WO2017006849A1 - 防汚性繊維構造物 - Google Patents
防汚性繊維構造物 Download PDFInfo
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- WO2017006849A1 WO2017006849A1 PCT/JP2016/069600 JP2016069600W WO2017006849A1 WO 2017006849 A1 WO2017006849 A1 WO 2017006849A1 JP 2016069600 W JP2016069600 W JP 2016069600W WO 2017006849 A1 WO2017006849 A1 WO 2017006849A1
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- WIPO (PCT)
- Prior art keywords
- fiber structure
- resin
- antifouling
- washing
- fluorine
- Prior art date
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- D06M11/32—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
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- D06M11/49—Oxides or hydroxides of elements of Groups 8, 9,10 or 18 of the Periodic Table; Ferrates; Cobaltates; Nickelates; Ruthenates; Osmates; Rhodates; Iridates; Palladates; Platinates
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- 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
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- 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
- D06M15/53—Polyethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/0076—Dyeing with mineral dye
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
- G01N23/225—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/01—Stain or soil resistance
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
Definitions
- the present invention relates to a fiber structure having high antifouling properties.
- Patent Document 1 proposes a processing method in which a fiber surface is coated with a hydrophilic resin, and a water- and oil-repellent resin layer having a hydrophilic group is formed on the hydrophilic resin.
- Patent Document 2 proposes a processing method in which a film containing a fluorine-based water repellent having a hydrophilic segment to which a hydrophilic polymer is imparted by graft polymerization is formed on the surface of a fiber fabric.
- Patent Document 3 proposes a processing method for forming a film in which a polymer composed of a triazine ring-containing polymerizable monomer and a fluorine-based water repellent having a hydrophilic component are mixed on the surface of a single fiber.
- Patent Document 4 proposes a processing method of applying a fluorine-based water repellent to a fiber fabric using a non-block type water-dispersed isocyanate cross-linking agent. JP-A-9-3771 JP 2013-72165 A JP 2008-163475 A JP 2013-36136 A
- Patent Document 4 has a problem that since it exhibits high water repellency, it has a tendency to reduce the affinity for the washing liquid during washing and to reduce dirt removal by washing.
- an object of the present invention is to provide a fiber structure having high adhesion inhibitory properties against water-based soils and oily soils and soil-removing properties by washing at the same time.
- the present invention has the following configuration. That is, A fiber structure in which a resin having antifouling property is fixed to at least a part of a fiber surface, and an area stained with osmium oxide observed by a transmission electron microscope (hereinafter, TEM) is at least one inside the resin. At least one of the regions is circular, the maximum diameter of the region is 100 nm or more and 500 nm or less, and oxygen atoms when the fiber surface is measured with an energy dispersive X-ray analyzer.
- An antifouling fiber structure having a fluorine atom mass concentration ratio (O / F) of 3 or more.
- the antifouling fiber structure of the present invention it is preferable that two or more of the regions exist inside the resin, and the individual dyed regions are separated and scattered.
- a hydrophilic component and a hydrophobic component exist in the region.
- the hydrophilic component is preferably polyethylene glycol.
- the content of perfluorooctanoic acid (hereinafter sometimes referred to as PFOA) of the resin is less than the detection limit.
- the resin contains a compound represented by the following general formula (I) as a polymerization component.
- the dirt removing property of the dirt removing property test against the indentation stain of the fiber structure is grade 3 or more after 50 industrial washings.
- the antifouling fiber structure of the present invention controls the ratio of the hydrophilic group and the fluorine group of the antifouling resin on the fiber surface, and the hydrophilic region is present in at least one part inside the antifouling resin. At least one of the regions has a resin structure having a circular shape with a maximum diameter of 100 nm or more and 500 nm or less, thereby suppressing the adhesion of oil stains that are difficult to remove to the fibers and compatibility with the washing liquid during washing. Therefore, it is possible to improve the soil removal property by washing, and the high soil removal property can reduce the washing time and the amount of detergent.
- Example 2 is a TEM photograph of a fiber cross section obtained by cutting a single fiber used in the fiber structure obtained in Example 1 perpendicularly to the fiber longitudinal direction.
- the TEM observation conditions were an acceleration voltage of 100 kV and a magnification of 8000 times.
- the antifouling fiber structure of the present invention is a fiber structure in which a resin having antifouling properties is fixed to at least a part of the fiber surface, and a region dyed with osmium oxide observed by a TEM is a region of the resin. It exists in at least one part inside, and at least one of the regions is circular, and the maximum diameter of the region is 100 nm or more and 500 nm or less.
- Osmium oxide stains the portion of the resin that contains hydrophilic components.
- the region dyed with osmium oxide in the fiber structure of the present invention is formed by the hydrophilic component of the resin and exists in at least a part of the inside of the resin.
- the hydrophilic component include polyethylene glycol and polypropylene glycol, and among them, polyethylene glycol is preferable.
- an antifouling resin is fixed to the antifouling fiber structure of the present invention, and the term “adhesion” refers to a state where the resin is in contact with the fiber and attached or coated.
- the dyeing area needs to be circular, and the circular represents a shape with no corners such as an ellipse, an egg, or a bowl. If it is not circular, the effect of the hydrophilic component cannot be sufficiently exhibited, and there is a problem that the stain-removing property at the time of washing deteriorates.
- two or more dyeing regions exist in the resin from the viewpoint of ensuring a certain amount or more of the hydrophilic component and excellent antifouling property, and that a plurality of dyeing regions are dispersed is hydrophilic. From the viewpoint of maintaining the balance between the property and hydrophobicity, and improving the antifouling property after processing and washing durability.
- a hydrophilic component and a hydrophobic component are present in the resin, and dyeing is performed on osmium oxide formed by the hydrophilic component.
- the hydrophilic component can improve the affinity between the fiber and the cleaning liquid, and the hydrophobic (oil repellent) component can suppress the penetration of dirt into the fiber.
- the maximum diameter of the region stained with osmium oxide in the resin observed by TEM is 100 nm or more and 500 nm or less.
- the maximum diameter of the region dyed with osmium oxide exceeds 500 nm, the water repellency and oil repellency are lowered, and the dirt adhesion preventing property (SG property) that repels dirt is lowered.
- the hydrophilic component region is excessively widened, the adhesion between the resin and the fiber is lowered, and the washing durability is also lowered.
- the method for setting the maximum diameter in the above range is not particularly limited, but the antifouling fiber structure of the present invention can be obtained by adjusting the content of the hydrophilic component.
- the antifouling fiber structure is immersed in 3% osmium oxide, dyed at room temperature (20 ° C.) for 3 days, washed with water and air-dried, and the sample is embedded with an epoxy resin.
- the fibers are cut into a thickness of about 70 to 100 nm in a direction perpendicular to the longitudinal direction of the fibers.
- the fiber is similarly cut into pieces after the sample is cooled.
- the cut sample piece is observed using a TEM (transmission electron microscope).
- the TEM observation conditions are an acceleration voltage of 100 kV and a magnification of 20000 times.
- the resin preferably contains a hydrophobic component together with the hydrophilic component.
- the hydrophobic component include fluorine resins, silicone resins, hydrocarbon resins and the like. Among these, fluorine resins are preferably used because of their high water repellency and oil repellency.
- the perfluorooctanoic acid (PFOA) content is preferably less than the detection limit, and a fluorine-containing water repellent having 6 carbon atoms (hereinafter referred to as C6 fluorine-based water repellent) is preferably used.
- the C6 fluorine-based water repellent is preferably CH 2 ⁇ C (CH 3 ) C ( ⁇ O) OCH 2 CH 2 (CF 2 ) 5 CF 3 .
- a resin containing a hydrophilic component and a hydrophobic component by copolymerization is preferably used.
- a fluorine-based water repellent in which a hydrophilic component is copolymerized is preferably used, and a resin having a low water repellency of a water repellent degree of 2 or less due to containing a hydrophilic group is preferably used.
- the water repellency is 2nd grade or less, the affinity between the fiber and the cleaning liquid can be kept to a minimum, and the cleaning liquid can enter the fiber structure without being repelled during washing, contact with dirt, and high antifouling. Sex can be expressed.
- the water repellency is a value evaluated by a spray method defined in JIS L 1092 “Test method for waterproofness of textile products” (2009). Moreover, water repellency can be made into 2nd grade or less by adjusting content of a hydrophilic group.
- fluorinated water repellents containing hydrophilic components that are preferably used include “Paradin” (registered trademark) KFS-100 (manufactured by Keihin Kasei Co., Ltd.) and “Pararesin” (registered). (Trademark) NC-305 (manufactured by Ohara Palladium Co., Ltd.) and “Paragin” (registered trademark) KFS-150 (manufactured by Keihin Kasei Co., Ltd.).
- the antifouling fiber structure of the present invention has a mass concentration ratio (O / F) of oxygen atom to fluorine atom of 3 or more when the fiber surface is measured with an energy dispersive X-ray analyzer.
- O / F mass concentration ratio
- the hydrophobic component increases, so that the water repellency of the fibers is improved and the affinity with the cleaning liquid is lowered. This makes it difficult for the cleaning liquid to come into contact with dirt, and the dirt removal property by washing is reduced.
- the mass concentration ratio of oxygen atoms to fluorine atoms is preferably 3.1 to 5.0, more preferably 3.2 to 4.9, and particularly preferably 3.3 to 4.0.
- the mass concentration is measured using an energy dispersive X-ray analyzer.
- the fiber structure of the present invention was measured in a low vacuum mode (30 Pa), an acceleration potential of 15.0 kV, a probe current of 70 A, and a measurement magnification of 100 times, and the obtained mass concentrations of fluorine and oxygen atoms were used.
- the ratio of the mass concentration of oxygen atoms and fluorine atoms is calculated.
- the mass concentration ratio (O / F) of oxygen atoms and fluorine atoms the following equation was used.
- O / F mass concentration of oxygen atoms (mass%) / mass concentration of fluorine atoms (mass%).
- the antifouling fiber structure of the present invention exhibits excellent antifouling properties when the oil repellency measured by the method defined in AATCC TM-1966 and graded is 4 or more. Is preferable.
- the upper limit of the oil repellency is preferably 7th grade, more preferably 6th grade.
- the antifouling fiber structure of the present invention is “soil removal against indentation dirt” according to the C method using the lipophilic pollutant-3 component specified in JIS L 1919 (2006) “Soil removal test”. It is preferable that the soil removability when it is carried out in the “ability test” is grade 3 or higher after 50 industrial washings.
- fiber material used in the antifouling fiber structure of the present invention examples include fibers made of polyethylene terephthalate, polypropylene phthalate, polybutylene terephthalate, etc., aromatic polyester fibers made by copolymerizing a third component thereof, L -Aliphatic polyester fibers represented by lactic acid as the main component, polyamide fibers such as nylon 6 and nylon 66, acrylic fibers based on polyacrylonitrile, polyolefin fibers such as polyethylene and polypropylene, poly Examples thereof include synthetic fibers such as vinyl chloride fibers, semi-synthetic fibers such as acetate and rayon, and natural fibers such as cotton, silk and wool.
- these fibers can be used singly or as a mixture of two or more.
- a fiber based on a polyester fiber or a polyamide fiber or a fiber based on a polyester fiber or a polyamide fiber.
- Mixtures of natural fibers such as cotton, silk and wool are preferably used.
- the fibers used in the antifouling fiber structure of the present invention are filament yarns such as false twisted yarns, strong twisted yarns, taslan processed yarns, nanofibers, thick yarns and mixed yarns in addition to ordinary flat yarns.
- various forms of fibers such as staple fiber, tow and spun yarn can be used.
- filament yarn is used.
- the antifouling fiber structure of the present invention includes fabrics such as knitted fabrics, woven fabrics and nonwoven fabrics using the above-mentioned fibers, and string-like products.
- fabrics such as knitted fabrics, woven fabrics and nonwoven fabrics using the above-mentioned fibers, and string-like products.
- a knitted fabric, a woven fabric and a non-woven fabric are used.
- a general processing agent may be applied to the fabric or string. Moreover, you may use the internally modified fiber as a raw material of an antifouling fiber structure.
- the processing agent include 2-chloro-6-trichloromethylpyridine, 2-chloro-4-trichloromethyl-6-methoxypyridine, 2-chloro-4-trichloromethyl-6- (2-furylmethoxy) pyridine, di ( Pyridine series such as 4-chlorophenyl) pyridylmethanol, 2,3,5-trichloro-4- (n-propylsulfonyl) pyridine, 2-pyridylthiol-1-oxide zinc, di (2-pyridylthiol-1-oxide) Compounds can be used.
- a fiber in which a resin other than an antifouling resin is attached as a material may be used.
- a resin layer other than the antifouling resin is formed on the fiber, and the antifouling resin layer and the two resin layers formed thereafter are present on the fiber.
- the resin other than the antifouling resin include silicone resins, polyester resins, isocyanate compounds, epoxy resins, melamine resins, guanamine resins, and bismaleimide triazine resins.
- cross-linked modified fibers may be used, and the crosslinking agent used for the cross-linking modification may be a cause of hydroxyl groups in cellulose molecules constituting cellulosic fibers, especially wrinkles during washing, loss of shape, and shrinkage.
- a compound capable of reacting with a hydroxyl group in the amorphous region to form a crosslinked structure between cellulose molecules and within the molecule is preferably used.
- fixing of the resin to the fiber structure can be achieved by treating the fiber structure with a liquid containing an antifouling resin.
- a specific treatment method after immersing the fiber structure in a treatment solution containing an antifouling resin, the fiber structure is squeezed at a constant pressure in a spread state, preferably dried at a temperature of 80 to 140 ° C., and then preferably Pad dry cure method in which heat treatment is performed at a temperature of 160 to 200 ° C., pad cure method in which drying is performed at a temperature of 160 to 200 ° C., pad steam method in which steam heat treatment is performed at a temperature of 80 to 110 ° C., or the above An in-bath method for raising the temperature to 30 to 130 ° C. in a state where the fiber structure is immersed in a treatment liquid containing a fluorine compound is used.
- the ratio of the hydrophilic component containing oxygen and the hydrophobic component containing fluorine is optimized in the resin fixed to the fiber surface. By doing so, it is effective to achieve both the resistance to dirt and the ease of removal.
- the hydrophilic component can improve the affinity between the fiber and the cleaning liquid, and the hydrophobic component can suppress the penetration of dirt into the fiber.
- a hydrophilic component and a hydrophobic component are contained.
- a resin obtained by copolymerizing polyethylene glycol and a fluorine compound is preferably used.
- a silicone resin, a polyester resin, an isocyanate compound, an epoxy resin, and the like can be used in combination in the liquid.
- a triazine ring-containing resin as the resin to be used in combination.
- the triazine ring-containing resin include melamine resin, guanamine resin, and bismaleimide triazine resin, and melamine resin is particularly preferably used.
- the triazine ring-containing resin means a resin having a triazine ring-containing compound as a polymerization component, and the triazine ring-containing compound is a compound containing a triazine ring and having at least two polymerizable functional groups.
- Examples include triazine ring-containing compounds represented by the general formula.
- the formation method of the triazine ring-containing resin is as follows. After providing the above-mentioned triazine ring-containing compound and an aqueous liquid composed of a catalyst on the fiber, heat treatment is carried out for polymerization.
- the catalyst used examples include acids such as acetic acid, formic acid, acrylic acid, malic acid, tartaric acid, maleic acid, phthalic acid, sulfuric acid, persulfuric acid, hydrochloric acid and phosphoric acid, and ammonium salts, sodium salts, potassium salts thereof, and A magnesium salt etc. are mentioned and 1 or more types of these can be used. Among these, ammonium persulfate and potassium persulfate are preferably used as the catalyst.
- the amount of the catalyst is preferably 0.1 to 20% by mass based on the amount of the monomer used.
- the heat treatment for such polymerization is preferably dry heat treatment and steam heat treatment at a temperature of 50 to 180 ° C. for 0.1 to 30 minutes, but the steam heat treatment is more uniform on the surface of the single fiber. It is easy to form a film, and the texture after film formation is flexible.
- saturated steam or superheated steam at 80 to 160 ° C. is preferably used, more preferably 90 to 130 ° C. saturated steam, or 110 to 160 ° C. of saturated steam. It is superheated steam, and both perform processing for several seconds to several minutes.
- the adhesion amount of the triazine ring-containing resin is preferably 0.5 to 5% by mass, more preferably 1 to 3% by mass with respect to the fiber mass.
- the layer is obtained by performing the same treatment as described above using a mixed solution of the triazine ring-containing resin and the fluorine-containing resin.
- the mixing mass ratio of the fluororesin and the triazine ring-containing resin is preferably 1 / 0.001 to 1.
- the antifouling fiber structure of the present invention By attaching an antifouling resin to the fiber surface, the antifouling fiber structure of the present invention can be obtained, but in order to have both high dirt removal property and washing durability, the amount of resin adhering is controlled. It is preferable. Specifically, the fixing rate per fiber weight of the antifouling resin is preferably 0.6 to 1.0%, more preferably 0.7 to 0.9% in terms of solid content. Thus, if it is a preferable range, stain removal performance can be fully expressed and there is no possibility that a texture will harden.
- the antifouling fiber structure of the present invention is suitable for use as general clothing, work uniforms, bedding, medical clothing, interior goods, industrial materials, etc. in order to exhibit dirt removal performance and washing durability by washing. It is done. Among them, it is suitably used as a work uniform that easily adheres to oil stains that are difficult to be washed off and has a need for antifouling performance.
- the antifouling fiber structure of the present invention can shorten the washing time and the amount of detergent due to the high stain removability. Washing time in which the MA value of the washing process is 5 (with NA-F50Z8 made by National) when the home washing based on JIS L 0217 103 is performed and the MA value (physical power) is 15 only in the washing process. Washing machine (Asahi Seisakusho Co., Ltd.) with a MA value (physical power) of 51 even in the case of industrial laundry, even when it is shortened to 1 minute 30 seconds).
- Grade 3 or higher is expressed in the indentation dirt antifouling test.
- the amount of greenhouse gas reduction per 57 washings of one piece of clothing (440g) using anti-stain fiber structures is 0.44kgCO 2 -eq compared to unprocessed products, compared to unprocessed products. 0.21 kg CO 2 -eq.
- the antifouling fiber structure of the present invention will be described based on examples.
- Various measurement evaluations in the examples are as follows.
- the antifouling fiber structure was immersed in 3% osmium oxide, dyed at room temperature (20 ° C.) for 3 days, washed with water and air dried, and the sample was embedded with an epoxy resin. Thereafter, using a microtome, the fiber was cut into a thickness of about 70 to 100 nm in a direction perpendicular to the fiber length.
- the cut specimen was observed using a TEM (transmission electron microscope) H-7100FA (manufactured by Hitachi, Ltd.).
- the TEM observation conditions were an acceleration voltage of 100 kV and a magnification of 8000 times.
- Judgment criteria are determined by a judgment photograph attached to AATCC TM-1966.
- n was the average of three evaluations. (Dirt removal) After the fiber structure obtained in each example etc. was washed 50 times under the industrial washing conditions described later, it is defined in the C method of JIS L 1919 “Testing method for antifouling properties of textile products” (2006). The dirt removal property was evaluated by a stain detachability test with a drop wiping method test, and the grade was determined for the stain removal property. The antifouling grade is determined visually using a gray scale for JIS contamination color. There are grades 1 to 5, and the larger the value, the higher the antifouling property.
- a PET film was placed on a square filter paper, and a fabric cut into 8 cm ⁇ 8 cm was placed thereon. 0.1 mL of oily soil was dropped from a height of 10 cm and left for 30 seconds.
- a PET film cut to the same size as the fabric was placed on the contaminated fabric, and a load of 100 g was applied for 30 seconds from the top.
- a circular filter paper was placed on the filter paper, and the dirt was absorbed by the weight of the filter paper. Further, the position of the filter paper was shifted, and the dirt was blotted again at the portion where the filter paper was not dirty. This operation was repeated until the filter paper did not absorb dirt.
- both ends of the filter paper were held, and the filter paper and dirt were brought into contact with each other and sucked so as not to apply a load as much as possible. Then, it was left for 24 hours under conditions of a temperature of 20 ° C.
- the SR sex grade was determined by naked eye determination using a gray scale for JIS L 0805 contamination color. There are grades 1 to 5, and the larger the value, the higher the antifouling property. Table 1 shows the equipment used in the above tests.
- Tumble dry 80 ° C or less
- Antimicrobial test method The test method was a unified test method, and MRSA clinical isolates were used as test cells.
- a bouillon suspension of the above-mentioned test bacteria is poured into a sterilized sample cloth, the number of viable bacteria after 18 hours of culture in a sealed container is measured, the number of bacteria relative to the number of bacteria is obtained, According to the standards.
- Log (B / A)> 1.5 was defined as the difference in the number of bacteria increased / decreased, and 2.2 or higher was determined as the acceptable level. In the examples, the acceptable product was judged as “good” and the rejected product was judged as “failure”.
- A represents the number of bacteria dispersed and recovered immediately after inoculation of the unprocessed product
- B represents the number of bacteria dispersed and recovered after 18 hours of incubation of the unprocessed product
- C represents the number of bacteria dispersed and recovered after 18 hours of incubation of the processed product.
- the MA value is the total number of loose threads at the edges of the five holes, washed with MA test cloth using a 25cm x 25cm plain woven cotton cloth with five round holes 35mm in diameter at the center and four corners of the cloth. was measured to obtain an MA value. (Greenhouse gas reduction due to reduced washing time) During the soil removability test, the washing time at which the soil removability was grade 4 or higher was measured. Assuming that the power consumption per hour of the washing machine is 470 Wh, and assuming that the power consumption during 28 minutes of washing (washing, rinsing, dehydration) is constant, the washing time when the stain removal performance is 4th or higher From this, the power consumption was estimated.
- Greenhouse gas emissions were calculated from the estimated power consumption using the LCA support software MiLCA database (TEPCO), and the difference from the unprocessed product was taken as the greenhouse gas reduction. (Greenhouse gas reduction by reducing the amount of detergent) During the soil removability test, the washing time at which the soil removability was grade 4 or higher was measured.
- Example 1 The total fineness of polyethylene terephthalate was 84 dtex, and a 72-filament false twisted yarn was used for warp and weft yarns to weave twill fabrics.
- the obtained twill fabric was refined at a temperature of 95 ° C. by a continuous refining machine according to a conventional method, washed with hot water, and then dried at a temperature of 130 ° C. Subsequently, using a liquid dyeing machine, the color was fluorescent white at a temperature of 130 ° C., washed by a conventional method, washed with hot water and dried, and heated at a temperature of 170 ° C. to produce a white fabric.
- Catalyst solid content 35% Prepare a treatment solution by dissolving 0.5 g / L, immerse the white fabric produced above in this and squeeze it with a mangle to a squeeze rate of 90%, and dry at a temperature of 130 ° C. Thereafter, heat treatment was performed at a temperature of 170 ° C.
- the stain resistance of the obtained antifouling fiber structure after the industrial washing 50 times was 4-5 according to the gray scale judgment for contamination.
- Example 2 In Example 1, in place of parazine KFS-122 as a fluororesin, a fluoroalkyl group containing a fluorovinyl monomer having 6 or less carbon atoms and a polyalkylene glycol-containing hydrophilic vinyl monomer as polymerization components (B) pararesin "(Registered trademark) NC-305 (produced by Ohara Palladium Co., Ltd., fluorine resin, solid content: 10%) was used in the same manner as in Example 1 to obtain an antifouling fiber structure.
- B pararesin "(Registered trademark) NC-305 (produced by Ohara Palladium Co., Ltd., fluorine resin, solid content: 10%) was used in the same manner as in Example 1 to obtain an antifouling fiber structure.
- Fluorine compound The area of polyethylene glycol forming a plurality of circular dyed areas having a maximum diameter of 100 nm or more and 500 nm or less contained in the above is confirmed. As a result of the determination of the gray scale for contamination, it was graded 3-4, based on the same principle as in Example 1. (Example 3) In Example 1, (C) parazine KFS-150 (produced by Keihin Kasei Co., Ltd., fluororesin, solid) containing perfluorooctyl methacrylate and polyethylene glycol as polymerization components instead of parazine KFS-122 as a fluororesin. An antifouling fiber structure was obtained in the same manner as in Example 1 except that 10%) was used.
- Example 4 The total fineness of polyethylene terephthalate was 84 dtex, and a 72-filament false twisted yarn was used for warp and weft yarns to weave twill fabrics.
- fluororesin perfluorooctyl methacrylate and polyethylene glycol are contained as fluororesin.
- A Parazine KFS-100 (Keihin Kasei Co., Ltd., fluororesin, solid content 10%) 60 g / L and
- L “Beckamine” (Registered Trademark) M-3 (Dainippon Ink Co., Ltd., triazine ring-containing compound: solid content 80%) 3.0 g / L
- M Catalyst ACX (Dainippon Ink Chemical Co., Ltd.
- Catalyst Solid content 35%) Dissolve 0.5 g / L to prepare a treatment solution, immerse the white fabric produced above in this, squeeze with a mangle to a squeeze rate of 90%, and dry at a temperature of 130 ° C. Thereafter, heat treatment was performed at a temperature of 170 ° C. A region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4-5 as determined by the gray scale for contamination. From the same principle as in Example 1, it was possible to have both high dirt removal performance and washing durability.
- Example 5 The total fineness of polyethylene terephthalate was 84 dtex, and a 72-filament false twisted yarn was used for warp and weft yarns to weave twill fabrics.
- the obtained twill fabric was refined at a temperature of 95 ° C. by a continuous refining machine according to a conventional method, washed with hot water, and then dried at a temperature of 130 ° C. Subsequently, using a liquid dyeing machine, the color was fluorescent white at a temperature of 130 ° C., washed by a conventional method, washed with hot water and dried, and heated at a temperature of 170 ° C. to produce a white fabric.
- perfluorooctyl methacrylate and polyethylene glycol are included as fluorine compounds.
- M Catalyst ACX (Dainippon Ink and Chemicals Co., Ltd., catalyst solid content 35) %) 0.5 g / L was dissolved to prepare a treatment solution, and the fabric was immersed in the solution, drawn with a mangle to a drawing rate of 90%, dried at a temperature of 130 ° C., and then 170 ° C.
- Example 6 Twill fabric is made by using 34th double yarn consisting of 80% polyethylene terephthalate and 20% cotton for warp yarn, total fineness of polyethylene terephthalate is 84 dtex, and 72-filament false twist yarn for weft yarn.
- An antifouling fiber structure was obtained in the same manner as in Example 1 except that a white fabric obtained by dyeing the obtained twill fabric by a normal dyeing process was used. A region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4 in the gray scale judgment for contamination. From the same principle as in Example 1, it was possible to have both high dirt removal performance and washing durability.
- Twill fabric is made by using 34th double yarn consisting of 80% polyethylene terephthalate and 20% cotton for warp yarn, total fineness of polyethylene terephthalate is 84 dtex, and 72-filament false twist yarn for weft yarn. Weaved.
- An antifouling fiber structure was obtained in the same manner as in Example 4 except that a white fabric obtained by dyeing the obtained twill fabric by a normal dyeing process was used.
- Example 8 Twill fabric is made by using 34th double yarn consisting of 80% polyethylene terephthalate and 20% cotton for warp yarn, total fineness of polyethylene terephthalate is 84 dtex, and 72-filament false twist yarn for weft yarn. Weaving gave an antifouling fiber structure.
- Example 5 The same procedure as in Example 5 was performed except that a white fabric obtained by dyeing the obtained twill fabric by a normal dyeing process was used. A region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4 in the gray scale judgment for contamination. From the same principle as in Example 1, it was possible to have both high dirt removal performance and washing durability.
- Example 9 Twill fabric is made by using 34th double yarn consisting of 80% polyethylene terephthalate and 20% cotton for warp yarn, total fineness of polyethylene terephthalate is 84 dtex, and 72-filament false twist yarn for weft yarn. Weaved. The obtained twill fabric was dyed by a normal dyeing process to produce a white fabric.
- (R) dimethylol dihydroxyethylene urea resin aqueous solution (solid content 20%) 100 g / L as a crosslinking agent and (S) magnesium chloride 20 g / L as a catalyst were diluted to prepare a treatment solution.
- the produced white fabric was dipped and drawn using a mangle to a drawing rate of 90%, dried at a temperature of 100 ° C., and then heat-treated at a temperature of 170 ° C.
- Beccamin (registered trademark) M-3 (manufactured by Dainippon Ink Co., Ltd., triazine ring-containing compound: solid content 80%) 3.0 g / L
- Catalyst ACX manufactured by Dainippon Ink & Chemicals, Inc.
- Catalyst solid content 35%) 0.5 g / L was dissolved to prepare a treatment liquid, the fabric was immersed in this, the mungle was used to squeeze to a squeeze rate of 90%, and dried at a temperature of 130 ° C. Thereafter, heat treatment was performed at a temperature of 170 ° C.
- Example 10 A region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4-5 as determined by the gray scale for contamination. From the same principle as in Example 1, it was possible to have both high dirt removal performance and washing durability. (Example 10) A plain woven fabric was woven using a 34th yarn consisting of 65% polyethylene terephthalate and 35% cotton for warp and weft.
- An antifouling fiber structure was obtained in the same manner as in Example 1 except that a white fabric obtained by dyeing the obtained plain woven fabric by a normal dyeing process was used. A region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 3 by the gray scale judgment for contamination. From the same principle as in Example 1, it was possible to have both high dirt removal performance and washing durability.
- Example 11 A plain woven fabric was woven using a 34th yarn consisting of 65% polyethylene terephthalate and 35% cotton for warp and weft.
- An antifouling fiber structure was obtained in the same manner as in Example 4 except that a white fabric obtained by dyeing the obtained plain woven fabric by a normal dyeing process was used.
- a region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 3 by the gray scale judgment for contamination.
- Example 12 A plain woven fabric was woven using a 34th yarn consisting of 65% polyethylene terephthalate and 35% cotton for warp and weft.
- An antifouling fiber structure was obtained in the same manner as in Example 5 except that a white fabric obtained by dyeing the obtained plain woven fabric by a normal dyeing process was used.
- a region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 3 by the gray scale judgment for contamination.
- Example 13 A plain woven fabric was woven using a 34th double yarn consisting of 65% by weight of polyethylene terephthalate and 35% by weight of cotton as warp and weft. An antifouling fiber structure was obtained in the same manner as in Example 9, except that a white fabric obtained by dyeing the obtained plain woven fabric by a normal dyeing process was used.
- Example 14 A plain woven fabric was woven using a 34th double yarn consisting of 65% by weight of polyethylene terephthalate and 35% by weight of cotton as warp and weft. The obtained plain fabric was dyed by a normal dyeing process to produce a white fabric.
- Example 15 A surge fabric was woven using a 40th double yarn consisting of 80% by weight of polyethylene terephthalate and 20% by weight of wool as warp and weft.
- An antifouling fiber structure was obtained in the same manner as in Example 1 except that a white fabric obtained by dyeing the obtained surge fabric by a normal dyeing process was used. A region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4 in the gray scale judgment for contamination. From the same principle as in Example 1, it was possible to have both high dirt removal performance and washing durability.
- Example 16 A surge fabric was woven using a 40th double yarn consisting of 80% by weight of polyethylene terephthalate and 20% by weight of wool as warp and weft.
- An antifouling fiber structure was obtained in the same manner as in Example 4 except that a white fabric obtained by dyeing the obtained surge fabric by a normal dyeing process was used.
- a region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4 in the gray scale judgment for contamination.
- Example 17 A surge fabric was woven using a 40th double yarn consisting of 80% by weight of polyethylene terephthalate and 20% by weight of wool as warp and weft. An antifouling fiber structure was obtained in the same manner as in Example 5 except that a white fabric obtained by dyeing the obtained surge fabric from a normal dyeing process was used.
- Example 18 A satin knitted fabric was knitted using 36 filament processed yarn having a total fineness of 44 dtex made of nylon. An antifouling fiber structure was obtained in the same manner as in Example 1 except that a white fabric obtained by dyeing the obtained satin knitted fabric by a normal dyeing process was used.
- Example 19 A region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4 in the gray scale judgment for contamination. From the same principle as in Example 1, it was possible to have both high dirt removal performance and washing durability. (Example 19) A 50d nylon processed yarn was supplied with 20d spandex and false twisted, and a knitted knitted fabric was knitted with a yarn using 50% S twist and 50% Z twist.
- An antifouling fiber structure was obtained in the same manner as in Example 1 except that a white fabric obtained by dyeing the obtained woven knit fabric by a normal dyeing process was used. A region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4 in the gray scale judgment for contamination. From the same principle as in Example 1, it was possible to have both high dirt removal performance and washing durability.
- Example 20 A plain woven fabric was woven using spun yarn having a total fineness of 41st for polyethylene and terephthalate as warp and weft.
- the obtained twill fabric was refined at a temperature of 95 ° C. by a continuous refining machine according to a conventional method, washed with hot water, and then dried at a temperature of 130 ° C. Subsequently, using a liquid dyeing machine, the color was fluorescent white at a temperature of 130 ° C., washed by a conventional method, washed with hot water and dried, and heated at a temperature of 170 ° C. to produce a white fabric.
- triazine ring-containing compound solid content 80%) 3.0 g / L, (N) 3.0 g / L ammonium persulfate was dissolved to prepare a treatment solution,
- the white fabric produced above is immersed in this and squeezed with a mangle to a squeeze rate of 90%, treated in a saturated steam state at a temperature of 100 ° C., dried at a temperature of 130 ° C., and then 170 Heat treatment was performed at a temperature of ° C.
- a region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times
- the removability was grade 4-5 as determined by the gray scale for contamination.
- the area of polyethylene glycol that forms a circular dyed area with a maximum diameter of 100 nm or more and 500 nm or less contained in the fluorine-based compound repels dirt due to the fluorine-based compound adhering to the fiber, and has an affinity for the washing liquid during washing.
- Example 21 A plain woven fabric was woven using a 34th yarn consisting of 65% polyethylene terephthalate and 35% cotton for warp and weft. The obtained plain fabric was dyed by a normal dyeing process to produce a white fabric.
- triazine ring-containing compound solid content 80%) 3.0 g / L, (N) 3.0 g / L ammonium persulfate was dissolved to prepare a treatment solution,
- the white fabric produced above is immersed in this and squeezed with a mangle to a squeeze rate of 90%, treated in a saturated steam state at a temperature of 100 ° C., dried at a temperature of 130 ° C., and then 170 Heat treatment was performed at a temperature of ° C.
- a region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times
- the removability was grade 4-5 as determined by the gray scale for contamination.
- the area of polyethylene glycol that forms a circular dyed area with a maximum diameter of 100 nm or more and 500 nm or less contained in the fluorine-based compound repels dirt due to the fluorine-based compound adhering to the fiber, and has an affinity for the washing liquid during washing.
- Example 22 A plain woven fabric was woven using spun yarn having a total fineness of 41st for polyethylene and terephthalate as warp and weft. The obtained twill fabric was refined at a temperature of 95 ° C. by a continuous refining machine according to a conventional method, washed with hot water, and then dried at a temperature of 130 ° C. Subsequently, using a liquid dyeing machine, the color was fluorescent white at a temperature of 130 ° C., washed by a conventional method, washed with hot water and dried, and heated at a temperature of 170 ° C. to produce a white fabric.
- a region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4-5 as determined by the gray scale for contamination.
- the area of polyethylene glycol that forms a circular dyed area with a maximum diameter of 100 nm or more and 500 nm or less contained in the fluorine-based compound repels dirt due to the fluorine-based compound adhering to the fiber, and has an affinity for the washing liquid during washing.
- Example 23 A plain woven fabric was woven using a 34th yarn consisting of 65% polyethylene terephthalate and 35% cotton for warp and weft. The obtained plain fabric was dyed by a normal dyeing process to produce a white fabric.
- a region of polyethylene glycol forming a plurality of circular dyed regions having a maximum diameter of 100 nm or more and 500 nm or less contained in a fluorine-based compound was confirmed, and the resulting antifouling fiber structure was soiled by pressing after industrial washing 50 times The removability was grade 4-5 as determined by the gray scale for contamination.
- the area of polyethylene glycol that forms a circular dyed area with a maximum diameter of 100 nm or more and 500 nm or less contained in the fluorine-based compound repels dirt due to the fluorine-based compound adhering to the fiber, and has an affinity for the washing liquid during washing.
- the indentation method soil-removability after 50 times of industrial washing of the obtained fiber structure was 2-3 in the gray scale judgment for contamination.
- the fluororesin adhering to the fiber repels dirt
- the dyeing area of polyethylene glycol contained in the fluororesin is less than 100 nm, so the affinity with the washing liquid at the time of washing is low, and satisfactory stain removability is It was not obtained.
- the fluororesin adhering to the fiber repels dirt
- the dyeing area of polyethylene glycol contained in the fluororesin is less than 100 nm, so the affinity with the washing liquid at the time of washing is low, and satisfactory stain removability is It was not obtained.
- (R) dimethylol dihydroxyethylene urea resin aqueous solution (solid content 20%) 100 g / L as a cross-linking agent and (S) magnesium chloride 20 g / L as a catalyst are diluted to prepare a treatment solution, which is manufactured as described above.
- the white fabric thus obtained was immersed and drawn using a mangle so that the drawing rate was 90%, dried at a temperature of 100 ° C., and then heat-treated at a temperature of 170 ° C.
- the indentation method soil removability after 50 times of industrial washing of the obtained fiber structure was ranked first in the gray scale determination for contamination. Since no fluorine-based resin was adhered on the fiber, satisfactory stain removability was not obtained without repelling the stain.
- Tables 3, 4 and 5 show the results of the performance and the like of the fiber structures obtained in Examples 1 to 23 and Comparative Examples 1 to 11 described above.
- the () indication of the water repellency described in Table 4 indicates that the back surface of the test cloth is wet.
- Example 1 to 23 which are the fiber structures of the present invention, the maximum diameter of the hydrophilic component is 100 to 500 nm, whereas the stain removal property against indentation dirt is excellent.
- Comparative Examples 1 to 11 which are different from the antifouling fiber structure of the present invention, the maximum diameter of the dyed region due to the hydrophilic component is less than 100 nm, and the stain removability against indentation dirt is inferior to that of the Examples. ing.
- the antifouling fiber structure of the present invention has a high adhesion inhibitory property against water-based and oily soils and a soil-removing property by washing at the same time. Therefore, general clothing, work uniforms, bedding, medical clothing, and interior products And it is suitably used as industrial materials. Among them, it is suitably used as a work uniform that easily adheres to oil stains that are difficult to be washed off and has a need for antifouling performance.
- Fiber 2 Dyeing phase with osmium oxide
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Abstract
Description
繊維表面の少なくとも1部に防汚性を有する樹脂が固着した繊維構造物であって、透過電子顕微鏡(以下、TEM)により観察される酸化オスミウムに染色された領域が該樹脂の内部の少なくとも1部に存在し、該領域の少なくとも1つは、円形であり、該領域の最大径は100nm以上、500nm以下であり、さらに繊維表面をエネルギー分散型X線分析装置で測定した際の酸素原子とフッ素原子の質量濃度比(O/F)が3以上である防汚性繊維構造物、である。
本発明の防汚性繊維構造物は、繊維構造物の押し込み汚れに対する汚れ除去性試験の汚れ除去性が工業洗濯50回後で3級以上であることが好ましい。
上記一般式で表されるトリアジン環含有化合物以外に、上記の化合物のエチレン尿素共重合化合物、ジメチロール尿素共重合化合物、ジメチロールチオ尿素共重合化合物および酸コロイド化合物なども使用することができる。
(TEMによる樹脂内部の構造観察)
防汚性繊維構造物を3%酸化オスミウムに浸漬し、常温(20℃)で3日間染色後、水洗、風乾し、エポキシ樹脂でサンプルを包埋した。その後、ミクロトームを用いて、繊維を、繊維長に対して垂直な方向に、70~100nm程度の厚みで輪切りにした。切断した試料片をTEM(透過型電子顕微鏡)H-7100FA((株)日立製作所製)を用いて観察した。TEMの観察条件は、加速電圧100kV、倍率8000倍とした。
(フッ素化合物についての酸素とフッ素の質量濃度の測定)
処理をした白色布帛を1cm×1cm程度に切断し、エネルギー分散型X線分析装置を用いて質量濃度を測定した。測定条件としては、低真空モード(30Pa)、加速電位15.0kV、プローブ電流70A、倍率100倍で各試料測定し、得られた酸素原子の質量濃度(質量%)をフッ素の質量濃度(質量%)で除することにより、酸素原子とフッ素原子の質量濃度比を(O/F)を算出した。各質量濃度の測定はn=3回の平均値で評価した。
(撥水度)
JIS L 1092「繊維製品の防水性試験方法」(2009年)に規定される方法により、スプレー法により評価を行い、撥水度について級判定した。級判定についてはn=1回の評価で実施した。級判定における( )表示は生地の裏まで湿潤していることを示す。撥水度の級は1級から5級まで有り、数値が大きいほど、撥水性が高いことを示す。判定基準はJIS L 1092に添付の判定写真により判別する。
(撥油度)
AATCC TM-1966に規定される方法で測定し、撥油度について級判定した。撥油性の級は1級から8級まで有り、数値が大きいほど、撥油性が高いことを示す。判定基準はAATCC TM-1966に添付の判定写真により判別する。級判定についてはn=3回の評価の平均値とした。
(汚れ除去性)
各実施例等で得られた繊維構造物を後述の工業洗濯条件にて50回洗濯した後に、JIS L 1919「繊維製品の防汚性試験方法」(2006年)のC法に規定されている、滴下拭き取り法試験の付いた汚れの落ちやすさ試験により、汚れ除去性の評価を行い、汚れ除去性について、級判定を行った。防汚性の級はJIS汚染色用グレースケールを使用し肉眼判定する。1級から5級まであり、数値が大きいほど、防汚性が高いことを示す。
(汚れ除去性試験時の工業洗濯条件)
汚れ除去性試験時の洗濯耐久性および汚れ除去性の工業洗濯1回は以下の条件・順序で行った。
1.洗い(水温60℃、浴比1:10、時間15分)
洗剤:無リン“ダッシュ”(登録商標) 2.0g/L
メタ珪酸ソーダ 2.0g/L
“クレワット”(登録商標)N 1.0g/L
2.脱水(時間1分)
3.濯ぎ1(水温50℃、浴比1:10、時間3分)
4.脱水(時間1分)
5.濯ぎ2(水温35℃、浴比1:10、時間3分)
6.脱水(時間1分)
7.濯ぎ3(常水温、浴比1:10、時間3分)
8.脱水(時間1分)
9.タンブラー乾燥
(押し込み汚れに対する汚れ除去性)
上記の条件による工業洗濯を50回行った後の繊維構造物について、JIS L 1919「繊維製品の防汚性試験方法」(2006年)のC法に準じた押し込み方汚れ除去性能を評価した。JIS L 1919「繊維製品の防汚性試験方法」(2006年)のC法に規定されている親油性汚染物質-3の成分を使用した汚染物質(オイルレッド分率0.1%)を作製し、以下の手順で試験を実施した。
抗菌試験時の洗濯耐久性の工業洗濯50回分は以下の条件・順序で行った。
1.洗い(水温80℃、浴比1:30、時間120分)
洗剤:JAFET標準配合洗剤 120mL (水量90Lに対して)
2.脱水(時間3~5分)
4.オーバーフロー濯ぎ(常水温、浴比1:30、時間15分)
5.脱水(時間3~5分)
6.4、5の工程を3回繰り返す(計4回)
7.1~6の工程を5回繰り返す
8.家庭洗濯機にて5分オーバーフロー濯ぎ(常水温、浴比1:30)
9.脱水(時間3~5分)
10.タンブラー乾燥(80℃以下)
(抗菌試験方法)
試験方法は統一試験法を採用し、試験菌体はMRSA臨床分離株を用いた。試験方法は、滅菌試料布に上記試験菌のブイヨン懸濁液を注加し、密閉容器中で37℃、18時間培養後の生菌数を計測し、殖菌数に対する菌数を求め、次の基準に従った。
(裏抜け防止性)
固形油汚れをフィルム上に1mmの厚さで5×5cmの範囲に塗布し、その上から滅菌ガーゼ(川本産業(株)製、滅菌ガーゼ タイプIII “ケーパイン”(登録商標) No.7164 5.0cm×5.0cm 1枚入)を乗せる。その上に8×8cmの生地サンプルを乗せ、またその上にろ紙((株)三商製)、0.4kPa、5.0×5.0cmの荷重の順で乗せ、37℃で24時間放置後、ろ紙への固形油汚れの裏抜け有無について目視で判断した。
<固形油汚れの成分>
・白色ワセリン(健栄製薬(株)製):99.9質量%
・オイルレッド(和光純薬工業(株)製):0.1質量%
(汚れ除去性が4級となるための最小MA値)
汚れ除去性試験の際に、JIS L 0217 103(1995年改正、洗剤量:1.0g/L)に基づいた家庭洗濯をしたときの汚れ除去性が4級以上となる最短の洗濯時間を測定し、この時の物理量をMA(メカニカルアクション)値で表した。MA値は布の中心と四隅に直径35mmの丸い穴を5つ打ち抜いた25cm×25cmの平織綿布を用いたMAテスト布を入れて洗濯を行い、その5つの穴の縁のほつれた糸の総数を測定しMA値とした。
(洗濯時間短縮による温室効果ガス削減量)
汚れ除去性試験の際に汚れ除去性が4級以上となる洗濯時間を測定した。洗濯機の1時間あたり消費電力を470Whと仮定し、28分の洗濯(洗い・濯ぎ・脱水)中の電力消費が一定であるものと仮定して、汚れ除去性が4級以上となる洗濯時間から消費電力量を試算した。試算した消費電力量からLCA支援ソフトMiLCAのデータベース(東京電力)によって温室効果ガス排出量を算出し、未加工品との差を温室効果ガス削減量とした。
(洗剤量低減による温室効果ガス削減量)
汚れ除去性試験の際に汚れ除去性が4級以上となる洗濯時間を測定した。無リン“ダッシュ”(登録商標)2.0g/L、メタ珪酸ソーダ2.0g/L、“クレワット”(登録商標)N1.0g/Lから削減できた洗剤量を計算し、LCA支援ソフトMiLCAのデータベースより洗濯用合成洗剤(無リン“ダッシュ”(登録商標))、けい酸ナトリウム(メタ珪酸ソーダ)、キレート剤(“クレワット”(登録商標)N)を利用し、温室効果ガス排出量を算出し、洗剤を標準量使用した際の温室効果ガス排出量との差を温室効果ガス削減量とした。
(実施例1)
ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をタテ糸とヨコ糸に使用して、ツイル織物を製織した。得られたツイル織物を95℃の温度で、連続式精錬機で常法に従い精錬し湯水洗し、次いで130℃の温度で乾燥した。次いで、液流染色機を用いて、130℃の温度で蛍光白色に染色し、常法により洗浄し湯水洗し乾燥して、170℃の温度で加熱を行い、白色布帛を製造した。
(実施例2)
実施例1において、フッ素系樹脂としてパラジンKFS-122に代えて、フルオロアルキル基の炭素数が6以下のフッ素系ビニルモノマーとポリアルキレングリコール含有親水性ビニルモノマーとを重合成分として含む(B)パラレジン”(登録商標) NC-305(大原パラジウム(株)製、フッ素系樹脂、固形分10%)を使用した以外は実施例1と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で3-4級となった。実施例1と同様の原理からである。
(実施例3)
実施例1において、フッ素系樹脂としてパラジンKFS-122に代えて、パーフルオロオクチルメタクリレートとポリエチレングリコールとを重合成分として含む(C)パラジンKFS-150(京浜化成(株)製、フッ素系樹脂、固形分10%)を使用した以外は実施例1と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で3級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例4)
ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をタテ糸とヨコ糸に使用して、ツイル織物を製織した。
(実施例5)
ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をタテ糸とヨコ糸に使用して、ツイル織物を製織した。得られたツイル織物を95℃の温度で、連続式精錬機で常法に従い精錬し湯水洗し、次いで130℃の温度で乾燥した。次いで、液流染色機を用いて、130℃の温度で蛍光白色に染色し、常法により洗浄し湯水洗し乾燥して、170℃の温度で加熱を行い、白色布帛を製造した。
(実施例6)
ポリエチレンテレフタレート80%、綿20%からなる34番手の双糸をタテ糸に使用し、ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をヨコ糸に使用して、ツイル織物を製織した。得られたツイル織物を通常の染色工程により染色した白色布帛を使用する以外は実施例1と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で4級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例7)
ポリエチレンテレフタレート80%、綿20%からなる34番手の双糸をタテ糸に使用し、ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をヨコ糸に使用して、ツイル織物を製織した。得られたツイル織物を通常の染色工程により染色した白色布帛を使用する以外は実施例4と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で4級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例8)
ポリエチレンテレフタレート80%、綿20%からなる34番手の双糸をタテ糸に使用し、ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をヨコ糸に使用して、ツイル織物を製織して防汚性繊維構造物を得た。得られたツイル織物を通常の染色工程により染色した白色布帛を使用する以外は実施例5と同様にした。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で4級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例9)
ポリエチレンテレフタレート80%、綿20%からなる34番手の双糸をタテ糸に使用し、ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をヨコ糸に使用して、ツイル織物を製織した。得られたツイル織物を通常の染色工程により染色し、白色布帛を製造した。
(実施例10)
ポリエチレンテレフタレート65%、綿35%からなる34番手の双糸をタテ糸、ヨコ糸に使用して、平織物を製織した。得られた平織物を通常の染色工程により染色した白色布帛を使用する以外は実施例1と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で3級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例11)
ポリエチレンテレフタレート65%、綿35%からなる34番手の双糸をタテ糸、ヨコ糸に使用して、平織物を製織した。得られた平織物を通常の染色工程により染色した白色布帛を使用する以外は実施例4と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で3級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例12)
ポリエチレンテレフタレート65%、綿35%からなる34番手の双糸をタテ糸、ヨコ糸に使用して、平織物を製織した。得られた平織物を通常の染色工程により染色した白色布帛を使用する以外は実施例5と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で3級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例13)
ポリエチレンテレフタレート65重量%、綿35重量%からなる34番手の双糸をタテ糸、ヨコ糸に使用して、平織物を製織した。得られた平織物を通常の染色工程により染色した白色布帛を使用する以外は実施例9と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で4級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例14)
ポリエチレンテレフタレート65重量%、綿35重量%からなる34番手の双糸をタテ糸、ヨコ糸に使用して、平織物を製織した。得られた平織物を通常の染色工程により染色し、白色布帛を製造した。
(実施例15)
ポリエチレンテレフタレート80重量%、ウール20重量%からなる40番手の双糸をタテ糸、ヨコ糸に使用して、サージ織物を製織した。得られたサージ織物を通常の染色工程により染色した白色布帛を使用する以外は実施例1と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で4級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例16)
ポリエチレンテレフタレート80重量%、ウール20重量%からなる40番手の双糸をタテ糸、ヨコ糸に使用して、サージ織物を製織した。得られたサージ織物を通常の染色工程により染色した白色布帛を使用する以外は実施例4と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で4級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例17)
ポリエチレンテレフタレート80重量%、ウール20重量%からなる40番手の双糸をタテ糸、ヨコ糸に使用して、サージ織物を製織した。得られたサージ織物を通常の染色工程より染色した白色布帛を使用する以外は実施例5と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で4級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例18)
ナイロンからなる総繊度が44dtexで、36フィラメントの加工糸を使用して、サテン編物を製編した。得られたサテン編物を通常の染色工程により染色した白色布帛を使用する以外は実施例1と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で4級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例19)
50dのナイロン加工糸に20dのスパンデックスが供給され仮撚加工されており、S撚りが50%、Z撚りが50%の糸使いで天竺編物を製編した。得られた天竺編物を通常の染色工程により染色した白色布帛を使用する以外は実施例1と同様にして防汚性繊維構造物を得た。フッ素系化合物に含まれる最大径100nm以上、500nm以下の円形の複数の染色領域を形成するポリエチレングリコールの領域が確認され、得られた防汚性繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で4級となった。実施例1と同様の原理から高い汚れ除去性と洗濯耐久性を併せ持つことができた。
(実施例20)
ポリエチレンテレフタレートからなる総繊度が41番手の紡績糸をタテ糸とヨコ糸に使用して、平織物を製織した。得られたツイル織物を95℃の温度で、連続式精錬機で常法に従い精錬し湯水洗し、次いで130℃の温度で乾燥した。次いで、液流染色機を用いて、130℃の温度で蛍光白色に染色し、常法により洗浄し湯水洗し乾燥して、170℃の温度で加熱を行い、白色布帛を製造した。
(実施例21)
ポリエチレンテレフタレート65%、綿35%からなる34番手の双糸をタテ糸、ヨコ糸に使用して、平織物を製織した。得られた平織物を通常の染色工程により染色して白色布帛を製造した。
(実施例22)
ポリエチレンテレフタレートからなる総繊度が41番手の紡績糸をタテ糸とヨコ糸に使用して、平織物を製織した。得られたツイル織物を95℃の温度で、連続式精錬機で常法に従い精錬し湯水洗し、次いで130℃の温度で乾燥した。次いで、液流染色機を用いて、130℃の温度で蛍光白色に染色し、常法により洗浄し湯水洗し乾燥して、170℃の温度で加熱を行い、白色布帛を製造した。
(実施例23)
ポリエチレンテレフタレート65%、綿35%からなる34番手の双糸をタテ糸、ヨコ糸に使用して、平織物を製織した。得られた平織物を通常の染色工程により染色して白色布帛を製造した。
(比較例1)
フッ素系樹脂としてパーフルオロオクチルメタクリレートとポリエチレングリコールとを重合成分として含む(D)パラジンKFS-101(京浜化成(株)製、フッ素系樹脂、固形分10%)60g/Lを使用する以外は実施例1と同様にして防汚性繊維構造物を得た。得られた繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で2-3級となった。繊維上に付着したフッ素系樹脂が汚れを弾くものの、フッ素系樹脂に含まれるポリエチレングリコールによる染色領域が100nm未満であるため、洗濯時の洗濯液との親和性が低く、満足する汚れ除去性は得られなかった。
(比較例2)
フッ素系樹脂としてパーフルオロオクチルメタクリレートとポリエチレングリコールとを重合成分として含む(E)パラジンKFS-102(京浜化成(株)製、フッ素系樹脂、固形分10%)60g/Lを使用する以外は実施例1と同様にして防汚性繊維構造物を得た。得られた繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で2-3級となった。繊維上に付着したフッ素系化合物が汚れを弾くものの、フッ素系樹脂に含まれるポリエチレングリコールによる染色領域が100nm未満であるため、洗濯時の洗濯液との親和性が低く、満足する汚れ除去性は得られなかった。
(比較例3)
フッ素系樹脂としてパーフルオロオクチルメタクリレートとポリエチレングリコールとを重合成分として含む(F)パラジンKFS-200(京浜化成(株)製、フッ素系樹脂、固形分10%)60g/Lを使用する以外は実施例1と同様にして防汚性繊維構造物を得た。得られた繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で2-3級となった。繊維上に付着したフッ素系樹脂が汚れを弾くものの、フッ素系樹脂に含まれるポリエチレングリコールの領域が100nm以下であるため、洗濯時の洗濯液との親和性が低く、満足する汚れ除去性は得られなかった。
(比較例4)
フッ素系樹脂としてパーフルオロオクチルメタクリレートとポリエチレングリコールとを重合成分として含む(G)“アサヒガード”(登録商標)AG-1100(旭硝子(株)製、フッ素系樹脂、固形分20%)30g/Lを使用する以外は実施例1と同様にして防汚性繊維構造物を得た。得られた繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で2-3級となった。繊維上に付着したフッ素系樹脂が汚れを弾くものの、フッ素系樹脂に含まれるポリエチレングリコールの領域が100nm未満であるため、洗濯時の洗濯液との親和性が低く、満足する汚れ除去性は得られなかった。
(比較例5)
フッ素樹脂としてフルオロアルキル基の炭素数が6以下のフッ素系ビニルモノマーを重合成分として含む(H)“ユニダイン”(登録商標) TG-5243(ダイキン工業(株)製、固形分30%)20g/Lを使用する以外は実施例1と同様にして防汚性繊維構造物を得た。得られた繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で2-3級となった。繊維上に付着したフッ素系樹脂が汚れを弾くものの、フッ素系樹脂に含まれるポリエチレングリコールによる染色領域が100nm未満であるため、洗濯時の洗濯液との親和性が低く、汚れ除去性が低くなった。
(比較例6)
フルオロアルキル基の炭素数が6以下のフッ素系ビニルモノマーを重合成分として含むフッ素系樹脂として(I)“ユニダイン”(登録商標) TG-5521(ダイキン工業(株)製、固形分30%)20g/Lを使用する以外は実施例1と同様にして防汚性繊維構造物を得た。得られた繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で2-3級となった。繊維上に付着したフッ素系樹脂が汚れを弾くものの、フッ素系樹脂に含まれるポリエチレングリコールによる染色領域が100nm未満であるため、洗濯時の洗濯液との親和性が低く、満足する汚れ除去性は得られなかった。
(比較例7)
フルオロアルキル基の炭素数が6以下のフッ素系ビニルモノマーを重合成分として含むフッ素系樹脂として(J)“アサヒガード”(登録商標)AG-E092(旭硝子(株)製、フッ素系樹脂、固形20分%)30g/Lを使用する以外は実施例1と同様にして防汚性繊維構造物を得た。得られた繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で2-3級となった。繊維上に付着したフッ素系樹脂が汚れを弾くものの、フッ素系樹脂に含まれるポリエチレングリコールによる染色領域が100nm未満であるため、洗濯時の洗濯液との親和性が低く、満足する汚れ除去性は得られなかった。
(比較例8)
フルオロアルキル基の炭素数が6以下のフッ素系ビニルモノマーを重合成分として含むフッ素系樹脂として(K)“マックスガード”(登録商標) FX-2500T((株)京絹化成製、フッ素系樹脂、固形分30%)20g/Lを使用する以外は実施例1と同様にして防汚性繊維構造物を得た。得られた繊維構造物の工業洗濯50回後の押し込み法汚れ除去性は汚染用グレースケール判定で2級となった。繊維上に付着したフッ素系樹脂が汚れを弾くものの、フッ素系樹脂に含まれるポリエチレングリコールによる染色領域が100nm未満であるため、洗濯時の洗濯液との親和性が低く、満足する汚れ除去性は得られなかった。
(比較例9)
ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をタテ糸とヨコ糸に使用して、ツイル織物を製織した。
(比較例10)
ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をタテ糸とヨコ糸に使用して、ツイル織物を製織した。得られたツイル織物を95℃の温度で、連続式精錬機で常法に従い精錬し湯水洗し、次いで130℃の温度で乾燥した。次いで、液流染色機を用いて、130℃の温度で蛍光白色に染色し、常法により洗浄し湯水洗し乾燥して、170℃の温度で加熱を行い、白色布帛を製造した。
(比較例11)
ポリエチレンテレフタレート80重量%、綿20重量%からなる34番手の双糸をタテ糸に使用し、ポリエチレンテレフタレートからなる総繊度が84dtexで、72フィラメントの仮撚り加工糸をヨコ糸に使用して、ツイル織物を製織した。得られたツイル織物を通常の染色工程より白色布帛を製造した。
(A)パラジンKFS-100(京浜化成(株)製、フッ素系樹脂、固形分10%、PEG含有)
(B)パラレジンNC-305(大原パラヂウム(株)製、フッ素系樹脂、固形分10%、PEG含有)
(C)パラジンKFS-150(京浜化成(株)製、フッ素系樹脂、固形分10%、PEG含有)
(D)パラジンKFS-101(京浜化成(株)製、フッ素系樹脂、固形分10%、PEG含有)
(E)パラジンKFS-102(京浜化成(株)製、フッ素系樹脂、固形分10%、PEG含有)
(F)パラジンKFS-200(京浜化成(株)製、フッ素系樹脂、固形分10%、PEG含有)
(G)“アサヒガード”(登録商標)AG-1100(旭硝子(株)製、フッ素系樹脂、固形分20%、PEG含有)
(H)“ユニダイン”(登録商標) TG-5243(ダイキン工業(株)製、固形分30%、PEG非含有)
(I)“ユニダイン”(登録商標) TG-5521(ダイキン工業(株)製、固形分30%、PEG非含有)
(J)“アサヒガード”(登録商標)AG-E092(旭硝子(株)製、フッ素系樹脂、固形20分%、PEG非含有)
(K)“マックスガード” (登録商標) FX-2500T((株)京絹化成製、フッ素系樹脂、固形分30%、PEG非含有)
また、フッ素化合物の架橋剤として(L)を触媒として(M)を用いた。
(L)“ベッカミン”(登録商標)M-3(大日本インキ化学工業(株)製トリアジン環含有化合物:固形分80%)
(M)キャタリストACX(大日本インキ化学工業(株)製 触媒 固形分35%)
(N)過硫酸アンモニウム
また、抗菌性を付与するために以下の(N)~(P)の薬剤を用いた。
(O)2-ピリジルチオール-1-オキシド亜鉛
(P)ナフタレンスルホン酸のホルマリン縮合物
(Q)リグニンスルホン酸ナトリウム
また、天然素材混の合成繊維布帛に洗濯耐久性を付与するために以下の(R)~(S)の薬剤を用いた。
(R)ジメチロールジヒドロキシエチレン尿素
(S)塩化マグネシウム
以上の実施例1~23、比較例1~11の処理液組成(A)~(S)と繊維素材を表2に示す。
2:酸化オスミウムによる染色相
Claims (7)
- 繊維表面の少なくとも1部に防汚性を有する樹脂が固着した繊維構造物であって、透過電子顕微鏡により観察される酸化オスミウムに染色された領域が該樹脂の内部の少なくとも1部に存在し、該領域の少なくとも1つは、円形であり、該領域の最大径は100nm以上、500nm以下であり、さらに繊維表面をエネルギー分散型X線分析装置で測定した際の酸素原子とフッ素原子の質量濃度比(O/F)が3以上である防汚性繊維構造物。
- 該領域が樹脂内部に2つ以上存在し、染色領域個々が離れ、散在している請求項1に記載の防汚性繊維構造物。
- 該領域に親水性成分と疎水成分とが存在する請求項2に記載の防汚性繊維構造物。
- 該親水性成分が、ポリエチレングリコールである請求項3に記載の防汚性繊維構造物。
- 該樹脂のパーフルオロオクタン酸含有量が検出限界未満である請求項1~4のいずれかに記載の防汚性繊維構造物。
- 該樹脂が、下記一般式(I)で示される化合物を重合成分として含む請求項5に記載の防汚性繊維構造物。
CH2=C(CH3)C(=O)OCH2CH2(CF2)5CF3 (I) - 該繊維構造物の押し込み汚れに対する汚れ除去性試験の汚れ除去性が工業洗濯50回後で3級以上である請求項1~6のいずれかに記載の防汚性繊維構造物。
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WO2019073898A1 (ja) | 2017-10-11 | 2019-04-18 | 東レ株式会社 | 防汚性繊維構造物 |
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KR20180022647A (ko) | 2018-03-06 |
US10513820B2 (en) | 2019-12-24 |
EP3321418A4 (en) | 2019-02-20 |
ES2943580T3 (es) | 2023-06-14 |
US20180179699A1 (en) | 2018-06-28 |
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