JP2018520272A - ポリエステルを利用した人造皮革及びこれの製造方法 - Google Patents
ポリエステルを利用した人造皮革及びこれの製造方法 Download PDFInfo
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- JP2018520272A JP2018520272A JP2017564626A JP2017564626A JP2018520272A JP 2018520272 A JP2018520272 A JP 2018520272A JP 2017564626 A JP2017564626 A JP 2017564626A JP 2017564626 A JP2017564626 A JP 2017564626A JP 2018520272 A JP2018520272 A JP 2018520272A
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- 229920000728 polyester Polymers 0.000 title claims abstract description 88
- 239000002649 leather substitute Substances 0.000 title claims abstract description 76
- 238000004519 manufacturing process Methods 0.000 title claims description 44
- 239000010410 layer Substances 0.000 claims abstract description 156
- 239000012790 adhesive layer Substances 0.000 claims abstract description 80
- 239000000758 substrate Substances 0.000 claims abstract description 44
- 239000004744 fabric Substances 0.000 claims abstract description 20
- 229920001400 block copolymer Polymers 0.000 claims abstract description 19
- 229920000570 polyether Polymers 0.000 claims abstract description 9
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 8
- 150000002148 esters Chemical class 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 33
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 20
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 20
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 239000004745 nonwoven fabric Substances 0.000 claims description 16
- 239000006260 foam Substances 0.000 claims description 15
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
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- 238000001125 extrusion Methods 0.000 claims description 10
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 10
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- 238000012643 polycondensation polymerization Methods 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 9
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 8
- 239000000155 melt Substances 0.000 claims description 7
- 238000004381 surface treatment Methods 0.000 claims description 7
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- 238000007646 gravure printing Methods 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 238000003854 Surface Print Methods 0.000 claims 1
- 238000004581 coalescence Methods 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 19
- 239000004814 polyurethane Substances 0.000 description 16
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 15
- 229920000915 polyvinyl chloride Polymers 0.000 description 7
- 239000004800 polyvinyl chloride Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 6
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- -1 polybutylene terephthalate Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
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- 230000000996 additive effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 239000012855 volatile organic compound Substances 0.000 description 3
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 238000004049 embossing Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- IYWCBYFJFZCCGV-UHFFFAOYSA-N formamide;hydrate Chemical compound O.NC=O IYWCBYFJFZCCGV-UHFFFAOYSA-N 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Classifications
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- 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
- D06N3/0011—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 non-woven fabrics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
-
- 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
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
- D06N3/005—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by blowing or swelling agent
-
- 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
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- 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
-
- 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
- D06N3/121—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 polyesters, polycarbonates, alkyds
- D06N3/123—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 polyesters, polycarbonates, alkyds with polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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- B32B2605/003—Interior finishings
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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
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/061—Polyesters
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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
- D06N2213/00—Others characteristics
- D06N2213/02—All layers being of the same kind of material, e.g. all layers being of polyolefins, all layers being of polyesters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
Description
Claims (16)
- ポリエステル生地からなるベース基材層;
前記ベース基材層の一面に積層されて、ポリエステル共重合体からなる接着層;
前記接着層の一面に積層されてポリエーテルエステル系BLOCK共重合体からなるスキンフィルム層を含むことを特徴とする、ポリエステルを利用した人造皮革。 - 前記ベース基材層は、
ポリエステルからなる経編または丸編起毛生地、ポリエステル不織布またはポリエステル海島型極細糸不織布のうちいずれか一つからなることを特徴とする、請求項1に記載のポリエステルを利用した人造皮革。 - 前記接着層は、
前記スキンフィルム層をなす共重合体よりも溶融点が低いポリエステル共重合体からなり、
前記ポリエーテルエステル系BLOCK共重合体は、
テレフタル酸と1,4ブタンジオール、ポリテトラエチレングリコールを縮合重合して製造されたことを特徴とする、請求項1に記載のポリエステルを利用した人造皮革。 - 前記接着層は、
前記ポリエステル共重合体とイソフタル酸(Isophthalic acid)を混合して製造されてなることを特徴とする、請求項3に記載のポリエステルを利用した人造皮革。 - 前記接着層と前記スキンフィルム層との間に含まれて、厚さが100〜300um、密度0.5〜0.8g/cm3であるポリエステルからなる発泡層をさらに含むことを特徴とする、請求項1に記載のポリエステルを利用した人造皮革。
- スキンフィルム層を製造する段階;
前記スキンフィルム層にホットメルト接着剤を塗布して接着層を形成する段階;及び
前記接着層とベース基材層が接して、前記スキンフィルム層、前記接着層及び前記ベース基材層が積層されて合布する段階を含むことを特徴とする、ポリエステルを利用した人造皮革の製造方法。 - 前記スキンフィルム層を製造する段階は、
テレフタル酸と1,4ブタンジオール、ポリテトラエチレングリコールを縮合重合してBLOCK共重合体を製造する段階;及び
前記BLOCK共重合体をT−DIE押出成形してフィルム形態で製造する段階を含むことを特徴とする、請求項6に記載のポリエステルを利用した人造皮革の製造方法。 - 前記接着層を形成する段階は、
前記ベース基材層にホットメルト接着剤を塗布して接着層を形成することを特徴とする、請求項6に記載のポリエステルを利用した人造皮革の製造方法。 - 前記T−DIE押出成形してフィルム形態で製造する段階は
前記BLOCK共重合体を圧出機に投入して、170〜220℃で溶融させて、50〜200umの厚さのフィルム形態で形成することを特徴とする、請求項7に記載のポリエステルを利用した人造皮革の製造方法。 - 前記合布する段階は、
積層された前記スキンフィルム層、前記接着層及び前記ベース基材層に熱シリンダードラムを利用して約120〜170℃、約3.5乃至4.5bar圧力で加圧して合布することを特徴とする、請求項6に記載のポリエステルを利用した人造皮革の製造方法。 - スキンフィルム層及び接着層を製造する段階;
前記スキンフィルム層、前記接着層及び前記ベース基材層を順次積層して合布する段階を含むことを特徴とする、ポリエステルを利用した人造皮革の製造方法。 - 前記合布する段階は、
積層された前記スキンフィルム層、前記接着層及び前記ベース基材層に熱シリンダードラムを利用して約120〜170℃、約3.5乃至4.5bar圧力で加圧して合布することを特徴とする、請求項11に記載のポリエステルを利用した人造皮革の製造方法。 - 前記スキンフィルム層及び前記接着層を製造する段階は、
前記スキンフィルム層は、
テレフタル酸と1,4ブタンジオール、ポリテトラエチレングリコールを縮合重合してBLOCK共重合体からなり、
前記接着層は、
溶融点100〜170℃、硬度20〜40D、メルトインデックス(MI)10〜50g/10min 温度190℃/2.16kg loadのポリエステル重合体からなり、
前記BLOCK共重合体と前記ポリエステル重合体をT−DIE押出成形して、2つのLAYERで同時にフィルム形態で製造することを特徴とする、請求項11に記載のポリエステルを利用した人造皮革の製造方法。 - 前記合布する段階以後に表面処理する段階をさらに含み、
前記表面処理する段階は、
前記スキンフィルム層面にエンボス柄を形成するか前記スキンフィルム層面にグラビア印刷する段階であることを特徴とする、請求項5乃至12のうちいずれか一つに記載のポリエステルを利用した人造皮革の製造方法。 - 前記ベース基材層は、ポリエステルからなる経編または丸編起毛生地、ポリエステル不織布またはポリエステル海島型極細糸不織布のうちいずれか一つからなることを特徴とする、請求項5乃至12のうちいずれか一つに記載のポリエステルを利用した人造皮革の製造方法。
- 前記合布する段階は、
前記スキンフィルム層、前記接着層及び前記ベース基材層を順次積層と、前記スキンフィルム層と前記接着層に発泡剤を挿入して合布する段階を含むことを特徴とする、請求項11乃至13のうちいずれか一つに記載のポリエステルを利用した人造皮革の製造方法。
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