JP2013224028A - インクジェットプリントヘッド前面のための熱安定性疎油性低接着性被膜のための改良されたプロセス - Google Patents
インクジェットプリントヘッド前面のための熱安定性疎油性低接着性被膜のための改良されたプロセス Download PDFInfo
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- JP2013224028A JP2013224028A JP2013084006A JP2013084006A JP2013224028A JP 2013224028 A JP2013224028 A JP 2013224028A JP 2013084006 A JP2013084006 A JP 2013084006A JP 2013084006 A JP2013084006 A JP 2013084006A JP 2013224028 A JP2013224028 A JP 2013224028A
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- Prior art keywords
- coating
- ink
- temperature
- low adhesion
- drop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- IVRMZWNICZWHMI-UHFFFAOYSA-N azide group Chemical group [N-]=[N+]=[N-] IVRMZWNICZWHMI-UHFFFAOYSA-N 0.000 description 1
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- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
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- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 1
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- 239000012780 transparent material Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
- B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/1433—Structure of nozzle plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
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- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- C08G18/00—Polymeric products of isocyanates or isothiocyanates
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- C08G18/40—High-molecular-weight compounds
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- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5003—Polyethers having heteroatoms other than oxygen having halogens
- C08G18/5015—Polyethers having heteroatoms other than oxygen having halogens having fluorine atoms
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
- C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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Abstract
【解決手段】インクジェットプリントヘッド前面のための被膜であって、この中で、該被膜は、最高300℃まで加熱した場合に約15%未満の重量損失によって示されるような高い熱安定性を有する疎油性低接着性被膜を含み、かつこの中で、1滴の紫外(UV)ゲルインクおよび1滴の固体インクは、該被膜の表面との約50°超の接触角度および約30°未満の滑走角度を呈し、この中で、該被膜は、少なくとも260℃の温度に少なくとも30分間曝露された後に該接触角度および滑走角度を維持する。
【選択図】図3
Description
23.4gのFluorolink−Dを、添加漏斗、温度プローブ、および凝縮装置(condenser)を装備した3つ首丸底フラスコに入れた。135mLのNovec7200、95mLの酢酸エチル、および0.211gのジブチルチンジラウラート触媒をこの3つ首丸底フラスコに添加し、この内容物を窒素雰囲気下で撹拌および緩徐な還流加熱(約71℃)をした。5.04gのDesmodur3790を185mLの酢酸エチルおよび63mLのNovec7200中に溶解することによって、第二の溶液を調製した。このイソシアナート溶液を次に、該丸底フラスコに接続した添加漏斗へ移し、Fluorolink溶液に71℃で2時間かけて滴下して添加した。結果として生じる混合物を次に、71℃で一晩撹拌した。次に、これを室温に冷却し、Millipore Opticap XLフィルター(孔サイズ0.2ミクロン)を使用して濾過して、産物溶液を得た。該産物溶液の固体濃度は約4〜5%であった。
実施例1の被膜6を拭き取り浄化工程に以下の通り供した。2インチ幅の発泡ブラシ(Lowes製)をNovec7200中に浸漬し、滑らかに絵を描くような一回の動作で塗装において被膜表面をブラシ掛けした。5分間空気乾燥しておいた。このことは結果的に被膜7を生じ、この特性を表2に与える。この被膜の表面は、視認できる油を示さず、良好な表面特性を呈する。しかしながら、このような浄化工程は、被膜製造のコストおよび複雑性を増大させる。
38.3gのFluorolink−E10Hを、添加漏斗、温度プローブ、および凝縮装置を装備した3つ首丸底フラスコに入れた。245mLのNovec7200、170mLの酢酸エチル、および0.333gのジブチルチンジラウラート触媒をこの3つ首丸底フラスコに添加し、この内容物を窒素雰囲気下で撹拌および緩徐な還流加熱(約71℃)をした。第二の溶液を、11.6gのDesmodur3790を445mLの酢酸エチルおよび145mLのNovec7200に溶解することによって調製した。次に、このイソシアナート溶液を、丸底フラスコに接続した添加漏斗に移し、Fluorolink溶液に71℃で2時間かけて滴下して添加した。結果として生じる反応体混合物を一晩撹拌した。室温に冷却した後、反応産物溶液を実施例1において説明した手順に従って濾過および蒸留し、約10%の固体濃度の被膜溶液を得た。実施例1において説明した被覆手順および加熱硬化手順を使用して、ポリイミド基質上にいくつかの被覆したフィルムを作製した。これらのフィルム、すなわち被膜8〜17の特性もまた、実施例1に提供した手順を使用して評価されており、これらの結果を表3に与える。
実施例3で得られた被膜溶液で押出成形ダイを使用してポリイミド基質を被覆した。被覆したフィルムを5分間空気乾燥させ、オーブンの代わりに赤外ヒーターランプを使用して硬化させた。このことは結果的に被膜18を生じ、表面特性データを表4に与える。
実施例3において合成した反応産物溶液を、Novec7200溶媒を添加することによって約3.5%固体濃度に希釈した。希釈した溶液を実施例1において説明した通り、約18%の固体濃度に蒸留した。この被膜溶液で、ドローバーコーターを使用してポリイミド基質上を被覆した。実施例1において説明した手順を使用して、被覆したフィルムを5分間空気乾燥させ、加熱硬化し、結果として被膜19を生じた。結果を表5に与える。
Claims (7)
- インクジェットプリントヘッド前面のための被膜であって、この中で、該被膜は、最高300℃まで加熱した場合に約15%未満の重量損失によって示される高熱安定性を有する疎油性低接着性被膜を含み、かつこの中で、1滴の紫外(UV)ゲルインクまたは1滴の固体インクは、該被膜の表面との約50°超の接触角度および約30°未満の滑走角度を呈し、この中で、該被膜は、少なくとも290℃の温度および少なくとも350psiの圧力に曝露された後で該接触角度および滑走角度を維持する、該被膜。
- 前記被膜は、前記疎油性低接着性被膜が前記温度に少なくとも30分間曝露された後に、1滴のUVゲルインクまたは1滴の固体インクについて前記疎油性低接着性被膜の表面との約50°超の接触角度を呈する、請求項1に記載の被膜。
- 前記被膜は、
約150℃の温度での30分間と2時間の間の範囲の時間の第一の硬化処理、および
約260℃の温度での約30分間の第二の硬化処理
に曝露された後、1滴のUVゲルインクまたは1滴の固体インクについての前記疎油性低接着性被膜の表面との約50°超の接触角度を呈する、請求項1に記載の被膜。 - 前記被膜は、溶融した固体インクまたはUVゲルインク中に約140℃の温度で2日間浸漬した後に、1滴のUVゲルインクまたは1滴の固体インクについて前記疎油性低接着性被膜の表面との約50°超の接触角度および約30°未満の滑走角度を呈する、請求項1に記載の被膜。
- 前記疎油性低接着性被膜は、
第一のイソシアナート化合物と
エチルオキシド(ethyloxide)スペーサーを有する、ヒドロキシルで官能化したペルフルオロポリオキシアルカン橋かけ材料
とを含む、請求項1に記載の被膜。 - インクジェットプリントヘッド前面のための疎油性低接着性被膜を形成するプロセスであって、
第一のイソシアナート化合物と、エチルオキシドスペーサーを有する、ヒドロキシルで官能化したフッ素橋かけ材料とを含む反応体混合物で基質を被覆し、この中で該反応体混合物は、少なくとも1つのフルオロアルキルエーテル溶媒と少なくとも1つの脂肪族エステル溶媒との混合物から被覆されること、
該被覆した反応体混合物を約150℃の温度で約30分間の時間の第一の硬化処理に供すること、および
その後、該被覆した反応体混合物を約260℃の温度で約30分間の時間の第二の硬化処理に供すること
を含む、該プロセス。 - 前記第一の硬化処理および前記第二の硬化処理は、室温から130〜150℃の間の範囲の温度へ、1分間あたり1〜10℃の間の加熱速度で加熱すること、およびその温度で30〜120分間保持すること、それに引き続いて、250〜300℃の間の範囲の温度へ、1分間あたり1〜10℃の間の加熱速度で加熱すること、およびその温度で30〜60分間保持することによって、単一の傾斜工程へと組み合わされる、請求項6に記載のプロセス。
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JP2012040876A (ja) * | 2010-08-20 | 2012-03-01 | Xerox Corp | インクジェットプリントヘッドの前面のための、熱に安定な撥油性低接着性コーティング |
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JP4424954B2 (ja) * | 2003-09-24 | 2010-03-03 | 富士フイルム株式会社 | インクジェット記録ヘッド及びインクジェット記録装置 |
US9073323B2 (en) * | 2009-11-24 | 2015-07-07 | Xerox Corporation | Process for thermally stable oleophobic low adhesion coating for inkjet printhead front face |
US8506051B2 (en) * | 2009-12-28 | 2013-08-13 | Xerox Corporation | Process for preparing an ink jet print head front face having a textured superoleophobic surface |
US8534797B2 (en) * | 2009-12-28 | 2013-09-17 | Xerox Corporation | Superoleophobic and superhydrophobic devices and method for preparing same |
US8652318B2 (en) * | 2010-05-14 | 2014-02-18 | Xerox Corporation | Oleophobic surface coatings |
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US8646179B2 (en) * | 2010-08-20 | 2014-02-11 | Xerox Corporation | Method for applying nanocoatings with easy clean and self-clean capability on a printhead |
US8851630B2 (en) | 2010-12-15 | 2014-10-07 | Xerox Corporation | Low adhesion sol gel coatings with high thermal stability for easy clean, self cleaning printhead front face applications |
US20130093814A1 (en) * | 2011-10-17 | 2013-04-18 | Xerox Corporation | Self cleaning printhead |
US8969487B2 (en) * | 2012-07-25 | 2015-03-03 | Xerox Corporation | Thermally stable oleophobic low adhesion coating for inkjet printhead face |
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