JP2022529313A - 長いポットライフを有するポリウレタン-ポリイソシアヌレートエラストマー、シーリング材及び接着剤の製造方法 - Google Patents
長いポットライフを有するポリウレタン-ポリイソシアヌレートエラストマー、シーリング材及び接着剤の製造方法 Download PDFInfo
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- JP2022529313A JP2022529313A JP2021557766A JP2021557766A JP2022529313A JP 2022529313 A JP2022529313 A JP 2022529313A JP 2021557766 A JP2021557766 A JP 2021557766A JP 2021557766 A JP2021557766 A JP 2021557766A JP 2022529313 A JP2022529313 A JP 2022529313A
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- isocyanate
- catalyst
- metal salt
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- mass
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- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000007142 ring opening reaction Methods 0.000 description 2
- 229960004889 salicylic acid Drugs 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 150000004760 silicates Chemical class 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- 239000003549 soybean oil Substances 0.000 description 2
- 235000012424 soybean oil Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- 229910052712 strontium Inorganic materials 0.000 description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 150000003457 sulfones Chemical class 0.000 description 2
- 239000003784 tall oil Substances 0.000 description 2
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- 150000004992 toluidines Chemical class 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- ASLWPAWFJZFCKF-UHFFFAOYSA-N tris(1,3-dichloropropan-2-yl) phosphate Chemical compound ClCC(CCl)OP(=O)(OC(CCl)CCl)OC(CCl)CCl ASLWPAWFJZFCKF-UHFFFAOYSA-N 0.000 description 2
- KVMPUXDNESXNOH-UHFFFAOYSA-N tris(1-chloropropan-2-yl) phosphate Chemical compound ClCC(C)OP(=O)(OC(C)CCl)OC(C)CCl KVMPUXDNESXNOH-UHFFFAOYSA-N 0.000 description 2
- 150000003672 ureas Chemical class 0.000 description 2
- 150000003673 urethanes Chemical class 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 2
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 2
- CJWBPEYRTPGWPF-UHFFFAOYSA-N 2-[bis(2-chloroethoxy)phosphoryloxy]ethyl bis(2-chloroethyl) phosphate Chemical compound ClCCOP(=O)(OCCCl)OCCOP(=O)(OCCCl)OCCCl CJWBPEYRTPGWPF-UHFFFAOYSA-N 0.000 description 1
- 125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- HQUQLFOMPYWACS-UHFFFAOYSA-N tris(2-chloroethyl) phosphate Chemical compound ClCCOP(=O)(OCCCl)OCCCl HQUQLFOMPYWACS-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
イソシアネート1は、モル質量250.26g/molの、4,4’-ジフェニルメタンジイソシアネート(4,4’-MDI)であり、
イソシアネート2は、2,4-トルエンジイソシアネートと2,6-トルエンジイソシアネートとの混合物(80:20)であり、
イソシアネート3は、NCO:29.5%の、カルボジイミドで修飾された4,4’-ジフェニルメタンジイソシアネート(4,4’-MDI)(例えば、BASF社のLupranat(登録商標)MM 103)であり、
ポリオール1:テトラヒドロフランから構成され、約56のOH価を有するポリエーテルジオール(MW:約2000)、
ポリオール2:プロピレングリコール及び約2の官能価を有するプロピレンオキシド(PO)から構成され、約56のOH価を有するポリエーテルジオール(MW:約2000)、
ポリオール3:アジピン酸、2の官能価を有する1,2-エタンジオール及び1,4-ブタンジオールから構成され、約56のOH価を有するポリエステルジオール(MW:約2000)、
ポリオール4:アジピン酸、及び2の官能価を有する1,4-ブタンジオールから構成され、約56のOH価を有するポリエステルジオール(MW:約2500)、
ポリオール5:プロピレングリコール及び約2の官能価を有するプロピレンオキシド(PO)から構成され、約104のOH価を有するポリエーテルジオール(MW:約1000)、
ポリオール6:プロピレングリコール及び約2の官能価を有するプロピレンオキシド(PO)から構成され、約248のOH価を有するポリエーテルジオール(MW:約450)
ポリオール7:プロピレングリコール及び約2の官能価を有するプロピレンオキシド(PO)から構成され、約28のOH価を有するポリエーテルジオール(MW:約4000)、
エポキシ:ビスフェノールAをベースとするジグリシジルエーテル、例えばHuntsman社のAraldite GY 250、
添加剤1:ジエチレングリコールビスクロロホルメート、
添加剤2:消泡剤、例えばMomentive社のAF9000 NE Silicone Antifoam、
添加剤3:ヒマシ油中のK-Ca-Na-ゼオライトA、
触媒1:本発明によるウレタン化合物の数に基づいて0.50eqのLiClを含むLiClとの混合物としてBASF社から商品名「Pluriol(登録商標)A 500 E」で入手可能の、イソシアネート3と500g/molの数平均分子量を有する単官能ポリエチレンオキシドとの反応生成物、
触媒2:酢酸カリウム、
触媒3:Jeffamin M600とイソシアネート3との反応によって得ることができ、WO10121898に記載されているような量、例えばプレポリマー中の尿素化合物の数に基づいて0.70eqのLiClを含む、LiClと尿素プレポリマーとの非本発明の混合物、
鎖延長剤1:1,4-ブタンジオール
1.プレポリマー
プレポリマーの製造
最初に約50℃で、PT100熱電対、窒素供給、撹拌機及び加熱マントルを備えた4000mlの丸口フラスコにイソシアネートを入れ、この温度でポリオールを添加した。この反応混合物を80℃に加熱し、80℃で2時間撹拌した。その後、得られたプレポリマーを室温に到達させ、さらに処理することなく以下の用途に使用した。
プレポリマーをベースとするポリウレタンの製造
成分(配合を参照)を1800rpmの真空スピードミキサーで20秒間混合し、続いてステップモールド(110℃)に流し込んだ。続いて、硬化した試験シートを90℃で24時間調整した。
得られたポリウレタンの以下の特性を、下記の方法によって決定した:
密度:DIN EN ISO 1183-1,A.
硬度(ショアA/D):DIN ISO 7619-1
引張強度/破断伸び:DIN 53504
引裂抵抗:DIN ISO 34-1,B(b)
摩耗の測定:DIN ISO 4649
ガラス転移温度:示差走査熱量測定によってTgを決定した。
イソシアネート1は、モル質量250.26g/molの、4,4’-ジフェニルメタンジイソシアネート(4,4’-MDI)であり、
イソシアネート2は、2,4-トルエンジイソシアネートと2,6-トルエンジイソシアネートとの混合物(80:20)であり、
イソシアネート3は、NCO:29.5%の、カルボジイミドで修飾された4,4’-ジフェニルメタンジイソシアネート(4,4’-MDI)(例えば、BASF社のLupranat(登録商標)MM 103)であり、
ポリオール1:テトラヒドロフランから構成され、約56のOH価を有するポリエーテルジオール(MW:約2000)、
ポリオール2:プロピレングリコール及び約2の官能価を有するプロピレンオキシド(PO)から構成され、約56のOH価を有するポリエーテルジオール(MW:約2000)、
ポリオール3:アジピン酸、2の官能価を有する1,2-エタンジオール及び1,4-ブタンジオールから構成され、約56のOH価を有するポリエステルジオール(MW:約2000)、
ポリオール4:アジピン酸、及び2の官能価を有する1,4-ブタンジオールから構成され、約56のOH価を有するポリエステルジオール(MW:約2500)、
ポリオール5:プロピレングリコール及び約2の官能価を有するプロピレンオキシド(PO)から構成され、約104のOH価を有するポリエーテルジオール(MW:約1000)、
ポリオール6:プロピレングリコール及び約2の官能価を有するプロピレンオキシド(PO)から構成され、約248のOH価を有するポリエーテルジオール(MW:約450)
ポリオール7:プロピレングリコール及び約2の官能価を有するプロピレンオキシド(PO)から構成され、約28のOH価を有するポリエーテルジオール(MW:約4000)、
エポキシ:ビスフェノールAをベースとするジグリシジルエーテル、例えばHuntsman社のAraldite GY 250、
添加剤1:ジエチレングリコールビスクロロホルメート、
添加剤2:消泡剤、例えばMomentive社のAF9000 NE Silicone Antifoam、
添加剤3:ヒマシ油中のK-Ca-Na-ゼオライトA、
触媒1:本発明によるウレタン化合物の数に基づいて0.50eqのLiClを含むLiClとの混合物としてBASF社から商品名「Pluriol(登録商標)A 500 E」で入手可能の、イソシアネート3と500g/molの数平均分子量を有する単官能ポリエチレンオキシドとの反応生成物、
触媒2:酢酸カリウム、
触媒3:Jeffamin M600とイソシアネート3との反応によって得ることができ、WO10121898に記載されているような量、例えばプレポリマー中の尿素化合物の数に基づいて0.70eqのLiClを含む、LiClと尿素プレポリマーとの非本発明の混合物、
鎖延長剤1:1,4-ブタンジオール
1.プレポリマー
プレポリマーの製造
最初に約50℃で、PT100熱電対、窒素供給、撹拌機及び加熱マントルを備えた4000mlの丸口フラスコにイソシアネートを入れ、この温度でポリオールを添加した。この反応混合物を80℃に加熱し、80℃で2時間撹拌した。その後、得られたプレポリマーを室温に到達させ、さらに処理することなく以下の用途に使用した。
プレポリマーをベースとするポリウレタンの製造
成分(配合を参照)を1800rpmの真空スピードミキサーで20秒間混合し、続いてステップモールド(110℃)に流し込んだ。続いて、硬化した試験シートを90℃で24時間調整した。
得られたポリウレタンの以下の特性を、下記の方法によって決定した:
密度:DIN EN ISO 1183-1,A.
硬度(ショアA/D):DIN ISO 7619-1
引張強度/破断伸び:DIN 53504
引裂抵抗:DIN ISO 34-1,B(b)
摩耗の測定:DIN ISO 4649
ガラス転移温度:示差走査熱量測定によってTgを決定した。
Claims (13)
- ポリウレタンエラストマーの製造方法であって、以下の工程:
A)
(a1)1.8~2.5の範囲の平均官能価及び20mg KOH/g~450mg KOH/gの範囲のOH価を有する、ポリエステルポリオール、ポリエーテルポリオール又はそれらの混合物から選択されるポリオールを含む少なくとも1種のイソシアネート反応性組成物、及び
(a2)少なくとも1種のポリイソシアネート
を混合し、混合物を反応させてイソシアネートプレポリマー(a)を形成することによりイソシアネートプレポリマー(a)を調製する工程であって、前記イソシアネートプレポリマーが1質量%~9質量%の範囲のイソシアネート含有量を有する、工程と、
B)少なくとも1種の触媒(c)の存在下で少なくとも1種のエポキシ化合物(b)を前記イソシアネートプレポリマー(a)と混合することにより反応混合物を調製する工程であって、前記触媒(c)が、アルカリ金属塩又はアルカリ土類金属塩を、化合物R-NH-CO-OR’(式中、R及びR’が同一又は異なることができ、有機化学で知られている任意の基であり得る)に導入することにより得ることができる混合物であり、前記アルカリ金属塩又はアルカリ土類金属塩の量が前記イソシアネートプレポリマー(a)、前記エポキシ化合物(b)及び前記触媒(c)の総質量の1kg当たり0.00001~0.1モルである、工程と、
C)前記混合物を少なくとも80℃に加熱してポリウレタンエラストマーを得る工程と
を含む、方法。 - 前記触媒(c)が、アルカリ金属塩又はアルカリ土類金属塩を前記イソシアネートプレポリマー(a)の少なくとも一部に導入することにより得られる、請求項1に記載の方法。
- 第1ポリイソシアネートがポリイソシアネート(a2)として使用され、触媒(c)におけるウレタン基を含有する化合物が、第2ポリイソシアネートとOH基を有する化合物との反応生成物である、請求項1に記載の方法。
- 前記触媒(c)中のウレタン基1個当たりのアルカリ金属イオン又はアルカリ土類金属イオンの量が、触媒(c)中のアルカリ金属イオン又はアルカリ土類金属イオン及びウレタン基の数に基づいて、0.0001~3.5である、請求項1から3のいずれか一項に記載の方法。
- 前記アルカリ金属塩又はアルカリ土類金属塩が塩化リチウムである、請求項1から4のいずれか一項に記載の方法。
- 工程B)による混合が、200を超えるイソシアネート指数で行われる、請求項1から5のいずれか一項に記載の方法。
- 前記イソシアネート反応性成分(a1)がポリテトラヒドロフランを含む、請求項1から6のいずれか一項に記載の方法。
- 前記イソシアネート反応性成分(a1)が、アルキレンオキシドが少なくとも70質量%のプロピレンオキシドを含む、出発分子のアルコキシル化によって得られるポリエーテルポリオールを含む、請求項1から7のいずれか一項に記載の方法。
- 前記イソシアネート反応性成分(a1)が、アジピン酸とブタンジオールとのエステル化によって得られるポリエステルオールを含む、請求項1から8のいずれか一項に記載の方法。
- 前記イソシアネート(a2)がモノマーの芳香族ジイソシアネートを含む、請求項1から9のいずれか一項に記載の方法。
- 工程(B)で使用される前記イソシアネートプレポリマーが、1質量%未満のモノマージイソシアネートを含む、請求項1から10のいずれか一項に記載の方法。
- 請求項1から11のいずれか一項に記載の方法により得ることができるポリウレタンエラストマー。
- 請求項12に記載のポリウレタンエラストマーの、ローラーの部品又はシーラントとしての使用方法。
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