JP6179697B1 - 水性ウレタン樹脂組成物、及び、合成皮革 - Google Patents
水性ウレタン樹脂組成物、及び、合成皮革 Download PDFInfo
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- JP6179697B1 JP6179697B1 JP2017521162A JP2017521162A JP6179697B1 JP 6179697 B1 JP6179697 B1 JP 6179697B1 JP 2017521162 A JP2017521162 A JP 2017521162A JP 2017521162 A JP2017521162 A JP 2017521162A JP 6179697 B1 JP6179697 B1 JP 6179697B1
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- urethane resin
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- 229920002803 thermoplastic polyurethane Polymers 0.000 title claims abstract description 102
- 239000011342 resin composition Substances 0.000 title claims abstract description 57
- 239000002649 leather substitute Substances 0.000 title claims abstract description 24
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 150000003077 polyols Chemical class 0.000 claims abstract description 32
- 229920005862 polyol Polymers 0.000 claims abstract description 28
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000010410 layer Substances 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 17
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 17
- 239000002335 surface treatment layer Substances 0.000 claims abstract description 15
- 239000012736 aqueous medium Substances 0.000 claims abstract description 11
- 125000000524 functional group Chemical group 0.000 claims abstract description 9
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 34
- 239000002253 acid Substances 0.000 claims description 17
- 125000000129 anionic group Chemical group 0.000 claims description 11
- 239000003995 emulsifying agent Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 abstract description 21
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 21
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 114
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 45
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 34
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- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 30
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- 125000004432 carbon atom Chemical group C* 0.000 description 20
- 238000000034 method Methods 0.000 description 20
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- 229910052757 nitrogen Inorganic materials 0.000 description 17
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 14
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
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- 239000004970 Chain extender Substances 0.000 description 10
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- 125000000217 alkyl group Chemical group 0.000 description 10
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 10
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- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 9
- 239000012975 dibutyltin dilaurate Substances 0.000 description 9
- 239000000835 fiber Substances 0.000 description 9
- PSGAAPLEWMOORI-PEINSRQWSA-N medroxyprogesterone acetate Chemical compound C([C@@]12C)CC(=O)C=C1[C@@H](C)C[C@@H]1[C@@H]2CC[C@]2(C)[C@@](OC(C)=O)(C(C)=O)CC[C@H]21 PSGAAPLEWMOORI-PEINSRQWSA-N 0.000 description 9
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- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
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- 125000003277 amino group Chemical group 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
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- 239000007864 aqueous solution Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000006353 oxyethylene group Chemical group 0.000 description 4
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 3
- KXBFLNPZHXDQLV-UHFFFAOYSA-N [cyclohexyl(diisocyanato)methyl]cyclohexane Chemical compound C1CCCCC1C(N=C=O)(N=C=O)C1CCCCC1 KXBFLNPZHXDQLV-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- 150000004985 diamines Chemical class 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- AQHHHDLHHXJYJD-UHFFFAOYSA-N propranolol Chemical compound C1=CC=C2C(OCC(O)CNC(C)C)=CC=CC2=C1 AQHHHDLHHXJYJD-UHFFFAOYSA-N 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- JVYDLYGCSIHCMR-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butanoic acid Chemical compound CCC(CO)(CO)C(O)=O JVYDLYGCSIHCMR-UHFFFAOYSA-N 0.000 description 2
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- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
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- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
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- 125000002723 alicyclic group Chemical group 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000007514 bases Chemical class 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
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- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- 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
- D06N3/145—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 two or more layers of polyurethanes
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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
- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/105—Resistant to abrasion, scratch
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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
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
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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
- D06N2211/10—Clothing
- D06N2211/106—Footwear
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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
- D06N2211/12—Decorative or sun protection articles
- D06N2211/14—Furniture, upholstery
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- Textile Engineering (AREA)
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Abstract
Description
カラム:東ソー株式会社製の下記のカラムを直列に接続して使用した。
「TSKgel G5000」(7.8mmI.D.×30cm)×1本
「TSKgel G4000」(7.8mmI.D.×30cm)×1本
「TSKgel G3000」(7.8mmI.D.×30cm)×1本
「TSKgel G2000」(7.8mmI.D.×30cm)×1本
検出器:RI(示差屈折計)
カラム温度:40℃
溶離液:テトラヒドロフラン(THF)
流速:1.0mL/分
注入量:100μL(試料濃度0.4質量%のテトラヒドロフラン溶液)
標準試料:下記の標準ポリスチレンを用いて検量線を作成した。
東ソー株式会社製「TSKgel 標準ポリスチレン A−500」
東ソー株式会社製「TSKgel 標準ポリスチレン A−1000」
東ソー株式会社製「TSKgel 標準ポリスチレン A−2500」
東ソー株式会社製「TSKgel 標準ポリスチレン A−5000」
東ソー株式会社製「TSKgel 標準ポリスチレン F−1」
東ソー株式会社製「TSKgel 標準ポリスチレン F−2」
東ソー株式会社製「TSKgel 標準ポリスチレン F−4」
東ソー株式会社製「TSKgel 標準ポリスチレン F−10」
東ソー株式会社製「TSKgel 標準ポリスチレン F−20」
東ソー株式会社製「TSKgel 標準ポリスチレン F−40」
東ソー株式会社製「TSKgel 標準ポリスチレン F−80」
東ソー株式会社製「TSKgel 標準ポリスチレン F−128」
東ソー株式会社製「TSKgel 標準ポリスチレン F−288」
東ソー株式会社製「TSKgel 標準ポリスチレン F−550」
撹拌機、還流冷却管、温度計及び窒素導入管を備えた4ツ口フラスコに、窒素気流下、ポリカーボネートジオール(宇部興産株式会社製「ETERNACOLL UH−200」数平均分子量:2,000、以下「PC−1」と略記する。)500質量部、両末端ジオール型反応性シリコーン(JNC株式会社製「サイラプレーンFM−4425」数平均分子量:10,000、以下「両末端ジオール型Si−1」と略記する。)125質量部、ジメチロールプロピオン酸(以下「DMPA」と略記する。)25質量部、メチルエチルケトン360質量部を加え、均一に混合した後、ジシクロヘキシルメタンジイソシアネート(以下「H12MDI」と略記する。)177質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、分子末端にイソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン19質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水1960質量部を加え、次いで、エチレンジアミン(以下「EDA」と略記する。)14質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、水性ウレタン樹脂組成物(X−1)(不揮発分;30質量%、酸価;13KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、ポリカーボネートジオール(旭化成ケミカルズ株式会社製「DURANOL T5652」、数平均分子量:2,000、以下「PC−2」と略記する。)500質量部、片末端ジオール型反応性シリコーン(信越化学工業株式会社製「X−22−176GX−A」、数平均分子量:14,000、以下「片末端ジオール型Si−1」と略記する。)26質量部、DMPA8質量部、メチルエチルケトン269質量部を加え、均一に混合した後、イソホロンジイソシアネート(以下「IPDI」と略記する。)86質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、分子末端にイソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン6質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水1463質量部を加え、次いで、ピペラジン(以下「PZ」と略記する。)7質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、水性ウレタン樹脂組成物(X−2)(不揮発分;30質量%、酸価;5KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、ポリカーボネートジオール(旭化成ケミカルズ株式会社製「DURANOL T4692、数平均分子量:2,000、以下「PC−3」と略記する。)500質量部、片末端ジオール型反応性シリコーン(JNC株式会社製「サイラプレーン FM−DA21」、数平均分子量:5,000、以下「片末端ジオール型Si−2」と略記する。)88質量部、DMPA26質量部、メチルエチルケトン332質量部を加え、均一に混合した後、H12MDIを145質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、分子末端にイソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン20質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水1808質量部を加え、次いで、イソホロンジアミン(以下「IPDA」と略記する。)16質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、水性ウレタン樹脂組成物(X−3)(不揮発分;30質量%、酸価;14KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、PC−2を500質量部、ポリテトラメチレングリコール(数平均分子量:1,000、以下「PTMF1000」と略記する。)133質量部、片末端ジオール型反応性シリコーン(信越化学工業株式会社製「X−22−176F」、数平均分子量:12,000、以下「片末端ジオール型Si−3」と略記する。)33質量部、DMPA17質量部、メチルエチルケトン385質量部を加え、均一に混合した後、IPDIを86質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、分子末端にイソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン13質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水2098質量部を加え、次いで、EDA15質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、水性ウレタン樹脂組成物(X−4)(不揮発分;30質量%、酸価;8KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、ポリカーボネートジオール(旭化成ケミカルズ株式会社製「DURANOL G3452」、数平均分子量:1,000、以下「PC−4」と略記する。)500質量部、片末端モノオール型反応性シリコーン(JNC株式会社製「サイラプレーンFM−0425」、数平均分子量:10,000、以下「片末端モノオール型Si−1」と略記する。)56質量部、DMPA17質量部、メチルエチルケトン291質量部を加え、均一に混合した後、ヘキサンメチレンジイソシアネート(以下「HDI」と略記する。)86質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、分子末端にイソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン13質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水1586質量部を加え、次いで、IPDA22質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、水性ウレタン樹脂組成物(X−5)(不揮発分;30質量%、酸価;10KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、PC−1を500質量部、両末端ジアミン型反応性シリコーン(JNC株式会社製「サイラプレーンFM−3325」、数平均分子量:10,000、以下「両末端ジアミン型Si−1」と略記する。)125質量部、DMPA25質量部、メチルエチルケトン362質量部を加え、均一に混合した後、H12MDIを165質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、分子末端にイソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン19質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水1972質量部を加え、次いで、IPDAを31質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、水性ウレタン樹脂組成物(X−6)(不揮発分;30質量%、酸価;12KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、ポリテトラメチレングリコール(数平均分子量:2,000、以下「PTMG2000」と略記する。)500質量部、片末端ジオール型Si−2を167質量部、DMPAを23質量部、メチルエチルケトン400質量部を加え、均一に混合した後、IPDIを203質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、分子末端にイソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン18質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水2176質量部を加え、次いで、PZを39質量部加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、水性ウレタン樹脂組成物(X−7)(不揮発分;30質量%、酸価;11KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、PC−1を500質量部、両末端ジオール型反応性シリコーン(信越化学工業株式会社製「KF−6002、数平均分子量:3,200、以下「両末端ジオール型Si’−1」と略記する。)125質量部、DMPAを25質量部、メチルエチルケトン360質量部を加え、均一に混合した後、H12MDIを177質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、分子末端にイソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン19質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水1986質量部を加え、次いで、EDAを14質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、水系ポリウレタン樹脂組成物(X’−1)(不揮発分;30質量%、酸価;13KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、PC−3を500質量部、片末端ジオール型反応性シリコーン(JNC製「サイラプレーン FM−DA11」、数平均分子量:1,000、以下「片末端ジオール型Si’−1」と略記する。)88質量部、DMPAを26質量部、メチルエチルケトン343質量部を加え、均一に混合した後、H12MDIを167質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、分子末端にイソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン20質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水1865質量部を加え、次いで、IPDAを18質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、水性ウレタン樹脂組成物(X’−2)(不揮発分;30質量%、酸価;14KOHmg/g)を得た。
実施例及び比較例で得られた水性ウレタン樹脂組成物を乾燥し、乾燥固化した樹脂粒子の0.05g〜0.5gを、300mL三角フラスコに秤量し、次いで、テトラヒドロフランとイオン交換水との質量割合[テトラヒドロフラン/イオン交換水]が80/20の混合溶媒約80mLを加えそれらの混合液を得た。
次いで、前記混合液にフェノールフタレイン指示薬を混合した後、あらかじめ標定された0.1mol/Lの水酸化カリウム水溶液で滴定し、滴定に用いた水酸化カリウム水溶液の量から下記計算式(1)に従い、水性ウレタン樹脂(A)の酸価(mgKOH/g)を求めた。
計算式 A=(B×f×5.611)/S (1)
式中、Aは樹脂の固形分酸価(mgKOH/g)、Bは滴定に用いた0.1mol/L水酸化カリウム水溶液の量(mL)、fは0.1mol/L水酸化カリウム水溶液のファクター、Sは樹脂粒子の質量(g)、5.611は水酸化カリウムの式量(56.11/10)である。
実施例及び比較例で得られた水性ウレタン樹脂組成物100質量部、水分散性黒色顔料(DIC株式会社製「ダイラックHS−9530」)10質量部、会合型増粘剤(DIC株式会社製「ハイドラン アシスター T10」)1質量部を配合し、離型紙上に乾燥後の膜厚が30μmとなるように塗布し、70℃で2分間乾燥させ、表皮層を得た。
次いで、水性ウレタン接着剤(DIC株式会社製「ハイドランWLA−412」)を100質量部、会合型増粘剤(DIC株式会社製「ハイドラン アシスター T10」)1質量部、ポリイソシアネート架橋剤(DIC株式会社製「ハイドラン アシスター C5」)を9質量部配合し、前記表皮層上に乾燥後の膜厚が50μmとなるように塗布し、70℃で3分間乾燥させた。乾燥後、直ちにT/R起毛布を貼り合せ、120℃で2分間熱処理し、50℃で2日間熟成させてから離型紙を剥離して合成皮革を得た。
得られた合成皮革に対し、平面磨耗試験(JASO−M403−88B法、荷重;1kg、ストローク;140mm)を行い、合成皮革の表面が磨耗し基布が確認できるまでの回数を測定し、以下のように評価した。
「A」;30,000回以上
「B」;10,000回以上30,000回未満
「C」;10,000回未満
得られた合成皮革を70℃、湿度95%の湿熱条件下で5週間養生した後の外観変化を確認し、以下のように評価した。
「A」;外観に変化なし。
「B」;外観に艶の変化が生じた。
「C」;外観に艶の変化が生じ、かつ、べたつきが生じた。
Claims (4)
- ポリオール(a1)と、数平均分子量が4,000以上であり、イソシアネート基と反応する官能基を有する反応性シリコーン(a2)と、ポリイソシアネート(a3)とを必須原料とした反応物であるウレタン樹脂(A)、及び、水性媒体(B)を含有し、乳化剤を含有しないことを特徴とする水性ウレタン樹脂組成物。
- 前記反応性シリコーン(a2)の使用量が、ウレタン樹脂(A)を構成する原料の合計質量中1〜25質量%の範囲である請求項1記載の水性ウレタン樹脂組成物。
- 前記ウレタン樹脂(A)が、酸価が20mgKOH/g以下のアニオン性ウレタン樹脂である請求項1又は2記載の水性ウレタン樹脂組成物。
- 請求項1〜3のいずれか1項記載の水性ウレタン樹脂組成物により形成された表皮層及び/又は表面処理層を有することを特徴とする合成皮革。
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CN107531861A (zh) | 2018-01-02 |
KR101966579B1 (ko) | 2019-04-05 |
EP3444286B1 (en) | 2023-01-11 |
WO2017179291A1 (ja) | 2017-10-19 |
TWI719185B (zh) | 2021-02-21 |
JPWO2017179291A1 (ja) | 2018-04-19 |
KR20170134574A (ko) | 2017-12-06 |
US20180142409A1 (en) | 2018-05-24 |
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