JP2020504217A - 軟質ポリウレタン発泡体および製造プロセス - Google Patents
軟質ポリウレタン発泡体および製造プロセス Download PDFInfo
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- C08G18/72—Polyisocyanates or polyisothiocyanates
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- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
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- 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
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- 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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Abstract
Description
Hm A−(CH2)n−N(R)−(CH2)p−AHm I
式中、nおよびpは独立して2〜6の整数であり、
各出現時のAは独立して酸素、窒素または水素であり、ただしAのうち1つのみが一度に水素であり得るという条件であり、
RはC1〜C3のアルキル基であり、
mはAが水素のとき0に等しく、Aが酸素のとき1であり、Aが窒素のとき2である。
「ポリオール−1」はスクロース/グリセリンによって開始され、ポリオキシエチレンにより末端保護されたポリオキシプロピレンポリオールであり、約1725の当量、約4.7の公称官能価、約15%のポリオキシエチレン末端保護、および約32のヒドロキシル価を有し、The Dow Chemical CompanyからSPECFLEX NC 632として入手可能である。
「ポリオール−2」は、グラフト化ポリエーテルポリオールであり、40重量%の共重合化スチレンおよびアクリロニトリル固形分ならびに22mgKOH/gのOH価を含有し、The Dow Chemical CompanyからSPECFLEX(商標)NC−701として入手可能である。
「ポリオール−3」は、アミンによって開始される自己触媒性ポリエーテルポリオールであり、約4の公称官能価および31.0〜40.0のヒドロキシル価を有し、The Dow Chemical CompanyからSPECFLEX ACTIV(商標)2306として入手可能である。
「ポリオール−4」はアミンによって開始され、ポリオキシエチレンにより末端保護された自己触媒性ポリオキシプロピレンポリオールであり、約1,700の当量、約4の公称官能価、約17.5%のポリオキシエチレン末端保護、および約33のヒドロキシル価を有し、The Dow Chemical CompanyからVORANOL(商標)VORACTIV(商標)VM」779として入手可能である。
「DEOA」は、Aldrichから入手可能なジエタノールアミン、架橋剤である。
「グリセリン」はVitusa Products Inc.から入手可能な架橋剤である。
「RZETA」は、Tosoh CorporationからRZETA(商標)として入手可能な1,4−ジアザビシクロ[2.2.2]オクタン−2−メタノールである。
「ZF−10」は、Huntsman CorporationからJEFFCAT ZF−10として入手可能なN,N,N’−トリメチル−N’−ヒドロキシエチル−ビスアミノエチルエーテルである。
「B 8736」は、Evonik Industries/Goldschmidt Chemical CorporationからTEGOSTAB B 8736として入手可能な有機シリコーン界面活性剤である。
「TDI」は、トルエンジイソシアネートであり、2の官能価と87のイソシアネート当量を有し、The Dow Chemical CompanyからVORANATE T−80 Type I TDIとして入手可能である。
25%および65%の「F」は、ISO 3386−1に従って決定されるCLD(圧縮荷重たわみ)である。
「SAG」は緩衝品質の指標であり、高い値は、ISO 3386−1に従って決定される「底づき」に対する抵抗性(=比率F65%/F25%)と関連する。
「ヒステリシス」は、ISO 3386−1に従って決定される。
「引張強度」および「伸び」は、ISO 71798に従って決定される。
「引裂強度」は、Renault D41 1048に従って決定される。
「CS」は、Renault D45 1046に従って70%まで圧縮された発泡体を用いて行う、乾式圧縮永久ひずみ試験である。
「WCS」は、Renault D41 1637に従って70%まで圧縮された発泡体を用いて行う、湿式圧縮永久ひずみ試験である。
Claims (6)
- 軟質ポリウレタン発泡体を形成するプロセスであって、前記軟質ポリウレタン発泡体は、
a)A側であって、
i)有機イソシアネートを含む、A側と、
b)B側であって、
i)5〜40重量%のコポリマーポリオール、
ii)30〜95重量%の、3以上の官能価を有するポリエーテルポリオール、
iii)1〜30重量%の自己触媒性ポリオール、
iv)0.1〜5重量%の架橋剤、
v)0.1〜5重量%の界面活性剤、
vi)0.01〜2重量%のヒドロキシアルキルトリエチレンジアミン触媒および/またはヒドロキシトリエチレンジアミン触媒、
vii)0.01〜2重量%の第三級アミン触媒、
ならびに
viii)1〜5重量%の水、を含む、B側との反応生成物を含み、
前記B側の重量%は前記B側の総重量に基づき、
前記プロセスが、
A)前記A側および前記B側を、55℃以下で、20:100〜80:100の(A側):(B側)の重量比で混合することによって反応性ブレンドを形成するステップと、
B)得られた前記反応性ブレンドを、前記反応性ブレンドを硬化させるのに十分な条件に供して、ポリウレタン発泡体を形成するステップと、を含む、プロセス。 - 前記有機イソシアネートが、2,4−トルエンジイソシアネート、2,6−トルエンジイソシアネート、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;2,4’−ジフェニルメタンジイソシアネート、2,2’−ジフェニルメタンジイソシアネート、4,4’−ジフェニルメタンジイソシアネート、2,4’−ジフェニルメタンジイソシアネートと、2,2’−ジフェニルメタンジイソシアネートと、4,4’−ジフェニルメタンジイソシアネートとの混合物;またはそれらの混合物である、請求項1に記載のプロセス。
- 前記架橋剤iv)が0.1〜5重量%のジエタノールアミンおよび0.1〜5重量%のグリセリンを含む、請求項1に記載のプロセス。
- 前記ヒドロキシアルキルトリエチレンジアミン触媒b)vi)が1,4−ジアザビシクロ[2.2.2]オクタン−2−メタノールであり、前記第三級アミン触媒b)vii)がN,N,N′−トリメチル−N′−ヒドロキシエチル−ビスアミノエチルエーテルである、請求項1に記載のプロセス。
- b)vi):b)vii)の比が60:10〜10:10の範囲内である、請求項2に記載のプロセス。
- 前記軟質ポリウレタン発泡体が低エミッションの自動車座席用途に使用される、請求項1に記載のプロセス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201762449234P | 2017-01-23 | 2017-01-23 | |
US62/449,234 | 2017-01-23 | ||
PCT/US2018/012903 WO2018136258A1 (en) | 2017-01-23 | 2018-01-09 | Flexible polyurethane foam and process to make |
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US (1) | US20190375881A1 (ja) |
EP (1) | EP3571239B1 (ja) |
JP (1) | JP2020504217A (ja) |
KR (1) | KR102543009B1 (ja) |
CN (1) | CN110167986B (ja) |
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KR102270004B1 (ko) * | 2020-02-13 | 2021-06-29 | 서울시립대학교 산학협력단 | 연질 폴리우레탄 조성물, 쿠션재용 연질 폴리우레탄 폼 및 이를 포함하는 차량용 시트 |
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EP3707185A1 (en) | 2017-11-10 | 2020-09-16 | Dow Global Technologies LLC | Polyurethane foam system |
BR112020008298A2 (pt) * | 2017-11-10 | 2020-10-20 | Dow Global Technologies Llc | sistema de espuma de poliuretano |
CN113966355A (zh) | 2019-06-05 | 2022-01-21 | 巴斯夫欧洲公司 | 用于聚氨酯泡沫的反应性组合物及其在汽车零部件中的用途 |
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EP3571239A1 (en) | 2019-11-27 |
WO2018136258A1 (en) | 2018-07-26 |
US20190375881A1 (en) | 2019-12-12 |
KR20190104390A (ko) | 2019-09-09 |
EP3571239B1 (en) | 2022-06-01 |
CN110167986B (zh) | 2022-01-18 |
BR112019014047A2 (pt) | 2020-02-04 |
BR112019014047B1 (pt) | 2023-03-07 |
KR102543009B1 (ko) | 2023-06-14 |
CN110167986A (zh) | 2019-08-23 |
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