JP6521348B2 - 多孔体、手袋、及び、合成皮革の製造方法 - Google Patents
多孔体、手袋、及び、合成皮革の製造方法 Download PDFInfo
- Publication number
- JP6521348B2 JP6521348B2 JP2018553496A JP2018553496A JP6521348B2 JP 6521348 B2 JP6521348 B2 JP 6521348B2 JP 2018553496 A JP2018553496 A JP 2018553496A JP 2018553496 A JP2018553496 A JP 2018553496A JP 6521348 B2 JP6521348 B2 JP 6521348B2
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- JP
- Japan
- Prior art keywords
- urethane resin
- aqueous
- mass
- aqueous urethane
- porous body
- 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.)
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- 238000004519 manufacturing process Methods 0.000 title claims description 28
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- 239000011342 resin composition Substances 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 239000007864 aqueous solution Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 21
- 239000005056 polyisocyanate Substances 0.000 claims description 20
- 229920001228 polyisocyanate Polymers 0.000 claims description 20
- 239000012736 aqueous medium Substances 0.000 claims description 15
- 125000003118 aryl group Chemical group 0.000 claims description 11
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- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical group C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 230000001112 coagulating effect Effects 0.000 claims description 3
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- 230000000052 comparative effect Effects 0.000 description 6
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- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 5
- 238000005342 ion exchange Methods 0.000 description 5
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- 239000004814 polyurethane Substances 0.000 description 4
- 210000003491 skin Anatomy 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 3
- 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 3
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- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
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- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
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- 239000003431 cross linking reagent Substances 0.000 description 3
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- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
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- 238000007711 solidification Methods 0.000 description 3
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- 239000000600 sorbitol Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
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- 229920000742 Cotton Polymers 0.000 description 2
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- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
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- 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
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- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
- A41D19/04—Appliances for making gloves; Measuring devices for glove-making
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Polyurethanes Or Polyureas (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Gloves (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
メチルエチルケトン3,281質量部及びオクチル酸第一錫0.1質量部の存在下、ポリカーボネートポリオール(「ニッポラン980R」日本ポリウレタン株式会社製、数平均分子量;2,000)1,000質量部と、2,2−ジメチロールプロピオン酸17質量部と、エチレングリコール47質量部と、ジフェニルメタンジイソシアネート344質量部とを溶液粘度が20,000mPa・sに達するまで70℃で反応させた後、メタノール3質量部を加えて反応を停止させて水性ウレタン樹脂(A−1)のメチルエチルケトン溶液を得た。このウレタン樹脂溶液にポリオキシエチレンジスチレン化フェニルエーテル(Hydrophile−Lipophile Balance(以下、「HLB」と略記する);14)70質量部と、トリエチルアミン13質量部を混合させた後に、イオン交換水800質量部を加えて転相乳化させることで前記水性ウレタン樹脂(A−1)が水に分散した乳化液を得た。
次いで、前記乳化液からメチルエチルケトンを留去することによって、不揮発分40質量%の水性ウレタン樹脂組成物(X−1)を得た。
メチルエチルケトン3,281質量部及びオクチル酸第一錫0.1質量部の存在下、ポリエーテルポリオール(「PTMG2000」三菱化型株式会社製、数平均分子量;2,000)1,000質量部と、2,2−ジメチロールプロピオン酸17質量部と、エチレングリコール47質量部と、ジフェニルメタンジイソシアネート344質量部とを溶液粘度が20,000mPa・sに達するまで70℃で反応させた後、メタノール3質量部を加えて反応を停止させて水性ウレタン樹脂(A−2)のメチルエチルケトン溶液を得た。このウレタン樹脂溶液にポリオキシエチレンジスチレン化フェニルエーテル(HLB;14)70質量部と、トリエチルアミン13質量部を混合させた後に、イオン交換水800質量部を加えて転相乳化させることで前記水性ウレタン樹脂(A−2)が水に分散した乳化液を得た。
次いで、前記乳化液からメチルエチルケトンを留去することによって、不揮発分40質量%の水性ウレタン樹脂組成物(X−2)を得た。
メチルエチルケトン3,281質量部及びオクチル酸第一錫0.1質量部の存在下、ポリエステルポリオール(「プラクセル220」株式会社ダイセル製、数平均分子量;2,000)1,000質量部と、2,2−ジメチロールプロピオン酸17質量部と、エチレングリコール47質量部と、ジフェニルメタンジイソシアネート344質量部とを溶液粘度が20,000mPa・sに達するまで70℃で反応させた後、メタノール3質量部を加えて反応を停止させて水性ウレタン樹脂(A−3)のメチルエチルケトン溶液を得た。このウレタン樹脂溶液にポリオキシエチレンジスチレン化フェニルエーテル(HLB;14)70質量部と、トリエチルアミン13質量部を混合させた後に、イオン交換水800質量部を加えて転相乳化させることで前記水性ウレタン樹脂(A−3)が水に分散した乳化液を得た。
次いで、前記乳化液からメチルエチルケトンを留去することによって、不揮発分40質量%の水性ウレタン樹脂組成物(X−3)を得た。
合成例1で得られた水性ウレタン樹脂組成物(X−1)100質量部、増粘剤(Borcher社製「Borch Gel L75N」)5質量部、カルボジイミド架橋剤(日清紡ケミカル株式会社製「カルボジライトSV−02」)4質量部、イオン交換水100質量部をメカニカルミキサーにて2,000rpmで2分間撹拌し、次いで真空脱泡機で脱泡させることで、配合液を調製した。
次いで、手型にナイロン繊維による編み手袋を装着し、上記配合液に15秒間浸漬させ引き上げた。次に、手型を60℃に加熱した硫酸アンモニウム40質量%水溶液の凝固浴に3分間浸漬後、引き上げた。続いて、手型を水に60分間浸漬させて余分な凝固剤を洗浄し、120℃で30分間乾燥させた。その後、手型から編み手袋を取り外し、水性ウレタン樹脂組成物の凝固皮膜を有する手袋を得た。
用いる水性ウレタン樹脂組成物の種類を表に示す通り変更した以外は、実施例1と同様にして手袋を得た。
合成例1で得られた水性ウレタン樹脂組成物(X−1)100質量部、塩化ナトリウム2質量%水溶液100質量部をメカニカルミキサーを用い2,000rpmの条件で2分間撹拌することによって、配合液を調製した。
次いで、手型にナイロン繊維による編み手袋を装着し、上記配合液に15秒間浸漬させ引き上げた。次に、120℃で30分間乾燥させた。その後、手型から編み手袋を取り外し、水性ウレタン樹脂組成物の感熱凝固皮膜を有する手袋を得た。
実施例1において、60℃に加熱した硫酸アンモニウム40質量%水溶液の凝固浴に代えて、60℃の塩化ナトリウム20質量%水溶液の凝固浴を使用した以外は実施例1と同様にして行い、水性ウレタン樹脂組成物の凝固皮膜を有する手袋を得た。
合成例で用いたポリオール等の数平均分子量は、ゲル・パーミエーション・カラムクロマトグラフィー(GPC)法により、下記の条件で測定し得られた値を示す。
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」
加工中の凝固浴層の1m上方にて、臭いを嗅ぎ、以下のように評価した。
「T」;臭気を感じる。
「F」;臭気を感じない。
実施例1〜3及び比較例1〜2で得られた手袋を、日立ハイテクテクノロジー株式会社製走査型電子顕微鏡「SU3500」(倍率200倍)を使用して観察し、以下のように評価した。
「T」;ナイロン繊維に形成した水性ウレタン樹脂層に多孔構造が確認される。
「F」;ナイロン繊維に形成した水性ウレタン樹脂層に多孔構造が確認されない。
実施例1〜3及び比較例1〜2で得られた手袋を、手で触った際の触感により以下のように評価した。
「A」;張り腰感、充実感共に優れている。
「B」;張り腰感、充実感が感じられる。
「C」;張り腰感、充実感がやや劣る。
「D」;張り腰感、充実感が全く感じられない。
合成例1で得られた水性ウレタン樹脂組成物(X−1)100質量部、増粘剤(Borcher社製「Borch Gel L75N」)5質量部、カルボジイミド架橋剤(日清紡ケミカル株式会社製「カルボジライトSV−02」)4質量部、イオン交換水100質量部をメカニカルミキサーにて2,000rpmで2分間撹拌し、次いで真空脱泡機で脱泡させることで、配合液を調製した。
次いで、不織布基材表面にナイフコーティング(クリアランス100μm)にて前記配合液を塗工した。続いて、60℃に加熱した硫酸アンモニウム40質量%水溶液へコーティング基材を3分間浸漬し、コーティング皮膜を凝固させた。浸漬後、水に60分間浸漬させて余分な凝固剤を洗浄し、120℃で30分間乾燥させることにより、合成皮革用中間層を得た。
用いる水性ウレタン樹脂組成物の種類を表に示す通り変更した以外は、実施例1と同様にして合成皮革用中間層を得た。
加工中の凝固浴層の1m上方にて、臭いを嗅ぎ、以下のように評価した。
「T」;臭気を感じる。
「F」;臭気を感じない。
実施例4〜6で得られた合成皮革用中間層を、日立ハイテクテクノロジー株式会社製走査型電子顕微鏡「SU3500」(倍率200倍)を使用して観察し、以下のように評価した。
「T」;基布表面に形成した水性ウレタン樹脂層に多孔構造が確認される。
「F」;基布表面に形成した水性ウレタン樹脂層に多孔構造が確認されない。
実施例4〜6で得られた合成皮革用中間層を、手で触った際の触感により以下のように評価した。
「A」;張り腰感、充実感共に優れている。
「B」;張り腰感、充実感が感じられる。
「C」;張り腰感、充実感がやや劣る。
「D」;張り腰感、充実感が全く感じられない。
「MDI」;ジフェニルメタンジイソシアネート
Claims (7)
- 水性ウレタン樹脂(A)及び水性媒体(B)として水のみを含有する水性ウレタン樹脂組成物を無機酸アンモニウム水溶液の凝固浴に浸漬すること特徴とする多孔体の製造方法。
- 前記水性ウレタン樹脂(A)が芳香環を有するものである請求項1記載の多孔体の製造方法。
- 前記水性ウレタン樹脂(A)の芳香環の含有量が、0.8〜8mol/kgの範囲である請求項2記載の多孔体の製造方法。
- 前記水性ウレタン樹脂(A)が、芳香族ポリイソシアネートを原料とするものである請求項2又は3記載の多孔体の製造方法。
- 前記芳香族ポリイソシアネートが、ジフェニルメタンジイソシアネートである請求項4記載の多孔体の製造方法。
- 水性ウレタン樹脂(A)及び水性媒体(B)として水のみを含有する水性ウレタン樹脂組成物の凝固皮膜を有する手袋の製造方法であって、水性ウレタン樹脂組成物を、無機酸アンモニウム水溶液に浸漬させて凝固皮膜を形成することを特徴とする手袋の製造方法。
- 水性ウレタン樹脂(A)及び水性媒体(B)として水のみを含有する水性ウレタン樹脂組成物を基布に塗工し、無機酸アンモニウム水溶液に浸漬させることを特徴とする合成皮革の製造方法。
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