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WO2015166659A1 - Cuir artificiel ignifuge et son procédé de production - Google Patents

Cuir artificiel ignifuge et son procédé de production Download PDF

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Publication number
WO2015166659A1
WO2015166659A1 PCT/JP2015/002268 JP2015002268W WO2015166659A1 WO 2015166659 A1 WO2015166659 A1 WO 2015166659A1 JP 2015002268 W JP2015002268 W JP 2015002268W WO 2015166659 A1 WO2015166659 A1 WO 2015166659A1
Authority
WO
WIPO (PCT)
Prior art keywords
synthetic leather
flame
pigment
polyurethane resin
base material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2015/002268
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English (en)
Japanese (ja)
Inventor
不二陽 吉村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiren Co Ltd
Original Assignee
Seiren Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiren Co Ltd filed Critical Seiren Co Ltd
Priority to JP2016515863A priority Critical patent/JP6623152B2/ja
Publication of WO2015166659A1 publication Critical patent/WO2015166659A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes

Definitions

  • the present invention relates to a synthetic leather having high flame retardancy and particularly suitably used as an interior material and a vehicle interior material, and a method for producing the same.
  • synthetic leather has been used as a substitute for natural leather, or as a leather material with better physical properties than natural leather, for various uses such as clothing, bags, shoes, interior materials, and vehicle interior materials. Yes.
  • interior materials and vehicle interior materials are strictly regulated in consideration of human damage in the event of a fire, and synthetic leather is required to have high flame retardance that satisfies this standard.
  • Synthetic leather is generally known as having a state in which a skin layer made of polyurethane resin is laminated on a fibrous base material.
  • a method of making the synthetic leather flame-retardant there are cases where each layer constituting the synthetic leather (for example, a fibrous base material, a polyurethane resin layer, and an adhesive layer is provided between the fibrous base material and the polyurethane resin layer).
  • a method of making at least one flame retardant Patent Documents 1 to 4
  • a method of newly providing a flame retardant layer Patent Document 5
  • An object of the present invention is to provide a synthetic leather having good flame retardancy, which does not cause a decrease in flame retardancy when a yellow pigment is blended.
  • the present inventor has found that the decrease in flame retardancy caused by the color of synthetic leather, particularly in the case of a color in which many yellow pigments are blended, such as beige and brown, is caused by the yellow pigment.
  • hydrous iron oxide is generally used as a yellow pigment for synthetic leather. Since iron oxide itself is also used as a flame retardant, it does not inhibit flame retardancy. However, since iron oxide is highly oil-absorbing, the skin layer containing it has a high viscosity in the molten state, and the ignition part is less likely to drop during combustion (the fire type is less likely to fall down). This has found that flame retardancy is inhibited.
  • the hydrous iron oxide undergoes a dehydration reaction at 200 to 300 ° C., and depending on the type of flame retardant used in combination, particularly in the type that imparts flame retardancy by charring at 400 to 600 ° C., It was also found that the endothermic effect of the dehydration reaction hinders char formation and inhibits flame retardancy.
  • charring means carbonization of the flame contact portion of the resin. The present embodiment is based on such knowledge.
  • the skin layer is a composite oxide containing titanium oxide as a yellow pigment.
  • a flame-retardant synthetic leather characterized by containing a pigment is a composite oxide containing titanium oxide as a yellow pigment.
  • the composite oxide pigment containing titanium oxide includes titanium oxide together with one or two metals selected from the group consisting of antimony, nickel, chromium, iron, zinc, molybdenum, tungsten, and niobium It is preferable that
  • This embodiment is secondly a method for producing a flame-retardant synthetic leather obtained by laminating a skin layer made of a polyurethane resin on a fibrous base material, and a composite oxide pigment containing titanium oxide as a yellow pigment
  • the polyurethane resin composition mixed with (1) is applied to a fibrous base material, or (2) is applied onto a releasable base material, and the fibrous base material is bonded to the coated surface.
  • This is a method for producing a flame-retardant synthetic leather.
  • the flame-retardant synthetic leather according to the present embodiment is a flame-retardant synthetic leather obtained by laminating a skin layer made of polyurethane resin on a fibrous base material, and a composite containing titanium oxide as a yellow pigment in the skin layer. It contains an oxide pigment (hereinafter also referred to as a complex oxide yellow pigment).
  • the fibrous base material used in the present embodiment is not particularly limited, and examples thereof include fabrics such as woven fabrics, knitted fabrics, and nonwoven fabrics, and natural leather (including floor leather).
  • the material of the fibers constituting the fibrous base material is not particularly limited, and examples thereof include conventionally known fibers such as natural fibers, regenerated fibers, semi-synthetic fibers, and synthetic fibers. It may be combined. Of these, synthetic fibers are preferable and polyester fibers are more preferable from the viewpoints of strength and processability.
  • the fibrous base material may be colored with a dye or a pigment.
  • the dye and pigment used for coloring are not specifically limited, When using a yellow pigment, it is preferable to use the complex oxide pigment containing a titanium oxide like a skin layer.
  • a flame retardant material may be used as the fiber base material.
  • the method of flame retardancy is not particularly limited.
  • a flame retardant may be attached. It does not specifically limit as a flame retardant,
  • a phosphorus flame retardant can be used.
  • the phosphorus-based flame retardant include ammonium polyphosphate, aluminum phosphate, phosphate ester, guanidine phosphate, and organic phosphine oxide. These may be used alone or in combination of two or more. Can be used.
  • the flame-retardant synthetic leather according to this embodiment is obtained by laminating a skin layer made of a polyurethane resin as a resin layer on the above-described fibrous base material.
  • the polyurethane resin used for forming the skin layer is not particularly limited, and examples thereof include a polyether-based polyurethane resin, a polyester-based polyurethane resin, and a polycarbonate-based polyurethane resin. These can be used alone or in combination of two or more. Of these, polycarbonate polyurethane resins are preferred from the viewpoints of flame retardancy, abrasion resistance and light resistance. Polycarbonate-based polyurethane resin forms a relatively large amount of char (carbide) during combustion and covers the surface, so the supply of cracked gas generated inside the resin to the combustion field and the supply of oxygen from the outside to the combustion field By blocking, flame retardancy can be imparted.
  • char carbide
  • a flame retardant effect may be exhibited by adding a phosphorus-based flame retardant to the polyurethane resin. That is, the skin layer made of a polyurethane resin may contain a flame retardant such as a phosphorus flame retardant.
  • a flame retardant such as a phosphorus flame retardant.
  • the phosphorus-based flame retardant for example, at least one selected from the group consisting of ammonium polyphosphate salt, aluminum phosphate salt, phosphate ester, guanidine phosphate, and organic phosphine oxide is used. be able to.
  • the form of the polyurethane resin can be used regardless of whether it is solventless, hot-melt, solvent-based, water-based, etc., and it can be used regardless of one-pack type or two-pack curable type. can do.
  • a composite oxide pigment containing titanium oxide as a main component that is, a composite oxide yellow pigment containing titanium oxide is used as a yellow pigment.
  • the pigment other than the yellow pigment is not particularly limited.
  • content of this complex oxide yellow pigment is suitably set by the color calculated
  • a composite oxide pigment mainly composed of titanium oxide is used as the yellow pigment for the skin layer.
  • the skin layer containing such a titanium oxide-based composite oxide yellow pigment does not have a high viscosity in the molten state, and the ignition part tends to drop during combustion, so that it has excellent flame retardancy. Moreover, since it can prevent preventing charring, it is excellent in flame retardancy.
  • the composite oxide yellow pigment one or more selected from the group consisting of titanium oxide (more specifically, titanium dioxide) and selected from the group consisting of antimony, nickel, chromium, iron, zinc, molybdenum, tungsten, and niobium
  • titanium oxide more specifically, titanium dioxide
  • antimony nickel, chromium, iron, zinc, molybdenum, tungsten, and niobium
  • chromium titanium yellow examples include Ti—Cr—Sb, Ti—Cr—W, and Ti—Cr—Nb, and any one or a combination of two or more may be used.
  • the Ti—Cr—Sb system is a complex oxide pigment in which a part of tetravalent titanium ions in the crystal lattice of titanium oxide is substituted with pentavalent antimony ions and trivalent chromium ions.
  • the above complex oxide yellow pigments can be used alone or in combination of two or more.
  • the complex oxide pigment which has titanium oxide as a main component and contains iron it is important that it is the content which does not inhibit the effect of this embodiment.
  • the viscosity of the complex oxide yellow pigment at a measurement temperature of 23 ° C. is preferably 500 to 10,000 mPa ⁇ s, more preferably 1,000 to 5,000 mPa ⁇ s.
  • the viscosity is 500 mPa ⁇ s or more, the storage stability of the pigment is improved.
  • the viscosity is 10,000 mPa ⁇ s or less, the skin layer containing this is less likely to have a high viscosity in the molten state, and the ignited portion is likely to drop during combustion, thereby providing excellent flame retardancy.
  • the viscosity of the composite oxide yellow pigment is determined at a measurement temperature of 23 ° C. of a pigment liquid having a solid content concentration (pigment concentration) of 35 mass% using dimethylformamide (hereinafter referred to as DMF) as a dispersion medium. Viscosity, measured as follows. That is, when the solid content concentration of the pigment liquid used is 35% by mass, the viscosity of the pigment liquid is measured as it is. In this type of pigment product (pigment liquid), since the dispersion medium is mainly DMF, if the solid content concentration of the pigment liquid is 35% by mass, the viscosity may be measured as it is.
  • DMF dimethylformamide
  • the solid content concentration exceeds 35% by mass, it is diluted with DMF as a dispersion medium.
  • the dispersion medium DMF
  • the solid content concentration is less than 35% by mass, the dispersion medium (DMF) is vaporized so that the solid content concentration becomes 35% by mass.
  • the viscosity of the obtained pigment solution is measured.
  • the viscosity is measured using a BM viscometer (rotor: No. 3, 12 rpm, 23 ° C.).
  • the PVI (Printing Viscosity Index) value of the complex oxide yellow pigment at a measurement temperature of 23 ° C. is preferably 0.3 to 0.8, more preferably 0.3 to 0.6.
  • the skin layer containing the PVI value is less likely to have a high viscosity in the molten state, and the ignition part is likely to drop during combustion, so that the flame retardancy is excellent.
  • the PVI value is 0.8 or less, the color stability is good (color unevenness is eliminated).
  • the PVI value of the composite oxide yellow pigment is a PVI value at a measurement temperature of 23 ° C. of a pigment liquid having a solid content concentration of 35 mass% using DMF as a dispersion medium, and is measured as follows. . That is, when the solid content concentration of the pigment liquid used is 35% by mass, the viscosity of the pigment liquid is measured as it is. On the other hand, when the solid content concentration exceeds 35% by mass, it is diluted with DMF as a dispersion medium. When the solid content concentration is less than 35% by mass, the dispersion medium (DMF) is vaporized so that the solid content concentration becomes 35% by mass. After preparing the liquid, the viscosity of the obtained pigment liquid is measured.
  • DMF dispersion medium
  • the viscosity is measured using a BM type viscometer (rotor: No. 3, 23 ° C.) at rotation speeds of 6 rpm and 60 rpm, and the PVI value is calculated using the following equation.
  • PVI value (viscosity at 60 rpm [mPa ⁇ s]) ⁇ (viscosity at 6 rpm [mPa ⁇ s])
  • the skin layer if necessary, within the range that does not impair the effects of the present embodiment, conventionally known additives such as urethanization catalysts, crosslinking agents, heat stabilizers, light stabilizers, thermoplastic resins, heat Curable resin, dye, pigment, moisture permeability improver, water repellent, oil repellent, hollow foam, water absorbent, moisture absorbent, deodorant, defoamer, antifungal agent, antiseptic, pigment dispersant, blocking An inhibitor, a hydrolysis inhibitor, a leveling agent, etc. can be used.
  • the thickness of the skin layer is not particularly limited, and may be 10 to 50 ⁇ m, for example.
  • a skin layer made of a polyurethane resin is laminated as a resin layer on the above-described fibrous base material.
  • a skin layer made of a polyurethane resin is laminated on at least one surface of a fibrous base material directly or via an adhesive layer.
  • the adhesive layer is preferably made of a polycarbonate-based polyurethane resin from the viewpoint of flame retardancy.
  • the adhesive layer may contain a flame retardant such as a phosphorus flame retardant.
  • the thickness of the adhesive layer is not particularly limited and may be, for example, 50 to 300 ⁇ m.
  • the flame retardant synthetic leather according to this embodiment may contain a flame retardant such as a phosphorus flame retardant.
  • the flame retardant can be contained in one or more of the layers constituting the synthetic leather.
  • the synthetic leather when the synthetic leather is composed of a fibrous base material and a skin layer, it can be contained in either or both of the fibrous base material and the skin layer, and the synthetic leather is bonded to the fibrous base material and the skin layer.
  • it consists of layers, it can be contained in one or more of the fibrous base material, the skin layer and the adhesive layer.
  • the content of the flame retardant is not particularly limited.
  • the amount of the flame retardant attached to the fibrous base material may be 5 to 20% by mass.
  • the flame retardant When applied to the skin layer, the flame retardant may be added in an amount of 5 to 40 parts by mass with respect to 100 parts by mass (solid content) of the polyurethane resin forming the skin layer.
  • the flame retardant When applied to the adhesive layer, the flame retardant may be added in an amount of 5 to 40 parts by mass with respect to 100 parts by mass (solid content) of the polyurethane resin forming the adhesive layer.
  • the manufacturing method includes a step of preparing a polyurethane resin composition in which a composite oxide pigment mainly composed of titanium oxide as a yellow pigment is mixed, and (1) whether the polyurethane resin composition is applied to a fibrous base material. Or (2) a process of laminating a skin layer made of a polyurethane resin on a fibrous base material by applying it onto a releasable base material and bonding the fibrous base material to the coated surface. .
  • the flame retardant synthetic leather can be produced, for example, by the following method.
  • a polyurethane resin composition mixed with a composite oxide pigment containing titanium oxide as a yellow pigment is applied to at least one surface of a fibrous base material, and then solidified by dry coagulation, wet coagulation, etc.
  • a skin layer is directly formed and laminated on a porous substrate.
  • a polyurethane resin composition in which a composite oxide pigment containing titanium oxide as a yellow pigment is mixed is applied to a releasable substrate and then solidified to form a skin layer, which is formed into at least one of the fibrous substrates.
  • the surface layer is directly laminated on the fibrous base material by pasting to the surface by pressure bonding and finally peeling the releasable base material.
  • a polyurethane resin composition mixed with a composite oxide pigment containing titanium oxide as a yellow pigment is applied to a releasable substrate, and then a solid state that is not completely solidified is applied to at least one surface of the fibrous substrate.
  • the skin layer is directly laminated on the fibrous base material by pasting and finally peeling the releasable base material.
  • a surface layer is laminated on the fibrous base material by laminating to the surface using an adhesive and finally peeling the releasable base material.
  • a conventionally known method can be used as a method for applying the polyurethane resin composition mixed with the composite oxide pigment to a fibrous base material or a releasable base material, and is not particularly limited.
  • the method using apparatuses such as a knife coater, a roll coater, a gravure coater, a spray coater, can be mentioned.
  • coating with a knife coater is preferable in that a uniform thin film layer can be formed.
  • the releasable substrate used in the present embodiment is not particularly limited, and may be any substrate that has a releasability with respect to polyurethane resin or a substrate that has been subjected to a release treatment.
  • examples thereof include a pattern paper, a release treatment cloth, a water repellent treatment cloth, an olefin sheet or film made of polyethylene resin or polypropylene resin, a fluororesin sheet or film, and a plastic film with release paper.
  • the coating thickness of the polyurethane resin composition may be set as appropriate.
  • the heat treatment accelerates the reaction when the solvent in the polyurethane resin composition is evaporated and the resin is dried, and when a crosslinking agent that causes a crosslinking reaction by the heat treatment is used, or when a two-component curable resin is used. And is performed to form a film having sufficient strength.
  • the heat treatment temperature is preferably 50 to 150 ° C, more preferably 60 to 120 ° C. When the heat treatment temperature is 50 ° C. or higher, the heat treatment does not take time, so the process load is not increased, and the resin is sufficiently dried and crosslinked, so that a sufficient coating strength can be obtained. When the heat treatment temperature is 150 ° C. or lower, the texture of the resulting synthetic leather is excellent.
  • the heat treatment time is not particularly limited, but is preferably 2 to 20 minutes, more preferably 2 to 10 minutes. When the heat treatment time is 2 minutes or longer, the resin is sufficiently dried and crosslinked, so that sufficient coating strength can be obtained. If the heat treatment time is 20 minutes or less, the heat treatment does not take time, so the process load does not increase.
  • the flame retardant synthetic leather according to this embodiment is obtained.
  • the method for producing the flame-retardant synthetic leather according to the present embodiment is not limited to the above method.
  • the polyurethane resin composition for the skin layer having a viscosity of 2,000 mPa ⁇ s (B-type viscometer, rotor: No. 4, 60 rpm, measurement temperature 23 ° C.) prepared according to the above-mentioned prescription 1 was wetted using a knife coater. It was applied to release paper so that the coating thickness was 200 ⁇ m, and heat-treated at 100 ° C. for 2 minutes in a dryer to dry and solidify, thereby forming a skin layer having a thickness of 45 ⁇ m.
  • the thickness of the skin layer was calculated as follows.
  • the vertical cross section of the flame-retardant synthetic leather was observed with a microscope (Keyence Co., Ltd., Digital HF microscope VH-8000), and the height difference between the top of the convex portion and the bottom of the skin layer was measured at any 10 locations.
  • the average value of the value and the value obtained by measuring the height difference between the bottom of the recess and the lowest part of the skin layer at any 10 locations was taken as the thickness of the skin layer.
  • Example 2 In the above formula 1, the yellow pigment was changed to chrome titanium yellow (L-8299S, Ti—Cr—Sb, solid content 35% by mass, viscosity 2,400 mPa ⁇ s, PVI value 0.49, manufactured by DIC Corporation) Except that, flame retardant synthetic leather was obtained in the same manner as in Example 1. The evaluation of the flame retardancy of the obtained synthetic leather was “A”, and it had good flame retardancy.
  • Example 3 Example 1 except that a polyester tricot cloth was treated with a flame retardant (HF-2300, triphenylphosphine oxide, solid content 50 mass%, manufactured by Nikka Chemical Co., Ltd.) in a bath at 130 ° C. for 30 minutes at 7% owf. In the same manner as above, a flame-retardant synthetic leather was obtained. The evaluation of the flame retardancy of the obtained synthetic leather was “A”, and it had good flame retardancy.
  • a flame retardant HF-2300, triphenylphosphine oxide, solid content 50 mass%, manufactured by Nikka Chemical Co., Ltd.
  • Example 1 Example 1 except that the yellow pigment was changed to iron oxide (L-1778S, solid content 30% by mass, viscosity 19,000 mPa ⁇ s, PVI value 0.20, manufactured by DIC Corporation) in the above formula 1. In the same manner, a synthetic leather was obtained. The evaluation of flame retardancy of the obtained synthetic leather was “C”.
  • Example 3 except that the yellow pigment was changed to iron oxide (L-1778S, solid content 30% by mass, viscosity 19,000 mPa ⁇ s, PVI value 0.20, manufactured by DIC Corporation) in the above Formulation 1. In the same manner, a synthetic leather was obtained. The flame retardant evaluation of the obtained synthetic leather was “B”.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un cuir synthétique, qui présente un bon caractère ignifugeant et qui ne subit pas de diminutions du caractère ignifugeant lorsqu'un pigment jaune est y incorporé. L'invention concerne un cuir synthétique ignifuge qui est formé par stratification, sur un substrat fibreux, d'une couche de peau de surface qui comprend une résine de polyuréthane, la couche de peau de surface contenant, comme pigment jaune, un pigment d'oxyde complexe qui comprend de l'oxyde de titane. Le pigment d'oxyde complexe qui comprend l'oxyde de titane est, par exemple, un pigment d'oxyde complexe qui comprend de l'oxyde de titane et un ou deux types de métal choisi dans le groupe constitué par antimoine, nickel, chrome, fer, zinc, molybdène, tungstène et niobium.
PCT/JP2015/002268 2014-05-01 2015-04-27 Cuir artificiel ignifuge et son procédé de production Ceased WO2015166659A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2016515863A JP6623152B2 (ja) 2014-05-01 2015-04-27 難燃性合成皮革およびその製造方法

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Application Number Priority Date Filing Date Title
JP2014-094354 2014-05-01
JP2014094354 2014-05-01

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WO2015166659A1 true WO2015166659A1 (fr) 2015-11-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180095327A (ko) * 2017-02-17 2018-08-27 현대자동차주식회사 난연성 pu 인조가죽 및 그 제조방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826034A (ja) * 1981-07-31 1983-02-16 Toda Kogyo Corp 耐熱性黄色系顔料の製造法
JPS5841726A (ja) * 1981-08-31 1983-03-11 Toda Kogyo Corp 耐熱性黄色顔料の製造法
JPS5841974A (ja) * 1981-08-31 1983-03-11 共和レザ−株式会社 模様入りスエードレザーの製造法
JP2006063475A (ja) * 2004-08-26 2006-03-09 Teijin Cordley Ltd 人工皮革の製造方法
JP2009209489A (ja) * 2008-03-05 2009-09-17 Seiren Co Ltd 難燃性合成皮革
JP2010106382A (ja) * 2008-10-29 2010-05-13 Kuraray Co Ltd 銀付調皮革様シート

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003293269A (ja) * 2002-03-29 2003-10-15 Kuraray Co Ltd スエード調人工皮革
JP2011231421A (ja) * 2010-04-26 2011-11-17 Toray Ind Inc スエード調人工皮革

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826034A (ja) * 1981-07-31 1983-02-16 Toda Kogyo Corp 耐熱性黄色系顔料の製造法
JPS5841726A (ja) * 1981-08-31 1983-03-11 Toda Kogyo Corp 耐熱性黄色顔料の製造法
JPS5841974A (ja) * 1981-08-31 1983-03-11 共和レザ−株式会社 模様入りスエードレザーの製造法
JP2006063475A (ja) * 2004-08-26 2006-03-09 Teijin Cordley Ltd 人工皮革の製造方法
JP2009209489A (ja) * 2008-03-05 2009-09-17 Seiren Co Ltd 難燃性合成皮革
JP2010106382A (ja) * 2008-10-29 2010-05-13 Kuraray Co Ltd 銀付調皮革様シート

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180095327A (ko) * 2017-02-17 2018-08-27 현대자동차주식회사 난연성 pu 인조가죽 및 그 제조방법
KR102286926B1 (ko) * 2017-02-17 2021-08-06 현대자동차주식회사 난연성 pu 인조가죽 및 그 제조방법

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JPWO2015166659A1 (ja) 2017-04-20

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