WO2011027732A1 - 抗ピリング性人工皮革 - Google Patents
抗ピリング性人工皮革 Download PDFInfo
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- WO2011027732A1 WO2011027732A1 PCT/JP2010/064705 JP2010064705W WO2011027732A1 WO 2011027732 A1 WO2011027732 A1 WO 2011027732A1 JP 2010064705 W JP2010064705 W JP 2010064705W WO 2011027732 A1 WO2011027732 A1 WO 2011027732A1
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- WIPO (PCT)
- Prior art keywords
- artificial leather
- mass
- fiber
- inorganic particles
- pilling
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/06—Building materials
- D06N2211/063—Wall coverings
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/10—Clothing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/14—Furniture, upholstery
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/26—Vehicles, transportation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/2395—Nap type surface
Definitions
- the present invention relates to an artificial leather having an elegant appearance with napped surfaces and good anti-pilling properties.
- suede-like artificial leather having napped fibers made of ultrafine fibers has a flexible texture, excellent physical properties, and an elegant appearance, and has been widely used for clothing, furniture, and vehicle interior materials.
- Such a suede-like artificial leather having napped fibers made of ultrafine fibers has a structure in which an elastic polymer is impregnated into a sheet-like material made of ultrafine fibers. For this reason, there is a problem that so-called pilling occurs, in which wear occurs in actual use, thereby causing the fine fibers to become tangled and become a hair ball.
- pilling occurs, in which wear occurs in actual use, thereby causing the fine fibers to become tangled and become a hair ball.
- Various proposals have been made for this problem.
- an object of the present invention is to provide an artificial leather that has an elegant appearance with napped hair and good anti-pilling properties, without affecting the spinning performance in view of the above-mentioned problems of the prior art.
- the anti-pilling artificial leather of the present invention is a sheet-like product comprising ultrafine fibers having a single fiber diameter of 0.3 to 10 ⁇ m and a polymer elastic body and having nappings made of the ultrafine fibers, Is an artificial leather characterized by containing 0.01 to 5% by mass of inorganic particles with respect to 100% by mass of ultrafine fibers and 0.001 to 1% by mass of silicone oil with respect to 100% by mass of ultrafine fibers. .
- the ultrafine fibers contain 90% by mass or more of polyester ultrafine fibers. According to a more preferred embodiment, the ultrafine fiber contains 100% by mass of polyester ultrafine fiber.
- the inorganic particles are at least one inorganic particle selected from the group consisting of calcium salt, silica and titanium oxide.
- secondary aggregation of inorganic particles can be efficiently performed by adding 0.001 to 1% by mass of silicone oil in addition to 0.01 to 5% by mass of inorganic particles based on ultrafine fibers. Can be prevented. By uniformly dispersing the inorganic particles in the polyester ultrafine fiber, it is possible to prevent a change in the pilling state of the ultrafine fiber due to friction.
- the inorganic particles agglomerate in the ultrafine fibers
- the strength of the ultrafine fibers is reduced and the fibers on the surface of the artificial leather are cut, so that an elegant appearance as artificial leather cannot be obtained.
- secondary agglomeration can be prevented by the added silicone oil, and pilling can be prevented while maintaining the strength and graceful appearance of the ultrafine fibers.
- the inorganic particles agglomerate during spinning of the ultrafine fiber, the spinning performance such as yarn breakage is deteriorated, and it becomes difficult to perform spinning for a long time.
- silicone oil in addition to the inorganic particles, the inorganic particles can be uniformly dispersed in the ultrafine fibers, the spinning performance can be maintained, and a long time can be prevented.
- the artificial leather with good anti-pilling property of the present invention is a sheet-like material containing ultrafine fibers and a polymer elastic body, and has an excellent surface appearance such as suede and nubuck like natural leather.
- it is a sheet-like material having a smooth touch and an excellent lighting effect in a nap-like appearance such as suede or nubuck.
- the ratio of the polyester ultrafine fibers to the fibers constituting the anti-pilling artificial leather of the present invention is preferably 40% by mass or more and 100% by mass or less, more preferably based on the whole fiber, from the viewpoint that an elegant appearance can be formed. It is 60 mass% or more and 100 mass% or less.
- the single fiber diameter of the ultrafine fiber used in the present invention is 0.3 to 10 ⁇ m.
- the diameter of the single fiber should be narrower, preferably 0.3 to 5.3 ⁇ m, more preferably 0.3 to 4.6 ⁇ m.
- the single fiber diameter of the fibers constituting the artificial leather can be obtained as follows. That is, when the cross section of the fiber is a circle or an ellipse close to a circle, a scanning electron microscope (SEM) photograph of the artificial leather surface is taken at a magnification of 2000 times, 100 fibers are selected at random, and the single fiber diameter is measured. Then, the average single fiber diameter is calculated as the single fiber diameter. In addition, when the fibers constituting the artificial leather had an irregular cross section, the outer circumference circle diameter of the irregular cross section was calculated as the fiber diameter in the same manner.
- SEM scanning electron microscope
- the circular cross section and the irregular cross section are mixed, or when the single fiber fineness is greatly different, etc., 100 is selected so that each has the same number, and in the case of the irregular cross section,
- the cross-sectional area is calculated by converting to the area of a perfect circle.
- the ultrafine fiber used in the present invention preferably contains 90% by mass or more of a polyester component, and most preferably consists of a single component of polyester.
- a polyester component is less than 90% by mass, fibers having different properties such as fiber strength and elongation are mixed, so that entanglement between the fibers tends to occur in some fibers. Therefore, pilling is likely to occur and the anti-pilling property is reduced.
- the polyester component is less than 90% by mass, the dye adsorption may be different depending on the fiber during dyeing, so that color unevenness is likely to occur and it is difficult to obtain an elegant appearance.
- the ultrafine fiber used in the present invention is preferably composed of polyester from the viewpoint of durability such as light resistance in actual use.
- the polyester include polyethylene terephthalate, polybutylene terephthalate, polytrimethylene terephthalate, and polylactic acid.
- polyethylene terephthalate is particularly preferably used because better durability can be obtained.
- the ultrafine fiber used in the present invention contains inorganic particles and silicone oil in the fiber.
- the content of the inorganic particles is in the range of 0.01 to 5% by mass with respect to 100% by mass of the ultrafine fiber. It is important that
- the content of inorganic particles is too small, sufficient anti-pilling properties cannot be exhibited.
- the content of inorganic particles is too large, not only fiber properties at a level suitable for practical use cannot be secured, but also the fibers of the raised parts are cut during the raising of the artificial leather surface, and the raised length is shortened. Napped hair cannot be formed.
- the content of the inorganic particles is too large, the filtration pressure increases due to coarse particles in which the particles are secondarily aggregated during spinning, and yarn breakage occurs, which makes spinning for a long time difficult. For this reason, the content of inorganic particles is preferably 0.1 to 3% by mass.
- the inorganic particles used in the present invention may be any particles that do not significantly affect the reaction rate as a catalyst in polyester polymerization.
- the inorganic particles may be at least one inorganic particle selected from the group consisting of calcium salts such as calcium carbonate, calcium chloride and calcium sulfate, silica and titanium oxide from the viewpoint of good dispersibility in polyester. preferable. Moreover, you may combine multiple these inorganic particles.
- the inorganic particles are preferably at least one inorganic particle selected from calcium carbonate, silica and titanium oxide.
- the average particle size of the inorganic particles used in the present invention is preferably 0.1 to 300 nm, more preferably 1 to 100 nm.
- the average particle diameter of the inorganic particles used in the present invention can be determined as follows. That is, 0.01 g of inorganic particles were collected, and a scanning electron microscope (SEM) or transmission electron microscope (TEM) photograph was taken at a magnification at which the shape of the inorganic particles can be determined from a magnification of 10,000 to 50,000 times, and randomly 100 particles are selected and the average particle size is calculated as the particle size of the inorganic particles.
- SEM scanning electron microscope
- TEM transmission electron microscope
- the inorganic particles include calcium carbonate particles having an average particle diameter of 50 nm (Calfine 200M manufactured by Maruo Calcium Co., Ltd.), ultra-high purity colloidal silica having an average particle diameter of 35 nm (PL-3 manufactured by Fuso Chemical Industries, Ltd.). And titanium oxide having an average particle size of 30 to 50 nm (TTO-55 manufactured by Ishihara Sangyo Co., Ltd.) are preferably used.
- the silicone oil used in the present invention may be any oil that has a main skeleton based on a siloxane bond.
- the substituent may be, for example, a polyether, an epoxy group, an amine, an alkyl group such as a carboxyl group or a methyl group, and a phenyl group.
- polydimethylsiloxane is preferably used as the silicone oil.
- a general-purpose silicone oil for example, polydimethylsiloxane oil (Toray Dow Corning SH200) can be used.
- polymethylphenylsiloxane oil having high heat resistance is preferably used.
- the heat-resistant silicone oil include heat-resistant methylphenyl silicone oil (KF-54 manufactured by Shin-Etsu Chemical Co., Ltd.), heat-resistant dimethyl silicone oil (SH510, Toray Dow Corning Co., Ltd., KF-965 manufactured by Shin-Etsu Chemical Co., Ltd.). KF-968) can be used.
- an alkyl-modified silicone oil (Toray Dow Corning, Inc. SF8416, BY16-846, SH203, SH230) can be used.
- the silicone oil prevents aggregation of inorganic particles in the polyester that preferably constitutes the ultrafine fibers, thereby forming ultrafine fibers in which the inorganic particles are uniformly dispersed. be able to. Therefore, when silicone is added and silicone is used in combination, the anti-pilling property can be improved with a small amount of inorganic particles, compared to the case where only ultrafine fibers contain inorganic particles. Further, by adding silicone, aggregation of inorganic particles can be prevented, so that yarn breakage is reduced, thereby improving spinnability and further improving the breaking strength of the fiber yarn.
- the content of silicone oil in the ultrafine fibers is 0.001 to 1 mass%, preferably 0.001 to 0.1 mass%, based on 100 mass% of the ultrafine fibers.
- the breaking strength of the ultrafine fibers is preferably in the range of 0.2 to 0.5 cN / ⁇ m.
- Examples of the elastic polymer used in the present invention include polyurethane resins, acrylic resins, and silicone resins, and these resins may be used in combination. Among them, in the present invention, a polyurethane resin is particularly preferably used as the polymer elastic body from the viewpoint of developing durability of the artificial leather.
- polyurethane resin used in the present invention one having a structure in which a polyol, a polyisocyanate, and a chain extender are appropriately reacted can be used.
- polyurethane resin both solvent-based and water-dispersed polyurethane resins can be used.
- polyurethane resins include other resins such as polyester resins, polyamide resins and polyolefin resins, acrylic resins, and resins such as ethylene-vinyl acetate resins, as long as the performance and texture as a binder are not impaired. May be included.
- Polyurethane resins are various additives such as pigments such as carbon black, flame retardants such as phosphorus, halogen and inorganic, antioxidants such as phenol, sulfur and phosphorus, benzotriazole, UV absorbers such as benzophenone, salicylate, cyanoacrylate and oxalic acid anilides, light stabilizers such as hindered amines and benzoates, hydrolysis stabilizers such as polycarbodiimide, plasticizers, antistatic agents, A surfactant, a coagulation adjusting agent, and a dye may be contained.
- pigments such as carbon black
- flame retardants such as phosphorus, halogen and inorganic
- antioxidants such as phenol, sulfur and phosphorus
- benzotriazole UV absorbers such as benzophenone, salicylate, cyanoacrylate and oxalic acid anilides
- light stabilizers such as hindered amines and benzoates
- hydrolysis stabilizers such as polycarbodiimi
- a solution type urethane resin (“Crisbon” (registered trademark) MP-812NB manufactured by DIC Corporation) or an aqueous type urethane resin (“Hydran” manufactured by DIC Corporation).
- “(Registered trademark) WLI-602) can be used as a commercially available polymer elastic body.
- the ratio (ratio) of the polymer elastic body to the artificial leather is preferably 10% by mass or more and 50% by mass or less, more preferably 15% by mass or more and 35% by mass or less. is there.
- the ratio (ratio) of the polymer elastic body is preferably 10% by mass or more and 50% by mass or less, more preferably 15% by mass or more and 35% by mass or less.
- the anti-pilling artificial leather of the present invention is an interior material having a very elegant appearance as a skin material such as a seat in a vehicle room such as an automobile, a train and an aircraft, such as furniture, chairs and wall materials, a ceiling, an interior, a shirt, Jackets, casual shoes, sports shoes, men's shoes, women's shoes, uppers and trims of shoes, bags, belts, wallets, etc., and clothing materials, wiping cloths, polishing cloths, and CD curtains used for some of them It can use suitably as industrial materials, such as.
- Examples of a method for adding inorganic particles and silicone oil to polyester that preferably constitutes ultrafine fibers include a method of adding inorganic particles and silicone oil during polymerization of polyester.
- a method of adding inorganic particles and silicone oil during polymerization of polyester For example, (A) a method in which polyester containing arbitrary inorganic particles and silicone oil is prepared in advance, and a polymerization reaction is performed using a raw material obtained by depolymerizing the polyester, and (B) arbitrary inorganic particles and silicone oil are terephthalated.
- the preferred method of adding inorganic particles and silicone oil to polyester is to prepare a polyester containing arbitrary inorganic particles and silicone oil in advance, and perform a polymerization reaction using a raw material obtained by depolymerizing the polyester. Is the method.
- the inorganic particles and the silicone oil are sufficiently stirred during the depolymerization and polymerization, and the inorganic particles and the silicone oil become compatible, so that the dispersibility of the inorganic particles in the polyester becomes very good.
- polyester containing arbitrary inorganic particles and silicone oil in advance from the viewpoint of reducing environmental impact, polyester used for fiber waste, film waste, PET bottles, etc. is recovered and recycled. It can be preferably used.
- silicone oil As a method for adding silicone oil to polyester, a method in which silicone oil is contained in ultrafine fibers by melt spinning a chip-coated polyester surface previously provided with silicone oil is also used.
- a method of directly obtaining the ultrafine fibers, a method of once creating an ultrafine fiber expression type fiber, and then expressing the ultrafine fibers can be employed.
- the latter method in which a fine fiber-expressing fiber is once prepared and then the ultrafine fiber is expressed is preferably used from the viewpoint that fineness can be easily obtained and the flexibility of the obtained artificial leather.
- a method in which a plurality of polymers having different solubilities are spun together to obtain fibers capable of expressing ultrafine fibers, and then a method of removing at least one kind of polymer to form ultrafine fibers is used. it can.
- Composite forms As a composite form when spinning such an ultrafine fiber expression type fiber, a side-by-side type composite form in which polymers are bonded to each other, or a sea-island type in which another polymer exists in an island shape in the polymer. Composite forms are preferably used.
- a polyolefin such as polyethylene or polystyrene, a copolymerized polyester obtained by copolymerizing sodium sulfoisophthalic acid or polyethylene glycol and the like, and polylactic acid are preferably used.
- the method of expressing the polyester microfibers varies depending on the type of component to be removed, but if the component to be removed is a polyolefin such as polyethylene or polystyrene, a method of performing extraction by immersion in an organic solvent such as toluene or trichlorethylene Is preferably used. In addition, if the component to be removed is a copolyester or polylactic acid with enhanced alkali solubility, a method of performing extraction by immersing in an aqueous alkali solution such as sodium hydroxide is preferably used.
- a polyolefin such as polyethylene or polystyrene
- an organic solvent such as toluene or trichlorethylene Is
- a copolyester or polylactic acid with enhanced alkali solubility a method of performing extraction by immersing in an aqueous alkali solution such as sodium hydroxide is preferably used.
- the sheet-like material may be a woven fabric, a knitted fabric, a nonwoven fabric made of short fibers, or a nonwoven fabric made of long fibers.
- a nonwoven fabric made of short fibers is preferably used.
- a method for obtaining a nonwoven fabric made of short fibers a method using a card machine or a cross wrapper, or a papermaking method can be employed.
- the nonwoven fabric obtained by these methods may be entangled with a needle punch or a water jet punch, or may be integrated with another woven fabric, knitted fabric and nonwoven fabric by entanglement or adhesion.
- Integral woven fabric, knitted fabric and non-woven fabric may also contain inorganic particles and silicone oil in the same manner as the ultrafine fibers.
- the fibers contained in the woven fabric, knitted fabric and non-woven fabric to be integrated may be exposed on the surface of the artificial leather, and the exposed fibers are different in properties from the ultrafine fibers, and thus tend to be pilled.
- the content of inorganic particles in the fibers used for the woven fabric, knitted fabric and nonwoven fabric to be integrated is preferably 0.1 to 3% by mass, as in the case of the ultrafine fibers, and the content of silicone oil is the ultrafine fibers. Similarly, it is preferably 0.001 to 1% by mass.
- the method of adding inorganic particles and silicone oil to the fibers include the same method as the method of adding inorganic particles and silicone oil to the ultrafine fibers.
- polyester fiber raw material raw material containing any inorganic particles and silicone oil in advance, from the viewpoint of reducing environmental impact, collect and reuse polyester used for fiber waste, film waste, PET bottles, etc. A method using the recycled material is preferably used.
- the anti-pilling artificial leather of the present invention it is possible to adopt a method of first forming an ultrafine fiber and then forming a sheet, or applying the above treatment after forming the ultrafine fiber-expressing fiber into a sheet. It is also possible to adopt a method for expressing ultrafine fibers.
- a method for applying a polymer elastic body to a sheet-like material As a method for applying a polymer elastic body to a sheet-like material, (a) a wet method in which a sheet-like material is impregnated with a polymer elastic body solution and further immersed in an aqueous solution or an organic solvent aqueous solution to solidify the polymer elastic body A solidification method, (b) a dry solidification method in which the polymer elastic body solution is impregnated and then dried and solidified; and (c) a method in which the polymer elastic body is thermally solidified by wet heat treatment after impregnating the molecular elastic body solution. Can be mentioned.
- N, N-dimethylformamide, dimethyl sulfoxide, methyl ethyl ketone, water, and the like can be used as the solvent used in the polymer elastic body solution.
- a pigment, an ultraviolet absorber, an antioxidant, and the like can be added to the polymer elastic body solution as necessary.
- At least one surface of the artificial leather is raised to form a fiber raised surface.
- various methods such as buffing with sandpaper or raising treatment can be used.
- applying an antistatic agent before forming the fiber raised surface tends to make it difficult for the grinding powder generated from the artificial leather by sanding to accumulate on the sandpaper, which is a preferred embodiment.
- applying silicone or the like as a lubricant before forming the fiber raised surface makes it possible to easily raise the surface by surface grinding, and the surface quality is very good.
- the breaking strength of the ultrafine fiber becomes weak, the ultrafine fiber is cut during the napping process, and the nap is not formed well, so the nap length is shortened. Further, when the napped length is shortened, it is difficult to obtain an elegant overview. Further, if the napped length is too long, pilling tends to occur. Therefore, the napped length is preferably 0.20 mm or more and 1.00 mm or less.
- the anti-pilling artificial leather of the present invention can be dyed.
- a liquid dyeing machine it is preferable to use a liquid dyeing machine because the artificial leather can be further softened by dyeing the artificial leather and at the same time giving a stagnation effect.
- a normal liquid dyeing machine can be used. If the dyeing temperature is too high, the elastic polymer may be deteriorated. On the other hand, if the dyeing temperature is too low, the dyeing to the fiber becomes insufficient.
- the dyeing temperature is generally preferably 80 ° C. or higher and 150 ° C. or lower, more preferably 110 ° C. or higher and 130 ° C. or lower. When dyed with disperse dyes, reduction washing may be performed after dyeing.
- the artificial leather may be treated with a finishing agent such as a softener such as silicone, an antistatic agent, a water repellent, a flame retardant, a light proofing agent, a deodorant and an antipilling agent.
- a finishing agent such as a softener such as silicone, an antistatic agent, a water repellent, a flame retardant, a light proofing agent, a deodorant and an antipilling agent.
- Such finishing treatment may be performed after dyeing or in the same bath as dyeing.
- the evaluation method is as follows.
- appearance quality of artificial leather As for appearance quality of artificial leather, the number of healthy adult males and 10 adult females was evaluated by visual and sensory evaluations as follows, with 20 people each as an evaluator. The evaluation was the appearance quality. Third grade: The fiber is well dispersed and the appearance is also good. Second grade: The fiber dispersion state is poor or the appearance is poor. First grade: The fiber dispersion state is poor overall and the appearance is poor.
- Number of yarn breaks As an evaluation of spinnability, the number of yarn breaks that occurred in 24 hours of melt spinning was defined as the number of yarn breaks.
- Example 1 Polyethylene terephthalate containing 5.0% by mass of calcium carbonate having an average particle size of 50 nm and 0.4% by mass of silicone oil containing polymethylphenylsiloxane as a component was depolymerized.
- Esters 100 parts by weight of terephthalic acid containing calcium carbonate and silicone, 75 parts by weight of sufficiently stirred ethylene glycol slurry, 0.05 parts by weight of magnesium acetate and 0.04 parts by weight of antimony trioxide as a reaction catalyst Prepared for an exchange can. Next, this was gradually heated from a temperature of 150 ° C. to a temperature of 250 ° C. in a nitrogen atmosphere, and a transesterification reaction was carried out while extracting the produced methanol. Then, it heated up to the temperature of 280 degreeC, reducing pressure gradually, and superposed
- sea-island fibers were melt-spun using 45 parts by mass of polystyrene as a sea component and 55 parts by mass of polyethylene terephthalate containing calcium carbonate and silicone as island components.
- the obtained sea-island type fiber was in a form in which 36 island components were contained in one filament, and the single fiber diameter was 16 ⁇ m. No yarn breakage occurred within 24 hours from the start of spinning.
- a fiber laminated web was prepared by carding and cross wrapping using staples obtained by cutting sea-island fibers to a fiber length of 51 mm. Subsequently, 100 / cm ⁇ 2 > needle punch was given to the produced fiber laminated web, and it was set as the pre-entangled nonwoven fabric.
- a plain woven polyester scrim with a basis weight of 75 g / m 2 was placed on both sides of the obtained pre-entangled nonwoven fabric, and 2500 needles / cm 2 of needle punching was performed with a felt needle to form a nonwoven fabric with a basis weight of 650 g / m 2 .
- the nonwoven fabric thus obtained was subjected to hot water shrinkage at a temperature of 96 ° C. and then impregnated with an aqueous polyvinyl alcohol solution. Subsequently, the sheet-like material which gave the polyvinyl alcohol so that the polyvinyl alcohol mass with respect to the island component weight of a nonwoven fabric might be 45 mass% by hot-air drying for 10 minutes at the temperature of 125 degreeC of drying temperature was obtained. The sea-like component was dissolved and removed from the sheet-like material thus obtained in trichlorethylene to obtain a sea removal sheet in which ultrafine fibers were entangled.
- the seawater-free sheet-like product obtained from ultrafine fibers was impregnated with an ether-based polyurethane resin DMF (N, N-dimethylformamide) solution adjusted to a solid concentration of 12% by mass, and in an aqueous solution having a DMF concentration of 30% by mass.
- the polyurethane was coagulated. Thereafter, polyvinyl alcohol and DMF were removed with hot water and dried with hot air at a temperature of 120 ° C. for 10 minutes to give a polyurethane resin so that the mass of the polyurethane resin relative to the mass of the polyester component of the nonwoven fabric was 30% by mass.
- a sheet was obtained.
- the obtained sheet-like material was cut in half in the thickness direction, and the half-cut surface was brushed by grinding using a 240 mesh endless sandpaper. Then, it dye
- the ratio of the polyester microfiber to the fiber contained in the obtained artificial leather was 60% by mass, and the single fiber diameter was 4.4 ⁇ m.
- the content of calcium carbonate in the polyester microfiber was 1.0% by mass, and the content of silicone oil was 0.08% by mass.
- the breaking strength of the polyester microfiber was 0.42 cN / ⁇ m.
- the pilling evaluation of the obtained artificial leather was grade 4-5, the appearance quality was grade 4, and the average napped length was 0.31 mm. There was no occurrence of yarn breakage during spinning.
- the composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Examples 2 to 4 Artificial leather was obtained in the same manner as in Example 1 except that the kind of inorganic particles to be added, the amount of inorganic particles, and the amount of silicone oil added were changed as shown in Table 1. The composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Example 5 100 parts by mass of dimethyl terephthalic acid, 75 parts by mass of ethylene glycol slurry containing 0.3% by mass of calcium carbonate having an average particle diameter of 50 nm and 0.03% by mass of polymethylphenylsiloxane oil and sufficiently stirred, and as a reaction catalyst 0.05 mass parts of magnesium acetate and 0.04 mass parts of antimony trioxide were charged into a transesterification can. Subsequently, it was gradually heated to a temperature of 150 ° C. to 250 ° C. in a nitrogen atmosphere, and a transesterification reaction was performed while extracting the produced methanol. Then, artificial leather was obtained in the same manner as in Example 1 except that the temperature was raised to 280 ° C. while gradually reducing the pressure and polymerization was performed for 2 hours to obtain a calcium carbonate-containing polyethylene terephthalate chip.
- the composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Example 6 As a sea component, 45 parts by mass of polyethylene terephthalate copolymerized with 8 mol% of sodium 5-sulfoisophthalate, and as an island component, 5.0% by mass of calcium carbonate having an average particle diameter of 50 nm as in Example 1 and polymethylphenyl Sea-island fibers were melt-spun using 55 parts by mass of polyethylene terephthalate containing 0.4% by mass of silicone oil containing siloxane as a component. The obtained sea-island type fiber was in a form in which 36 island components were contained in one filament, and the single fiber diameter was 16 ⁇ m.
- a fiber laminated web was formed by carding and cross wrapping, and a needle punch of 100 / cm 2 was applied to make a pre-entangled nonwoven fabric.
- a plain woven polyester scrim with a basis weight of 75 g / m 2 was overlapped on both surfaces of the obtained pre-entangled nonwoven fabric, and 2500 needles / cm 2 of needle punching was performed with a felt needle to form a nonwoven fabric with a basis weight of 650 g / m 2 .
- the nonwoven fabric thus obtained was subjected to hot water shrinkage at a temperature of 80 ° C., and then dried with hot air at a drying temperature of 125 ° C. for 10 minutes.
- the obtained non-woven fabric was impregnated with an ether-based water-dispersed polyurethane solution adjusted to a solid content concentration of 12% by mass and dried in hot air at a drying temperature of 120 ° C. for 10 minutes to solidify the polyurethane.
- the obtained sheet-like material is immersed in a 15 g / L sodium hydroxide aqueous solution heated to a temperature of 80 ° C. and treated for 30 minutes to remove the sea component of the sea-island fiber, and the polyester component of the nonwoven fabric.
- a seawater-removed sheet-like material provided with a polyurethane resin so that the mass of polyurethane relative to the mass was 30% by mass was obtained.
- the resulting sea removal sheet-like material is cut in half in the thickness direction, and the half-cut surface is brushed by grinding using 240 mesh endless sandpaper, then dyed with a disperse dye in a circular dyeing machine, Obtained.
- the ratio of the polyester microfiber to the fiber contained in the obtained artificial leather was 60% by mass, and the single fiber diameter was 4.4 ⁇ m.
- the content of calcium carbonate in the polyester microfiber was 1.0% by mass, and the content of silicone was 0.08% by mass.
- the composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Example 7 to 9 Artificial leather was obtained in the same manner as in Example 1 except that the amount of inorganic particles to be added and the amount of silicone oil added were changed.
- the composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Example 10 Artificial leather was obtained in the same manner as in Example 1 except that the island component in one filament of the sea-island fiber obtained in the same manner as in Example 1 was 200 islands. The single fiber diameter of the fiber contained in the obtained artificial leather was 0.5 ⁇ m. The composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Example 11 Artificial leather was obtained in the same manner as in Example 1 except that the island component in one filament of the sea-island fiber obtained in the same manner as in Example 1 was changed to 8 islands.
- the single fiber diameter of the fiber contained in the obtained artificial leather was 9.5 ⁇ m.
- the composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Example 12 Artificial leather was obtained in the same manner as in Example 1 except that the composition ratio of the ultrafine fibers was changed as shown in Table 1. The results are shown in Table 1. That is, using a polyethylene terephthalate chip and a 6-nylon chip obtained by the same method as in Example 1, each was melted separately using an extruder, and then merged in the base, and the discharge amount per single hole was 2 g. / Min and discharged from a hollow die, and pulled at a high speed at an ejector pressure of 343 kPa (3.5 kg / cm 2 ).
- a high voltage is applied at ⁇ 30 kV, collides with a dispersion plate together with an air flow, the filament is opened, and peeled split composite long fibers having a 16-split multi-layer laminating cross section (fiber diameter 16.7 ⁇ m, hollow As a fiber web composed of 4%), the fiber web was collected with a gathering net conveyor at a basis weight of 41 g / m2.
- the obtained fiber web was lightly heat-bonded continuously using an embossing calendar at a temperature of 100 ° C. up and down, 16 fiber webs were laminated using a cross layer, and entangled with a needle punch. Then, after immersing in water and lightly squeezing with a mangle, the composite fiber was subjected to a split ultrafine fiber treatment using a sheet-type impact squeezing machine to form a nonwoven fabric having a basis weight of 650 g / m 2 . Polyurethane was applied to the nonwoven fabric thus obtained in the same manner as in Example 1, and half-cutting, raising treatment and dyeing were performed to obtain artificial leather. The single fiber diameter of the fiber contained in the obtained artificial leather was 8.2 ⁇ m. The composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Example 13 A plain woven polyester scrim made of polyethylene terephthalate containing 1% by mass of calcium carbonate and 0.08% by mass of silicone oil was used in place of the plain woven polyester scrim superimposed on both sides of the pre-entangled nonwoven fabric used in Example 1. Obtained artificial leather in the same manner as in Example 1. The composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Example 4 Artificial leather was obtained in the same manner as in Example 1 except that the kind of inorganic particles to be added, the amount of inorganic particles, and the amount of silicone oil added were changed. The obtained artificial leather had a large amount of inorganic particles, so that the length of napping was short and the appearance was poor.
- the composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- Example 5 Artificial leather was obtained in the same manner as in Example 1 except that the composition ratio of the ultrafine fibers was changed as shown in Table 1.
- the obtained artificial leather had many fine fibers other than polyester, and entanglement between different fibers occurred. Therefore, the pilling evaluation was third grade. Moreover, the color unevenness was strong and the appearance evaluation was 2.5 grade.
- the composition of the artificial leather is shown in Table 1, and the performance evaluation results are shown in Table 2.
- the ratio in “Ultrafine fiber polymer composition” in Table 1 is mass%.
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Abstract
Description
(1)極細繊維中の無機粒子の含有量
人工皮革表面の立毛部から得られた極細繊維を溶剤等で溶解(ポリエチレンテレフタレートの場合は、オルトクロロフェノールを使用する。)し、濾過して不溶解分である無機粒子を採取した。採取した無機粒子を蛍光X線分析し、構成元素を特定すると共に、無機元素量の強度を標準物質から得られた検量線と比較して定量した。また、X線回折分析を行い、標準サンプルデータとの比較から、無機物質を同定した。
人工皮革表面の立毛部から得られた極細繊維について、29Siプローブによる固体NMR分析を行い、標準物質との比較から、シリコーンオイルの同定と含有量を算出した。
JIS-L1013(1999年)に従い、溶融紡糸後の海島繊維から海成分を取り除き、極細繊維を発現させて破断強度を測定した。次いで、ポリマー密度より繊維直径あたりの強度に換算した。
マーチンデール摩耗試験機として、James H.Heal&Co.製のModel 406を、標準摩擦布として同社のABRASTIVE CLOTH SM25を用い、人工皮革試料に12kPa相当の荷重をかけ、摩耗回数20,000回の条件で摩擦させた後の人工皮革の外観を目視で観察し、評価した。評価基準は、人工皮革の外観が摩擦前と全く変化が無かったものを5級とし、毛玉が多数発生したものを1級とし、その間を0.5級ずつに区切った。
人工皮革の概観品位は、健康な成人男性と成人女性各10名ずつ、計20名を評価者として、目視と官能評価によって下記のように評価し、最も多かった評価を外観品位とした。
3級:繊維の分散状態が良好で、外観も良好である。
2級:繊維の分散状態が悪い、または外観が不良である。
1級:全体的に繊維の分散状態が悪い、かつ外観が不良である。
人工皮革を直径2cmの円柱に人工皮革を巻きつけ、側面から光を照射し、光の対面から写真を撮影した。その人工皮革から立ち上がっている立毛部分のそれぞれの長さをスケールにより測定し、平均値を算出した。撮影箇所を変更し、100枚の写真について測定した平均値を立毛長とした。
紡糸性の評価として、溶融紡糸24時間で発生した糸切れの回数を糸切れ回数とした。
平均粒子径50nmの炭酸カルシウム5.0質量%とポリメチルフェニルシロキサンを成分とするシリコーンオイル0.4質量%を含むポリエチレンテレフタレートを解重合した。得られた炭酸カルシウムとシリコーンを含有するテレフタル酸100質量部と、十分に攪拌したエチレングリコールスラリー75質量部と、反応触媒として酢酸マグネシウム0.05質量部および三酸化アンチモン0.04質量部をエステル交換缶に仕込んだ。次いで、これをチッソ雰囲気下で150℃の温度から250℃の温度に徐々に加熱し、生成するメタノールを抽出しつつエステル交換反応を行った。その後、徐々に減圧しつつ280℃の温度まで昇温して2時間重合し、炭酸カルシウムおよびシリコーンを含有するポリエチレンテレフタレートチップを得た。
添加する無機粒子の種類、無機粒子量およびシリコーンオイルの添加量を、表1のとおり変更したこと以外は、実施例1と同様の方法で人工皮革を得た。人工皮革の構成を表1に、性能評価結果を表2に示す。
ジメチルテレフタル酸100質量部と、平均粒子径50nmの炭酸カルシウムを濃度0.3質量%とポリメチルフェニルシロキサンオイル0.03質量%含有し十分に攪拌したエチレングリコールスラリー75質量部と、反応触媒として酢酸マグネシウム0.05質量部および三酸化アンチモン0.04質量部を、エステル交換缶に仕込んだ。次いで、チッソ雰囲気下で150℃から250℃の温度に徐々に加熱し、生成するメタノールを抽出しつつエステル交換反応を行った。その後、徐々に減圧しつつ280℃の温度まで昇温して2時間重合し、炭酸カルシウム含有ポリエチレンテレフタレートチップを得たこと以外は、実施例1と同様の方法で人工皮革を得た。人工皮革の構成を表1に、性能評価結果を表2に示す。
海成分として、5-スルホイソフタル酸ナトリウムを8mol%共重合したポリエチレンテレフタレートを45質量部と、島成分として、実施例1と同様の平均粒子径50nmの炭酸カルシウム5.0質量%とポリメチルフェニルシロキサンを成分とするシリコーンオイル0.4質量%を含むポリエチレンテレフタレートを55質量部用いて、海島繊維を溶融紡糸した。得られた海島型繊維は、1フィラメント中に島成分が36島含まれる形態であり、単繊維直径は16μmであった。この海島型繊維を繊維長51mmにカットして得られたステープルを用いて、カーディングおよびクロスラッパーによって繊維積層ウェブとしたものに、100本/cm2のニードルパンチを施し予備絡合不織布とした。得られた予備絡合不織布両面に目付75g/m2の平織ポリエステルスクリムを重ね、フェルト針で2500本/cm2のニードルパンチを行い、目付650g/m2の不織布を形成した。
添加する無機粒子量とシリコーンオイルの添加量を変更したこと以外は、実施例1と同様の方法で人工皮革を得た。人工皮革の構成を表1に、性能評価結果を表2に示す。
実施例1と同様にして得られた海島型繊維の1フィラメント中の島成分を200島としたこと以外は、実施例1と同様の方法で人工皮革を得た。得られた人工皮革に含まれる繊維の単繊維直径は0.5μmであった。人工皮革の構成を表1に、性能評価結果を表2に示す。
実施例1と同様にして得られた海島型繊維の1フィラメント中の島成分を8島としたこと以外は、実施例1と同様の方法で人工皮革を得た。得られた人工皮革に含まれる繊維の単繊維直径は9.5μmであった。人工皮革の構成を表1に、性能評価結果を表2に示す。
極細繊維の組成比率を表1のとおり変更したこと以外は、実施例1と同様の方法で人工皮革を得た。結果を表1に示す。
すなわち、実施例1と同様の方法で得られたポリエチレンテレフタレートチップと6-ナイロンチップを用いて、それぞれ別々にエクストルーダーを用いて溶融後、口金内で合流させ、単孔当たりの吐出量を2g/分にして中空口金より吐出し、エジェクター圧力343kPa(3.5kg/cm2 )にて高速牽引した。その後、-30kVで高電圧印加処理し、空気流と共に分散板に衝突させ、フィラメントを開繊し、16分割の多層貼合せ型断面をもつ剥離分割型複合長繊維(繊維直径16.7μm、中空率は4%)からなる繊維ウェブとして、補集ネットコンベアーで目付41g/m2で補集した。
実施例1で用いた予備絡合不織布の両面に重ねた平織ポリエステルスクリムに代えて、炭酸カルシウム1質量%とシリコーンオイル0.08質量%を含有するポリエチレンテレフタレートからなる平織りポリエステルスクリムを用いたこと以外は、実施例1と同様の方法で人工皮革を得た。人工皮革の構成を表1に、性能評価結果を表2に示す。
無機粒子および/またはシリコーンオイルを含まないポリエステル用いたこと以外は、実施例1と同様の方法で人工皮革を得た。比較例1では、無機粒子もシリコーンオイルも含まないため、ピリング評価が2級であった。比較例2では、シリコーンオイルを含まないため、立毛長が短く概観が不良であった。比較例3では、無機粒子を含まないため、ピリング評価が2級であった。人工皮革の構成を表1に、性能評価結果を表2に示す。
添加する無機粒子の種類、無機粒子量およびシリコーンオイルの添加量を変更したこと以外は、実施例1と同様の方法で人工皮革を得た。得られた人工皮革は、無機粒子含有量が多いため、立毛長が短く概観が不良であった。人工皮革の構成を表1に、性能評価結果を表2に示す。
極細繊維の組成比率を表1のとおり変更したこと以外は、実施例1と同様の方法で人工皮革を得た。得られた人工皮革は、ポリエステル以外の極細繊維が多く異繊維同士の絡まりが発生したため、ピリング評価が3級となった。また、色ムラが強く概観評価が2.5級であった。人工皮革の構成を表1に、性能評価結果を表2に示す。
Claims (4)
- 単繊維直径が0.3~10μmの極細繊維と高分子弾性体を含み、前記極細繊維からなる立毛を有するシート状物であって、前記極細繊維が、極細繊維100質量%に対し0.01~5質量%の無機粒子と、極細繊維100質量%に対し0.001~1質量%のシリコーンオイルを含有することを特徴とする抗ピリング性人工皮革。
- 極細繊維がポリエステル極細繊維を90質量%以上含むことを特徴とする請求項1記載の抗ピリング性人工皮革。
- 極細繊維がポリエステル極細繊維を100質量%含むことを特徴とする請求項1記載の抗ピリング性人工皮革。
- 無機粒子が、カルシウム塩、シリカおよび酸化チタンからなる群から選ばれた少なくとも1つの無機粒子であることを特徴とする請求項1または2記載の抗ピリング性人工皮革。
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US13/393,710 US9394630B2 (en) | 2009-09-03 | 2010-08-30 | Pilling-resistant artificial leather |
CN201080039595.1A CN102482843B (zh) | 2009-09-03 | 2010-08-30 | 抗起毛起球性人造皮革 |
EP10813681.3A EP2474663B1 (en) | 2009-09-03 | 2010-08-30 | Pilling-resistant artificial leather |
KR1020127005635A KR101658265B1 (ko) | 2009-09-03 | 2010-08-30 | 항필링성 인공 피혁 |
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EP (1) | EP2474663B1 (ja) |
JP (1) | JP5445402B2 (ja) |
KR (1) | KR101658265B1 (ja) |
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US9605126B2 (en) | 2013-12-17 | 2017-03-28 | Eastman Chemical Company | Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion |
WO2018110280A1 (ja) * | 2016-12-13 | 2018-06-21 | 株式会社クラレ | 立毛調人工皮革、ポリエステル繊維、及び不織布 |
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Also Published As
Publication number | Publication date |
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EP2474663A4 (en) | 2013-07-03 |
JP5445402B2 (ja) | 2014-03-19 |
CN102482843B (zh) | 2014-06-18 |
US9394630B2 (en) | 2016-07-19 |
EP2474663A1 (en) | 2012-07-11 |
CN102482843A (zh) | 2012-05-30 |
JP2011074558A (ja) | 2011-04-14 |
EP2474663B1 (en) | 2014-05-14 |
US20120156416A1 (en) | 2012-06-21 |
KR101658265B1 (ko) | 2016-09-22 |
KR20120058534A (ko) | 2012-06-07 |
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