CLEANING LIQUID FOR INKJET RECORDING HEAD

To provide cleaning liquid for an inkjet recording head that can improve poor discharge of ink by peeling and dissolving a dry film of aqueous ink adhering to a nozzle surface of the recording head and becoming solidified and is excellent in long-term stability of a water repellent film formed on th...

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Bibliographic Details
Main Authors TAKAORI YASUKO, OZAWA NORIAKI
Format Patent
LanguageEnglish
Japanese
Published 14.03.2019
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Summary:To provide cleaning liquid for an inkjet recording head that can improve poor discharge of ink by peeling and dissolving a dry film of aqueous ink adhering to a nozzle surface of the recording head and becoming solidified and is excellent in long-term stability of a water repellent film formed on the nozzle surface.SOLUTION: The cleaning liquid for an inkjet recording head, which is supplied onto a nozzle surface of the recording head of an inkjet recording device that discharges aqueous ink to clean the nozzle surface, contains ampholytic surfactant having a betaine structure, 1,3-bis(2-hydroxyethyl)-5,5-dimethyl-2,4-imidazolidine dione as a deliquescence addition agent, a basic compound, at least one kind of polyhydric alcohol and water.SELECTED DRAWING: None 【課題】記録ヘッドのノズル面に付着して固化した水性インクの乾燥皮膜を剥離、溶解してインクの吐出不良を改善するとともに、ノズル面に形成される撥水膜の長期安定性にも優れたインクジェット記録ヘッド用クリーニング液を提供する。【解決手段】水性インクを吐出するインクジェット記録装置の記録ヘッドのノズル面に供給され、ノズル面をクリーニングするインクジェット記録ヘッド用クリーニング液であって、ベタイン構造を有する両性界面活性剤と、潮解性付与剤として1,3−ビス(2−ヒドロキシエチル)−5,5−ジメチル−2,4−イミダゾリジンジオンと、塩基性化合物と、1種以上の多価アルコールと、水とを含有する。【選択図】なし
Bibliography:Application Number: JP20170163378