JP2012082437A - フッ素ポリマー含有ゾルゲルコーティング - Google Patents
フッ素ポリマー含有ゾルゲルコーティング Download PDFInfo
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Abstract
【解決手段】フッ素ポリマー粒子を有するゾルゲルコーティング組成物が開示される。フッ素ポリマー粒子は、コーティングにおいて均一に分散され、例えば電気及び非電気の家庭的器具に適した、耐ひっかき性、非粘着、そして低摩擦のコーティングにつながる。
【選択図】図2
Description
−シリカゾルを約3のpH価に酸性化するステップと、
−ゾルゲル前駆体の全体量のうち、シリカ粒子を安定化するのに十分な一部を加えるステップと、
−混合物を加水分解して安定化するステップと、
−前記全体量のゾルゲル前駆体のうちの残りを加えるステップと、
−前記混合物を加水分解するステップと、
−フッ素ポリマー分散液を加えるステップと、
を有する方法を提供する。
図面の一部は、模式的であり、一定の比率で描かれていない。明確にするため、類似した成分は、同じ参照番号で示される。
反応容器中で、5.5gのマレイン酸が、380gのLudox AS40に溶解された。酸性化シリカゾルの測定されたpH価は、2.5〜2.9であった。次に0.95gのMTMSが加えられ、混合物は45分間撹拌された。続いて、391gのMTMSが、酸性化され表面修飾されたシリカゾルに入れられ撹拌された。60分後に、混合物は196gの水で希釈され、その後、適切な脱泡剤及びポリシロキサン−ポリオキシアルキレン共重合体(SILWET L77(登録商標))によって安定化された315gの30%ポリテトラフルオロエチレン(PTFE)の水分散液が徐々に追加された。PTFEの追加が完了された後、30gのマイカベース顔料が加えられた。
この例は、ポリテトラフルオロエチレン(PTFE)粒子に対するシリカ粒子の比が、最終コーティング中のPTFEの体積分率を増加するように調整されていること以外は、例1に相当する。
この例は、ポリテトラフルオロエチレン(PTFE)粒子に対するシリカ粒子の比が、最終コーティング中のPTFEの体積分率を低下するように調整されていること以外は、例1に相当する。
この例では、アルキルフェノールエトキシレート界面活性剤で安定化させられたポリテトラフルオロエチレン(PTFE)分散液が使用される。
100gのMTMS、50gのエタノール及び1.4gのマレイン酸の混合物に、100gのLudox AS40が、ゆっくりと加えられた。60分後に、ポリシロキサン−ポリオキシアルキレン共重合体によって安定化された75gの30%のポリテトラフルオロエチレン(PTFE)の水の懸濁液が、ゆっくりと加えられ、この後に、30gのマイカベースの顔料が加えられた。
Claims (21)
- フッ素ポリマー粒子を有するゾルゲル前駆体に基づくゾルゲルコーティングであって、当該コーティングの表面の水の接触角が少なくとも88°であるような疎水性を持つゾルゲルコーティング。
- 380℃で少なくとも1×108のPa・sの溶融粘性を持つポリテトラフルオロエチレン(PTFE)粒子を有するフッ素ポリマー粒子を有する、ゾルゲル前駆体に基づくゾルゲルコーティング。
- 400℃までの耐熱性を持つことを特徴とする、請求項1又は2に記載のゾルゲルコーティング。
- 200℃〜400℃までの耐熱性を持つことを特徴とする、請求項1又は2に記載のゾルゲルコーティング。
- 請求項1乃至4の何れか一項に記載のゾルゲルコーティングにおいて、当該コーティングの前記表面の水の前記接触角が少なくとも90°であることを特徴とするゾルゲルコーティング。
- 請求項1乃至4の何れか一項に記載のゾルゲルコーティングにおいて、当該コーティングの前記表面の水の前記接触角が少なくとも94°であることを特徴とするゾルゲルコーティング。
- 請求項1乃至4の何れか一項に記載のゾルゲルコーティングにおいて、前記フッ素ポリマー粒子はポリシロキサン−ポリオキシアルキレン共重合体によって安定化されることを特徴とするゾルゲルコーティング。
- 請求項1乃至4の何れか一項に記載のゾルゲルコーティングにおいて、フィラー粒子を有することを特徴とするゾルゲルコーティング。
- 請求項8に記載のゾルゲルコーティングにおいて、前記フィラー粒子は水性シリカゾルから生じるシリカ粒子を有することを特徴とするゾルゲルコーティング。
- 請求項1乃至7の何れか1項に記載のゾルゲルコーティングにおいて、フッ素ポリマー粒子の体積分率は50%未満であることを特徴とするゾルゲルコーティング。
- 請求項10に記載のゾルゲルコーティングにおいて、フッ素ポリマー粒子の体積分率は15〜30%であることを特徴とするゾルゲルコーティング。
- 請求項1乃至11の何れか1項に記載のゾルゲルコーティングにおいて、フルオロカーボン粒子は、ポリテトラフルオロエチレン粒子であることを特徴とするゾルゲルコーティング。
- 請求項1乃至4の何れか一項に記載のゾルゲルコーティングにおいて、オルガノシラン化合物を有する複合ゾルゲル前駆体に基づくことを特徴とするゾルゲルコーティング。
- 請求項1乃至4の何れか一項に記載のゾルゲルコーティングにおいて、前記ゾルゲル前駆体は、メチルトリエトキシシラン、メチルトリメトキシシラン、フェニルトリエトキシシラン、フェニルトリメトキシシラン、ジフェニルジエトキシシラン、ジフェニルジメトキシシラン、グリシドオキシプロピル−トリエトキシシラン、グリシドオキシプロピル−トリメトキシシラン、又はこの組合せを有することを特徴とするゾルゲルコーティング。
- 請求項1乃至14の何れか一項に記載のゾルゲルコーティングにおいて、金属基板に堆積されることを特徴とするゾルゲルコーティング。
- 請求項15に記載のゾルゲルコーティングにおいて、アルミニウム又はアルミニウム合金に堆積されることを特徴とするゾルゲルコーティング。
- 請求項1乃至16の何れか1項に記載のゾルゲルコーティングによってコーティングされた基板を有するコーティングされた物品。
- 請求項17に記載の物品において、家庭用器具を有することを特徴とする物品。
- 請求項17に記載の物品において、スチームアイロン、掃除機、扇風機及び家庭用空気処理装置、ヤカン及びコーヒーメーカー、ミキサー及びフードプロセッサ、トースター及びサンドイッチメーカー、アイスクリームメーカー、フライ鍋、グリル、電気料理セット及び中華鍋、炊飯器、ポット及びフライパン並びに調理器具を有する群に属することを特徴とする物品。
- ゾルゲル前駆体及びフッ素ポリマー粒子の安定化された水性分散液を有するゾルゲルコーティング組成物であって、安定剤は、ポリシロキサン−ポリオキシアルキレン共重合体である、ゾルゲルコーティング組成物。
- ゾルゲル前駆体及びフッ素ポリマー粒子の安定化された水性分散液を有するコーティング組成物に基づくゾルゲルコーティングでコーティングされた基板であって、安定剤は、ポリシロキサン−ポリオキシアルキレン共重合体である、基板。
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JP2011280785A Expired - Lifetime JP5676424B2 (ja) | 2003-02-28 | 2011-12-22 | フッ素ポリマー含有ゾルゲルコーティング |
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EP (1) | EP1599552B1 (ja) |
JP (2) | JP5398119B2 (ja) |
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WO2022050253A1 (ja) | 2020-09-03 | 2022-03-10 | Agc株式会社 | パウダー分散液および複合体の製造方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2022050253A1 (ja) | 2020-09-03 | 2022-03-10 | Agc株式会社 | パウダー分散液および複合体の製造方法 |
KR20230061353A (ko) | 2020-09-03 | 2023-05-08 | 에이지씨 가부시키가이샤 | 파우더 분산액 및 복합체의 제조 방법 |
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EP1599552B1 (en) | 2017-05-17 |
CN1753958A (zh) | 2006-03-29 |
WO2004076570A1 (en) | 2004-09-10 |
EP1599552A1 (en) | 2005-11-30 |
CN100349999C (zh) | 2007-11-21 |
JP2006519290A (ja) | 2006-08-24 |
US7635522B2 (en) | 2009-12-22 |
JP5676424B2 (ja) | 2015-02-25 |
JP5398119B2 (ja) | 2014-01-29 |
US20060251837A1 (en) | 2006-11-09 |
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