WO2019160231A1 - Fibre polymère multifonctionnelle - Google Patents

Fibre polymère multifonctionnelle Download PDF

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Publication number
WO2019160231A1
WO2019160231A1 PCT/KR2018/016205 KR2018016205W WO2019160231A1 WO 2019160231 A1 WO2019160231 A1 WO 2019160231A1 KR 2018016205 W KR2018016205 W KR 2018016205W WO 2019160231 A1 WO2019160231 A1 WO 2019160231A1
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polymer fiber
filter
group
polymer
silane coupling
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PCT/KR2018/016205
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English (en)
Korean (ko)
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김운중
이승호
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한남대학교 산학협력단
(주)켐트리
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Publication of WO2019160231A1 publication Critical patent/WO2019160231A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—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
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • 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
    • D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • 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
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • 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
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • D06M15/6433—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing carboxylic groups
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/13—Physical properties anti-allergenic or anti-bacterial
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/04—Filters

Definitions

  • the present invention relates to a polymer fiber for filters, and more particularly, (a) treating the polymer fiber with a diazonium salt to modify the surface of the polymer fiber; (b) treating the modified polymer fibers with a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer to produce surface treated polymer fibers; And (c) treating the surface treated polymer fibers with a metal solution to produce a metal complex polymer fiber.
  • Korean Utility Model Registration No. 20-0365133 discloses a filter for various uses.
  • the technique disclosed in the above document is inferior in harmful gas removal characteristics, fine dust removal characteristics, antibacterial properties, etc., and thus cannot satisfy the needs of consumers who need a high functional filter.
  • Patent Document 1 Korean Utility Model Registration No. 20-0365133
  • the present invention is to solve the problems of the prior art, it is an object of the present invention to provide a polymer fiber for filter excellent in removing harmful gas, fine dust removal characteristics and antibacterial by forming a metal complex on the surface of the polymer fiber.
  • the present invention is a graft polymer having excellent thermal stability on the surface of the polymer fiber and a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer covalently bonded, so that the graft polymer and even under high temperature conditions such as coating process, filter manufacturing process Since the copolymer is thermally stable and does not decompose, an object of the present invention is to provide a polymer fiber for filters that can stably bond metal complexes to express adsorption characteristics, antibacterial properties, and the like for a long time.
  • an object of the present invention is to provide a cabin filter that can be used stably for a long time by increasing the surface area and porosity, and excellent in the harmful gas removal characteristics, fine dust removal characteristics and antibacterial properties by bonding the metal complex to the surface of the polymer fiber.
  • the present invention comprises the steps of (a) treating the polymer fibers with a diazonium salt (diazonium salt) to modify the surface of the polymer fibers; (b) treating the modified polymer fibers with a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer to produce surface treated polymer fibers; And (c) treating the surface treated polymer fibers with a metal solution to produce a metal complex polymer fiber.
  • a diazonium salt diazonium salt
  • the step (a) is a diazonium salt on the surface of the polymer fiber by treating the polymer fiber with a diazonium salt having at least one functional group selected from carboxyl group, hydroxyl group, sulfonic acid group and phosphoric acid group It is characterized by graft polymerization.
  • the copolymer of step (b) is characterized in that the weight ratio of the acrylate group-containing silane coupling agent and the acrylic acid monomer is 10 to 30:70 to 90.
  • the step (c) is characterized in that the metal of the functional group and the metal solution formed on the surface of the polymer fiber to form a metal complex.
  • the present invention is a filter polymer fiber produced by the manufacturing method, wherein the filter polymer fiber is graft polymerized diazonium salt having at least one functional group selected from carboxyl group, hydroxyl group, sulfonic acid group and phosphoric acid group on the surface And a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer bonded to the surface of the filter polymer fiber, wherein the functional group and the metal of the metal solution formed on the surface of the filter polymer fiber form a metal complex. It provides a polymer fiber for.
  • the present invention provides a cabin filter comprising the polymer fiber for the filter.
  • the present invention can provide a polymer fiber for the filter excellent in the removal of harmful gas, fine dust removal characteristics and antibacterial by forming a metal complex on the surface of the polymer fiber.
  • the present invention is a graft polymer having excellent thermal stability on the surface of the polymer fiber and a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer covalently bonded, so that the graft polymer and even under high temperature conditions such as coating process, filter manufacturing process Since the copolymer is thermally stable and does not decompose, it is possible to provide a polymer fiber for a filter that can stably bond metal complexes to express adsorption characteristics, antibacterial properties, and the like for a long time.
  • the present invention can provide a cabin filter that can be used stably for a long time by combining the metal complex on the surface of the polymer fiber, the surface area and porosity is increased and the harmful gas removal characteristics, fine dust removal characteristics and antibacterial properties.
  • FIG. 1 shows a metal complex polymer fiber of the present invention.
  • the present invention comprises the steps of (a) treating the polymer fibers with a diazonium salt (diazonium salt) to modify the surface of the polymer fibers; (b) treating the modified polymer fibers with a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer to produce surface treated polymer fibers; And (c) treating the surface treated polymer fibers with a metal solution to produce a metal complex polymer fiber.
  • a diazonium salt diazonium salt
  • the step (a) is treated with a diazonium salt having at least one functional group selected from a carboxyl group, a hydroxyl group, a sulfonic acid group and a phosphate group, so that the diazonium salt may be graft polymerized on the surface of the polymer fiber.
  • functional groups such as carboxyl groups, hydroxyl groups, sulfonic acid groups, and phosphoric acid groups formed on the surface of the polymer fiber may be combined with metals, nano carbon balls or various compounds, and adsorption characteristics and antimicrobial properties may be improved.
  • polyolefin such as polyethylene, polypropylene, polyester, polyamide, polyurethane, polyacrylonitrile, acrylic resin, or the like can be used without limitation.
  • the polymer fibers also include aggregates of polymer fibers, that is, nonwovens, mats, webs, fabrics, filters, and the like.
  • the content of diazonium salt is preferably 1 to 10 parts by weight based on 100 parts by weight of the polymer fiber, and when the content of the diazonium salt is less than 1 part by weight, the introduction of functional groups is insignificant, so that the adsorption characteristics are lowered, and the content is greater than 10 parts by weight.
  • the porosity of the filter is rather small, making it difficult to effectively adsorb harmful gases and fine dust.
  • the diazonium salt may be prepared by reacting an aromatic primary amine having at least one functional group selected from carboxyl group, hydroxyl group, sulfonic acid group and phosphoric acid group with hydrochloric acid and sodium nitrite.
  • the diazonium salt can be prepared through a third step of mixing 0.1 to 500 parts by weight of 0.02M sodium nitrite into the mixture of the second step.
  • a diazonium salt having at least one functional group selected from a carboxyl group, a hydroxyl group, a sulfonic acid group and a phosphate group
  • a diazonium salt is continuously bonded to the surface of the polymer fiber to form a graft polymer having excellent thermal stability.
  • a diazonium salt having at least one functional group selected from a carboxyl group, a hydroxyl group, a sulfonic acid group and a phosphate group
  • the graft polymer having excellent thermal stability is covalently bonded to the surface of the polymer fiber
  • the graft polymer is thermally stable and does not decompose under high temperature conditions such as a coating process and a filter manufacturing process, so that the metal complex or the nano carbon ball is stably Can be combined to express adsorption characteristics, antimicrobial properties for a long time.
  • the low molecular weight compound is bonded to the surface of the polymer fiber, the low molecular weight compound is easily decomposed by heat, so that the metal complex or nano carbon ball is easily detached, and adsorption characteristics, antimicrobial properties, etc. cannot be expressed.
  • a catalyst such as potassium sulfate or sodium nitrate may be used, and the catalyst is preferably used in an amount of 0.01 to 0.1 moles based on 1 mole of diazonium salt. If the content of the catalyst is less than 0.01 mole, the effect of the addition is insignificant, and if it exceeds 0.1 mole, a large amount of homopolymer of the diazonium salt is produced and the adsorption characteristic is lowered.
  • the graft polymerization is preferably carried out at 50 to 90 ° C. for 10 minutes to 24 hours.
  • the polymerization temperature is less than 50 ° C., the polymerization is incompletely occurred, and when it exceeds 90 ° C., the durability of the fiber is lowered.
  • the polymerization time is less than 10 minutes, the polymerization is incompletely produced. If the polymerization time is more than 24 hours, a large amount of the homopolymer of the diazonium salt is generated and the adsorption characteristics are deteriorated.
  • Step (b) is a step of preparing the surface-treated polymer fibers by treating the modified polymer fibers with a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer.
  • the copolymer may bind to the graft polymer covalently bonded to the surface of the polymer fiber or introduced by the diazonium salt, thereby introducing a plurality of carboxyl groups on the surface of the polymer fiber.
  • a plurality of carboxyl groups included in the copolymer may be combined with metals, nano carbon balls or various compounds, and adsorption characteristics, antibacterial properties, and the like may be improved.
  • the copolymer having excellent thermal stability is covalently bonded to the surface of the polymer fiber, the copolymer is thermally stable and does not decompose under high temperature conditions such as a coating process or a filter manufacturing process, so that the metal complex or nano carbon ball is stably Can be combined to express adsorption characteristics, antimicrobial properties for a long time.
  • acrylate group containing silane coupling agent 3-methacryloxypropyl methyldimethoxysilane, 3-methacryloxypropyl trimethoxysilane, 3-methacryloxypropyl methyl diethoxysilane, 3-methacryloxypropyl tri Ethoxysilane, 3-acryloxypropyltrimethoxysilane, methacryloxymethyltriethoxysilane, methacryloxymethyltrimethoxysilane, and the like.
  • the acrylic acid monomer is acrylic acid, methacrylic acid, methyl acrylic acid, ethyl acrylic acid, butyl acrylic acid, 2-ethyl hexyl acrylic acid, decyl acrylic acid, methyl methacrylic acid, ethyl methacrylic acid, butyl methacrylic acid, 2-ethyl hexyl methacrylic acid And decyl methacrylic acid.
  • the weight ratio of the said acrylate group containing silane coupling agent and an acrylic acid monomer is 10-30: 70-90, and when the weight ratio is less than 10:90, the adhesive force with a fiber will fall, and when 30:70, adsorption characteristic will become Degrades.
  • the copolymer of the acrylate group-containing silane coupling agent and the acrylic acid monomer is preferably 1 to 10 parts by weight with respect to 100 parts by weight of polymer fibers, and when the content of the copolymer is less than 1 part by weight, the introduction of functional groups is insignificant and the adsorption characteristics are lowered. When the amount exceeds 10 parts by weight, the porosity of the manufactured filter is rather small, so that harmful gas and fine dust cannot be adsorbed effectively.
  • the metal of the functional group and the metal solution formed on the surface of the polymer fiber may form a metal complex.
  • the functional group of the polymer graft-polymerized on the surface of the polymer fiber and the carboxyl group of the copolymer may form a metal complex with a metal of the metal solution.
  • Functional groups such as carboxyl groups, hydroxyl groups, sulfonic acid groups, and phosphoric acid groups can form stable complexes with metals, and the metals are not easily detached even under high temperature conditions.
  • metal gold, silver, copper, cobalt, nickel, zinc, platinum and the like can be used without limitation.
  • Metal formed on the surface of the polymer fiber can be combined with harmful gases, fine dust, viruses and the like can improve the adsorption characteristics, antibacterial properties of the filter.
  • a metal precursor may be used to form the metal complex, silver nitrate, silver sulfate, silver acetylacetonate, silver acetate, silver carbonate, silver chloride, copper nitrate, copper sulfate, copper acetylacetonate, copper acetate, copper carbonate, copper Chloride and the like can be used.
  • the content of the metal is preferably 0.1 to 5 parts by weight based on 100 parts by weight of the polymer fiber, the effect of the addition is insignificant when the content of the metal is less than 0.1 parts by weight, and when the content of the metal exceeds 5 parts by weight, the metal complex is uniformly applied to the fiber surface. It cannot be distributed.
  • the manufacturing method may further include the step of coating the nano carbon ball after the step (c).
  • the nano carbon ball is a ball-shaped carbon structure having a particle size of 100 ⁇ 600nm and a large number of pores, very high specific surface area and porosity, and can deposit a catalyst inside the pores, volatile organic compounds, fine dust, odor It can adsorb or decompose components and harmful gases.
  • the nano carbon balls may be agglomerated with each other to increase particle size.
  • the nano carbon balls may be surface treated with a surfactant, a stabilizer, or the like.
  • Cationic surfactant such as alkyl trimethylammonium halide
  • Neutral surfactants such as oleic acid and alkyl amines
  • Anionic surfactants such as sodium alkyl sulfate and sodium alkyl phosphate may be used without limitation.
  • the nano carbon ball may be used by surface treatment with a silane coupling agent.
  • the silane coupling agent has an organic functional group capable of bonding with an organic compound and a hydrolyzable group capable of reacting with an inorganic compound, and can improve the adsorptivity and durability of the manufactured filter by improving the interfacial adhesion between the nano carbon ball and the polymer fiber. Can be.
  • silane coupling agent an alkyl group containing silane coupling agent, an amino group containing silane coupling agent, an epoxy group containing silane coupling agent, an acrylate group containing silane coupling agent, an isocyanate group containing silane coupling agent, a mercapto group containing silane coupling agent, a fluorine group containing silane Coupling agents, vinyl group-containing silane coupling agents and the like can be used without limitation.
  • the nano carbon ball is preferably surface treated with a mixture of an epoxy group-containing silane coupling agent and an amino group-containing silane coupling agent in view of durability and adsorptivity of the filter.
  • a mixed silane coupling agent consists of 60-90 weight% of epoxy group containing silane coupling agents, and 10-40 weight% of amino group containing silane coupling agents.
  • the content of the silane coupling agent to be surface treated is preferably 1 to 10 parts by weight with respect to 100 parts by weight of the nano carbon ball, and when the content is less than 1 part by weight, the effect of addition is insignificant, and when the content exceeds 10 parts by weight, the excessive silane coupling agent is used. Rather, the interface adhesion properties and durability are lowered.
  • the nano carbon ball may be surface-treated with a diazonium salt having one or more functional groups selected from carboxyl groups, hydroxyl groups, sulfonic acid groups and phosphoric acid groups.
  • the functional group introduced into the nano carbon ball may improve the interface adhesion with the surface-modified polymer fiber, thereby dramatically improving the adsorption force, durability, and the like of the manufactured filter.
  • the amount of diazonium salt to be surface treated is preferably 1 to 10 parts by weight with respect to 100 parts by weight of nano carbon balls, and the effect of addition is insignificant when the content is less than 1 part by weight, and the use of excessive diazonium salt when it exceeds 10 parts by weight. Rather, the interfacial adhesion properties and durability deteriorate.
  • the content of the nano carbon ball is preferably 1 to 10 parts by weight with respect to 100 parts by weight of the polymer fiber, the effect of the addition is insignificant when the content of the nano carbon ball is less than 1 part by weight, the breathability of the filter and more than 10 parts by weight The adsorption property is rather lowered.
  • the nano carbon ball may be coated in a powder form or coated in a solution or gel state on the metal complex polymer fiber.
  • the composition including the nano carbon ball may include a binder, and the binder serves as an adhesive to improve the bonding strength between the polymer fiber and the nano carbon ball, preventing desorption of the nano carbon ball particles and providing durability to the filter. Grant.
  • the binder polyvinyl alcohol, polyethylene, ethylene-vinyl acetate resin, starch, and the like are used, and the content of the binder is preferably 1 to 10 parts by weight based on 100 parts by weight of the nano carbon ball. If the content of the binder is less than 1 part by weight, the effect of the addition is insignificant, and if it exceeds 10 parts by weight, the adsorptivity, air flow rate and harmful gas removal performance are rather deteriorated.
  • the composition including the nano carbon ball may include a silane coupling agent, and the content of the silane coupling agent is preferably 1 to 10 parts by weight based on 100 parts by weight of the nano carbon ball.
  • the content of the silane coupling agent is less than 1 part by weight, the effect of the addition is insignificant, and when it exceeds 10 parts by weight, the adsorptivity, the air flow amount, and the harmful gas removal performance are rather deteriorated.
  • the said silane coupling agent is a mixture of an epoxy group containing silane coupling agent and an amino group containing silane coupling agent.
  • a mixed silane coupling agent consists of 60-90 weight% of epoxy group containing silane coupling agents, and 10-40 weight% of amino group containing silane coupling agents.
  • the present invention may further be coated with an airgel in addition to the nano carbon ball on the surface of the polymer fiber.
  • the airgel is a highly porous nanostructure used to adsorb and remove small contaminants, residual chlorine, volatile organic compounds, heavy metals, microorganisms, odor generating factors, and the like.
  • silica airgel silica airgel, alumina airgel, carbon airgel, zirconia airgel, ruthenic airgel, iron oxide airgel, magnesium oxide airgel, tungsten oxide airgel, zinc oxide airgel, porous silica, and the like may be used.
  • the airgel may be heat-treated to remove impurities, the heat treatment temperature is preferably 50 ⁇ 500 °C.
  • silica airgel is preferably used, and silica airgel may be used without limitation in powder, beads, water dispersion paste, and the like.
  • the particle size of the silica airgel is 10 to 500 ⁇ m, the pore size is 20 to 50 nm, and the porosity is preferably 50 to 99%.
  • the material having a size of 20 nm or more can be efficiently filtered.
  • silica airgel When silica airgel is used, powdered silica airgel and water dispersion paste type silica airgel can be used simultaneously to improve adsorption and durability.
  • the weight ratio of powder type silica airgel and water dispersion paste type silica airgel is used. It is preferable that it is 70-90: 10-30.
  • the airgel may be surface treated or coated on the surface of the polymer fiber in the same manner as in the case of the nano carbon ball.
  • the present invention relates to a polymer fiber for filters produced by the manufacturing method (Fig. 1).
  • the filter polymer fiber is graft polymerized with a diazonium salt having at least one functional group selected from carboxyl group, hydroxyl group, sulfonic acid group and phosphoric acid group on the surface thereof, and an acrylate group-containing silane coupling agent and acrylic acid on the surface of the filter polymer fiber.
  • the copolymer of the monomer is bonded, and the functional group formed on the surface of the filter polymer fiber and the metal of the metal solution form a metal complex.
  • nanofiber ball and the airgel may be coated on the surface of the polymer fiber for the filter.
  • Metal formed on the surface of the polymer fiber can be combined with harmful gases, fine dust, viruses and the like can improve the adsorption characteristics, antibacterial properties of the filter.
  • Nano carbon balls and aerogels formed on the surface of the polymer fibers may adsorb or decompose volatile organic compounds, fine dust, small particles of contaminants, odor components, heavy metals, microorganisms, harmful gases, and the like.
  • the present invention relates to a cabin filter comprising the polymer fiber for the filter.
  • the filter polymer fibers can be used in the manufacture of various filters, in particular cabin filters.
  • a metal complex-type nonwoven fabric is prepared by treating a nonwoven fabric with a diazonium salt to perform graft polymerization, followed by a surface treatment with a copolymer, followed by a metal solution to form a metal complex.
  • the meltblown nonwoven fabric is laminated on the metal complex nonwoven fabric.
  • the spunbond nonwoven fabric may be laminated on the meltblown nonwoven fabric and then bonded by hot melt or ultrasonic processing to manufacture a cabin filter.
  • 0.2 M HCl 1 L was added to a 2 L reaction vessel installed on an ice bath, and stirred at 300 rpm.
  • the mixture was stirred at 300 rpm for 2 hours to obtain a diazonium salt having a carboxyl group.
  • the polyethylene nonwoven fabric of 5 cm ⁇ 5 cm ⁇ 0.3 cm size was washed with methanol for 10 minutes and then dried at 70 ° C. for 3 hours using a vacuum oven.
  • a constant temperature water bath maintained at 70 ° C. was prepared on a hot plate, a 500 mL flask was immersed in the constant temperature water bath, and then 100 mL of the diazonium salt having a carboxyl group obtained above was added to the flask.
  • the nonwoven fabric was taken out, washed with distilled water, and dried at 70 ° C. for 3 hours using a vacuum oven.
  • a copolymer was prepared by copolymerizing 20% by weight of 3-methacryloxypropyltrimethoxysilane and 80% by weight of methacrylic acid.
  • the copolymer was treated with the dried nonwoven fabric to prepare a surface-treated nonwoven fabric and then dried. At this time, 5 parts by weight of the copolymer relative to 100 parts by weight of the nonwoven fabric was used.
  • a filter nonwoven fabric was prepared in the same manner as in Example 1 except that 0.5 parts by weight of the copolymer was used relative to 100 parts by weight of the nonwoven fabric.
  • a filter nonwoven fabric was prepared in the same manner as in Example 1, except that 15 parts by weight of the copolymer was used relative to 100 parts by weight of the nonwoven fabric.
  • a filter nonwoven fabric was prepared in the same manner as in Example 1 except that the nanocarbon ball coating was applied by spraying the nano carbon ball composition.
  • the nano carbon ball was used 5 parts by weight compared to 100 parts by weight of the nonwoven fabric.
  • a filter nonwoven fabric was prepared in the same manner as in Example 4 except that the nanocarbon balls surface-treated with a diazonium salt of 4-aminobenzoic acid were used.
  • a filter nonwoven fabric was prepared in the same manner as in Example 1 except that the diazonium salt was not treated.
  • a filter nonwoven fabric was prepared in the same manner as in Example 1 except that the copolymer was not treated.
  • Antimicrobial characteristics were collected on the surface of the air filter, the filter was placed in a liquid medium and shaken out, and then the liquid medium was incubated for 64 hours to measure the cell count on the liquid medium to confirm the growth of the microorganisms.
  • Adsorption characteristics were left in a closed tank by using ammonia coefficient measuring equipment, and NH 4 OH solution was added in this state, and the concentration of ammonia in the tank was measured using a gas detector tube.
  • the ammonia concentration in the tank was measured in the course of adsorption and decomposition of the ammonia solution on the sample left in the tank.
  • the present invention can provide a polymer fiber for the filter excellent in the removal of harmful gas, fine dust removal characteristics and antibacterial by forming a metal complex on the surface of the polymer fiber.
  • the present invention is a graft polymer having excellent thermal stability on the surface of the polymer fiber and a copolymer of an acrylate group-containing silane coupling agent and an acrylic acid monomer covalently bonded, so that the graft polymer and even under high temperature conditions such as coating process, filter manufacturing process Since the copolymer is thermally stable and does not decompose, it is possible to provide a polymer fiber for a filter that can stably bond metal complexes to express adsorption characteristics, antibacterial properties, and the like for a long time.
  • the present invention can provide a cabin filter that can be used stably for a long time by combining the metal complex on the surface of the polymer fiber, the surface area and porosity is increased and the harmful gas removal characteristics, fine dust removal characteristics and antibacterial properties.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)

Abstract

La présente invention concerne une fibre polymère de filtre et, plus précisément, une fibre polymère de filtre fabriquée par un procédé de fabrication comprenant les étapes consistant à : (a) modifier la surface d'une fibre polymère par traitement de la fibre polymère avec un sel de diazonium ; (b) fabriquer une fibre polymère traitée en surface par traitement de la fibre polymère modifiée avec un copolymère d'un monomère d'acide acrylique et d'un agent de couplage au silane contenant un groupe acrylate ; et (c) fabriquer une fibre polymère complexe métallique par traitement de la fibre polymère traitée en surface avec une solution métallique.
PCT/KR2018/016205 2018-02-14 2018-12-19 Fibre polymère multifonctionnelle WO2019160231A1 (fr)

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KR1020180018841A KR102031126B1 (ko) 2018-02-14 2018-02-14 다기능성 고분자 섬유

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110592778A (zh) * 2019-10-09 2019-12-20 刘国成 一种基于石墨烯的复合纤维凉席及其制备方法

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