆线制得，静电吸尘剂涂层的静电吸附作用使得该编织面料即使在未通电的情况下也能起到一定的吸附作用，能吸附一定量的PM2.5颗粒。3. The woven fabric of the present invention is made by using a conductive coated wire with an electrostatic precipitator coating on the surface. The electrostatic adsorption of the electrostatic precipitator coating makes the woven fabric play a certain role even when it is not electrified. The adsorption effect can absorb a certain amount of PM2.5 particles.
4.本发明的遮阳系统使用导电编织面料制成滤网，与直流电源相连接后，编织面料具有更好好的静电吸附功能，能够有效吸附滤网周围的PM2.5颗粒以及其他粉尘，防止室外粉尘进入室内，在保障透光透景的条件下减少了室内粉尘量，提高室内空气质量。4. The sunshade system of the present invention uses a conductive woven fabric to make a filter screen. After being connected to a DC power supply, the woven fabric has a better electrostatic adsorption function and can effectively absorb PM2.5 particles and other dust around the filter screen to prevent outdoor air pollution. Dust enters the room, reducing the amount of indoor dust and improving indoor air quality under the condition of ensuring light transmission and view.
附图说明Description of drawings
图1为本发明遮阳系统的结构示意图。Fig. 1 is a structural schematic diagram of the sunshade system of the present invention.
图1中：1、左滤网；2、卷帘管；3、步进电机；4、出布口；5、导轨；6、直流电源；7、条形绝缘片。In Fig. 1: 1, left filter screen; 2, roller blind tube; 3, stepper motor; 4, cloth outlet; 5, guide rail; 6, DC power supply; 7, strip insulating sheet.
具体实施方式Detailed ways
以下是本发明的具体实施例，结合说明书附图对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。The following are specific embodiments of the present invention, and further describe the technical solution of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.
实施例1Example 1
具有静电吸附PM2.5颗粒功能的导电包覆线。Conductive coated wire with electrostatic adsorption of PM2.5 particles.
制备导电聚氯乙烯复合材料：按重量份数称取70份聚氯乙烯树脂、30份氯化聚乙烯、4份钙锌复合稳定剂、30份对苯二甲酸二辛酯、6份阻燃剂三氧化二锑、0.3份乙撑双硬脂酰胺、0.4份抗氧剂四[β-(3，5-二叔丁基-4-羟基苯基)丙酸]季戊四醇酯和0.4份抗紫外线剂2-羟基-4-正辛氧基二苯甲酮，加入到高速混料机中进行混料，待温度升至110℃时，按重量份加入10份质量比为1:0.3：0.07的镀银纳米石墨微片、镍包铜粉(镍的质量含量为30％的)、单臂碳纳米管的导电填料，然后再加入13份等比例的乙烯-醋酸乙烯共聚树脂和氯乙烯-醋酸乙烯共聚树脂的混合物，在高速混料机继续混料3分钟，然后将混合后的物料加入至冷混机冷却至45℃出料，出料后冷却至室温，然后加入到双螺杆挤出机熔融挤出造粒，切粒后得到导电聚氯乙烯复合材料粒料。Preparation of conductive polyvinyl chloride composite material: Weigh 70 parts of polyvinyl chloride resin, 30 parts of chlorinated polyethylene, 4 parts of calcium-zinc composite stabilizer, 30 parts of dioctyl terephthalate, 6 parts of flame-retardant Agent antimony trioxide, 0.3 parts of ethylene bis stearamide, 0.4 parts of antioxidant tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester and 0.4 parts of anti-ultraviolet Add 2-hydroxyl-4-n-octyloxybenzophenone into a high-speed mixer for mixing, and when the temperature rises to 110°C, add 10 parts by weight of 1:0.3:0.07 Silver-plated nano-graphite flakes, nickel-coated copper powder (the mass content of nickel is 30%), the conductive filler of single-armed carbon nanotubes, and then add 13 parts of equal proportions of ethylene-vinyl acetate copolymer resin and vinyl chloride-acetic acid For the mixture of ethylene copolymer resin, continue to mix in the high-speed mixer for 3 minutes, then add the mixed material to the cold mixer to cool to 45°C and discharge, cool to room temperature after discharge, and then feed into the twin-screw extruder Melt extrusion and granulation, and obtain conductive polyvinyl chloride composite material pellets after pelletizing.
制备静电吸尘剂溶液：按重量份数称取2.5份硫化钙、2.5份四氧化三铁、2.5份锡酸锌、2.5份氢氧化镁、12份氯乙烯-醋酸乙烯共聚树脂、0.15份分散剂BYK-110、60份醋酸丁酯，加入到搅拌装置中，常温搅拌1.5小时，制备得到静电吸尘剂溶液。Preparation of electrostatic cleaner solution: weigh 2.5 parts of calcium sulfide, 2.5 parts of ferric oxide, 2.5 parts of zinc stannate, 2.5 parts of magnesium hydroxide, 12 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersed Agent BYK-110 and 60 parts of butyl acetate were added to the stirring device and stirred at room temperature for 1.5 hours to prepare an electrostatic dust collector solution.
制备导电包覆线：将导电聚氯乙烯材料熔融涂覆到规格220D、单丝断裂强力为20±2N的涤纶纤维表面，再将静电吸尘剂溶液涂覆到导电聚氯乙烯层后加热固化得从里到外依次包括涤纶纤维层、导电聚氯乙烯层以及静电吸尘剂层的直径为0.30mm的导电包覆线，该导电包覆线具有静电吸附PM2.5颗粒功能。Preparation of conductive coated wire: melt-coat conductive polyvinyl chloride material on the surface of polyester fiber with a specification of 220D and a single-filament breaking strength of 20±2N, then apply an electrostatic cleaner solution to the conductive polyvinyl chloride layer and then heat and solidify A conductive coated wire with a diameter of 0.30 mm including a polyester fiber layer, a conductive polyvinyl chloride layer and an electrostatic cleaner layer from the inside to the outside in sequence, the conductive coated wire has the function of electrostatically adsorbing PM2.5 particles.
实施例2Example 2
该实施例与实施例1的区别仅在于，该实施例中按重量份加入8份质量比为1:0.3：0.07的镀银纳米石墨微片、镍包铜粉(镍的质量含量为30％的)、单臂碳纳米管的导电填料；制备的导电包覆线直径为0.28mm。其它与实施例1相同。The difference between this embodiment and Example 1 is only that adding 8 parts by weight in this embodiment is silver-plated nano-graphite microflakes and nickel-coated copper powder (the mass content of nickel is 30% of 1:0.3:0.07) ), the conductive filler of single-armed carbon nanotubes; the diameter of the prepared conductive coated wire is 0.28mm. Others are the same as in Example 1.
实施例3Example 3
该实施例与实施例1的区别仅在于，该实施例中制备静电吸尘剂溶液如下：按重量份数称取3份硫化钙、3份四氧化三铁、3份锡酸锌、3份氢氧化镁、12份氯乙烯-醋酸乙烯共聚树脂、0.15份分散剂BYK-110、65份醋酸丁酯，加入到搅拌装置中，常温搅拌1.5小时，制备得到静电吸尘剂溶液。其它与实施例1相同。The difference between this embodiment and Example 1 is that the electrostatic cleaner solution is prepared as follows in this embodiment: 3 parts of calcium sulfide, 3 parts of ferric oxide, 3 parts of zinc stannate, 3 parts of Add magnesium hydroxide, 12 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersant BYK-110, and 65 parts of butyl acetate into the stirring device, and stir at room temperature for 1.5 hours to prepare an electrostatic dust collector solution. Others are the same as in Example 1.
实施例4Example 4
该实施例与实施例1的区别仅在于，该实施例中按重量份加入10份等比例的乙烯-醋酸乙烯共聚树脂和氯乙烯-醋酸乙烯共聚树脂的混合物。其它与实施例1相同。The difference between this embodiment and embodiment 1 is only that 10 parts by weight of the mixture of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin are added in equal proportions in this embodiment. Others are the same as in Example 1.
实施例5Example 5
具有静电吸附PM2.5颗粒功能的导电包覆线。Conductive coated wire with electrostatic adsorption of PM2.5 particles.
制备导电聚氯乙烯复合材料：按重量份数称取70份聚氯乙烯树脂、30份氯化聚乙烯、4份钙锌复合稳定剂、30份对苯二甲酸二辛酯、6份阻燃剂三氧化二锑、0.3份乙撑双硬脂酰胺、0.3份抗氧剂三(2,4-二叔丁基苯基)亚磷酸酯和0.3份抗紫外线剂2-羟基-4-甲氧基二苯甲酮，加入到高速混料机中进行混料，待温度升至110℃时，按重量份加入8份质量比为1:0.4：0.08的镀银纳米石墨微片、镍包铜粉(镍的质量含量为30％的)、单臂碳纳米管的导电填料，然后再加入13份等比例的乙烯-醋酸乙烯共聚树脂和氯乙烯-醋酸乙烯共聚树脂的混合物，在高速混料机继续混料3分钟，然后将混合后的物料加入至冷混机冷却至45℃出料，出料后冷却至室温，然后加入到双螺杆挤出机熔融挤出造粒，切粒后得到导电阻燃聚氯乙烯复合材料粒料。Preparation of conductive polyvinyl chloride composite material: Weigh 70 parts of polyvinyl chloride resin, 30 parts of chlorinated polyethylene, 4 parts of calcium-zinc composite stabilizer, 30 parts of dioctyl terephthalate, 6 parts of flame-retardant Agent antimony trioxide, 0.3 parts of ethylene bis stearamide, 0.3 parts of antioxidant tris(2,4-di-tert-butylphenyl) phosphite and 0.3 parts of anti-ultraviolet agent 2-hydroxy-4-methoxy Add benzophenone to a high-speed mixer for mixing. When the temperature rises to 110°C, add 8 parts by weight of silver-plated nano-graphite microflakes and nickel-coated copper with a mass ratio of 1:0.4:0.08. powder (the mass content of nickel is 30%), the conductive filler of single-armed carbon nanotubes, then add the mixture of 13 parts of equal proportions of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin, and mix at high speed The machine continued to mix the materials for 3 minutes, and then the mixed materials were added to the cold mixer and cooled to 45°C for discharge. After discharge, the materials were cooled to room temperature, and then added to the twin-screw extruder to melt and extrude to pelletize. After pelletizing, we obtained Conductive flame-resistant polyvinyl chloride composite pellets.
制备静电吸尘剂溶液：按重量份数称取2份硫化钙、3份四氧化三铁、 2.5份锡酸锌、2.5份氢氧化镁、13份氯乙烯-醋酸乙烯共聚树脂、0.15份分散剂BYK-110、65份醋酸丁酯，加入到搅拌装置中，常温搅拌1.5小时，制备得到静电吸尘剂溶液。Preparation of electrostatic cleaner solution: take by weight 2 parts of calcium sulfide, 3 parts of ferric oxide, 2.5 parts of zinc stannate, 2.5 parts of magnesium hydroxide, 13 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersed Agent BYK-110 and 65 parts of butyl acetate were added to the stirring device and stirred at room temperature for 1.5 hours to prepare an electrostatic dust collector solution.
制备导电包覆线：将导电聚氯乙烯材料熔融涂覆到规格220D、单丝断裂强力为20±2N的涤纶纤维表面，再将静电吸尘剂溶液涂覆到导电聚氯乙烯层后加热固化得从里到外依次包括涤纶纤维层、导电聚氯乙烯层以及静电吸尘剂层的直径为0.30mm的导电包覆线，该导电包覆线具有静电吸附PM2.5颗粒功能。Preparation of conductive coated wire: melt-coat conductive polyvinyl chloride material on the surface of polyester fiber with a specification of 220D and a single-filament breaking strength of 20±2N, then apply an electrostatic cleaner solution to the conductive polyvinyl chloride layer and then heat and solidify A conductive coated wire with a diameter of 0.30 mm including a polyester fiber layer, a conductive polyvinyl chloride layer and an electrostatic cleaner layer from the inside to the outside in sequence, the conductive coated wire has the function of electrostatically adsorbing PM2.5 particles.
实施例6Example 6
该实施例与实施例1的区别仅在于，该实施例中制备静电吸尘剂溶液如下：按重量份数称取1.5份硫化钙、3份四氧化三铁、3份锡酸锌、2.5份氢氧化镁、13份氯乙烯-醋酸乙烯共聚树脂、0.15份分散剂BYK-110、65份醋酸丁酯，加入到搅拌装置中，常温搅拌1.5小时，制备得到静电吸尘剂溶液。其它与实施例1相同。The difference between this embodiment and Example 1 is that the electrostatic cleaner solution is prepared as follows in this embodiment: 1.5 parts of calcium sulfide, 3 parts of ferric oxide, 3 parts of zinc stannate, 2.5 parts of Add magnesium hydroxide, 13 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersant BYK-110, and 65 parts of butyl acetate into a stirring device, and stir at room temperature for 1.5 hours to prepare an electrostatic dust collector solution. Others are the same as in Example 1.
实施例7Example 7
该实施例与实施例1的区别仅在于，该实施例中制备静电吸尘剂溶液如下：按重量份数称取1份硫化钙、1份四氧化三铁、4份锡酸锌、4份氢氧化镁、13份氯乙烯-醋酸乙烯共聚树脂、0.15份分散剂BYK-110、65份醋酸丁酯，加入到搅拌装置中，常温搅拌1.5小时，制备得到静电吸尘剂溶液。其它与实施例1相同。The only difference between this example and Example 1 is that the electrostatic cleaner solution is prepared as follows in this example: take by weight 1 part of calcium sulfide, 1 part of ferric oxide, 4 parts of zinc stannate, 4 parts Add magnesium hydroxide, 13 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersant BYK-110, and 65 parts of butyl acetate into a stirring device, and stir at room temperature for 1.5 hours to prepare an electrostatic dust collector solution. Others are the same as in Example 1.
实施例8Example 8
该实施例与实施例1的区别仅在于，该实施例中制备静电吸尘剂溶液如下：按重量份数称取4份硫化钙、1份四氧化三铁、4份锡酸锌、1份氢氧化镁、13份氯乙烯-醋酸乙烯共聚树脂、0.15份分散剂BYK-110、65份醋酸丁酯，加入到搅拌装置中，常温搅拌1.5小时，制备得到静电吸尘剂溶液。其它与实施例1相同。The difference between this embodiment and Example 1 is that the electrostatic cleaner solution is prepared as follows in this embodiment: 4 parts of calcium sulfide, 1 part of ferric oxide, 4 parts of zinc stannate, 1 part of Add magnesium hydroxide, 13 parts of vinyl chloride-vinyl acetate copolymer resin, 0.15 parts of dispersant BYK-110, and 65 parts of butyl acetate into a stirring device, and stir at room temperature for 1.5 hours to prepare an electrostatic dust collector solution. Others are the same as in Example 1.
实施例9Example 9
该实施例与实施例1的区别仅在于，该实施例中的导电填料为等份数 的导电碳黑。其它与实施例1相同。The difference between this embodiment and embodiment 1 is only that the conductive filler in this embodiment is the conductive carbon black of equal parts. Others are the same as in Example 1.
实施例10Example 10
该实施例与实施例2的区别仅在于，该实施例中的导电填料为4份导电石墨、2份铜粉、2份铁粉的混合物。其它与实施例2相同。The difference between this embodiment and embodiment 2 is that the conductive filler in this embodiment is a mixture of 4 parts of conductive graphite, 2 parts of copper powder, and 2 parts of iron powder. Others are identical with embodiment 2.
实施例11Example 11
该实施例与实施例1的区别仅在于，该实施例中，按重量份加入3份质量比为1:0.3：0.07的镀银纳米石墨微片、镍包铜粉(镍的质量含量为30％的)、单臂碳纳米管的导电填料。其它与实施例1相同。The only difference between this embodiment and Example 1 is that in this embodiment, 3 parts by weight are added in parts by weight of silver-plated nano-graphite microflakes and nickel-coated copper powder (the mass content of nickel is 30% by weight) %), conductive filler of single-armed carbon nanotubes. Others are the same as in Example 1.
实施例12Example 12
该实施例与实施例1的区别仅在于，该实施例中，按重量份加入8份质量比为3:3：0.7的镀银纳米石墨微片、镍包铜粉(镍的质量含量为30％的)、单臂碳纳米管的导电填料。其它与实施例1相同。The only difference between this embodiment and Example 1 is that in this embodiment, 8 parts by weight of silver-plated nano-graphite microflakes and nickel-coated copper powder (the mass content of nickel is 30% by weight) are added in a mass ratio of 3:3:0.7. %), conductive filler of single-armed carbon nanotubes. Others are the same as in Example 1.
对比例1Comparative example 1
制备导电聚氯乙烯材料：和实施例1相同。Preparation of conductive polyvinyl chloride material: same as in Example 1.
制备导电包覆线：将导电聚氯乙烯材料熔融涂覆到规格220D、单丝断裂强力为20±2N的涤纶纤维表面，制得直径为0.30mm的包覆线。即该对比例中并没有静电吸尘剂层。Preparation of conductive coated wire: melt-coat conductive polyvinyl chloride material on the surface of polyester fiber with a specification of 220D and a single filament breaking strength of 20±2N to prepare a coated wire with a diameter of 0.30 mm. That is, there was no electrostatic precipitant layer in this comparative example.
对比例2Comparative example 2
该实施例与实施例1的区别仅在于，该对比例中，按如下重量份数称取静电吸尘剂：1份硫化钙、1份四氧化三铁、1份锡酸锌、1份氢氧化镁。其它与实施例1相同。The difference between this embodiment and Example 1 is that in this comparative example, the electrostatic dust collector is weighed according to the following parts by weight: 1 part of calcium sulfide, 1 part of ferric oxide, 1 part of zinc stannate, 1 part of hydrogen magnesium oxide. Others are the same as in Example 1.
对比例3Comparative example 3
该实施例与实施例1的区别仅在于，该对比例中，按如下重量份数称取静电吸尘剂：4份硫化钙、4份四氧化三铁、4份锡酸锌、4份氢氧化镁。其它与实施例1相同。The difference between this embodiment and Example 1 is that in this comparative example, the electrostatic dust collector is weighed in the following parts by weight: 4 parts of calcium sulfide, 4 parts of ferric oxide, 4 parts of zinc stannate, 4 parts of hydrogen magnesium oxide. Others are the same as in Example 1.
对比例4Comparative example 4
该实施例与实施例1的区别仅在于，该实施例中，按如下重量份数称取静电吸尘剂：5份四氧化三铁、5份锡酸锌。其它与实施例1相同。The difference between this example and Example 1 is that in this example, the electrostatic dust collector is weighed according to the following parts by weight: 5 parts of ferric oxide and 5 parts of zinc stannate. Others are the same as in Example 1.
对比例5Comparative example 5
该对比例与实施例1的区别仅在于，该对比例中，制备导电聚氯乙烯复合材料中，按重量份加入5份等比例的乙烯-醋酸乙烯共聚树脂和氯乙烯-醋酸乙烯共聚树脂的混合物；制备静电吸尘剂溶液：按重量份数称取2.5份硫化钙、2.5份四氧化三铁、2.5份锡酸锌、2.5份氢氧化镁、0.15份分散剂BYK-110、65份醋酸丁酯，加入到搅拌装置中，常温搅拌1.5小时，制备得到静电吸尘剂溶液。其它与实施例1相同。The only difference between this comparative example and Example 1 is that in this comparative example, in the preparation of the conductive polyvinyl chloride composite material, 5 parts by weight of equal proportions of ethylene-vinyl acetate copolymer resin and vinyl chloride-vinyl acetate copolymer resin are added. Mixture; preparation of electrostatic cleaner solution: weigh 2.5 parts of calcium sulfide, 2.5 parts of ferric oxide, 2.5 parts of zinc stannate, 2.5 parts of magnesium hydroxide, 0.15 parts of dispersant BYK-110, 65 parts of acetic acid in parts by weight Butyl ester was added into a stirring device and stirred at room temperature for 1.5 hours to prepare an electrostatic dust collector solution. Others are the same as in Example 1.
对比例6Comparative example 6
该对比例与实施例1的区别仅在于，该对比例中，在聚氯乙烯复合材料中并不含有导电填料，即为普通的非导电聚氯乙烯材料，其它与实施例1相同。The only difference between this comparative example and Example 1 is that in this comparative example, the polyvinyl chloride composite material does not contain conductive fillers, that is, it is a common non-conductive polyvinyl chloride material, and the others are the same as in Example 1.
实施例A1-A12Examples A1-A12
分别将实施例1-12制得的导电包覆线先通过织布机捻线编织形成规则纹路、具有经线和纬线结构的编织面料，然后将编织面料在有张力的条件下放入热烘房中进行热定型处理，制得开孔率为10％的导电编织面料。热定型经向张力为1200N，纬向张力为700N，热烘房的温度为125℃，热定型处理的时间为6min。The conductive covered wires prepared in Examples 1-12 were first twisted and woven by a loom to form a woven fabric with regular lines and a warp and weft structure, and then the woven fabric was put into a heat drying room under tension. Heat setting treatment was carried out in the process to obtain a conductive woven fabric with a porosity of 10%. The heat setting warp tension is 1200N, the weft tension is 700N, the temperature of the heat drying room is 125°C, and the heat setting treatment time is 6 minutes.
对比例A1-A6Comparative Examples A1-A6
分别将对比例1-6中的导电包覆线通过实施例A1中的方法制成导电编织面料。The conductive covered wires in Comparative Examples 1-6 were respectively made into conductive braided fabrics by the method in Example A1.
实施例B1-B12Examples B1-B12
如图1所示，本发明中具有静电吸附PM2.5颗粒功能的遮阳系统包括：As shown in Figure 1, the sunshade system with the function of electrostatically adsorbing PM2.5 particles in the present invention includes:
直流电源：工作时提供100V的电压；DC power supply: 100V voltage is provided during operation;
左滤网和右滤网：分别由实施例A1-A12中导电编织面料制成左滤网和右滤网，左滤网和右滤网分别通过导线连接直流高压电源6的正极和负极；Left filter screen and right filter screen: the left filter screen and the right filter screen are respectively made of conductive woven fabrics in the embodiment A1-A12, and the left filter screen and the right filter screen are respectively connected to the positive pole and the negative pole of the DC high-voltage power supply 6 by wires;
两套自动收卷装置，分别设置在左滤网1的左侧和右滤网的右侧，每套自动收卷装置包括卷帘管2，卷帘管2上设有出布口4，卷帘管2内部设 有卷布轴，左滤网1的左侧端部和右滤网的右侧端部分别连接在相应自动收卷装置的卷布轴上，卷帘管2上还设置有与卷布轴连接的步进电机3，用于驱动卷布轴实现滤网的自动收卷和展开；Two sets of automatic winding devices are respectively arranged on the left side of the left filter screen 1 and the right side of the right filter screen. Each automatic winding device includes a rolling screen tube 2, and the rolling screen tube 2 is provided with a cloth outlet 4. The inside of the curtain tube 2 is provided with a fabric roll shaft, the left end of the left filter screen 1 and the right side end of the right filter screen are respectively connected to the roll roll shafts of the corresponding automatic winding device, and the roll screen tube 2 is also provided with a The stepping motor 3 connected with the cloth roll shaft is used to drive the cloth roll shaft to realize the automatic winding and unfolding of the filter screen;
两条绝缘的导轨5：分别设置在左滤网1和右滤网的上下端部；以及两个条形绝缘片7：分别设置在左滤网1的右侧端部和右滤网的左侧端部，宽5cm厚1cm。Two insulated guide rails 5: respectively arranged on the upper and lower ends of the left filter screen 1 and the right filter screen; The side ends are 5 cm wide and 1 cm thick.
上述具有静电吸附PM2.5颗粒功能的遮阳系统的制备方法为：将导电编织面料裁剪为尺寸大小合适的左滤网1和右滤网，将左滤网1、右滤网分别与高压直流电源6的正极和负极相连接，然后将左滤网1和右滤网分别固定在相应的自动收卷装置上。The preparation method of the above-mentioned sunshade system with the function of electrostatically adsorbing PM2.5 particles is as follows: cutting the conductive woven fabric into the left filter screen 1 and the right filter screen of appropriate size, and connecting the left filter screen 1 and the right filter screen with the high-voltage DC power supply respectively The positive and negative poles of 6 are connected, and then the left filter screen 1 and the right filter screen are respectively fixed on the corresponding automatic winding device.
对比例B1-B6Comparative Examples B1-B6
与实施例B1的区别仅在于，左滤网和右滤网分别由对比例A1-A6中导电编织面料制成，即对比例B1中的左滤网和右滤网由对比例A1中导电编织面料制成，对比例B2中的左滤网和右滤网由对比例A2中导电编织面料制成。The only difference from Example B1 is that the left filter screen and the right filter screen are respectively made of conductive woven fabrics in Comparative Examples A1-A6, that is, the left filter screen and right filter screen in Comparative Example B1 are made of conductive woven fabrics in Comparative Example A1. Made of fabric, the left filter screen and the right filter screen in Comparative Example B2 are made of conductive woven fabric in Comparative Example A2.
将本发明实施例1～12、对比例1～6、实施例A1～A12、对比例A1～A6、实施例B1～B12、对比例B1～B6中制得的具有静电吸附PM2.5颗粒功能的导电包覆线、导电编织面料、遮阳系统的性能进行比较，比较结果如表1所示。The particles prepared in Examples 1-12, Comparative Examples 1-6, Examples A1-A12, Comparative Examples A1-A6, Examples B1-B12, and Comparative Examples B1-B6 of the present invention have the function of electrostatically adsorbing PM2.5 particles The performance of the conductive coated wire, conductive woven fabric, and sunshade system is compared, and the comparison results are shown in Table 1.
表1：Table 1:
Figure PCTCN2021111065-appb-000001
Figure PCTCN2021111065-appb-000001
Figure PCTCN2021111065-appb-000002
Figure PCTCN2021111065-appb-000002
Figure PCTCN2021111065-appb-000003
Figure PCTCN2021111065-appb-000003
注：氧指数测试标准：GB/T5454-1997；日晒色牢度测试标准：GB/T8427-2008；导电包覆线电阻(每20cm)：指未编织前导电包覆线的电阻；PM2.5吸附效率a：在无直流电源条件下，编织面料半个小时所吸附的PM2.5同编织面料质量比；PM2.5吸附效率b：在直流电源条件下，遮阳系统中编织面料半个小时所吸附的PM2.5同编织面料质量比。Note: Oxygen index test standard: GB/T5454-1997; Light color fastness test standard: GB/T8427-2008; Conductive coated wire resistance (per 20cm): refers to the resistance of the conductive coated wire before weaving; PM2. 5 Adsorption efficiency a: Under the condition of no DC power supply, the mass ratio of PM2.5 adsorbed by the woven fabric to the woven fabric for half an hour; PM2.5 adsorption efficiency b: Under the condition of DC power supply, the woven fabric in the sunshade system for half an hour The mass ratio of the adsorbed PM2.5 to the woven fabric.
从表1可以看出，本发明实施例1-12中所制备的导电包覆线电阻(每20cm)在10 5Ω内，具有导电特性；导电编织面料耐候性能良好，且具有良好的阻燃性能，并在无直流电源作用下具有吸附PM2.5颗粒功能；在有直流电源通电情况下，遮阳系统的PM2.5颗粒吸附功能更加明显。 It can be seen from Table 1 that the resistance (per 20cm) of the conductive coated wire prepared in Examples 1-12 of the present invention is within 10 5 Ω, and has conductive properties; the conductive woven fabric has good weather resistance and good flame retardancy performance, and has the function of adsorbing PM2.5 particles without the action of DC power supply; when the DC power supply is energized, the PM2.5 particle adsorption function of the sunshade system is more obvious.
从实施例可以看出，随着导电聚氯乙烯复合材料中起到主要导电特性的导电填料含量的减少，所制备的导电包覆线的电阻越大，见实施例1、2和实施例11。若聚氯乙烯复合材料中不含本发明导电填料，则所得到的复合材料不导电，实施例1和对比例6It can be seen from the examples that as the content of the conductive filler that plays the main conductive characteristic in the conductive polyvinyl chloride composite material decreases, the resistance of the prepared conductive coated wire is greater, see Examples 1, 2 and Example 11 . If the polyvinyl chloride composite material does not contain the conductive filler of the present invention, the resulting composite material is non-conductive, Example 1 and Comparative Example 6
本发明所使用的导电填料为镀银纳米石墨微片、镍包铜粉、单臂碳纳米管的混合物，若导电聚氯乙烯复合材料中用等份数的普通导电碳黑或者导电石墨、铜粉、铁粉的混合物代替本发明的导电填料，则所得的导电材料的导电性明显减弱，见实施例1、2和实施例9、10。The conductive filler used in the present invention is a mixture of silver-plated nano-graphite microflakes, nickel-coated copper powder, and single-arm carbon nanotubes. If the mixture of powder and iron powder replaces the conductive filler of the present invention, the conductivity of the resulting conductive material will be significantly weakened, as shown in Examples 1 and 2 and Examples 9 and 10.
作为优选，所述的导电填料为镀银纳米石墨微片、镍包铜粉、单臂碳纳米管的按质量比1:(0.2～0.6)：(0.05～0.1)混合的混合物。进一步优选，所述的导电填料为镀银纳米石墨微片、镍包铜粉、单臂碳纳米管按质量比1:(0.2～0.4)：(0.05～0.08)混合的混合物。更进一步优选，所述的导电填料中镀银纳米石墨微片、镍包铜粉、单臂碳纳米管的质量比为1：0.3： 0.07。在导电填料更进一步优选比例以及进一步优选比例配比中，所得的聚氯乙烯复合材料导电性能优良(导电包覆线电阻每20cm在10 3Ω内)，见实施例1～8。若导电填料中的镀银纳米石墨微片比例降低，即导电填料中各组分不在优选比例内，则所得的聚氯乙烯复合材料导电性能有所降低，见实施例1、12。 Preferably, the conductive filler is a mixture of silver-plated nano-graphite flakes, nickel-clad copper powder, and single-armed carbon nanotubes in a mass ratio of 1:(0.2-0.6):(0.05-0.1). Further preferably, the conductive filler is a mixture of silver-plated nano-graphite flakes, nickel-clad copper powder, and single-armed carbon nanotubes in a mass ratio of 1:(0.2-0.4):(0.05-0.08). More preferably, the mass ratio of silver-plated nano-graphite microflakes, nickel-coated copper powder, and single-armed carbon nanotubes in the conductive filler is 1:0.3:0.07. In the further preferred ratio and ratio of the conductive filler, the obtained polyvinyl chloride composite material has excellent electrical conductivity (the resistance of the conductive sheathed wire is within 10 3 Ω per 20 cm), see Examples 1-8. If the proportion of silver-plated nano-graphite flakes in the conductive filler is reduced, that is, the components in the conductive filler are not in the preferred ratio, the electrical conductivity of the polyvinyl chloride composite material obtained will be reduced, as shown in Examples 1 and 12.
本发明编织面料的包覆线表面进行静电吸尘剂涂层后，编织面料表面具有一定的静电特性，在无直流电源下，面料也对PM2.5等颗粒具有吸附特性，见实施例A1～A12；且在一定添加量范围内，随着静电吸尘剂溶液中静电吸尘剂含量的增加，其对PM2.5的吸附能力有所增加，见实施例A1、A3和对比例A2；若包覆线表面不含静电吸尘剂涂层，则在无外加直流电源条件下面料对PM2.5的吸附能力很差，见实施例A1和对比例A1；若包覆线表面静电吸尘剂层中静电吸尘剂含量过高，则失去静电吸附功效，其编织面料在无外加直流电源条件下对PM2.5的吸附能力变差，见实施例A1和对比例A3；After the surface of the coated wire of the woven fabric of the present invention is coated with an electrostatic dust collector, the surface of the woven fabric has a certain electrostatic characteristic. Without a DC power supply, the fabric also has adsorption properties for particles such as PM2.5, see Examples A1～ A12; and within a certain range of additions, along with the increase of electrostatic precipitator content in the electrostatic precipitator solution, its adsorption capacity to PM2.5 increases to some extent, see embodiment A1, A3 and comparative example A2; if The surface of the covered wire does not contain an electrostatic dust collector coating, and the fabric has poor adsorption capacity for PM2.5 without an external DC power supply, see Example A1 and Comparative Example A1; If the content of the electrostatic cleaner in the layer is too high, the electrostatic adsorption effect will be lost, and the adsorption capacity of the woven fabric to PM2.5 will be worsened without an external DC power supply, as shown in Example A1 and Comparative Example A3;
本发明的静电吸尘剂是硫化钙、四氧化三铁、锡酸锌、氢氧化镁的混合物，是一个复配整体。作为优选，静电吸尘剂中硫化钙、四氧化三铁、锡酸锌、氢氧化镁按质量百分比计分别占混合物总质量的15-30％、15-30％、15-30％、15-30％。在该优选比例范围内，所得的编织面料在无外加直流电源条件下对PM2.5具有较好的吸附能力，见实施例A5、A6。再进一步优选，所述静电吸尘剂中硫化钙、四氧化三铁、锡酸锌、氢氧化镁的质量比均为25％，在此配比条件下，所得的编织面料在无外加直流电源条件下对PM2.5的吸附能力最佳，见实施例A1、A2、A3、A4。若静电吸尘剂中各组分不在优选范围内，则所得的编织面料在无外加直流电源条件下对PM2.5的吸附能力有所降低，见实施例A1～A6和实施例A7、A8。若静电吸尘剂不是硫化钙、四氧化三铁、锡酸锌、氢氧化镁的混合物，则所得的编织面料在无外加直流电源条件下对PM2.5的吸附能力很差，见实施例A1～A6和对比例A4，说明本发明的静电吸尘剂复配物具有复配协效作用。The electrostatic dust collector of the present invention is a mixture of calcium sulfide, ferric oxide, zinc stannate and magnesium hydroxide, and is a composite whole. As preferably, calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide in the electrostatic precipitator account for 15-30%, 15-30%, 15-30%, 15-30% of the total mass of the mixture in terms of mass percentage, respectively 30%. Within the preferred ratio range, the obtained woven fabric has a good adsorption capacity for PM2.5 without an external DC power supply, see Examples A5 and A6. Further preferably, the mass ratio of calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide in the electrostatic dust collector is 25%. The adsorption capacity to PM2.5 is the best under the condition, see embodiment A1, A2, A3, A4. If the components in the electrostatic cleaner are not within the preferred range, the resulting woven fabric will have a reduced adsorption capacity for PM2.5 without an external DC power supply, see Examples A1-A6 and Examples A7 and A8. If the electrostatic dust collector is not a mixture of calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide, the resulting woven fabric has poor adsorption capacity for PM2.5 without an external DC power supply, see Example A1 ~A6 and comparative example A4 show that the electrostatic precipitator compound of the present invention has compound synergistic effect.
由于本发明导电聚氯乙烯复合材料中采用了协效阻燃和自由基阻燃机 理，使得复合材料具有良好的阻燃特性，相应的导电编织面料也具有良好的阻燃特性。若复合材料体系中三氧化二锑分散不均匀或者聚氯乙烯复合材料中不含三氧化二锑，则导电编织面料的阻燃性降低，见实施例A1和对比例A5、A6Since the synergistic flame retardant and free radical flame retardant mechanisms are adopted in the conductive polyvinyl chloride composite material of the present invention, the composite material has good flame retardant properties, and the corresponding conductive woven fabric also has good flame retardant properties. If antimony trioxide is not uniformly dispersed in the composite material system or the polyvinyl chloride composite material does not contain antimony trioxide, the flame retardancy of the conductive woven fabric will decrease, see Example A1 and Comparative Examples A5 and A6
在静电吸尘剂溶液中，氯乙烯-醋酸乙烯共聚树脂对静电吸尘剂与PVC复合材料起到耦合相容的作用，若静电吸尘剂溶液制备过程中无氯乙烯-醋酸乙烯共聚树脂，则静电吸尘剂很难与聚氯乙烯复合材料层相容结合，最后编织面料在无外加直流电源条件下的静电吸附能力明显减弱，吸附PM2.5的能力相应减弱，见实施例A1和对比例A5。In the electrostatic precipitator solution, the vinyl chloride-vinyl acetate copolymer resin plays the role of coupling compatibility between the electrostatic precipitator and the PVC composite material, if there is no vinyl chloride-vinyl acetate copolymer resin in the preparation process of the electrostatic precipitator solution, Then the electrostatic dust collector is difficult to be compatible with the polyvinyl chloride composite material layer. Finally, the electrostatic adsorption capacity of the woven fabric under the condition of no external DC power supply is obviously weakened, and the ability to absorb PM2.5 is correspondingly weakened. See Example A1 and the pair Scale A5.
在本发明导电聚氯乙烯复合材料中，具有偶联分散作用的乙烯-醋酸乙烯共聚树脂和氯乙烯-醋酸乙烯共聚树脂，对导电复合材料体系中的无机金属填料与聚氯乙烯树脂之间分散均一性起到积极作用，得以让导电和阻燃的功能充分发挥。若二者在配方中的含量减少，无机金属填料在PVC中的分散均一性较差，各功能材料的特性不能充分发挥，相应的，材料的电阻增大，且阻燃性能减弱，见实施例1、4和对比例5以及实施例A1、A4和对比例A5。In the conductive polyvinyl chloride composite material of the present invention, the ethylene-vinyl acetate copolymer resin and the vinyl chloride-vinyl acetate copolymer resin with coupling and dispersing effects can disperse between the inorganic metal filler and the polyvinyl chloride resin in the conductive composite material system. Uniformity plays a positive role in allowing the full performance of electrical conductivity and flame retardancy. If the content of the two in the formula is reduced, the dispersion uniformity of the inorganic metal filler in PVC will be poor, and the characteristics of each functional material will not be fully utilized. Correspondingly, the resistance of the material will increase, and the flame retardant performance will weaken. See Examples 1, 4 and comparative example 5 and embodiment A1, A4 and comparative example A5.
在有直流电源供电的遮阳系统中，通过直流电源通电，使得左右编织面料上带有的正电荷和负电荷大大增加，由于静电吸附，能吸附大量的PM2.5及其它细小颗粒，见实施例B1～B6。若编织面料中包覆线的导电性较差，则会降低遮阳系统对PM2.5的吸附特性，见实施例B9～B12和对比例B5、B6。另外若包覆线表面静电吸尘剂的量或者配比不在优选范围内，则由该包覆线制备的编织面料及其遮阳系统对PM2.5的吸附能力也减弱，见实施例B7、B8和对比例B1～B4。In the sunshade system powered by DC power supply, the positive and negative charges on the left and right woven fabrics are greatly increased by the DC power supply. Due to electrostatic adsorption, it can absorb a large amount of PM2.5 and other fine particles. See the example B1~B6. If the electrical conductivity of the covered thread in the woven fabric is poor, the adsorption properties of the sunshade system to PM2.5 will be reduced, see Examples B9-B12 and Comparative Examples B5 and B6. In addition, if the amount or proportion of the electrostatic dust collector on the surface of the coated wire is not within the preferred range, then the woven fabric prepared from the covered wire and its sunshade system will also have a weakened adsorption capacity for PM2.5, see Examples B7 and B8 and Comparative Examples B1-B4.
本处实施例对本发明要求保护的技术范围中点值未穷尽之处以及在实施例技术方案中对单个或者多个技术特征的同等替换所形成的新的技术方案，同样都在本发明要求保护的范围内；同时本发明方案所有列举或者未列举的实施例中，在同一实施例中的各个参数仅仅表示其技术方案的一个实例(即一种可行性方案)，而各个参数之间并不存在严格的配合与限定关 系，其中各参数在不违背公理以及本发明述求时可以相互替换，特别声明的除外。The embodiments here are not exhaustive in the technical scope of the present invention, and the new technical solutions formed by the equivalent replacement of single or multiple technical features in the technical solutions of the embodiments are also claimed in the present invention. within the scope; at the same time, in all enumerated or unenumerated embodiments of the present invention, each parameter in the same embodiment only represents an example of its technical solution (that is, a feasible solution), and there is no relationship between each parameter There is a strict coordination and limitation relationship, where each parameter can be replaced without violating the axiom and the statement of the present invention, unless otherwise stated.
本发明方案所公开的技术手段不仅限于上述技术手段所公开的技术手段，还包括由以上技术特征任意组合所组成的技术方案。以上所述是本发明的具体实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of any combination of the above technical features. The foregoing is a specific embodiment of the present invention, and it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also considered Be the protection scope of the present invention.

Claims (10)

  1. 一种具有静电吸附PM2.5颗粒功能的导电包覆线，其特征在于，所述导电包覆线从里到外依次包括纤维层、导电聚氯乙烯层以及静电吸尘剂层，所述静电吸尘剂层由静电吸尘剂溶液涂覆到导电聚氯乙烯层后加热固化而成，静电吸尘剂溶液按重量份数计包括如下组分：静电吸尘剂8～12份、氯乙烯-醋酸乙烯共聚树脂10～15份、分散剂0.1～0.2份、醋酸丁酯50-70份。A conductive coated wire with the function of electrostatically adsorbing PM2.5 particles, characterized in that, the conductive coated wire sequentially includes a fiber layer, a conductive polyvinyl chloride layer, and an electrostatic dust collector layer from the inside to the outside. The dust-absorbing agent layer is formed by coating the conductive polyvinyl chloride layer with an electrostatic dust-absorbing agent solution and heating and curing. The electrostatic dust-absorbing agent solution includes the following components in parts by weight: 8-12 parts of electrostatic dust-absorbing agent, vinyl chloride - 10-15 parts of vinyl acetate copolymer resin, 0.1-0.2 parts of dispersant, 50-70 parts of butyl acetate.
  2. 根据权利要求1所述的导电包覆线，其特征在于，所述的导电包覆线的直径为0.20mm～0.35mm。The conductive covered wire according to claim 1, characterized in that, the diameter of the conductive covered wire is 0.20mm-0.35mm.
  3. 根据权利要求1所述的导电包覆线，其特征在于，所述的纤维为涤纶纤维、玻璃纤维、晴纶纤维、丙纶纤维、芳纶纤维、氨纶纤维、聚乙烯纤维中的一种或多种，纤维规格为100～300D的长纤维，单丝断裂强力大于10N。The conductive covered wire according to claim 1, wherein the fibers are one or more of polyester fibers, glass fibers, acrylic fibers, polypropylene fibers, aramid fibers, spandex fibers, and polyethylene fibers , The fiber specification is long fiber of 100-300D, and the breaking strength of single filament is greater than 10N.
  4. 根据权利要求1所述的导电包覆线，其特征在于，所述的静电吸尘剂为硫化钙、四氧化三铁、锡酸锌、氢氧化镁的混合物。The conductive coated wire according to claim 1, characterized in that the electrostatic dust collector is a mixture of calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide.
  5. 根据权利要求4所述的导电包覆线，其特征在于，静电吸尘剂中硫化钙、四氧化三铁、锡酸锌、氢氧化镁按质量百分比计分别占混合物总质量的15-30％、15-30％、15-30％、15-30％。The conductive coated wire according to claim 4, characterized in that calcium sulfide, ferric oxide, zinc stannate, and magnesium hydroxide in the electrostatic dust collector account for 15-30% of the total mass of the mixture in terms of mass percentages , 15-30%, 15-30%, 15-30%.
  6. 一种具有静电吸附PM2.5颗粒功能的导电编织面料，其特征在于，所述的导电编织面料由权利要求1所述的导电包覆线经编织而成。A conductive woven fabric with the function of electrostatically adsorbing PM2.5 particles, characterized in that the conductive woven fabric is woven from the conductive coated wire according to claim 1.
  7. 根据权利要求6所述的导电编织面料，其特征在于，所述导电编织面料具有经线和纬线结构，所述经线结构和纬线结构之间留有长方形或者正方形的空隙，其开孔率为10％～15％。The conductive woven fabric according to claim 6, wherein the conductive woven fabric has a warp and weft structure, and there is a rectangular or square gap between the warp structure and the weft structure, and its porosity is 10%. ~15%.
  8. 一种具有静电吸附PM2.5颗粒功能的滤网，其特征在于，所述的滤网由7所述的导电编织面料制成。A filter screen with the function of electrostatically adsorbing PM2.5 particles is characterized in that the filter screen is made of the conductive woven fabric described in 7.
  9. 一种具有静电吸附PM2.5颗粒功能的遮阳系统，其特征在于，所述遮阳系统包括权利要求8所述的过滤网。A sunshade system with the function of electrostatically adsorbing PM2.5 particles, characterized in that the sunshade system includes the filter screen according to claim 8.
  10. 根据权利要求9所述的遮阳系统，其特征在于，所述遮阳系统 包括左滤网、右滤网，及直流电源，左滤网和右滤网分别通过导线连接直流电源的正极和负极。The sunshade system according to claim 9, wherein the sunshade system comprises a left filter screen, a right filter screen, and a DC power supply, and the left filter screen and the right filter screen are respectively connected to the positive pole and the negative pole of the DC power supply by wires.
PCT/CN2021/111065 2021-08-06 2021-08-06 Conductive coated wire having function of electrostatic adsorption of pm2.5 particles, conductive woven fabric, filter screen, and sunshade system WO2023010496A1 (en)

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