JP6838133B2 - 発泡ポリウレタンエラストマー原料、発泡ポリウレタンエラストマーおよび発泡ポリウレタンエラストマーの製造方法 - Google Patents
発泡ポリウレタンエラストマー原料、発泡ポリウレタンエラストマーおよび発泡ポリウレタンエラストマーの製造方法 Download PDFInfo
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- JP6838133B2 JP6838133B2 JP2019501308A JP2019501308A JP6838133B2 JP 6838133 B2 JP6838133 B2 JP 6838133B2 JP 2019501308 A JP2019501308 A JP 2019501308A JP 2019501308 A JP2019501308 A JP 2019501308A JP 6838133 B2 JP6838133 B2 JP 6838133B2
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- polyurethane elastomer
- foamed polyurethane
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- C—CHEMISTRY; METALLURGY
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- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
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- 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
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/757—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing at least two isocyanate or isothiocyanate groups linked to the cycloaliphatic ring by means of an aliphatic group
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/04—Plastics, rubber or vulcanised fibre
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
- A43B13/122—Soles with several layers of different materials characterised by the outsole or external layer
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
- A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
- A43B17/14—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined made of sponge, rubber, or plastic materials
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/222—Catalysts containing metal compounds metal compounds not provided for in groups C08G18/225 - C08G18/26
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/227—Catalysts containing metal compounds of antimony, bismuth or arsenic
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
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- C—CHEMISTRY; METALLURGY
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
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- C—CHEMISTRY; METALLURGY
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
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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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
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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
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- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
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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
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- C—CHEMISTRY; METALLURGY
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- 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
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- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
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- 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
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- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C—CHEMISTRY; METALLURGY
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
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- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
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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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/125—Water, e.g. hydrated salts
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B21/00—Heels; Top-pieces or top-lifts
- A43B21/02—Heels; Top-pieces or top-lifts characterised by the material
- A43B21/20—Heels; Top-pieces or top-lifts characterised by the material plastics
-
- 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
- C08G2101/00—Manufacture of cellular products
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/0066—≥ 150kg/m3
-
- 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
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/02—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments
- C08J2201/022—Foams characterised by the foaming process characterised by mechanical pre- or post-treatments premixing or pre-blending a part of the components of a foamable composition, e.g. premixing the polyol with the blowing agent, surfactant and catalyst and only adding the isocyanate at the time of foaming
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/10—Water or water-releasing compounds
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- C—CHEMISTRY; METALLURGY
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- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/06—Polyurethanes from polyesters
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
1.ポリイソシアネート
(1)1,4-ビス(イソシアナトメチル)シクロヘキサン(1,4−BIC、国際公開第2009/51114号の製造例3に従って合成した。純度(ガスクロマトグラフィー測定による。)99.9%、トランス/シス比(モル基準)=86/14)
(2)1,3−ビス(イソシアナトメチル)シクロヘキサン(1,3−BIC、商品名:タケネート600、三井化学社製)
2.マクロポリオール
2−1.直鎖オキシアルキレン基を有するポリエーテルジオール
(1)PTG−1000(ポリテトラメチレンエーテルグリコール、商品名:PTG−1000、数平均分子量:1000、平均水酸基価:111.9mgKOH/g、保土ヶ谷化学工業社製)
(2)PTG−2000(ポリテトラメチレンエーテルグリコール、商品名:PTG−2000SN、数平均分子量:2000、平均水酸基価:56.2mgKOH/g、保土ヶ谷化学工業社製)
(3)PTG−3000(ポリテトラメチレンエーテルグリコール、商品名:PTG−3000SN、数平均分子量:3000、平均水酸基価:38.0mgKOH/g、保土ヶ谷化学工業社製)
(4)ポリプロパンジオール−1000(ポリトリメチレンエーテルグリコール、商品名:PO3GH1000、数平均分子量:1000、平均水酸価:112.1mgKOH/g、Weylchem社製)
(5)ポリプロパンジオール−2400(ポリトリメチレンエーテルグリコール、商品名:PO3GH2400、数平均分子量:2400、平均水酸価:48mgKOH/g、Weylchem社製)
2−2.分岐オキシアルキレン基を有するポリエーテルジオール
(1)PPG#3000(ポリオキシプロピレングリコール、特許第3905638公報の実施例2記載の方法により、ホスファゼニウム化合物を触媒として、ジプロピレングリコールにプロピレンオキシドを付加重合することにより得た。数平均分子量:3000、平均水酸基価:37.5mgKOH/g)
3.アルカンポリオール
3−1.直鎖アルカンジオール
(1)1,4−ブタンジオール(三菱化学社製)
(2)1,3−プロパンジオール(商品名:SUSTERRAプロパンジオール、デュポン社製)
(3)エチレングコール(和光純薬製)
(4)1,5−ペンタンジオール(宇部興産製)
(5)1,6−ヘキサンジオール(和光純薬製)
3−2.分岐アルカンジオール
(1)1,2−プロパンジオール(和光純薬製)
(2)1,3−ブタンジオール(和光純薬製)
3−3.トリオール
(1)グリセリン(和光純薬製)
(2)TMP(1,1,1−トリス(ヒドロキシメチル)プロパン、和光純薬製)
4.ウレタン化触媒
4−1.有機触媒
(1)アミン触媒(トリエチレンジアミン、商品名:DABCO−CRYSTALLINE、エアプロダクツジャパン社製)
(2)イミダゾール触媒(1,2−ジメチルイミダゾールの65〜75%エチレングリコール溶液、商品名:TOYOCATDM−70、東ソー社製)
4−2.金属触媒
(1)ビスマスネオデカネート(ネオデカン酸ビスマス(III)、商品名:BiCAT8108、シェファードケミカル製)
(2)ビスマスオクトエート(オクチル酸ビスマス(III)、商品名:プキャット25、日本化学産業社製)
(3)亜鉛触媒(商品名:K−KAT XK−633、KING社製)
5.整泡剤
(1)サーフロンAF−5000(AGCセイミケミカル社製)
6.添加剤
(1)酸化防止剤(ヒンダードフェノール化合物、商品名:イルガノックス245、BASFジャパン社製)
(2)紫外線吸収剤(ベンゾトリアゾール化合物、商品名:チヌビン571、BASFジャパン社製)
(3)耐光安定剤(ヒンダードアミン化合物、商品名:アデカスタブLA−72、ADEKA社製)
<各実施例および比較例>
1.ポリイソシアネート成分(A)の調製
各表に示す質量部数で、ポリイソシアネートおよびマクロポリオールを、攪拌機、温度計、還流管および窒素導入管を備えた4つ口フラスコに仕込み、窒素雰囲気下、80℃にて1時間攪拌した。
各表に示した質量部数のポリオール成分(B)と、発泡剤(イオン交換水)0.86質量部と、整泡剤0.5質量部と、アミン触媒1.2質量部と、イミダゾール触媒1.0質量部と、酸化防止剤0.5質量部と、紫外線吸収剤0.5質量部と、耐光安定剤0.5質量部とを、均一に攪拌混合して、50℃のオーブン中に1時間静置し、レジンプレミックスを調製した。
(1)外観
各実施例および比較例の発泡ポリウレタンエラストマーを目視により観察し、表面の荒れを判定した。各表中に「OK」と記載されている場合、表面が滑らかであることを示す。
(2)見かけ密度
各実施例および比較例の発泡ポリウレタンエラストマーから測定試料を切り出し、JIS K7222:2005に従って、測定試料の見かけ密度を測定した。結果を各表に示す。
(3)反発弾性
各実施例および比較例の発泡ポリウレタンエラストマーから10cm×10cm×1cmの測定試料を切り出し、JIS K6400−3:2012に従って、測定試料の反発弾性を測定した。結果を各表に示す。
(4)アスカーC硬度
JIS K7312−7:1996に従って、各実施例および比較例の発泡ポリウレタンエラストマーのアスカーC硬度を測定した。結果を各表に示す。
(5)破断強度、破断伸び
各実施例および比較例の発泡ポリウレタンエラストマーから、JIS−1号ダンベルを用いて測定試料を作製し、JIS K6400−5:2012に従って、測定試料の破断強度および破断伸びを測定した。結果を各表に示す。
(6)圧縮永久歪み
各実施例および比較例の発泡ポリウレタンエラストマーから直径29mmで厚み10mmの円板状の測定試料を切り出し、JIS K6262に従って、50℃×6時間、50%圧縮の条件で、測定試料の圧縮永久歪みを測定した。結果を各表に示す。
(7)耐屈曲き裂性
各実施例および比較例の発泡ポリウレタンエラストマーから、140mm×25mm×6.3mmの測定試料を切り出し、JIS K6260:2010に従って、測定試料の耐屈曲き裂性を測定した。結果を各表に示す。
Claims (11)
- ポリイソシアネート成分(A)とポリオール成分(B)とを含む発泡ポリウレタンエラストマー原料であって、
前記ポリイソシアネート成分(A)は、1,4−ビス(イソシアナトメチル)シクロヘキサン(A1)と、炭素数が3から4である直鎖オキシアルキレン基を主鎖として有するポリエーテルジオール(A2)とのプレポリマーを含み、
前記ポリオール成分(B)は、炭素数が3から4である直鎖オキシアルキレン基を主鎖として有するポリエーテルジオールを90質量%以上含むマクロポリオール(B1)と、炭素数が2から6である直鎖または分岐のアルキレン基を有するアルカンポリオール(B2)とを含み、
前記ポリイソシアネート成分(A)中の前記プレポリマーの割合は、70質量%以上、100質量%以下であり、
前記ポリオール成分(B)中の前記アルカンポリオール(B2)の割合は、20質量%以上、50質量%以下であることを特徴とする、発泡ポリウレタンエラストマー原料。 - 前記アルカンポリオール(B2)の配合部数は、前記マクロポリオール(B1)100質量部に対して、25質量部以上、100質量部以下であることを特徴とする、請求項1に記載の発泡ポリウレタンエラストマー原料。
- 前記マクロポリオール(B1)の数平均分子量は、400以上、10000以下であり、
前記マクロポリオール(B1)は、第1の数平均分子量を有する第1ポリエーテルジオール(B1−1)と、前記第1の数平均分子量との差が1000以上である第2の数平均分子量を有する第2ポリエーテルジオール(B1−2)とを含むことを特徴とする、請求項1に記載の発泡ポリウレタンエラストマー原料。 - 前記ポリオール成分(B)は、複数種類の前記アルカンポリオール(B2)を含むことを特徴とする、請求項1に記載の発泡ポリウレタンエラストマー原料。
- 前記ポリオール成分(B)は、直鎖の前記アルカンポリオール(B2)を含むことを特徴とする、請求項4に記載の発泡ポリウレタンエラストマー原料。
- 複数種類の前記アルカンポリオール(B2)の総量中に、炭素数が4である前記アルカンポリオール(B2)が、45mol%以上、95mol%以下含まれることを特徴とする、請求項4に記載の発泡ポリウレタンエラストマー原料。
- 前記ポリオール成分(B)は、炭素数が3である前記アルカンポリオール(B2)を含むことを特徴とする、請求項4に記載の発泡ポリウレタンエラストマー原料。
- 請求項1に記載の発泡ポリウレタンエラストマー原料の発泡体であることを特徴とする、発泡ポリウレタンエラストマー。
- シューズのミッドソールの材料であることを特徴とする、請求項8に記載の発泡ポリウレタンエラストマー。
- 請求項8に記載の発泡ポリウレタンエラストマーを製造するための発泡ポリウレタンエラストマーの製造方法であって、
請求項1に記載の発泡ポリウレタンエラストマー原料を準備する準備工程と、
前記発泡ポリウレタンエラストマー原料を発泡させる発泡工程と
を含むことを特徴とする、発泡ポリウレタンエラストマーの製造方法。 - 前記発泡工程において、ビスマスを含有する金属触媒、および、亜鉛を含有する金属触媒の存在下で、前記発泡ポリウレタンエラストマー原料を発泡させることを特徴とする、
請求項10に記載の発泡ポリウレタンエラストマーの製造方法。
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JP6961837B2 (ja) * | 2018-10-11 | 2021-11-05 | 三井化学株式会社 | 発泡ポリウレタンエラストマー原料、発泡ポリウレタンエラストマー、ミッドソールおよび発泡ポリウレタンエラストマーの製造方法 |
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EP4081566A1 (en) * | 2019-12-24 | 2022-11-02 | Covestro Intellectual Property GmbH & Co. KG | Polyurethane resin composition and polyurethane resin molded product |
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CA3172799A1 (en) | 2020-03-10 | 2021-09-16 | National Research Council Of Canada | Polyurethane compositions and elastomers therefrom |
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