JP2020041125A - シラン官能性ポリウレタン架橋剤のスズフリー触媒反応 - Google Patents
シラン官能性ポリウレタン架橋剤のスズフリー触媒反応 Download PDFInfo
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- JP2020041125A JP2020041125A JP2019097396A JP2019097396A JP2020041125A JP 2020041125 A JP2020041125 A JP 2020041125A JP 2019097396 A JP2019097396 A JP 2019097396A JP 2019097396 A JP2019097396 A JP 2019097396A JP 2020041125 A JP2020041125 A JP 2020041125A
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- Prior art keywords
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- aminosilane
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- group
- coating
- Prior art date
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- 239000000654 additive Substances 0.000 claims description 13
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- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 12
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- 239000004416 thermosoftening plastic Substances 0.000 description 1
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- KEIBTGABMNALIT-UHFFFAOYSA-N triethoxy(2-isocyanatoethyl)silane Chemical compound CCO[Si](OCC)(OCC)CCN=C=O KEIBTGABMNALIT-UHFFFAOYSA-N 0.000 description 1
- ASUUSZXVXTVKDD-UHFFFAOYSA-N triethoxy(4-isocyanatobutyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCCN=C=O ASUUSZXVXTVKDD-UHFFFAOYSA-N 0.000 description 1
- BOTMPGMIDPRZGP-UHFFFAOYSA-N triethoxy(isocyanatomethyl)silane Chemical compound CCO[Si](OCC)(OCC)CN=C=O BOTMPGMIDPRZGP-UHFFFAOYSA-N 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- 150000004684 trihydrates Chemical class 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
そのうえ、上記文献に開示されたコーティング組成物では、メタノールを放出する短鎖アルコキシ基の存在によって、急速な架橋速度を保証することができるにすぎない。
OCN−(アルキル)−Si(アルコキシ)3 (I)
で示される化合物であり、ここで、前記の式(I)中のアルキルは、炭素原子1〜4個を有する線状又は分岐状のアルキル基に相当し、かつ前記の式(I)中のアルコキシは、同時に又は互いに独立してメトキシ基、エトキシ基、プロポキシ基又はブトキシ基に相当し、ここで、式(I)の化合物中の3個のアルコキシ基は、それぞれ同じか又は互いに異なっていてよい。
個々の物質を、配合表に応じて、連続してガラスびん中へ入れ、均質で十分に混合された溶液が形成されるまで撹拌する。使用されるアルキルアンモニウムハライドTMAF及びTBAFを、該組成物への添加前に、10%エタノール中に溶解させた(例2/組成物Nを除く)。全てのコーティング組成物に、レベリング剤(Tego Glide 410 /n−ブチルアセテート中10%)を添加した。
コーティングバーを用いて、前記のとおりに製造された組成物を約120μmの未乾燥膜厚で、試験板(Chemetall Group / Gardobond 26S 60 OC)上へ塗布する。製造された組成物の概要は第1表に見ることができる。全ての量は質量パーセントで示されている。
(2) VESTANAT EP-E 95、3−イソシアナトプロピルトリエトキシシランと1,9−ノナンジオールとの付加物(3−イソシアナトプロピルトリエトキシシランと1,9−ノナンジオールとの比は2:1に相当)
(3) Dynasylan AMMO、Evonik Resource Efficiency GmbHの3−アミノプロピルトリメトキシシラン
(4) TIB Kat 218、ジブチルスズジラウレート、TIB Chemicals AG
(5) Tego Glide 410、ポリエーテルシロキサンコポリマー、Evonik Resource Efficiency GmbH
(6) Hordaphos MOB、リン酸ブチルエステル、Clariant
(7) Hordaphos MDB、リン酸ブチルエステル、Clariant
(8) Polycat DBU、ジアザビシクロウンデセン、Evonik Resource Efficiency GmbH
(9) テトラメチルグアニジン、Merck Millipore
(10) K-KAT XK-678、酸性リン酸アルキル、King Industries
(11) テトラメチルアンモニウムフルオリド、Sigma Aldrich
(12) テトラブチルアンモニウムフルオリド三水和物、Sigma Aldrich。
個々の物質を、配合表に応じて、連続してガラスびん中へ入れ、均質で十分に混合された溶液が形成されるまで撹拌する。そのNCO:OH比を、それぞれ1:1の比に調節した。その配合物の粘度は、23℃でのDIN 4カップにおける流下時間として測定して、約20秒である。使用されるアルキルアンモニウムハライドTMAF及びTBAFを、該組成物への添加前に、エタノール中に溶解させた(TMAF及びTBAFの10%溶液)。全てのコーティング組成物に、レベリング剤(Tego Glide 410/n−ブチルアセテート中10%)を添加した。
前記のように製造された組成物を、コーティングバーを用いて、約120μmの未乾燥膜厚で、試験板(Chemetall Group / Gardobond 26S 60 OC)上へ塗布する。製造された組成物の概要は、第3表に見ることができる。全ての記載は質量パーセントで示されている。
(2) VESTANAT HT 2500 L、ヘキサメチレン−1,6−ジイソシアネート、ホモポリマー(イソシアヌレート型)、n−ブチルアセテート/ソルベントナフサ(1:1)中90%、Evonik Resource Efficiency GmbH
(3) VESTANAT EP-M 60、3−イソシアナトプロピルトリメトキシシランと1,6−ヘキサンジオールとの付加物(3−イソシアナトプロピルトリメトキシシランと1,6−ヘキサンジオールとの比は2:1に相当)
(4) Tego Glide 410、ポリエーテルシロキサンコポリマー、Evonik Resource Efficiency GmbH
(5) o−キシレン/n−ブチルアセテート(1:1混合物)、Merck Millipore
(6) Dynasylan AMMO、3−アミノプロピルトリメトキシシラン、Evonik Resource Efficiency GmbH
(7) TIP Kat 218、ジブチルスズジラウレート、TIB Chemicals AG
(8) Hordaphos MOB、リン酸ブチルエステル、Clariant
(9) Polycat DBU、ジアザビシクロウンデセン、Evonik Resource Efficiency GmbH
(10) テトラブチルアンモニウムフルオリド三水和物、Sigma Aldrich。
本発明による組成物は、有利な特性を維持しながら、室温で(例1)並びに高められた温度で(例2)、硬化することができる。
1. A)イソシアナトシランのヒドロキシ官能性化合物への付加物と、B)含窒素触媒、リンのオキソ酸の塩及びエステル及びアルキルアンモニウムハライドからなる群から選択されるスズフリー触媒とを少なくとも含む、アミノシランフリーの組成物であって、
前記ヒドロキシ官能性化合物が、モノアルコール又はポリオール、すなわちジオール、トリオール、テトラオール及び10〜500mgKOH/gのOH価及び250〜6000g/molの数平均モル質量を有するヒドロキシル基含有ポリマーから選択され、
前記ヒドロキシル基含有ポリマーが、ポリエステル、ポリエーテル、ポリアクリレート、ポリカーボネート、エポキシ樹脂、セルロース誘導体、FEVE(フルオロエチレンビニルエーテル)、アルキド及びポリウレタンからなる群から選択され、ここで、前記ポリウレタンは、ポリオール及びジイソシアネートモノマーからなり;かつ
それぞれ、前記組成物全体を基準として、成分A)の量が40〜99質量%であり、かつ成分B)の量が0.01〜3質量%である、前記アミノシランフリーの組成物。
2. 前記イソシアナトシランが、式(I)
OCN−(アルキル)−Si(アルコキシ)3 (I)
で示される化合物であり、ここで、前記の式(I)中のアルキルが、炭素原子1〜4個を有する線状又は分岐状のアルキル基に相当し、かつ前記の式(I)中のアルコキシが、それぞれ互いに独立して、メトキシ基、エトキシ基、プロポキシ基又はブトキシ基に相当し、ここで、式(I)の化合物中の3個のアルコキシ基が、それぞれ同じか又は互いに異なっていてよい、前記実施態様1に記載のアミノシランフリーの組成物。
3. 式(I)の化合物中のアルコキシが、それぞれ互いに独立して、メトキシ基及びエトキシ基から選択される、前記実施態様2に記載のアミノシランフリーの組成物。
4. 前記アルコキシ基は、3個全てのアルコキシ基が同じである場合に、メトキシ基ではない、前記実施態様3に記載のアミノシランフリーの組成物。
5. 前記ヒドロキシ官能性化合物のOH基と前記イソシアナトシランのNCO基との比が、0.8:1〜1.2:1である、前記実施態様1から4までのいずれか1つに記載のアミノシランフリーの組成物。
6. 前記スズフリー触媒B)が、アルキルアンモニウムハライド、殊にアルキルアンモニウムフルオリドである、前記実施態様1に記載のアミノシランフリーの組成物。
7. 前記スズフリー触媒B)が、テトラメチルアンモニウムフルオリド、テトラプロピルアンモニウムフルオリド、テトラエチルアンモニウムフルオリド、テトラブチルアンモニウムフルオリド又はそれらの混合物である、前記実施態様7に記載のアミノシランフリーの組成物。
8. 前記実施態様1から7までのいずれか1つに記載のアミノシランフリーの組成物を少なくとも含む、アミノシランフリーの1成分(1K)又は2成分(2K)コーティング組成物。
9. 少なくとも1種の助剤及び/又は少なくとも1種の添加剤及び/又は少なくとも1種の溶剤を含有する、前記実施態様8に記載のアミノシランフリーの1K又は2Kコーティング組成物。
10. 前記の少なくとも1種の助剤及び/又は少なくとも1種の添加剤が、安定剤、光安定剤、触媒、顔料、レベリング剤又はレオロジー助剤、例えばいわゆる“サグコントロール剤”、ミクロゲル、ヒュームドシリカ、無機又は有機の有色顔料及び/又は効果顔料又はそれらの2種以上の混合物からなる群から選択される、前記実施態様9に記載のアミノシランフリーの1K又は2Kコーティング組成物。
11. 木材、プラスチック、ガラス又は金属をコーティングするための、前記実施態様8から10までのいずれか1つに記載のアミノシランフリーの1K又は2Kコーティング組成物の使用。
12. 前記実施態様8から10までのいずれか1つに記載のアミノシランフリーの1K又は2Kコーティング組成物を含有する、コーティング。
Claims (12)
- A)イソシアナトシランのヒドロキシ官能性化合物への付加物と、B)含窒素触媒、リンのオキソ酸の塩及びエステル及びアルキルアンモニウムハライドからなる群から選択されるスズフリー触媒とを少なくとも含む、アミノシランフリーの組成物であって、
前記ヒドロキシ官能性化合物が、モノアルコール又はポリオール、すなわちジオール、トリオール、テトラオール及び10〜500mgKOH/gのOH価及び250〜6000g/molの数平均モル質量を有するヒドロキシル基含有ポリマーから選択され、
前記ヒドロキシル基含有ポリマーが、ポリエステル、ポリエーテル、ポリアクリレート、ポリカーボネート、エポキシ樹脂、セルロース誘導体、FEVE(フルオロエチレンビニルエーテル)、アルキド及びポリウレタンからなる群から選択され、ここで、前記ポリウレタンは、ポリオール及びジイソシアネートモノマーからなり;かつ
それぞれ、前記組成物全体を基準として、成分A)の量が40〜99質量%であり、かつ成分B)の量が0.01〜3質量%である、前記アミノシランフリーの組成物。 - 前記イソシアナトシランが、式(I)
OCN−(アルキル)−Si(アルコキシ)3 (I)
で示される化合物であり、ここで、前記の式(I)中のアルキルが、炭素原子1〜4個を有する線状又は分岐状のアルキル基に相当し、かつ前記の式(I)中のアルコキシが、それぞれ互いに独立して、メトキシ基、エトキシ基、プロポキシ基又はブトキシ基に相当し、ここで、式(I)の化合物中の3個のアルコキシ基が、それぞれ同じか又は互いに異なっていてよい、請求項1に記載のアミノシランフリーの組成物。 - 式(I)の化合物中のアルコキシが、それぞれ互いに独立して、メトキシ基及びエトキシ基から選択される、請求項2に記載のアミノシランフリーの組成物。
- 前記アルコキシ基は、3個全てのアルコキシ基が同じである場合に、メトキシ基ではない、請求項3に記載のアミノシランフリーの組成物。
- 前記ヒドロキシ官能性化合物のOH基と前記イソシアナトシランのNCO基との比が、0.8:1〜1.2:1である、請求項1から4までのいずれか1項に記載のアミノシランフリーの組成物。
- 前記スズフリー触媒B)が、アルキルアンモニウムハライド、殊にアルキルアンモニウムフルオリドである、請求項1に記載のアミノシランフリーの組成物。
- 前記スズフリー触媒B)が、テトラメチルアンモニウムフルオリド、テトラプロピルアンモニウムフルオリド、テトラエチルアンモニウムフルオリド、テトラブチルアンモニウムフルオリド又はそれらの混合物である、請求項6に記載のアミノシランフリーの組成物。
- 請求項1から7までのいずれか1項に記載のアミノシランフリーの組成物を少なくとも含む、アミノシランフリーの1成分(1K)又は2成分(2K)コーティング組成物。
- 少なくとも1種の助剤及び/又は少なくとも1種の添加剤及び/又は少なくとも1種の溶剤を含有する、請求項8に記載のアミノシランフリーの1K又は2Kコーティング組成物。
- 前記の少なくとも1種の助剤及び/又は少なくとも1種の添加剤が、安定剤、光安定剤、触媒、顔料、レベリング剤又はレオロジー助剤、例えばいわゆる“サグコントロール剤”、ミクロゲル、ヒュームドシリカ、無機又は有機の有色顔料及び/又は効果顔料又はそれらの2種以上の混合物からなる群から選択される、請求項9に記載のアミノシランフリーの1K又は2Kコーティング組成物。
- 木材、プラスチック、ガラス又は金属をコーティングするための、請求項8から10までのいずれか1項に記載のアミノシランフリーの1K又は2Kコーティング組成物の使用。
- 請求項8から10までのいずれか1項に記載のアミノシランフリーの1K又は2Kコーティング組成物を含有する、コーティング。
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JP7513378B2 (ja) | 2024-07-09 |
US11326017B2 (en) | 2022-05-10 |
EP3620479A1 (de) | 2020-03-11 |
PL3620479T3 (pl) | 2023-05-15 |
CN110885629A (zh) | 2020-03-17 |
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