JP2017536459A - 多液型ポリウレタン組成物、その物品、及び製造方法 - Google Patents
多液型ポリウレタン組成物、その物品、及び製造方法 Download PDFInfo
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- JP2017536459A JP2017536459A JP2017528518A JP2017528518A JP2017536459A JP 2017536459 A JP2017536459 A JP 2017536459A JP 2017528518 A JP2017528518 A JP 2017528518A JP 2017528518 A JP2017528518 A JP 2017528518A JP 2017536459 A JP2017536459 A JP 2017536459A
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- polyurethane
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- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- TUUQISRYLMFKOG-UHFFFAOYSA-N trihexyl 2-acetyloxypropane-1,2,3-tricarboxylate Chemical compound CCCCCCOC(=O)CC(C(=O)OCCCCCC)(OC(C)=O)CC(=O)OCCCCCC TUUQISRYLMFKOG-UHFFFAOYSA-N 0.000 description 1
- AMMPRZCMKXDUNE-UHFFFAOYSA-N trihexyl 2-hydroxypropane-1,2,3-tricarboxylate Chemical compound CCCCCCOC(=O)CC(O)(C(=O)OCCCCCC)CC(=O)OCCCCCC AMMPRZCMKXDUNE-UHFFFAOYSA-N 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- APVVRLGIFCYZHJ-UHFFFAOYSA-N trioctyl 2-hydroxypropane-1,2,3-tricarboxylate Chemical compound CCCCCCCCOC(=O)CC(O)(C(=O)OCCCCCCCC)CC(=O)OCCCCCCCC APVVRLGIFCYZHJ-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 description 1
- WTLBZVNBAKMVDP-UHFFFAOYSA-N tris(2-butoxyethyl) phosphate Chemical compound CCCCOCCOP(=O)(OCCOCCCC)OCCOCCCC WTLBZVNBAKMVDP-UHFFFAOYSA-N 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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Abstract
Description
減された変色、並びに混合及び注型をし易くするための低粘度も望まれる。
ンは、ヒマシ油系ポリウレタン及びポリブタジエンポリオール系ポリウレタンの両方よりも高い熱変形温度を示す。有利には、ポリエーテルテトロール系ポリウレタン組成物は、ほとんどの多液型ポリウレタン組成物で使用されている金属触媒を含まない。中空糸ろ過産業では、金属で触媒された多液型ポリウレタン組成物の使用を削減又は排除することが求められている。更に、ポリエーテルテトロール系ポリウレタン組成物は低下したピーク発熱温度を有する。熱劣化温度、引張強度、ショア硬度、柔軟性、又は耐薬品性は、ピーク発熱温度の低下により悪影響を受けない。ポリエーテルテトロール系ポリウレタン組成物は、低減された変色及び低い初期粘度も示し、また気泡も有さない。
Fから入手可能なPLURACOLTMPEP450、PEP550、及び355が挙げられる。
カルボキシレート、トリカルボキシレート、アゼレート、セバケート、マレエート、フマレート、サクシネート、フタレート、アジペート、トリメリテート、グルタレート、シトレート、ベンゾエート、ジベンゾエート、エポキシ化大豆油、大豆油のエステル、リン酸エステル、及びこれらの組み合わせなどの有機酸のエステルが挙げられる。
グリコールジベンゾエート、ジオクチルテレフタレート、エポキシ化植物油、アルキルスルホン酸フェニルエステル、N−エチルトルエンスルホンアミド(オルト及びパラ異性体)、N−(2−ヒドロキシプロピル)ベンゼンスルホンアミド、N−(n−ブチル)ベンゼンスルホンアミド、アセチル化モノグリセリド、グリコールエステル、ポリエーテルエステル、ポリブテン及び他の高分子可塑剤、並びにこれらの組み合わせが挙げられる。
組成物中のイソシアネート官能基の当量対ヒドロキシル官能基の当量の比として定義される。ポリウレタンを作製するために使用される多液型ポリウレタン組成物は、「化学量論比」によって特徴付けることができ、これは次式に従って計算される。
の芳香族炭化水素;メタノール、エタノール、プロパノール、ブタノール、ペンタノール、グリコール、グリセロールなどの低沸点の一価、二価、及び三価のアルコール並びにこれらのエーテル;並びにジアルキル又は環状のエーテルなどの低沸点エーテル;並びにこれらの組み合わせなどの溶媒は全て組成物中に存在しない。いくつかの実施形態では、初留点が300℃以下、特に200℃以下、更には30〜200℃の揮発性溶媒は多液型ポリウレタン組成物中に存在しない。いくつかの実施形態では、200℃以下の初留点を有する揮発性有機溶媒、ポリエステルポリオール、ヒマシ油、ヒマシ油誘導体、リシノール酸エステル、天然油由来の他のポリオール、脂肪由来の他のポリオール、ポリラクトン、ポリブタジエン及びポリイソブチレンポリオール、アミン官能基を有するポリオールは全て組成物中に存在しない。
の当量の比として定義される。いくつかの実施形態では、第1液は、88〜92重量%のポリウレタンプレポリマー組成物と、8〜12重量%の可塑剤とを含み、第2液は、80〜92重量%の、4のヒドロキシル官能価を有するプロポキシル化ペンタエリスリトールと、4〜9重量%の可塑剤とを含む。いくつかの実施形態では、プロポキシル化ペンタエリスリトールは組成物中の唯一のポリオールである。
直後の多液型ポリウレタン組成物の粘度のことをいう。いくつかの実施形態では、多液型ポリウレタン組成物の初期混合粘度は100、200、300、又は400〜1,500cP、特に500〜1,200cPである。
の比として定義される、多液型ポリウレタン組成物。
気した。脱気した混合物をモールド内に注ぎ、熱電対を試料の中央に置いた。これが最大値に達し且つ減少し始めるまで温度を記録した。
一般的な手順を説明する。撹拌、減圧、加熱、及び冷却のための装備がされている反応容器内にポリウレタンプレポリマー組成物を入れた。SF8843と、またアジピン酸ジオクチルとを容器に添加した。その後、反応容器を少なくとも約27インチHgの真空度で密閉し、室温で1時間撹拌することで(A)液を形成した。(A)液の試料は、ASTM D2572−97(2010)に従ってNCO含量を決定するために分析した。20.30重量%の目的のNCO値が実施例1で得られた。
(B)液は、ポリエーテルポリオール、可塑剤、及び消泡剤を容器内で30分混合することによって調製した。その後、含水率が0.04%未満になるまで混合物から水を除去した。その後、乾燥剤、触媒(存在する場合)、及びUV吸収剤などの他の添加剤(存在する場合)を添加した。得られた混合物の(B)液は、40〜45分間、又は均一になるまで撹拌した。
実施例1、2、及び比較例1のポリウレタンは、対応する(A)液及び(B)液を、それぞれ200:104、200:100、及び61.7:100の重量比で混合してポリウレタン混合物を形成することによって作製した。ポリウレタン混合物は、25℃で24時間、次いで65℃で16時間硬化した。硬化ポリウレタンの試験結果は表3にまとめられている。
実施例1のポリウレタン組成物の性能を、ラボスケールでの中空糸の束の静置ポッティングにおいて、標準的なアミンで硬化したビスフェノールA型エポキシポッティング化合物(比較例2)の性能と比較した。中空糸のポッティングのために使用される場合、本発明のポリウレタン組成物は、代わりに「ポッティング接着剤」と呼ばれる場合がある。ポッティング接着剤としてのポリウレタン組成物のラボスケール評価で使用する工程の簡単な説明は次の通りである:
1.含水率が6重量%未満の乾燥繊維の束と、直径が1インチ及び2インチのスチール製容器とをポッティングのために選択した。繊維は、管板の断面積に対する繊維の総断面積として定義される繊維密度が直径2インチの表面積において均一に約50%(最少40%最大75%)となるように配置した。
2.中空糸の一端を瞬間接着剤を使用して封止し、その後、ポッティング接着剤が中空糸中に入るのを防ぐため及び繊維の底から内腔が詰まるのを防ぐため、スチール容器内に入れた。
3.中空糸が入ったスチール製容器内に容器の一番上までポッティング接着剤を注ぎ、硬化させた。硬化は室温(25℃)〜80℃の温度で行った。
4.硬化が完了した後、硬化したポッティング接着剤を表面上の発泡又はガスの発生について目視で検査した。ポッティングされた中空糸を変色及び脆化について目視で検査した。
5.目視検査後、ポッティングされた物品をスチール製容器から取り出し、内部の繊維及び硬化したポッティング接着剤の変色を評価するために切り離した。30×以上の倍率の顕微鏡を使用して内腔の閉塞を目視で検査した。
6.次の条件を満たした場合、ポッティングされた物品は許容範囲であると見なされた。A.硬化したポッティング接着剤の表面又は中に発泡又はガスの発生の痕跡が検出されなかった。
B.ポッティングされた中空糸に変色も脆化も検出されなかった。
C.硬化したポッティング接着剤の断面に変色が検出されなかった。
D.内腔の閉塞が検出されなかった。
下の考察から分かるように、実施例1は全てのこれらの基準を満たした。実施例1を、標準的なアミン硬化ビスフェノールA型エポキシ樹脂である比較例2と対照させて以下のとおりに試験した。
試料は、遠心製造を再現した即席の実験用遠心ポッティング装置を使用してポッティングした。実施例1はよく機能した。ポッティングされた繊維は収縮がなく、欠陥を有さなかった。比較例2はエポキシの著しい変色だけでなく、中空繊維の極度の褐色化及び変色を示した。比較例2は大きく収縮もした。実施例1のポリウレタン中にポッティングされた中空糸は図1に示されており、比較例2のエポキシ樹脂中にポッティングされた中空糸は図2に示されている。比較例2の中空糸の部分の変色が分かる。
中空糸を150gの試験材料中にポッティングし、60℃で24時間硬化した。典型的な使用時に遭遇する応力を、手で繊維を垂直に引っ張ることによりシミュレーションした。応力応答の主観的な評価は実験助手が行った。実施例1でポッティングされた中空糸は、比較例2でポッティングされた中空糸よりも大きい柔軟性を示した。実施例1でポッティングされた中空糸は、引っ張った際に折れなかった一方で、比較例2でポッティングされた繊維は引っ張った際に壊れる有意な傾向を示した。
硬化特性及びピーク発熱は、熱硬化性樹脂反応のゲル化時間及びピーク発熱温度のためのASTM D2471−99標準試験法に従って特性評価した。直径8インチ、高さ2.45インチのモールドを使用して実施例1と比較例2との発熱の比較を行った。樹脂質量はそれぞれ2,000gであった。同じ条件で試験した際、実施例1は65℃のピーク発熱を示した一方で、比較例2は97℃のピーク発熱を示した。
次の曝露条件下での実施例1及び比較例2の耐薬品性を評価した:
60℃(114°F)で2%の水酸化ナトリウム(NaOH)、
23℃(73°F)で5%の塩酸(HCl)、及び
23℃(73°F)で6%の次亜塩素酸ナトリウム(NaOCl)。
実施例4〜8では、可塑剤DOAの量をA液とB液との両方において変化させた。結果は表6にまとめられている。これらの実施例は、製品の耐薬品性及び熱的特性を損なうこ
となしに、A液とB液との両方において、様々な可塑剤量を採用できることを示している。そのため、A液及びB液の粘度は、それぞれの中の可塑剤の量を変化させることによって調節することができる。有利には、A液及びB液の粘度を調節する能力により、作業性の改善及び発熱の制御が可能になる。
Claims (20)
- 少なくとも第1液及び第2液を含む多液型ポリウレタン組成物であって、前記第1液が、ポリウレタンプレポリマー組成物であって、前記ポリウレタンプレポリマー組成物の総重量を基準として15〜24重量%のNCO含量を有するポリウレタンプレポリマー組成物を含み、及び
前記第2液が、4〜6のヒドロキシル官能価を有するポリオールと乾燥剤とを含み、
前記組成物が前記組成物の総重量を基準として1〜30重量%の可塑剤を含み、前記可塑剤が前記液のいずれか1つ以上の中に存在し、及び
前記組成物が1:1〜1.2:1の化学量論比を有し、化学量論比が前記組成物中のイソシアネート官能基の当量対ヒドロキシル官能基の当量の比として定義される、多液型ポリウレタン組成物。 - 前記4〜6のヒドロキシル官能価を有するポリオールが、20℃で1〜10,000センチポアズの粘度を有する液体である、請求項1に記載の多液型ポリウレタン組成物。
- 前記4〜6のヒドロキシル官能価を有するポリオールが、4のヒドロキシル官能価を有するポリエーテルポリオールである、請求項1又は2に記載の多液型ポリウレタン組成物。
- 4〜25重量%の前記可塑剤を含み、及び前記4〜6のヒドロキシル官能価を有するポリオールが前記組成物中の唯一のポリオールである、請求項1〜3のいずれか一項に記載の多液型ポリウレタン組成物。
- 200℃以下の初留点を有する揮発性有機溶媒、ポリエステルポリオール、ヒマシ油、ヒマシ油誘導体、リシノール酸エステル、天然油由来の他のポリオール、脂肪由来の他のポリオール、ポリラクトン、ポリブチレン及びポリイソブチレンポリオール、並びにアミン官能基を有するポリオールが全て前記組成物中に存在しない、請求項1〜4のいずれか一項に記載の多液型ポリウレタン組成物。
- 前記組成物にポリウレタン触媒が存在しない、請求項1〜5のいずれか一項に記載の多液型ポリウレタン組成物。
- 前記第2液の重量を基準として0.01〜0.5重量%のアミン触媒を更に含む、請求項1〜5のいずれか一項に記載の多液型ポリウレタン組成物。
- 前記ポリウレタンプレポリマー組成物が変性4,4’−ジフェニルメタンジイソシアネートを含む、請求項1〜7のいずれか一項に記載の多液型ポリウレタン組成物。
- 前記可塑剤がアジピン酸エステル、フタル酸エステル、リン酸エステル、又はこれらの組み合わせを含む、請求項1〜8のいずれか一項に記載の多液型ポリウレタン組成物。
- 前記乾燥剤が粒状モレキュラーシーブを含む、請求項1〜9のいずれか一項に記載の多液型ポリウレタン組成物。
- 消泡剤、フローレベリング剤、UV安定剤、酸化防止剤、離型剤、チキソ剤、分散剤、湿潤剤、顔料、染料、充填剤、又はこれらの組み合わせを含む添加剤を更に含む、請求項1〜10のいずれか一項に記載の多液型ポリウレタン組成物。
- 前記第1液が、前記ポリウレタンプレポリマー組成物の前記総重量を基準として、15
〜24重量%のNCO含量を有する変性4,4’−ジフェニルメタンジイソシアネートを含む70〜92重量%のポリウレタンプレポリマー組成物と、前記第1液の総重量を基準として8〜30重量%の、アジピン酸エステル、フタル酸エステル、リン酸エステル、又はこれらの組み合わせを含む可塑剤とを含み、及び
前記第2液が、前記第2液の総重量を基準として、60〜92重量%の、4〜6のヒドロキシル官能価を有するポリオールと、4〜30重量%の、アジピン酸エステル、フタル酸エステル、リン酸エステル、又はこれらの組み合わせを含む可塑剤と、0.5〜10重量%の粒状モレキュラーシーブとを含む、請求項1に記載の多液型ポリウレタン組成物。 - 前記第1液が、88〜92重量%の前記ポリウレタンプレポリマー組成物と、8〜12重量%の前記可塑剤とを含み、及び前記第2液が、80〜92重量%の、4のヒドロキシル官能価を有するプロポキシル化ペンタエリスリトールと、4〜9重量%の前記可塑剤とを含む、請求項12に記載の多液型ポリウレタン組成物。
- 前記第1液及び第2液のそれぞれ110:40〜90:60の体積比で、又は前記第1液及び第2液のそれぞれ90:110〜110:90の体積比で、請求項1に記載の第1液及び第2液を混合してポリウレタン混合物を形成し、且つ前記ポリウレタン混合物を硬化することによって製造されるポリウレタン。
- 請求項1〜13のいずれか一項に記載の多液型ポリウレタン組成物を混合及び硬化することによって製造されるポリウレタンを含む物品。
- 前記ポリウレタンが分離用装置における接着剤として機能する、請求項15に記載の物品。
- 膜又は中空糸を含むろ過モジュールを含み、前記ポリウレタンが前記膜又は中空糸と接触している、請求項16に記載の物品。
- 前記ポリウレタン中にポッティングされている中空糸を含む、請求項17に記載の物品。
- 第1液及び第2液を混合して混合ポリウレタン組成物を形成することであって、
前記第1液が、ポリウレタンプレポリマー組成物であって、前記ポリウレタンプレポリマー組成物の総重量を基準として15〜24重量%のNCO含量を有するポリウレタンプレポリマー組成物を含み、
前記第2液が、4〜6のヒドロキシル官能価を有するポリオールと乾燥剤とを含み、
前記組成物が前記混合ポリウレタン組成物の総重量を基準として1〜30重量%の可塑剤を含み、
前記4〜6のヒドロキシル官能価を有するポリオールが前記組成物中の唯一のポリオールであり、及び
前記組成物が1:1〜1.2:1の化学量論比を有し、化学量論比が前記組成物中のイソシアネート官能基の当量対ヒドロキシル官能基の当量の比として定義される、形成することと、
前記混合ポリウレタン組成物を硬化することと
を含む、ポリウレタンを形成する方法。 - 前記組成物が8〜25重量%の前記可塑剤を含む、請求項19に記載の方法。
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US9832902B2 (en) | 2013-05-31 | 2017-11-28 | Elantas Pdg, Inc. | Formulated resin compositions for flood coating electronic circuit assemblies |
US9808765B2 (en) | 2014-03-12 | 2017-11-07 | Elantas Pdg, Inc. | Polyurethane adhesives for reverse osmosis modules |
JP6711503B2 (ja) | 2015-04-09 | 2020-06-17 | エランタス ピー・ディー・ジー インコーポレイテッドElantas Pdg, Inc. | 逆浸透モジュール用ポリウレタン接着剤 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11878275B2 (en) | 2018-06-13 | 2024-01-23 | Fresenius Medical Care Deutschland Gmbh | Temperature-resistant potting material for hollow fiber membranes |
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CA2968849A1 (en) | 2016-06-02 |
EP3224293B1 (en) | 2018-10-17 |
CA2968849C (en) | 2023-02-28 |
CN107001572A (zh) | 2017-08-01 |
KR102403880B1 (ko) | 2022-05-31 |
WO2016085938A1 (en) | 2016-06-02 |
CN107001572B (zh) | 2020-07-28 |
KR20170087905A (ko) | 2017-07-31 |
US10590318B2 (en) | 2020-03-17 |
MX2017006936A (es) | 2017-08-10 |
US20160145476A1 (en) | 2016-05-26 |
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