Classifications

• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K3/00—Use of inorganic substances as compounding ingredients
  • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
  • C08K3/20—Oxides; Hydroxides
  • C08K3/22—Oxides; Hydroxides of metals
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
  • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
  • C08J7/04—Coating
  • C08J7/06—Coating with compositions not containing macromolecular substances
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B82—NANOTECHNOLOGY
  • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
  • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K3/00—Use of inorganic substances as compounding ingredients
  • C08K3/02—Elements
  • C08K3/08—Metals
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K9/00—Use of pretreated ingredients
  • C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
• • 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
  • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
  • D06M13/005—Compositions containing perfumes; Compositions containing deodorants
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K3/00—Use of inorganic substances as compounding ingredients
  • C08K3/02—Elements
  • C08K3/08—Metals
  • C08K2003/0806—Silver
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K3/00—Use of inorganic substances as compounding ingredients
  • C08K3/02—Elements
  • C08K3/08—Metals
  • C08K2003/085—Copper
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K3/00—Use of inorganic substances as compounding ingredients
  • C08K3/02—Elements
  • C08K3/08—Metals
  • C08K2003/0893—Zinc
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
  • C08K2201/00—Specific properties of additives
  • C08K2201/013—Additives applied to the surface of polymers or polymer particles
• • 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
  • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
  • D06M2101/16—Synthetic fibres, other than mineral fibres

Definitions

• the present invention relates to a functional polymer material and a method of manufacturing the same, and more particularly, to a functional polymer material and a method of manufacturing the same which is applicable to an ultraviolet-blocking, electromagnetic shielding, deodorizing, and antibiotic product.
• a polypropylene multi filament yarn and method of manufacturing the same is disclosed.
• a composition is made by adding a mixed powder such as a titanium dioxide powder, tourmaline powder, sericite powder, silver powder, silica, calcium oxide, zinc oxide, zirconium, and the like, to a polypropylene resin.
• a master batch is made by mixing the composition and the polypropylene resin at a weight ratio of 3 : 2.
• the master batch is mixed with the polypropylene resin at a weight ratio of 5 : 5 again.
• the polypropylene multi filament yarn has antibacterial, purification, anticorrosion, UV-protection, far-infrared- protection, and electromagnetic shielding functions.
• Korean Patent Publication No. 10-2005-0106396 a fiber reforming method is disclosed. In the publication, a crosslink agent or waterborne resin emulsion is added to an alkaline aqueous solution.
• the alkaline aqueous solution is obtained by dissolving cellulous ether which has a low degree of mole substitution of between 0.05 and 1.3 by an alkyl group and hydroxy alkyl group.
• the solution is adhered to a fiber, and the attached solution is neutralized by acid, solidified, and thermal-processed.
• a fiber may be reformed without a toxic solvent such as carbon disulfide, and thus safety is improved.
• a melting process is simplified, lint is prevented, and tensile strength, abrasion resistance, and absorbency are improved.
• boric acid, citric acid, and D, L-malic acid is added to the water solution at a rate of 0.5 % owf, processed at 50 0 C for about 30 minutes, and washed by water.
• the boric acid, citric acid, and D, L-malic acid are mixed at a weight rate of 0.5 : 1 : 1. Accordingly, a natural fiber which is plated with titanium dioxide and has a specific function is manufactured.
• the mixed powder such as titanium dioxide powder, tourmaline powder, silver powder, silica, zirconium, and the like, is required to be mixed with the polypropylene resin in order to manufacture a fiber which has antibacterial, purification, anticorrosion, ultraviolet blocking, and electromagnetic shielding functions.
• a function may not be maintained, since the crosslink agent or waterborne resin emulsion is added to an alkaline aqueous solution which is obtained by dissolving cellulous ether having a low degree of substitution of between 0.05 and 1.3 due to the alkyl group and hydroxy alkyl group.
• the present invention provides a functional polymer material and a method of manufacturing the same which may stably manufacture the functional polymer material.
• the present invention also provides a functional polymer material and a method of manufacturing the same which may be applied to an ultraviolet-blocking, electromagnetic shielding, deodorizing, and antibiotic product.
• a method of manufacturing a functional polymer material including: preparing a polymer resin composition containing a semiconductor metal oxide by mixing and kneading the semiconductor metal oxide and a polymer resin; forming a polymer material of a predetermined shape by shaping the polymer resin composition; and carrying a metal nanoparticle on a metal oxide particle, dispersed on a surface of the polymer material, by photo-depositing the metal nanoparticle on the polymer material.
• the semiconductor metal oxide and the polymer resin may be mixed in a range of about 0.1 to about 40 parts by weight with respect to 100 parts by weight of the polymer resin.
• the shaping may be performed using an injection machine, melting spinning machine, or electro spinning machine.
• the photo-depositing is performed by immersing the polymer material in a metal precursor solution and then irradiating the immersed polymer material with ultraviolet rays.
• the metal precursor solution has a salt-typed metal precursor.
• the metal precursor solution may include a metal salt solution including at least one selected from the group consisting of silver (Ag), platinum (Pt), gold (Au), copper (Cu), and zinc (Zn).
• a functional polymer material including: a polymer material including a semiconductor metal oxide, wherein at least one metal nanoparticle selected from the group consisting of silver (Ag), platinum (Pt), gold (Au), copper (Cu), and zinc (Zn) is carried on a surface of the polymer material.
• the metal nanoparticle may have a size of about 2 run to about 30 nm.
• the functional polymer material may include a fiber.
• An amount of the semiconductor metal oxide may be in a range of about 0.1 to about 40 parts by weight with respect to 100 parts by weight of the polymer resin.
• FIG. 1 is a transmission electron microscopy (TEM) picture illustrating platinum (Pt) nanoparticles are photo-deposited on a fiber including titanium dioxide (TiO 2 ) according to an embodiment of the present invention
• FIG. 2 is a TEM picture illustrating silver (Ag) nanoparticles are photo- deposited on a fiber including TiO 2 according to another embodiment of the present invention
• FIG. 3 is a scanning electron microscope (SEM) picture illustrating TiO 2 /polyacrylonitrile nano composite fibers according to still another embodiment of the present invention.
• FIG. 4 is a TEM picture illustrating a nano composite fiber which carries platinum nanoparticles and includes TiO 2 particles according to yet another embodiment of the present invention
• FIG. 5 is a SEM picture illustrating TiO 2 /polyacrylonitrile nano composite fibers according to still another embodiment of the present invention.
• FIG. 6 is a TEM picture illustrating a nano composite fiber which carries silver nanoparticles and includes TiO 2 particles according to an embodiment of the present invention.
• a polymer resin composition containing a semiconductor metal oxide is required to be prepared by mixing and kneading the semiconductor metal oxide and a polymer resin.
• polyester polyamid, polyacrylonitrile, polyvinyl alcohol, polyactic acid, polyethylene oxide, polyethylene vinyl alcohol copolymer, cellulose acetate, polymethacrylate, a polyester-based copolymer, polyvinyl acetate, 1,4- butadiene rubber, polyvinyl chloride, and the like may be used.
• the polymer resin may be used alone or in a mixture thereof.
• the semiconductor metal oxide particles in the polymer resin In order to melt and knead the semiconductor metal oxide particles in the polymer resin, about 0.1 to about 40 parts by weight of the semiconductor metal oxide particles is mixed with 100 parts by weight of the polymer resin using a melting mixer. The mixing is performed until a mixture of the polymer resin and the semiconductor metal oxide changes into an integrally molten body at a melting temperature of the polymer resin.
• the polymer resin composition is manufactured by adding about 0.1 to about 40 parts by weight of the semiconductor metal oxide particles to about 5 ⁇ 20 parts by weight of a polymer gel and dispersing a mixture of the polymer resin and the semiconductor metal oxide particles.
• a sigma mixer, brabender, single screw extruder, twin screw extruder, compounder, and the like may be used as a mixer.
• the compounder and the twin screw extruder may be used to perform a mechanical mixing more efficiently.
• a homogenizer, ultrasonic distributor, magnetic stirrer, and the like may be used to disperse the semiconductor metal oxide particles to the polymer gel.
• the polymer resin composition is provided to a melting spinning machine, and spun at a predeterminedspinning speed at a temperature similar to a melting point of the polymer resin. Also, the polymer resin composition is elongated at a temperature similar to a glass transition temperature of the polymer resin, and thus the polymer resin composition is manufactured as the fiber.
• the polymer resin composition is spun under a suitable electric field using a general electro spinning extruder.
• the polymer resin composition is processed to be a melted in a temperature higher than the melting point of the polymer resin, and the plastic injection molding product is manufactured using an injection machine.
• a material including the semiconductor metal oxide such as the fiber, plastic, rubber, and the like is immersed into a metal ion solution such as silver (Ag), platinum (Pt), gold (Au), copper (Cu), and zinc (Zn). Also, the material in the metal ion solution is photo-deposited using ultraviolet rays. Accordingly, a functional nano composite material where nanoparticles such as silver (Ag), platinum (Pt), gold (Au), copper (Cu), and zinc (Zn) are carried on a surface of the semiconductor metal oxide particles may be manufactured. The silver (Ag), platinum (Pt), gold (Au), copper (Cu), and zinc (Zn) is carried on metal oxide particles dispersed on a surface of the nano composite material.
• a metal ion solution such as silver (Ag), platinum (Pt), gold (Au), copper (Cu), and zinc (Zn).
• the material in the metal ion solution is photo-deposited using ultraviolet rays. Accordingly, a functional nano composite material where nanoparticles such as silver
• the metal preferably has a size of about 1 run to about 30 nm.
• the size of the metal oxide particles may be controlled by controlling an ultraviolet radiation time when performing the photo-deposition.
• a titanium dioxide (TiO 2 ) of about 5 parts by weight with respect to a polyethylene terephthalate (PET) resin was injected to a twin screw compounder (Wrarner & Pfleiderer, Type ZSK 25) at a discharge speed of 15 kg/h, mixed at a screw speed of 250 rpm at a temperature between about 260 0 C and about 290 0 C, and thus a resin composition in a form of chip was made.
• the resin composition was injected to a melting spinning machine (Korea Spin-draw M/C).
• the melting spinning machine includes a spinneret in which a diameter of a spinning hole is about 0.5 mm, and a number of spinning holes is 60.
• the resin composition was spun at a winding speed of 1500 m/min and the discharging speed of g/min at a spinning temperature of about 290 0 C. Also, the resin composition was elongated in an elongation ratio of 3.8 at an elongation temperature of 95 0 C. Accordingly, a 2.1 denier fiber was manufactured. While the fiber was immersed in a chloroplatinic acid (H 2 PtCl 6 H 2 O) solution of 1.5 x 10 "4 mol, the platinum (Pt) was photo-deposited by irradiating the fiber with ultraviolet rays for 60 seconds. A composite fiber in which the platinum (Pt) was carried on a surface of the TiO 2 particles was washed by distilled water and dried at room temperature.
• H 2 PtCl 6 H 2 O chloroplatinic acid
• FIG. 1 is a transmission electron microscopy (TEM) picture illustrating a TiO 2 /polyesther fiber in which the platinum (Pt) particles are carried according to an embodiment of the present invention.
• TEM transmission electron microscopy
• TiO 2 particles of about 10 parts by weight with respect to a PET resin was injected to a twin screw compounder (Wrarner & Pfleiderer, Type ZSK 25) at a discharge speed of 15 kg/h, mixed in a screw speed of 250 rpm at a temperature between about 260 0 C and about 290 0 C, and thus a resin composition in a form of chip was made.
• the resin composition was injected to a melting spinning machine (Korea Spin-draw M/C).
• the melting spinning machine includes a spinneret in which a diameter of a spinning hole is about 0.5 mm, and a number of spinning holes is 60.
• the resin composition was spun at a winding speed of 1500 m/min with a capacity of 19 g/min at a spinning temperature of about 290 0 C. Also, the resin composition was elongated at an elongation ratio of 3.8 at an elongation temperature of 95 0 C. Accordingly, a 2.1 denier fiber was manufactured. While the fiber was immersed in a chloroplatinic acid (H 2 PtCl 6 H 2 O) solution of 1.5 x 10 "4 mol, the platinum (Pt) was photo-deposited by irradiating the fiber with ultraviolet rays for 60 seconds. A composite fiber in which the platinum (Pt) was carried on the TiO 2 particles was washed by distilled water and dried at room temperature.
• H 2 PtCl 6 H 2 O chloroplatinic acid
• Example 3 A zinc oxide (ZnO) of about 10 parts by weight with respect to a PET resin was injected to a twin screw compounder (Wrarner & Pfleiderer, Type ZSK 25) at a discharge speed of of 15 kg/h, mixed at a screw speed of 250 rpm at a temperature between about 260 0 C and about 290 0 C, and thus a resin composition in a form of chip was made.
• the resin composition was injected to a melting spinning machine (Korea Spin-draw M/C).
• the melting spinning machine includes a spinneret in which a diameter of a spinning hole is about 0.5 mm, and a number of spinning holes is 60.
• the resin composition was spun at a winding speed of 1500 m/min with a capacity of 19 g/min at a spinning temperature of about 290 0 C. Also, the resin composition was elongated at an elongation rate of 3.8 at an elongation temperature of 95 0 C. Accordingly, a 2.1 denier fiber was manufactured. While the fiber was immersed in a chloroplatinic acid (H 2 PtCl 6 H 2 O) solution of 1.5 x 10 "4 mol, the platinum (Pt) was photo-deposited by irradiating the fiber with ultraviolet rays for 60 seconds. A composite fiber in which the platinum (Pt) was carried on the ZnO particles was washed by distilled water and dried at room temperature. A size of the platinum (Pt) particles carried on the ZnO particles was measured as about 1 nm to about 2 run.
• H 2 PtCl 6 H 2 O chloroplatinic acid
• TiO 2 particles of about 10 parts by weight with respect to a PET resin was injected to a twin screw compounder (Wrarner & Pfieiderer, Type ZSK 25) at a discharge speed of 15 kg/h, mixed at a screw speed of 250 rpm at a temperature between about 260 0 C and about 290 0 C, and thus a resin composition in a form of chip was made.
• the resin composition was injected to a melting spinning machine (Korea Spin-draw M/C).
• the melting spinning machine includes a spinneret in which a diameter of a spinning hole is about 0.5 mm, and a number of spinning holes is 60.
• the resin composition was spun at a winding speed of 1500 m/min with a capacity of 19 g/min at a spinning temperature of about 290 0 C. Also, the resin composition was elongated at an elongation ratio of 3.8 at an elongation temperature of 95 0 C. Accordingly, a 2.1 denier fiber was manufactured. While the fiber was immersed in a silver nitrate (AgNO 3 ) solution of 1.5 x 10 "4 mol, the silver (Ag) was photo-deposited by irradiating the fiber with ultraviolet rays for 60 seconds. A composite fiber in which the silver (Ag) was carried on the TiO 2 particles was washed by distilled water and dried at room temperature.
• a silver nitrate (AgNO 3 ) solution 1.5 x 10 "4 mol
• FIG. 2 is a TEM picture illustrating a TiO 2 /polyesther fiber in which the silver (Ag) particles are carried according to another embodiment of the present invention.
• FIG. 3 is a scanning electron microscope (SEM) picture illustrating the TiO 2 /polyacrylonitrile composite fiber.
• FIG. 4 is a TEM picture illustrating the TiO 2 /polyacrylonitrile composite fiber. A size of the platinum (Pt) particles carried on the TiO 2 particles was measured as about 1 nm to about 2 nm.
• Example 6 10 parts by weight of polyacrylonitrile was dissolved in an N, N-DMF solvent, and then TiO 2 of about 10 parts by weight with respect to the polyacrylonitrile was slowly injected and stirred at a temperature of 60 0 C for six hours. Accordingly, a dispersed mixture of TiO 2 and polyacrylonitrile was manufactured. A Ti ⁇ 2 /polyacrylonitrile composite fiber having a diameter of 280 nm was manufactured by electro-spinning the dispersed mixture at a voltage of 20 kV. FIG. 5 is a SEM picture illustrating the TiO 2 /polyacrylonitrile composite fiber.
• platinum (Pt) was photo-deposited by irradiating the composite fiber with ultraviolet rays for 180 seconds.
• the composite fiber in which the platinum (Pt) was carried on the TiO 2 particles was washed by distilled water and dried at room temperature.
• Example 7 10 parts by weight of polyacrylonitrile was dissolved in an N, N-DMF solvent, and then TiO 2 of about 10 parts by weight with respect to the polyacrylonitrile was slowly injected and stirred at a temperature of 60 0 C for six hours. Accordingly, a dispersed mixture of TiO 2 and polyacrylonitrile was manufactured. A TiO 2 /polyacrylonitrile composite fiber having a diameter of 280 run was manufactured by electro-spinning the dispersed mixture at a voltage of 20 kV.
• FIG. 6 is a TEM picture illustrating the TiO 2 /polyacrylonitrile composite fiber. A size of the silver (Ag) particles carried on the TiO 2 particles was measured as about 1 run to about 3 ran.
• ZnO zinc oxide
• polyacrylonitrile 10 parts by weight was dissolved in an N, N-DMF solvent, and then zinc oxide (ZnO) nano particles of about 10 parts by weight with respect to the polyacrylonitrile was slowly injected and stirred at a temperature of 60 0 C for six hours. Accordingly, a dispersed mixture of ZnO and polyacrylonitrile was manufactured.
• a ZnO/polyacrylonitrile composite fiber having a diameter of 300 run was manufactured by electro-spinning the dispersed mixture at a voltage of 20 kV.
• platinum (Pt) was photo-deposited by irradiating the composite fiber with ultraviolet rays for 120 seconds.
• the composite fiber in which the platinum (Pt) was carried on the ZnO particles was washed by distilled water and dried at room temperature.
• tin oxide (SnO 2 ) nano particles 10 parts by weight with respect to the polyacrylonitrile was slowly injected and stirred at a temperature of 60 0 C for six hours.
• SnO 2 /polyacrylonitrile composite fiber having a diameter of 360 run was manufactured by electro-spinning the dispersed mixture at a voltage of 20 kV. Also, after immersing the composite fiber in a chloroplatinic acid (H 2 PtCl 6 H 2 O) solution of 1.5 x 10 "4 mol, platinum (Pt) was photo-deposited by irradiating the composite fiber with ultraviolet rays for 60 seconds. The composite fiber in which the platinum (Pt) was carried on the SnO 2 particles was washed by distilled water and dried at room temperature.
• H 2 PtCl 6 H 2 O chloroplatinic acid
• TiO 2 particles of about 10 parts by weight with respect to PET resin was injected to a twin screw compounder (Wrarner & Pfleiderer, Type ZSK 25) at a discharge speed of 15 kg/h, mixed at a screw speed of 200 rpm at a temperature between about 220 0 C and about 230 0 C, and thus a resin composition in a form of chip was made.
• a twin screw compounder Worarner & Pfleiderer, Type ZSK 25
• a plastic injection product in which the silver (Ag) was carried on the TiO 2 particles was washed by distilled water and dried at room temperature.
• a functional polymer material according to the present invention selectively includes the silver (Ag), platinum (Pt), gold (Au), copper (Cu), and zinc (Zn).
• the functional polymer material is applicable to a functional plastic, functional clothing, industrial fiber, and medical goods requiring an antibiotic, electromagnetic shielding, and deodorizing function.
• the functional polymer material may be used for air purifying.
• the functional polymer material may be used for medical goods such as a wound- covering material, which prevents a wound area from secondary infection, skin wipes, plastic sheets, plastic material for vehicles, plastic containers for packing, and the like.

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Medicinal Chemistry (AREA)
• Polymers & Plastics (AREA)
• Organic Chemistry (AREA)
• Health & Medical Sciences (AREA)
• Engineering & Computer Science (AREA)
• Nanotechnology (AREA)
• Textile Engineering (AREA)
• Physics & Mathematics (AREA)
• Condensed Matter Physics & Semiconductors (AREA)
• General Physics & Mathematics (AREA)
• Materials Engineering (AREA)
• Crystallography & Structural Chemistry (AREA)
• Composite Materials (AREA)
• Artificial Filaments (AREA)
• Multicomponent Fibers (AREA)
• Chemical Or Physical Treatment Of Fibers (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=38359031

Family Applications (1)

Country Status (2)

Cited By (9)

Families Citing this family (5)

Citations (3)

Family Cites Families (3)

• 2006
  • 2006-07-14 KR KR1020060066558A patent/KR100727086B1/ko active IP Right Grant
• 2007
  • 2007-07-12 WO PCT/KR2007/003382 patent/WO2008007908A1/en active Application Filing

Patent Citations (3)

Also Published As

Similar Documents

Legal Events